| 00:03.18 | *** join/#edev GPSFan (n=Ken@65.121.49.208) |
| 00:03.18 | *** mode/#edev [+o GPSFan] by ChanServ |
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| 00:54.49 | agaffney | ok, wtf |
| 00:55.12 | agaffney | for some reason, my nfsroot system is now getting "memory exhausted" on boot |
| 00:55.29 | agaffney | <PROTECTED> |
| 00:55.33 | agaffney | Mem: 60 7 52 0 0 3 |
| 00:55.36 | agaffney | -/+ buffers/cache: 4 55 |
| 00:56.26 | ohsix | which phase in the boot process? |
| 00:56.56 | agaffney | after switching runlevels |
| 00:57.11 | ohsix | whats it trying to spawn at the new runlevel? |
| 00:57.23 | agaffney | it's dying at lots of stuff |
| 00:57.32 | agaffney | I rebooted it because I was getting "memory exhausted" |
| 00:57.41 | agaffney | and it failed to shutdown because it kept getting that |
| 00:57.42 | agaffney | wtf |
| 00:58.13 | ohsix | do you have any local storage for swap? i'd add something while i'm investigating |
| 00:58.23 | ohsix | then at least you can look in top and see if some stuff is getting paged out |
| 00:58.36 | agaffney | no, but I haven't yet, and I was compiling like a madman without troubles |
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| 01:36.07 | *** join/#edev mmmlinux (n=iddoukk@c-69-243-117-136.hsd1.md.comcast.net) |
| 01:37.05 | mmmlinux | has anyone in here ever played with a juicebox? |
| 01:37.31 | Chocobo | I bought one and took it apart. No hax0ring yet though |
| 01:37.37 | mmmlinux | hmm |
| 01:38.06 | mmmlinux | no linux then? |
| 01:38.26 | mmmlinux | (custom instalation) |
| 01:38.44 | Chocobo | Nope, not yet. Plus I bought the crappy model that only has 2MB of RAM. I guess that makes it a little more difficult |
| 01:39.13 | mmmlinux | o well. |
| 01:40.06 | mmmlinux | i got 2 at kb toys cuz they were $25 each with buy one get one half off. |
| 01:40.25 | agaffney | mmmlinux: http://elinux.org/wiki/JuiceBox |
| 01:41.17 | mmmlinux | thanks. i have seen that i wanted to see if any one had any advice. |
| 01:41.52 | agaffney | the people who do the hacking on it aren't active atm |
| 01:42.06 | agaffney | but they hang out in here |
| 01:42.25 | mmmlinux | ok |
| 01:42.57 | mmmlinux | thanks. |
| 01:45.56 | mmmlinux | where do you get an arm cross compiler? |
| 01:46.06 | mmmlinux | where do you get an arm cross compiler? |
| 01:46.11 | agaffney | you build one :P |
| 01:46.39 | mmmlinux | where can i get the source? |
| 01:46.50 | agaffney | ... |
| 01:47.02 | agaffney | if you're using gentoo, crossdev is nice |
| 01:47.10 | agaffney | otherwise, check out crosstool (http://kegel.com/crosstool/) |
| 01:47.13 | mmmlinux | debian |
| 01:47.23 | mmmlinux | ok thanks, i will. |
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| 03:00.52 | trjones | can anyone here point me to some crossdev documentation? |
| 03:01.15 | trjones | i can't seem to find anything |
| 03:04.32 | agaffney | crossdev --help :P |
| 03:04.37 | agaffney | it's pretty self explanatory |
| 03:05.04 | agaffney | I'll assume you're running gentoo since you're using crossdev |
| 03:05.15 | trjones | ya |
| 03:05.24 | agaffney | http://www.gentoo.org/doc/en/cross-compiling-distcc.xml |
| 03:05.32 | agaffney | that'll help if you want to throw distcc in the mix |
| 03:05.56 | trjones | well, what I'm really try to figure out is what the difference is between sys-devel/gcc-bfin and cross-bfin-uclinux/gcc-bfin |
| 03:06.37 | agaffney | crossdev just creates symlinks in your overlay |
| 03:06.40 | agaffney | it's the same package |
| 03:06.44 | agaffney | just in a different category |
| 03:06.59 | trjones | thats what I thought, but they show up different versions |
| 03:07.05 | Chocobo | Night all. |
| 03:07.14 | trjones | the one in my overlay is newer |
| 03:08.51 | agaffney | trjones: if you're really curious, you can email vapier@gentoo.org |
| 03:08.55 | agaffney | trjones: he wrote crossdev |
| 03:09.14 | agaffney | he may or may not give you a useful answer |
| 03:09.16 | trjones | ya, I figured I would try here first before I bugged him |
| 03:09.22 | agaffney | and there's a good chance he may insult your mother |
| 03:09.26 | trjones | hah |
| 03:09.30 | agaffney | (he does that) |
| 03:09.38 | agaffney | vapier is a bit...off :P |
| 03:09.48 | agaffney | trjones: you may also ask in #gentoo |
| 03:10.01 | trjones | ya, I'll give that a shot |
| 03:10.03 | trjones | thanks |
| 03:11.36 | r2d2 | hmmfeh, need a gender bender for the walnut's serial port |
| 03:50.24 | jbevren | joe_bleau: did you catch the pixter mm images? |
| 03:51.49 | joe_bleau | I think so...the pic that looked like ad work from the FP web site? |
| 03:51.58 | joe_bleau | Or is there a board pic up? |
| 03:52.17 | jbevren | http://jbevren.net/pixter/ |
| 03:52.20 | jbevren | I havent wiki'd em |
| 03:52.26 | jbevren | I figure someone might want to crop and post |
| 03:52.54 | joe_bleau | Can't right now, I'm knee deep in a very quick turn LPC2106 respin |
| 03:53.17 | jbevren | np |
| 03:53.23 | jbevren | just thought I'd give you a link |
| 03:53.41 | joe_bleau | 11.2896? Doesn't that work out well for digital audio? |
| 03:54.10 | jbevren | it's also the recommended clock for serial boot |
| 03:54.58 | joe_bleau | Put a console on the serial port yet? |
| 03:59.09 | jbevren | I dont have any level shifters yet :( |
| 03:59.27 | jbevren | I'm getting some stuff tomorrow to fix a computer from digikey, so I'll get a max233 or three :) |
| 03:59.36 | joe_bleau | 3233? |
| 03:59.48 | jbevren | whatver the 3v one is :) yeah |
| 04:00.10 | jbevren | hm where's the ball layout at? |
