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| 00:34.55 | monkey_ | hey landley |
| 00:36.47 | Mirell | 'lo monkey_ |
| 00:36.54 | Mirell | Why the underscore? |
| 00:37.02 | monkey_ | I didn't pick it. |
| 00:37.06 | monkey_ | monkey is my username on this computer |
| 00:37.21 | Mirell | Odd. |
| 00:37.36 | monkey_ | monkey is already in use so monkey_ it assigned to me |
| 00:38.30 | monkey_ | i have to finish my homework. |
| 00:38.54 | monkey_ | by looping through an array of options M N Fcco CCLKDIV MAMCR MAMTIM CCLK |
| 00:39.26 | monkey_ | and measuring performance |
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| 02:33.10 | landley | Hi monkey_. |
| 02:33.44 | landley | I go nap now... |
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| 02:51.55 | monkey_ | crap |
| 02:51.58 | monkey_ | hih la1nd |
| 02:53.28 | Mirell | Mmm? |
| 04:07.51 | monkey_ | hey |
| 04:11.40 | Mirell | 'lo |
| 04:12.04 | monkey_ | 'le |
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| 04:14.03 | m4t | anyone familiar with sigma designs smp86xx? |
| 04:16.12 | monkey_ | sorry I'm a newb |
| 04:17.13 | m4t | i got these rad brand new mips smp8634 ( i think) set top boxes cheap |
| 04:17.19 | m4t | but i bought a tv today to test them |
| 04:17.31 | m4t | and they output a loading type graphic |
| 04:17.55 | m4t | then it goes to a red X after it gets NX domain from iptvdiscovery.localdomain |
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| 04:18.11 | m4t | and iptv.discovery.microsoft.com |
| 04:18.11 | m4t | i get nothing off the serial port either |
| 04:18.27 | m4t | im about to place an order for a 14pin cable to jtag them i guess |
| 04:18.41 | m4t | theyve already got the header installed so im assuming there isn't a hidden jumper |
| 04:18.53 | m4t | appears that the resistors are in place as well, though some are on the other side of the board |
| 04:19.42 | m4t | i might setup a tftp server and a dns record so i can see what files the thing tries to get |
| 04:20.12 | m4t | the thing is, i'm pretty sure (especially since its ms crap) that the Xenv and/or ce bootloader is configured only to boot signed code |
| 04:20.32 | m4t | eg, a signature that has to be verified by a public key stored inside the cpu |
| 04:20.43 | m4t | read only, inaccessible, can't be dumped via any sane method etc. |
| 04:21.23 | m4t | it seems though that a very similar setup is being used in germany, and a few people have done quite a bit of work getting linux to run on them |
| 04:21.48 | m4t | i've got the linux sdk already, and in fact have already compiled the toolchain/kernel/video playing utilities |
| 04:22.08 | m4t | but the fact that its configured for win ce will make things much more difficult |
| 04:22.41 | m4t | im hoping this inquiry i've made to the now defunct company might produce a signed copy of Yamon |
| 04:24.43 | monkey_ | i wish i could help ya |
| 04:26.29 | m4t | yea, me too |
| 04:26.44 | monkey_ | do you know anything about openocd? |
| 04:27.51 | m4t | i looked through the supported jtag devices |
| 04:28.11 | m4t | never used it though. i probably will end up using it in the next week or so, on these set top boxes |
| 04:28.47 | monkey_ | ok |
| 04:30.25 | m4t | i haven't ended up needing to jtag anything yet |
| 04:30.44 | m4t | the u-boot flash on my dht-walnut succeeded, barely |
| 04:34.25 | monkey_ | i have to do stupid stuff for school and of course, linux isn't supported |
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| 07:30.46 | cizra | What's the maximum voltage that won't fry a +5-volt LM7805 voltage regulator, approximately? Will it digest 19V? What will happen, if I accidentally give it -19, not +19? What will happen, if I connect it backwards (confuse input and output)? What will happen if I don't connect the ground pin of the regulator? |
