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| 13:43.19 | g1powermac | Hey prpplague |
| 15:18.44 | prpplague | g1powermac: greetings |
| 15:20.58 | g1powermac | how's it going? |
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| 15:24.01 | g1powermac | hey GPSFan |
| 15:24.10 | Mirell | Hmm. |
| 15:24.17 | Mirell | Have a phone interview for a position I feel vastly underqualified for. |
| 15:29.36 | MonMotha | Mirell: you're hired |
| 15:30.21 | GPSFan | g1powermac, wow a blast from the past, long time no see. how's things?? |
| 15:32.03 | g1powermac | hehe, yea, I'm doing well, you? |
| 15:32.50 | g1powermac | went through a stage in his life where he didn't want to do with anything technological outside of it just working as it was |
| 15:33.57 | prpplague | g1powermac: doing well |
| 15:34.25 | prpplague | g1powermac: iirc you were doing some work for zipit? |
| 15:34.41 | kergoth_ | Mirell: good luck with it, and try not to stress too much. heh |
| 15:35.16 | g1powermac | prpplague, I did an interview with them, but that was about it |
| 15:35.35 | g1powermac | it seems it was good they didn't hire me, they imploded not long after |
| 15:36.48 | GPSFan | prpplague, g'day |
| 15:37.07 | prpplague | GPSFan: greetings |
| 15:37.54 | GPSFan | g1powermac, going well, almost ski season, sheep are fat & happy, brewery is doing well and the move is 98% complets... |
| 15:39.12 | g1powermac | GPSFan, very cool, oh yea, I forgot you run a bit of a farm, don't you? |
| 15:39.42 | prpplague | heading to the office, bbiab |
| 15:39.59 | GPSFan | g1powermac, yeah, small flock of sheep, ~130 or so |
| 15:40.24 | g1powermac | nice |
| 15:40.42 | GPSFan | tasty too ;>) |
| 15:40.53 | g1powermac | I've been rapidly turning my acre and a quarter into a mini farm of sorts :-) |
| 15:41.39 | GPSFan | g1powermac, good to hear, I gotta run off for a bit too, cul.. |
| 15:41.56 | g1powermac | k |
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| 15:45.38 | Mirell | Heh |
| 15:45.46 | Mirell | Thanks, kergoth_, MonMotha |
| 15:46.02 | Mirell | It's the fact they stress a MSEE with 7 Years Hardware Development |
| 15:46.34 | MonMotha | Mirell: those are often (but not always) bogus requirements to weed down the applicant pool |
| 15:46.38 | Mirell | Although after rereading the responsibilities, that I feel qualified for. I think they're doing the usual, "Aim really, really high" |
| 15:46.41 | Mirell | Yah |
| 15:47.01 | MonMotha | I've seen people supposedly demanding 10 years experience and a Ph.D EE. They often settle on someone with a BS who's been out of school for a couple years. |
| 15:47.36 | Mirell | It's basically doing embedded Linux on blade and thin desktops for military/national security clients |
| 15:48.36 | Mirell | Which wasn't a target client I initially thought of for the "thin desktop". It might actually survive in that area. |
| 16:26.58 | Mirell | Too bad they didn't ask for Skyrim experience |
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| 16:44.19 | prpplague | CosmicPenguin: two of my credit cards were compromised |
| 16:46.10 | CosmicPenguin | weOuch |
| 16:47.48 | prpplague | CosmicPenguin: indeed |
| 16:47.54 | kergoth_ | damn |
| 16:48.23 | prpplague | $1500 of charges to newegg |
| 16:48.42 | prpplague | fortunately i was keeping an eye on it, so the bank was able to catch it |
| 16:49.40 | CosmicPenguin | ugh - and whats more you can't get any of the stuff from newegg |
| 16:49.48 | CosmicPenguin | one of my friends had a pretty big hit at lego.com |
| 16:49.58 | CosmicPenguin | the nerds are stealing our credit cards |
| 16:50.05 | CosmicPenguin | and spending it on stuff that we would spend it on |
| 16:50.08 | CosmicPenguin | the bastards.... |
| 16:50.28 | prpplague | hehe |
| 16:50.37 | kergoth_ | hehe |
| 16:52.22 | gandhijee | lol |
| 16:53.04 | gandhijee | hey you guys are smarter than me, anyone here know if microchip makes any parts that i could throw on to the LPC bus of a board that might have USB on it as well> |
| 16:53.26 | gandhijee | or any micro that would be in the same class as a microchip device |
| 17:05.07 | MonMotha | gandhijee: I don't know of any MCU parts with an LPC interface. I take it you're looking for some sort of DPRAM type interface? |