| 04:01.57 | joe_bleau | Some of it is in the validation scm |
| 04:02.26 | jbevren | http://www.sharpsma.com/part.php?PartID=175#product_info |
| 04:02.35 | jbevren | open access to the datasheet etc |
| 04:02.57 | joe_bleau | Chapter 8? |
| 04:03.27 | joe_bleau | I don't see the full datasheet at that link |
| 04:03.50 | jbevren | ah I see |
| 04:05.22 | joe_bleau | But the BGA pinout is in that prelim datasheet. |
| 04:05.34 | joe_bleau | So you need them both; prelim for the layout, and beta for the registers |
| 04:05.42 | joe_bleau | What a fscking mess |
| 04:07.29 | jbevren | aw sweet |
| 04:07.33 | jbevren | jtag's right there in front |
| 04:08.05 | joe_bleau | Whew |
| 04:08.10 | jbevren | one sec |
| 04:09.43 | jbevren | flood |
| 04:09.44 | jbevren | D2 nTRST JTAG Test Reset Input |
| 04:09.44 | jbevren | P4 TMS JTAG Tesst Mode Select Input |
| 04:09.44 | jbevren | T3 TCK JTAG Test Clock Input |
| 04:09.44 | jbevren | T1 TDI JTAG Test Serial Data Input |
| 04:09.44 | jbevren | P2 TDO JTAG Test Data Serial Input |
| 04:09.47 | jbevren | <PROTECTED> |
| 04:10.06 | jbevren | from page 7 |
| 04:10.28 | joe_bleau | TDI and TDO descriptions look, funny. |
| 04:10.38 | jbevren | hehe |
| 04:10.42 | jbevren | probably my tiredness |
| 04:10.48 | jbevren | I typed it from the doc |
| 04:11.23 | joe_bleau | PDF won't let you cut-n-paste? That *sucks* |
| 04:11.29 | jbevren | didnt try |
| 04:11.34 | jbevren | they often dont, but then I open it in xpdf |
| 04:11.35 | jbevren | which does :) |
| 04:11.40 | joe_bleau | I've been doing a lot of cut-n-paste to generate those register config files for the CPUs |
| 04:11.59 | joe_bleau | No way I'm typing a few hundred registers in by hand! |
| 04:14.33 | jbevren | I also typoed pretty badly |
| 04:14.35 | jbevren | xpdf laoded now heh |
| 04:15.13 | jbevren | D2 nTRST I JTAG Test Reset Input |
| 04:15.14 | jbevren | P4 TMS I JTAG Test Mode Select Input |
| 04:15.14 | jbevren | T3 TCK I JTAG Test Clock Input |
| 04:15.14 | jbevren | T1 TDI I JTAG Test Serial Data Input |
| 04:15.14 | jbevren | P3 TDO O JTAG Test Data Serial Output |
| 04:15.15 | jbevren | :D |
| 04:16.25 | jbevren | editing |
| 04:18.43 | jbevren | aww no way |
| 04:18.46 | jbevren | usb port is extended |
| 04:18.51 | jbevren | \o/ |
| 04:23.47 | jbevren | the three unlabeled pads are labeled on the underside |
| 04:24.59 | jbevren | there's a CS1 bridge too |
| 04:28.21 | jbevren | ok refresh |
| 04:28.59 | jbevren | it's ncie that the usb endpoint is extended hehe |
| 04:29.41 | jbevren | so I'm betting we can cut CS1 and add our own nand |
| 04:57.39 | jbevren | grumble |
| 04:57.42 | jbevren | impact cant find anything |
| 04:59.03 | joe_bleau | didya pull test1 and test 2 low? |
| 05:01.10 | jbevren | aha |
| 05:01.18 | jbevren | no, I had tms and tck reversed |
| 05:01.25 | jbevren | its now asking for my bsdl file |
| 05:01.28 | jbevren | :D |
| 05:02.51 | jbevren | whats the extension for bsdl files.. bsd? |
| 05:03.12 | ohsix | ibs |
| 05:03.24 | ohsix | /bsdl |
| 05:03.35 | jbevren | hm no ibs files in the sharp bsp |
| 05:03.51 | ohsix | its .bsdl, ibs are ibis files |
| 05:03.59 | jbevren | ok |
| 05:04.15 | joe_bleau | http://document.sharpsma.com/Handler/getfile_handler2.asp?nodeid=Documents&fileid=25D88ED7659146829EE008F5F5D9FD2 |
| 05:06.16 | jbevren | thanks |
| 05:06.56 | agaffney | what USB cards do people have working? |
| 05:07.10 | ohsix | everything i plugged in worked |
| 05:07.30 | ohsix | i got my 244s today i'm going to try and build the wiggler tommorow, mines bricked :D |
| 05:08.55 | jbevren | there's a known working hardware page? |
| 05:08.56 | jbevren | hehe |
| 05:09.06 | jbevren | joe_bleau: works nicely |
| 05:09.16 | jbevren | Impact is just a programmer, so I cant do much other than load teh bsdl file |
| 05:09.21 | jbevren | I need to find another app to twiddle |
| 05:09.26 | jbevren | However, jtagging seems to stop the cpu |
| 05:09.38 | jbevren | in fact, I think it turns it off heh |
| 05:09.43 | agaffney | jbevren: http://elinux.org/wiki/DHT-Walnut-Known-Working-Hardware |
| 05:09.48 | agaffney | I created it yesterday |
| 05:10.11 | ohsix | shouldn't everything that doesn't have onboard not-open-firmware x86 bios extensions, work? |
| 05:10.17 | joe_bleau | I think I have a non-compatible USB card |
| 05:10.44 | ohsix | which doesn't include video/raid controller cards |
| 05:13.50 | jbevren | ohsix: 'should' is a touchy word :) |
| 05:14.09 | jbevren | example: mgafb does not work properly on HPPA 64bit |
| 05:14.11 | jbevren | <PROTECTED> |
| 05:14.24 | jbevren | you have to have acceleration turned off |
| 05:14.38 | jbevren | however, it does work nicely on the walnut |
| 05:14.47 | ohsix | is it openfirmware? |
| 05:14.59 | jbevren | the walnut? |
| 05:15.03 | ohsix | hppa = pa/risc? |
| 05:15.06 | jbevren | yeah |
| 05:15.09 | ohsix | no, the mga card |
| 05:15.13 | jbevren | nope, PC bios |
| 05:15.29 | jbevren | the olnb |
| 05:15.40 | jbevren | er, the only OF compatible card I have is in a ppc mac running OS 8.0.1 |
| 05:16.46 | ohsix | well what i mean is, if the bios code on the device cant run on your platform to do x, then what are you going to do? :P |
| 05:17.12 | ohsix | xfree86 has an x86 emulator for running video bios code on no x86 platforms |
| 05:17.23 | ohsix | +n |
| 05:18.15 | jbevren | the mga fb driver is a full-core-init driver |
| 05:18.22 | jbevren | it can bring an unitialized card from the ground up |
| 05:18.33 | jbevren | that's the advantage of having the $5 matrox pci cards :) |