| 07:31.26 | cizra | How to tell if a given regulator is fried? (I did something wrong and it became pretty hot, but could still be held in hands) |
| 07:32.04 | cizra | (I'm an electronics n00b, just bought my first centipede yesterday) |
| 07:38.26 | bsdfox_ | cizra: does it regulate to +5v anymore? |
| 07:38.48 | bsdfox_ | 7805 are pretty tough but reverse polarity 19v will probably damage it |
| 07:39.20 | bsdfox_ | you won't be able to run much power through it either since 14v will be dropped in the reg |
| 07:39.57 | cizra | It never did, or else I didn't connect it properly. I stuck it into my laptop charger, so that one pin touched +19, other touched ground (the outside of the charger), then tried measuring the voltage between the third pin and the pin going inside the charger. |
| 07:40.35 | cizra | My multimeter told me there's 19 volts between the pins, which didn't match my expectations. |
| 07:40.37 | bsdfox_ | you should always look at the datasheet before you hook stuff up |
| 07:40.42 | cizra | I did |
| 07:40.50 | bsdfox_ | why'd you hook it up wrong then |
| 07:40.55 | cizra | Did I? |
| 07:41.15 | bsdfox_ | do you have the capacitors it asks for? 7805 won't oscillate anyway but you should have them |
| 07:41.30 | cizra | OK, I didn't have capacitors. I thought they're for stabilizing? |
| 07:42.36 | bsdfox_ | the center pin on your charger is probably positive |
| 07:42.41 | bsdfox_ | you know that right? |
| 07:43.52 | cizra | yes |
| 07:44.11 | bsdfox_ | http://tom-itx.dyndns.org:81/~webpage/how_to/atmega168/mega168_howto_main_index.php |
| 07:44.30 | bsdfox_ | this stuff might not be for you if you can't figure out a voltage regulator.. but give that website a shot |
| 07:44.32 | cizra | I stuck the input pin of the regulator into +19 volts, the center one touched 0.. sounds right to me. |
| 07:49.26 | cizra | Well, thanks for the tips. I'll try proper wiring once I get home. |
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| 09:14.20 | SandGorgon | which 3g SOC would u guys say can be used to build a USB modem with the lowest power consumption - typically I think Qualcomm MSM chipsets are used (e.g. Huawei E220) |
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| 18:23.35 | prpplague | dijenerate: you like dave thompson? |
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| 19:02.45 | chouimat | prpplague: hi |
| 19:03.43 | prpplague | chouimat: greetings |
| 19:04.11 | chouimat | stupid rain, and stupid cold ... |
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| 23:01.05 | prpplague | ho ho ho |
| 23:01.11 | prpplague | merry freakin thursday! |
| 23:01.25 | roxfan | http://picasaweb.google.com/cschlaeger/JapanLinuxSymposium#5395400000458161906 |
| 23:01.33 | prpplague | pokes CosmicPenguin in the eye with a sharp stick |
| 23:01.43 | CosmicPenguin | ow! |
| 23:01.45 | prpplague | looks |
| 23:01.53 | CosmicPenguin | What did I do to deserve that? |
| 23:02.00 | prpplague | roxfan HAHAHAHA |
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| 23:02.34 | prpplague | CosmicPenguin no reason , it was just for fun |
| 23:03.18 | prpplague | roxfan lordy that is a picture for the ages |
| 23:03.20 | roxfan | "Cool, more Windows-boxes in the background than Linux desktop users worldwide? :)" |
| 23:03.24 | roxfan | love this comment |
| 23:04.00 | CosmicPenguin | googletest is my new best friend |
| 23:04.04 | CosmicPenguin | just so you know... |
| 23:04.48 | prpplague | hehe |
| 23:04.56 | prpplague | CosmicPenguin whats cookin today? |
| 23:05.08 | CosmicPenguin | cschlaeger is (was?) an AMDer |
| 23:05.38 | prpplague | hmmm |
| 23:05.57 | CosmicPenguin | I did a reasonably neat hack today - yay GEM! |
| 23:08.34 | prpplague | CosmicPenguin hehe |
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