| 05:18.56 | ohsix | nice |
| 05:19.14 | jbevren | i8xemul in xfree86 is handy, but far from perfect |
| 05:19.20 | jbevren | it triggers a HPMC on hppa |
| 05:19.29 | jbevren | doesnt work on the walnut if you enable fbdev support in X |
| 05:20.55 | ohsix | but fbdev in the kernel works? |
| 05:21.03 | jbevren | yeah |
| 05:21.18 | ohsix | interesting |
| 05:21.20 | jbevren | if matrox acceleration is enabled, the graphics (text) gets fudged |
| 05:21.26 | jbevren | if you disable matrox acceleration, it runs fine |
| 05:21.31 | jbevren | (plain-fb mode) |
| 05:21.35 | jbevren | you can change modes with fbset etc |
| 05:21.46 | ohsix | right |
| 05:22.45 | jbevren | oh I'm reminded to note that there's only one device on the pixterMM's jtag chain |
| 05:23.30 | joe_bleau | How'd you get the jump on prpplague, anyway? |
| 05:23.39 | joe_bleau | I thought the pixter hacking was he bag |
| 05:23.49 | jbevren | he doesnt have one yet |
| 05:23.54 | jbevren | I can drive to target |
| 05:23.56 | joe_bleau | oops |
| 05:23.59 | jbevren | he lives on an island |
| 05:24.00 | jbevren | :) |
| 05:24.35 | joe_bleau | s/he/his/ |
| 05:26.37 | jbevren | grumble |
| 05:26.47 | jbevren | you cant set ocd commander to use a cable other than wiggler |
| 05:26.57 | joe_bleau | huh? |
| 05:27.04 | joe_bleau | I think it'll do raven, too |
| 05:27.08 | jbevren | ocd commander only supports wiggler |
| 05:27.16 | jbevren | I have a diligent (xilinx) cable |
| 05:27.39 | joe_bleau | mine supports wiggler, raven, mpdemon, and some USB connection |
| 05:28.00 | joe_bleau | Well, yeah. They give it away to support *their* hardware |
| 05:28.29 | jbevren | hehe |
| 05:29.10 | jbevren | konw of any more-configurable programs? |
| 05:29.31 | joe_bleau | Nope, but there's a ton of stuff out there for ARM |
| 05:29.36 | jbevren | nod |
| 05:35.47 | jbevren | I guess I'm stuck ordering wiggler parts ;-) |
| 05:35.51 | jbevren | its more widely supported |
| 05:36.04 | jbevren | either way |
| 05:36.12 | jbevren | I verified the presence of the jtag port :) |
| 05:36.19 | joe_bleau | Can you use the xilinx cable instead? |
| 05:36.24 | jbevren | how? |
| 05:36.27 | jbevren | its not supported |
| 05:36.28 | joe_bleau | Maybe it's just a matter of swapping pins around? |
| 05:36.32 | jbevren | ah |
| 05:36.36 | jbevren | I do have two.. |
| 05:36.41 | jbevren | I'll look when I'm more alert :) |
| 05:36.44 | joe_bleau | (don't have a scm for the xilinx cable handy) |
| 05:37.11 | jbevren | pretty simple |
| 05:37.16 | jbevren | decoupling and power aside |
| 05:37.19 | jbevren | (incoming) |
| 05:37.20 | jbevren | P4 TMS |
| 05:37.20 | jbevren | P2 TDI |
| 05:37.20 | jbevren | P3 TCK |
| 05:37.20 | jbevren | P13 TDO |
| 05:37.20 | jbevren | P18 TDO_!OE |
| 05:37.22 | jbevren | P9,P11,P12 Shorted together (cable detect) |
| 05:37.24 | jbevren | heh |
| 05:38.10 | joe_bleau | nope, not as easy as I'd hoped |
| 05:38.38 | joe_bleau | I've been considering the Chameleon |
| 05:39.17 | jbevren | what are the wiggler pins? |
| 05:39.32 | joe_bleau | http://hri.sourceforge.net/tools/ |
| 05:39.46 | joe_bleau | (I have not verified recently...) |
| 05:39.51 | jbevren | ah ok |
| 05:39.59 | jbevren | I found one on olimex |
| 05:40.03 | jbevren | for a wig-compat one |
| 05:40.17 | joe_bleau | I'm not sure the olimex is completely compatible |
| 05:40.19 | ohsix | i've got 390249323049 wiggler schematics if you want me to post em |
| 05:40.27 | jbevren | hehe |
| 05:40.35 | joe_bleau | I've had to power down the walnut to start ocdremote at anything other than speed 8 |
| 05:41.07 | joe_bleau | Maybe I've got something wrong in my 20-16 pin adapter |
| 05:42.07 | joe_bleau | instead of an on/off heartbeat LED blink on this design, |
| 05:42.20 | joe_bleau | I'm thinking about using a PWM output and ramping it up and down |
| 05:42.28 | joe_bleau | more of a 'pulsing' heartbeat |
| 05:42.32 | jbevren | hehe |
| 05:42.51 | joe_bleau | I'll stick the led there, and if I get time I can try it. |
| 05:48.51 | jbevren | :) |
| 05:50.42 | jbevren | alright, bedtime |
| 05:57.40 | ohsix | ebay grinds my gears |
| 05:57.41 | ohsix | http://cgi.ebay.com/ARM-uCLinux-uC-OS-Evaluation-Board-with-touch-panel-LCD_W0QQitemZ7591560103QQcategoryZ50915QQrdZ1QQcmdZViewItem |
| 05:57.45 | ohsix | dig the shipping costs |
| 05:58.56 | joe_bleau | standard ebay fee avoidance scam? |
| 06:00.26 | ohsix | they do that to get around fees? i figure they did it to defraud those snap bidders |
| 06:00.41 | ohsix | 'omg this is an awesome deal! *click* wtf 200$ shipping????????' |
| 06:01.02 | joe_bleau | doesn't ebay still charge a piece of the bid price, but nothing on shipping? |
| 06:01.36 | ohsix | sounds about right, but i haven't sold anything on ebay yet |
| 06:05.51 | *** part/#edev joe_bleau (n=joe_blea@ppp-69-154-118-239.dsl.fyvlar.swbell.net) |
| 06:20.47 | ohsix | http://cgi.ebay.com/Epson-Seiko-LCD-Graphics-Display-with-EL-Backlight_W0QQitemZ7591910332QQcategoryZ26206QQrdZ1QQcmdZViewItem they've got SOME winners |
| 06:26.30 | r2d2 | low bid price + high shipping gets around ebay fees and is very favourable for people shipping between countries -> lower duty fees |
| 06:28.03 | ohsix | why does EVERYONE do it then, huhu |
| 06:28.46 | ohsix | like, 5$ shipping on ONE led |
| 06:28.53 | ohsix | .01c for the 'item' |
| 06:29.24 | r2d2 | i stopped looking at shipping cost and just look at total cost; compare that to what you need to pay elsewhere |
| 06:29.30 | r2d2 | often it is more, and then I just don't buy |
| 06:30.05 | ohsix | i'm almost always looking for random stuff that you cant get any other place than ebay, thats why i'm on ebay :P |
| 06:31.07 | r2d2 | I've bought too much stuff I don't have time to play with |
| 06:32.45 | r2d2 | it'll be nice to have a job one day, and be able to punch out at 5 and then do whatever |
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| 13:24.23 | jbevren | yawn |
| 13:32.19 | *** mode/#edev [+o prpplague] by ChanServ |
| 13:43.28 | jbevren | prpplague: I verified the jtag port |
| 13:43.52 | prpplague | jbevren: oh yea ? |
| 13:43.54 | prpplague | jbevren: cool |
| 13:44.12 | jbevren | the only thing I can do is verify that the jtag chain has a single device |
| 13:44.22 | jbevren | there are no tools that support the xilinx adapter besides the ISE |
| 13:44.23 | jbevren | heh |
| 13:45.10 | prpplague | jbevren: bummer |
| 13:45.13 | prpplague | jbevren: nice work though |
| 13:45.18 | jbevren | oh |
| 13:45.29 | jbevren | if you want to crop and post, I have a couple board pictures at jbevren.net/pixter/ |
| 13:47.55 | prpplague | interesting |
| 13:48.01 | prpplague | i still wonder what the CoB's are |
| 13:48.16 | jbevren | the missing devices are the ROM and the power controller |
| 13:48.20 | jbevren | but that only covers two |
| 13:48.52 | prpplague | one of the CoB's is a power controller? |
| 13:49.00 | jbevren | well I'm not sure |
| 13:49.05 | jbevren | the DAC chip is probably not, |
| 13:49.11 | jbevren | and your pixter pages note a power controller IC |
| 13:50.15 | prpplague | yea |
| 13:51.03 | prpplague | the dac is an audio coverter |
| 13:51.18 | jbevren | is that package a 32-qfn package |
| 13:51.20 | jbevren | ? |
| 13:51.30 | jbevren | I dont konw the names of the newer packages :( |
| 13:51.31 | jbevren | heh |
| 13:52.16 | prpplague | jbevren: this is great, the usb is available |
| 13:52.21 | jbevren | yeah |
| 13:52.37 | jbevren | when I looked the grid locations up I was like oh yeah! heh |
| 13:52.39 | prpplague | and nCS0 |
| 13:52.44 | jbevren | nod |
| 13:52.49 | jbevren | nCS1 is on the back |
| 13:52.55 | jbevren | I guess that runs to the COB rom |
| 13:53.09 | jbevren | it runs across a pair of smt pads |
| 13:53.22 | jbevren | --|-|-- (or so :) |
| 13:53.32 | prpplague | yea |
| 13:53.42 | prpplague | i suspect it will be pretty easy to hack then |
| 13:53.51 | jbevren | in spite of the missing serial bootstrap ;-) |
| 13:54.02 | prpplague | the other lines we need to look for are the boot configuration lines |
| 13:54.13 | prpplague | jbevren: we don't need no stinking serial bootstrap |
| 13:54.22 | jbevren | those are probably in the resistor banks |
| 13:54.39 | jbevren | this week is rerun/olympics week, so I probalby wont be spending as much time at my sister's |
| 13:54.41 | jbevren | bonus ;-) |
| 13:54.48 | prpplague | hehe |
| 13:55.07 | prpplague | yea well, i need to locate a lh79524/25 users manual |
| 13:55.15 | prpplague | didn't joe_blue say he got one? |
| 13:55.23 | jbevren | I'm doing an order from digikey today too. I need some stuff (level shifters, wiggler parts, and my nephew blew two caps on his motherboard) :) |
| 13:55.46 | ohsix | build me a wiggler, i'm so lazy |
| 13:56.10 | ohsix | i need some perfboard :P |
| 13:56.50 | jbevren | prpplague: can you accept dcc? |
| 13:57.13 | prpplague | jbevren: should be able to |
| 13:57.26 | jbevren | four files |
| 13:57.27 | prpplague | ohsix: its so cheap to buy a good wiggler |
| 13:57.33 | agaffney | JoseJX: I was able to build perl without a problem when I started over from vapier's softfloat uclibc stage3 |
| 13:57.39 | ohsix | ya i know :P |
| 13:57.48 | ohsix | but everyone wants to send me the parts for free! |
| 13:57.52 | jbevren | joe found the files |
| 13:58.02 | jbevren | most are somewhat hidden on sharp's site |
| 14:01.10 | jbevren | prpplague: two more files |
| 14:01.22 | jbevren | oh |
| 14:01.23 | jbevren | you got em |
| 14:01.25 | jbevren | nevermind :) |
| 14:01.29 | prpplague | jbevren: i can get the other two from the web page |
| 14:02.44 | jbevren | nod |
| 14:03.58 | prpplague | jbevren: GPIO port C 7:4 are what we are looking for on the boot up |
| 14:04.09 | prpplague | jbevren: need to see where those are on the pcb |
| 14:04.27 | jbevren | nod |
| 14:05.17 | prpplague | jbevren: wow it has a uart boot procedure |
| 14:05.31 | jbevren | yeah but the A0 core has bugs in the uart firmware |
| 14:05.39 | jbevren | (as posted by someone at sharp on the sharpmsa forum) |
| 14:05.55 | prpplague | jbevren: ahh not that i would use it |
| 14:06.04 | prpplague | jbevren: it also can boot from nand |
| 14:06.11 | prpplague | jbevren: lovely |
| 14:06.17 | prpplague | jbevren: this is just too nice |
| 14:06.34 | prpplague | jbevren: if you can identify the gpio port C that 7:4 that would be great |
| 14:06.45 | jbevren | yeah. I'm taking a wild guess at the CoB rom being a nand-compatible PPROM |
| 14:07.01 | prpplague | jbevren: i doubt that |
| 14:07.04 | jbevren | heh. my shots dont show the resistors too well |
| 14:07.12 | prpplague | jbevren: nand is too expensive for that small of storage |
| 14:07.15 | jbevren | ohh |
| 14:07.16 | jbevren | ok |
| 14:09.32 | jbevren | http://www.digikey.com/scripts/DkSearch/dksus.dll?Criteria?Ref=48401&Site=US&Cat=33030820 |
| 14:09.33 | jbevren | hmm |
| 14:09.46 | *** join/#edev GPSFan (n=Ken@65.121.49.208) |
| 14:09.46 | *** mode/#edev [+o GPSFan] by ChanServ |
| 14:10.03 | jbevren | same package |
| 14:10.05 | jbevren | similar chip ID |
| 14:10.09 | jbevren | re Ken |
| 14:11.59 | GPSFan | jbevren: morning.. |
| 14:12.17 | prpplague | jbevren: yea thats what i looked at earlier |
| 14:13.36 | prpplague | jbevren: the pixter color had an audio amp, and then a CoB for the basic audio sounds |
| 14:14.08 | jbevren | maybe it -is- a DAC26 |
| 14:14.29 | prpplague | jbevren: this looks totally hackable |
| 14:14.38 | prpplague | jbevren: the only thing i'd change is the amount of ram |
| 14:14.50 | prpplague | jbevren: apex bootloader already supports the 79524 |
| 14:15.02 | prpplague | jbevren: so putting it on the pixter-mm should be easy |
| 14:16.00 | jbevren | http://www.icshop.cn/pdf/audio/tlv320dac26.pdf |
| 14:16.09 | jbevren | prpplague: nice :) |
| 14:16.25 | jbevren | I'll have to build a cart with apex and a rs232 level shifter heh |
| 14:16.59 | ohsix | bootloaders need boot from audio device, so you can oldschool it on a tape deck |
| 14:17.23 | jbevren | home-made paper tape reader? |
| 14:18.00 | ohsix | booting linux off a commodore64 tape would be fun, you'd need like 80 of em and it'd take 2 years :P |
| 14:18.16 | prpplague | jbevren: i;ve done one of those |
| 14:18.33 | prpplague | ohsix: what are you talking about ? |
| 14:18.46 | jbevren | prpplague: how about a home made punch? :) |
| 14:18.53 | ohsix | audio bootloader :P |
| 14:19.12 | prpplague | jbevren: yea, thats what i ment, i used a adding machine role with 9-bits |
| 14:19.20 | prpplague | ohsix: for the pixter? |
| 14:19.21 | jbevren | hehe |
| 14:19.38 | prpplague | jbevren: 1 clock bit and the rest was data |
| 14:19.42 | jbevren | nod |
| 14:19.47 | ohsix | no.. not one thing in particular, but it'd be very geeky for redboot or uboot to support booting from an audio device |
| 14:20.06 | jbevren | ohsix: get a commodore 64 |
| 14:20.07 | jbevren | :) |
| 14:20.17 | prpplague | jbevren: or a DTV |
| 14:20.20 | ohsix | you could have it say 'press play on the recorder now' over lineout too :D |
| 14:20.24 | jbevren | thos dont have the tape port :) |
| 14:21.26 | prpplague | jbevren: hmm, i thought the tape reader was part of the audio sub system |
| 14:21.37 | jbevren | the c64 doesnt have audio input |
| 14:21.46 | jbevren | the datasette amplifies the tape signal to TTL levels |
| 14:21.56 | jbevren | it then feeds the data to the c64's nmi line |
| 14:22.22 | jbevren | a timing loop runs constantly, and the nmi routine checks pulse widths to determine bits |
| 14:22.24 | jbevren | (iirc) |
| 14:24.06 | prpplague | ahh interesting |
| 14:24.29 | prpplague | hmm, ok it looks that the micron sdram isn't compatible pad wise with the issi |
| 14:24.35 | jbevren | doh |
| 14:24.53 | jbevren | cant just stack issi's and patch the second CS line? :) |
| 14:25.06 | prpplague | no |
| 14:25.10 | jbevren | ok |
| 14:25.54 | prpplague | checking now for a match |
| 14:33.50 | prpplague | jbevren: there doesn't appear to be an easy cross ref with those sdram |
| 14:34.10 | jbevren | doh :( |
| 14:49.43 | prpplague | looks like all that digikey carries is micron |
| 14:50.15 | jbevren | :( |
| 14:50.16 | jbevren | mouser? |
| 14:50.58 | prpplague | checking now |
| 14:52.27 | prpplague | no sdram at all |
| 14:52.36 | jbevren | grumble |
| 14:52.47 | prpplague | shame |
| 14:52.59 | prpplague | its doable, just not as easy as it should be |
| 14:53.03 | jbevren | no cross-reference docs? |
| 14:53.14 | prpplague | none that i can find |
| 14:53.34 | prpplague | its basically compatible with the micron part, just the pinouts are different |
| 14:58.14 | jbevren | ah |
| 14:58.15 | jbevren | :( |
| 14:58.31 | jbevren | time to dead-bug it and run point-to-point wires hehe |
| 14:59.11 | prpplague | yea iirc fisher-price has a deal with issi for some of their other parts |
| 14:59.19 | prpplague | i bet thats why they used them over micron |
| 15:04.22 | *** join/#edev EvilDevil (n=evildevi@p54A6CA6E.dip.t-dialin.net) |
| 15:09.35 | prpplague | jbevren: ahh it looks that when moving from the 2MB chips to 4MB the pinout changes |
| 15:09.50 | prpplague | jbevren: does it look as though the pcb might have alternate pads? |
| 15:10.18 | jbevren | unless theyre under the IC's, no |
| 15:10.32 | jbevren | there's no sign of a bga pad set on the secondary side |
| 15:10.48 | prpplague | jbevren: ahh |
| 15:11.06 | prpplague | jbevren: well we'll have to go on the assumtion of 4mb ram right now |
| 15:11.16 | prpplague | jbevren: get linux booted then look at the issues |
| 15:12.01 | jbevren | nod |
| 15:12.12 | jbevren | or run a simple standalone ram scanner? |
| 15:12.45 | prpplague | ?? |
| 15:12.48 | prpplague | ram scanner? |
| 15:13.11 | jbevren | just a program that pokes at the whole memory space, say in 512k increments, looking for what seems to be ram? :) |
| 15:13.26 | jbevren | good way to crash it too ;-) |
| 15:13.54 | prpplague | jbevren: to what end? |
| 15:14.03 | jbevren | to determine the ram size? :) |
| 15:14.10 | jbevren | better to know than assume I guess |
| 15:14.21 | jbevren | it'd also find holes between the ram IC's if there are any |
| 15:14.30 | prpplague | oh we know the size, i just meant that we can't easily upgrade |
| 15:14.36 | jbevren | mmk |
| 15:14.38 | jbevren | nevermind then :) |
| 15:40.18 | jbevren | prpplague: what configuration do you think the device is using? |
| 15:40.23 | jbevren | (boot config) |
| 15:40.34 | jbevren | nor flash? |
| 15:41.00 | prpplague | jbevren: booting from nand |
| 15:41.09 | jbevren | ok |
| 15:41.15 | jbevren | I found a group of resistors on the secondary side |
| 15:41.17 | prpplague | oops |
| 15:41.18 | prpplague | i menat |
| 15:41.20 | prpplague | ment |
| 15:41.26 | prpplague | jbevren: booting from nor |
| 15:41.33 | prpplague | and then possible using nand |
| 15:41.38 | jbevren | so I want to compare them with possibilities in the table on pate 1-8 (pdf page 32) |
| 15:41.48 | prpplague | i'm guess that one of the CoB's is a nor and the other a nand |
| 15:42.12 | prpplague | jbevren: its definetly gonna boot from nor |
| 15:42.17 | jbevren | ok |
| 15:42.23 | prpplague | jbevren: i would not expect a commercial device to boot from nand |
| 15:42.48 | prpplague | as to wether it is gonna be x16 or x32 i'm not sure |
| 15:42.52 | prpplague | my guess is x16 |
| 15:47.52 | jbevren | found another pad |
| 15:48.22 | jbevren | M4: PB4/SSPRX/I2SRXD/UARTRX0/UARTIRRX0 |
| 15:51.28 | prpplague | lovely |
| 15:51.35 | jbevren | heh |
| 15:51.36 | prpplague | jbevren: sounds like you are doing a nice job |
| 15:51.42 | prpplague | now if mine would simply arrive |
| 15:51.45 | jbevren | hehe |
| 15:51.49 | jbevren | yeah,c aus eyou have tools I dont atm :) |
| 16:10.30 | jbevren | prpplague: any clue what a '1v8' pad would be? |
| 16:11.05 | prpplague | jbevren: 1.8 volts |
| 16:11.10 | jbevren | ohhh |
| 16:11.12 | prpplague | jbevren: who knows |
| 16:11.12 | jbevren | makes sense |
| 16:11.17 | jbevren | cause it has a 1.8v core |
| 16:11.22 | jbevren | and this pad is right under the chip |
| 16:13.47 | jbevren | oh, and I get vcc and gnd from the expansion slot for the jtag dongle |
| 16:14.06 | jbevren | how did you number the expansion port? |
| 16:14.08 | jbevren | 1 2 |
| 16:14.10 | jbevren | 3 4? |
| 16:15.24 | prpplague | 1-30 on one side, 31-60 on the other |
| 16:15.31 | jbevren | ok |
| 16:15.42 | jbevren | so the pin 1 marker on my slot is backwards |
| 16:15.44 | jbevren | it marks pin 60 |
| 16:16.04 | prpplague | hehe, its so funny reading these comments about radio shack |
| 16:16.10 | jbevren | using that reference, vcc and gnd are on 2 and 3 |
| 16:16.25 | prpplague | jbevren: not nessarily, the pixter color didn't have a marker so i just started somewhere |
| 16:16.50 | prpplague | jbevren: could be my original table is backwards due to that |
| 16:17.00 | jbevren | ohhh |
| 16:17.04 | jbevren | possibly |
| 16:18.17 | jbevren | the group of four resistors turns out to be 2 resistors and 2 caps heh |
| 16:24.29 | prpplague | bypass filter |
| 16:26.22 | jbevren | nod. Quite possibly part of the 1.8v decoupling |
| 16:32.05 | prpplague | hehe these posts about radioshack are hilarious |
| 16:32.23 | jbevren | radioshack the compaq/hp store? |
| 16:38.36 | prpplague | hehe |
| 16:38.41 | prpplague | no the cell phone store |
| 16:45.53 | agaffney | JoseJX: I just emerged python without a problem when before it was segfaulting |
| 17:55.58 | jbevren | have you guys had bad ram cause random reboots in linux? |
| 18:01.19 | prpplague | jbevren: yes |
| 18:01.32 | prpplague | jbevren: had a beoych of a time with bad ram in a dual opteron |
| 18:01.40 | jbevren | we have a system (dual xeon, 4x 1G dimm) thats resetting randomly |
| 18:01.45 | prpplague | jbevren: had to run that mem test app for like a day before i found it |
| 18:01.59 | jbevren | we've ruled out software |
| 18:02.01 | prpplague | jbevren: i'd download that floppy bootable ram test |
| 18:02.02 | jbevren | mostly |
| 18:02.06 | jbevren | heh |
| 18:02.12 | jbevren | and run it on a production server with 3500 domains |
| 18:02.16 | jbevren | lol |
| 18:02.26 | jbevren | oh |
| 18:02.27 | prpplague | oh |
| 18:02.29 | jbevren | only 1500 on this one |
| 18:02.31 | prpplague | well that won't work |
| 18:02.32 | jbevren | but anyway |
| 18:02.38 | jbevren | reinforcing the memory theory is good |
| 18:02.51 | jbevren | the system is in a new chassis; the only thing from the old one is disks and ram |
| 18:02.54 | prpplague | yea, definetly could be an issue |
| 18:03.18 | agaffney | I don't suppose there's a way to get the walnut to hold the time |
| 18:03.26 | prpplague | jbevren: the only other thing i found with some xeon boxes was some problems with the APIC options |
| 18:03.42 | jbevren | ah |
| 18:03.46 | jbevren | we're running the distribution kernel |
| 18:03.53 | jbevren | same kernel btw as around 50 other systems |
| 18:13.13 | jbevren | hm unless its the bios setup |
| 18:19.07 | *** mode/#edev [-b *!*@*.hsd1.pa.comcast.net] by agaffney |
| 18:19.35 | JoseJX | Thanks. :) |
| 18:19.40 | agaffney | prpplague: heh, you banned JoseJX with that one :P |
| 18:19.49 | agaffney | I assume it was for fishhead |
| 18:20.52 | *** part/#edev Kjetil_ (i=kjetil@81.166.7.161) |
| 18:21.21 | jbevren | serves him right for living in the same area :) |
| 18:21.22 | jbevren | j/k |
| 18:21.58 | JoseJX | Ouch |
| 18:22.11 | JoseJX | agaffney: It was, I just checked the logs. |
| 18:22.22 | JoseJX | I'm in Pittsburgh, PA |
| 18:22.36 | JoseJX | I don't know if it's the same for all of PA or if it's region. |
| 18:22.39 | jbevren | I used to be in scranton |
| 18:22.43 | JoseJX | regional :p |
| 18:22.45 | jbevren | they always gave me a buffny hostmask |
| 18:23.25 | prpplague | agaffney: ahh thanks didn't notice |
| 18:23.45 | prpplague | JoseJX: sorry about that |
| 18:23.50 | *** mode/#edev [+b f1shhead!*@*] by prpplague |
| 18:24.03 | JoseJX | prpplague: No worries |
| 18:38.37 | prpplague | jbevren: ping |
| 18:39.32 | jbevren | ping |
| 18:39.46 | prpplague | jbevren: the adapter cart for the old b/w cartridges |
| 18:40.04 | prpplague | jbevren: how does it look for possibly making a breakout cart out of it? |
| 18:40.22 | prpplague | lordy lordy |
| 18:40.24 | jbevren | not sure. The carts are glued together, and I havent cut that one open yet. |
| 18:40.34 | prpplague | i still want to do a nice port of uzix to arm |
| 18:40.40 | prpplague | jbevren: ahh |
| 18:40.50 | jbevren | I figured on making a breakout of sorts with the odd parents cart |
| 18:40.54 | prpplague | jbevren: well the best one i saw for doing a custom card was the camera |
| 18:41.01 | prpplague | jbevren: its screwed together |
| 18:41.10 | jbevren | ah |
| 18:41.11 | prpplague | jbevren: and has internal screw mounts for a pcb |
| 18:41.14 | jbevren | I didnt get the cam :) |
| 18:41.24 | jbevren | the odd parents cart had screw mounts for the pcb, but was glued shut |
| 18:41.28 | prpplague | i don't think it works with the pixter-mm |
| 18:42.28 | prpplague | i really would prefer using tiny-x on the pixter, but i think we will have to go with microwindows |
| 18:42.31 | prpplague | or a custom gui |
| 18:42.36 | prpplague | with that small of ram |
| 18:45.02 | jbevren | lol |
| 18:46.03 | prpplague | jbevren: i have a jtag app configured and working with the lh79524 |
| 18:46.17 | prpplague | jbevren: just waiting on my pixter to test it with |
| 18:46.40 | prpplague | jbevren: my "something isn't right" bump is itching |
| 18:47.11 | prpplague | jbevren: i'm wondering why fisher-price wrote their own OS from scratch |
| 18:47.19 | prpplague | jbevren: makes me think they might be using uclinux |
| 18:47.24 | jbevren | heh |
| 18:47.24 | prpplague | jbevren: or even linux in the unit |
| 18:47.26 | jbevren | time for a rom dump |
| 18:47.26 | jbevren | :) |
| 18:47.30 | prpplague | yea |
| 18:47.43 | jbevren | didnt mattel work on the pixter series? |
| 18:48.00 | prpplague | jbevren: mattel is the parent company for fisher-price |
| 18:48.06 | jbevren | ohhh |
| 18:48.11 | jbevren | light bulb comes on |
| 18:48.12 | jbevren | hehe |
| 18:53.46 | prpplague | jbevren: cosmo says we could get away with running microwindows with no problems |
| 18:53.58 | jbevren | nice :) |
| 18:56.38 | jbevren | the LCD signals are mux'ed with gpio |
| 18:56.48 | jbevren | so if I drop the lcd, I get a lot of gpio to play with :) |
| 18:57.13 | prpplague | jbevren: yea |
| 18:59.30 | jbevren | 64k external address bus |
| 18:59.37 | jbevren | seems kinda narrow |
| 19:00.54 | prpplague | jbevren: for what? |
| 19:01.00 | jbevren | for an arm. :) |
| 19:01.08 | jbevren | I'd expect more than 16 bits |
| 19:01.14 | prpplague | jbevren: 64k external address bus for what though? |
| 19:01.32 | jbevren | the external address bus on the lh79524 is 16 bits |
| 19:01.40 | prpplague | uh no |
| 19:01.52 | prpplague | jbevren: it has a full 32 bit |
| 19:02.05 | jbevren | where are the other 16? |
| 19:02.11 | jbevren | page 3 has the first 16 |
| 19:02.26 | jbevren | I figured since they were grouped by category, that ws the full list |
| 19:02.28 | jbevren | hrm |
| 19:04.37 | prpplague | jbevren: the 79525 is limited to a 16-bit data bus, but the 79524 can be a full 32-bit |
| 19:04.52 | prpplague | where are see this? |
| 19:05.12 | jbevren | the data shee, page 3 (of 57) |
| 19:05.19 | jbevren | not the user's guide btw |
| 19:05.26 | prpplague | oh |
| 19:05.28 | prpplague | one sec |
| 19:05.48 | jbevren | 8 data, 16 addr |
| 19:06.01 | jbevren | in table 1: LH79524 pin descriptions |
| 19:06.15 | prpplague | looking |
| 19:07.15 | *** join/#edev _AchiestDragon (n=dave@whipy.demon.co.uk) |
| 19:07.18 | jbevren | oh curious |
| 19:07.25 | jbevren | looks like its 4 lanes wide |
| 19:07.31 | jbevren | possibly one lane at a time |
| 19:07.42 | jbevren | each memory type has four byte mask bits |
| 19:07.59 | prpplague | hmm, this looks incorrect |
| 19:08.06 | prpplague | that looks to be for the 79525 |
| 19:08.49 | prpplague | jbevren: look at the top of page 5 |
| 19:10.20 | jbevren | ohh its mux'ed |
| 19:10.22 | jbevren | ok :) |
| 19:10.42 | jbevren | its still monday I guess :) |
| 19:12.06 | prpplague | i don't think there is much chance of using the onboard ethernet |
| 19:12.15 | prpplague | but adding the usb will be nice |
| 19:12.31 | prpplague | and with the size of the external cart slot we should be able to add several devices |
| 19:12.43 | prpplague | this is a much more worth board than the juicebox |
| 19:28.29 | prpplague | jbevren: i suspect that the pixter-mm is one of the very first devices based on the lh79524 |
| 19:29.21 | prpplague | jbevren: i'm betting that the sdram is on a 32-bit data bus, but the nor flash is on a 16-bit |
| 19:31.29 | jbevren | quite possibly |
| 19:31.44 | jbevren | a pair of 8bit wide flashes? |
| 19:31.57 | prpplague | jbevren: no, a single x16 nor |
| 19:32.04 | prpplague | jbevren: the nand is usually x8 |
| 19:33.00 | prpplague | jbevren: the CoB that has the PT stensil about it is probably the nor flash |
| 19:34.03 | prpplague | jbevren: its close to the address/data bus on the external slot |
| 19:34.10 | jbevren | nod |
| 19:34.47 | jbevren | looking at the secondary side hints at the lines from the CoB being shared with the slot |
| 19:38.35 | prpplague | jbevren: we could easily add some nor flash, a sd/mmc interface |
| 19:39.09 | prpplague | jbevren: rs-232, and if you add some address decoding, you could probably get 2 or 3 more peripherals added |
| 19:41.01 | prpplague | http://www.surpluscomputers.com/store/main.aspx?p=ItemDetail&item=ACC10692 |
| 19:41.08 | prpplague | use those and we can add a keyboard |
| 19:41.59 | jbevren | <PROTECTED> |
| 19:41.59 | jbevren | point those out to me once more and I'll have to call you a broken record ;-) |
| 19:42.02 | jbevren | I did get four at your advice btw :) |
| 19:42.09 | jbevren | I technically got 5, but one is for my palm hehe |
| 19:42.23 | prpplague | hehe |
| 19:42.25 | prpplague | i love them |
| 19:42.34 | jbevren | do they work uninitialized? |
| 19:42.38 | prpplague | just can't believe the cost |
| 19:42.39 | jbevren | i.e. you just plug the kbd in and go? |
| 19:42.44 | prpplague | jbevren: yep |
| 19:42.47 | jbevren | sweet |
| 19:42.50 | jbevren | I havent tried it yet heh |
| 19:43.07 | jbevren | so the palmos driver just redirects ascii on the serial port to the internal input routine |
| 19:43.15 | jbevren | wonder if that'd work with minicom and the cradle ;-) |
| 19:44.00 | prpplague | yea |
| 19:48.11 | jbevren | the driver's behavior (when you start it) seems to search for the cradle before starting |
| 19:48.12 | jbevren | shrug |
| 19:48.30 | prpplague | jbevren: thats possible |
| 19:48.37 | prpplague | jbevren: it might check several things |
| 19:48.47 | jbevren | although its just a little PIC |
| 19:48.53 | prpplague | jbevren: including sending so sort of anouncement |
| 19:48.56 | prpplague | jbevren: yea |
| 19:48.59 | jbevren | it cant be too complex :) |
| 19:49.23 | prpplague | nope |
| 19:49.32 | prpplague | jbevren: ok i looked the sdram over again |
| 19:49.46 | prpplague | jbevren: should be able to upgrade it with just a little bit of mods |
| 19:49.53 | prpplague | most of the address lines match |
| 19:50.19 | prpplague | and at less than 100mhz it should be ok |
| 19:52.23 | prpplague | jbevren: how much room is there above the sdram? |
| 19:53.25 | jbevren | vertically in reference to the pcb? |
| 19:54.12 | jbevren | between the pcb and the back of the pixter there's lots of room |
| 19:54.22 | jbevren | enough for a pencil's width I'd say |
| 19:54.46 | prpplague | jbevren: lovely |
| 19:54.56 | prpplague | jbevren: so we should have room to add a pcb there |
| 19:55.06 | jbevren | quite possibly |
| 19:55.12 | jbevren | depending on clearance for caps |
| 19:55.26 | jbevren | but just above sdram, its good |
| 19:55.31 | jbevren | capacitors are on th eother side ofthe board |
| 19:57.22 | prpplague | jbevren: could add a sodim socket |
| 19:58.07 | jbevren | I have a 128M pc133 sodim :) |
| 19:58.18 | jbevren | brb |
| 19:58.30 | prpplague | jbevren: you do???? |
| 19:58.36 | prpplague | jbevren: what chips are on it? |
| 19:58.38 | jbevren | came from a friend's laptop |
| 19:58.42 | jbevren | um |
| 19:58.44 | jbevren | I'll get it :) |
| 19:58.47 | jbevren | he upgraded to 256 |
| 19:58.55 | jbevren | I have a 256 in my subnotebook |
| 19:58.59 | jbevren | but it only supports 128s heh |
| 19:59.06 | jbevren | so I planned to put this 128 in the subnotebook |
| 19:59.10 | jbevren | <PROTECTED> |
| 19:59.11 | jbevren | ok brb |
| 19:59.18 | prpplague | ok |
| 20:02.29 | prpplague | jbevren: http://www.memoryx.net/xag32.html |
| 20:05.24 | jbevren | Hynix HY57V561620BT-H |
| 20:05.28 | jbevren | 4 pieces |
| 20:07.15 | jbevren | the sticker on the module says 128M sync 133mhz cl3 |
| 20:08.41 | prpplague | hehe yep that would work |
| 20:09.33 | jbevren | just glue the module in eh? hehe |
| 20:09.33 | prpplague | 70Mhz should be ok as far as noise |
| 20:09.39 | prpplague | or atleast i would expect |
| 20:09.44 | prpplague | jbevren: you could |
| 20:09.52 | jbevren | teehee |
| 20:09.53 | prpplague | jbevren: i probably would use a socket |
| 20:10.04 | jbevren | I'm ordering from digkey soon |
| 20:10.07 | jbevren | I could get an sodimm socket |
| 20:10.09 | jbevren | <PROTECTED> |
| 20:10.31 | jbevren | btw, anything you recommend while I'm ordering? |
| 20:10.40 | jbevren | must-have handy things |
| 20:11.17 | prpplague | some ttl buffers for 3.3 |
| 20:11.25 | jbevren | ah |
| 20:11.29 | jbevren | yeah I wnat to get a load of those |
| 20:11.30 | prpplague | makes it easy for rs-232 adapters |
| 20:11.32 | jbevren | 5v tolerant 3v chips |
| 20:12.09 | jbevren | sn74lvc245a or sn74lvc4245a for my c64 anyway heh |
| 20:12.53 | prpplague | jbevren: we really don't need a x64 sodimm, but it would be easy to use |
| 20:15.30 | jbevren | btw, you mentioned linux (vs uclinux) earlier. This IC has a mmu? |
| 20:15.50 | prpplague | yea |
| 20:15.52 | prpplague | its arm720t |
| 20:15.53 | jbevren | ah |
| 20:16.08 | jbevren | 720 = mcu? |
| 20:16.10 | jbevren | er mmu |
| 20:16.20 | jbevren | I dont know the arm series too well |
| 20:16.31 | jbevren | I just know the 920 has mmu, and the 940 only has a pu |
| 20:17.04 | prpplague | jbevren: i assume the sodimm you have is 144-pin right? |
| 20:17.25 | jbevren | front reads '1' on one end of the edge and '143' on the other |
| 20:17.30 | jbevren | must be :) |
| 20:17.47 | jbevren | I should get my subnotebook and memtest it |
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| 20:26.06 | prpplague | jbevren: it appears digikey carries the sdram module that i could use |
| 20:26.13 | prpplague | jbevren: $20.00 |
| 20:26.36 | jbevren | part number? |
| 20:26.39 | prpplague | jbevren: tiny-x would rock with that size of ram |
| 20:26.53 | prpplague | jbevren: MT4LSDT464HG |
| 20:27.39 | jbevren | 64M? |
| 20:27.49 | jbevren | ah 32 |
| 20:27.56 | jbevren | not in stock :P |
| 20:29.34 | jbevren | considering I run full X in 32M |
| 20:29.39 | jbevren | it would do well for tinyX indeed :) |
| 20:31.33 | prpplague | jbevren: yea the earlier post had the modules for just $9 |
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