| 17:05.32 | gandhijee | nope actual LPC |
| 17:05.34 | MonMotha | i.e. the LPC bus can twiddle registers in some memory space, and the micro can read/modify them, too |
| 17:05.59 | gandhijee | so we have these boards with port 80 headers on them that supply post info |
| 17:06.18 | MonMotha | right |
| 17:06.37 | gandhijee | what i would like to do is interface to that LPC pin header with some sort of micro, grab the post codes and then have another machine on the side thats connected to the micro to log the information |
| 17:07.24 | MonMotha | right, so basically a small DPRAM that you can target to a specific port (i.e. 80) and allow the LPC bus to twiddle the data in that RAM and the MCU can read it |
| 17:07.37 | gandhijee | yeah |
| 17:07.53 | SpeedEvil | LPC is hopelessly fast to talk to with 'normal' micros. |
| 17:07.55 | MonMotha | I'd just use a CPLD to implement LPC and hook that up to an IO port on an MCU |
| 17:07.59 | gandhijee | i guess thats more detailed description of what i would like to do |
| 17:08.06 | MonMotha | yeah, you can't really bit-bang LPC |
| 17:08.33 | gandhijee | i see, so a CPLD that decodes and holds the info, then a micro to transmit it to the other side? |
| 17:08.33 | SpeedEvil | It's basically a 4 bit (?) wide 33MHz bus. |
| 17:08.43 | SpeedEvil | That is in software an ISA bus. |
| 17:08.44 | gandhijee | yeah something along those lines |
| 17:09.09 | SpeedEvil | you mean stock 'post codes' |
| 17:09.16 | SpeedEvil | Or you mean codes you emit on post? |
| 17:09.20 | MonMotha | gandhijee: yeah, that's what I'd do. The CPLD can implement all the LPC handshaking, provide a few registers for both sides to talk to, and let the MCU talk to it on its own time |
| 17:09.23 | SpeedEvil | That may not be the stock bos port? |
| 17:09.29 | SpeedEvil | BIOS port |
| 17:09.49 | gandhijee | the BIOS post coces |
| 17:09.50 | gandhijee | *codes |
| 17:10.05 | SpeedEvil | Then most LPC chips you will find will not be a help. |
| 17:10.18 | SpeedEvil | I suspect few will be in new-stock anyway. |
| 17:10.43 | MonMotha | most of those "Port 80 POST code displayers" are just a PLD hooked up to a 7 segment display, anyway |
| 17:10.58 | SpeedEvil | yeah |
| 17:11.08 | gandhijee | yeah well we have one of those, the other idea i had was to just use one of those parallel to usb converters |
| 17:11.24 | gandhijee | and tap of the segment display portion |
| 17:11.37 | SpeedEvil | http://search.digikey.com/us/en/products/W83626G/W83626G-ND/1133307 |
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| 17:11.51 | SpeedEvil | Parallel to USB converter won't do anything |
| 17:12.07 | SpeedEvil | It's only a printer port - the BIOS will ignore it. |
| 17:12.18 | SpeedEvil | In no way can you get it to talk to port 80 |
| 17:13.16 | SpeedEvil | I would wonder if it's possible to configure any of the 'super-IO' chips to a printer port at port 80. |
| 17:13.32 | SpeedEvil | But they're all likely to be out of stock anyway, so it won't help. |
| 17:13.55 | MonMotha | well, if your intent is to just grab the post codes, just solder some wires to the display on one of those little diagnostic boards |
| 17:14.08 | MonMotha | you'll need a "7 segment to BCD encoder" or similar, but you can do that in softwrae |
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| 17:14.40 | SpeedEvil | I thought the point was there is no output other than port 80 on the LPC bus. |
| 17:15.08 | SpeedEvil | 'how do I connect up LEDs to my device' is a rather different and probably easier question. |
| 17:19.22 | MonMotha | SpeedEvil: oh, there's lots of other stuff on LPC |
| 17:19.36 | MonMotha | LPC is basically the ISA bus with fewer pins - it still has all the activity you'd expect on ISA |
| 17:19.47 | MonMotha | SuperIO, TPM, etc. |
| 17:19.50 | SpeedEvil | Sure. |
| 17:19.58 | SpeedEvil | But there are only a few pins. |
| 17:20.00 | MonMotha | and even if your board doesn't have SuperIO, the BIOS will probably still try to init it :) |
| 17:20.03 | SpeedEvil | And tehre are no dedicated pins. |
| 17:20.25 | SpeedEvil | I mean - there are no pins to connect a LED to - you've got to talk LPC. |
| 17:20.30 | MonMotha | right |
| 17:20.48 | MonMotha | but the goal here seems to be to log the POST codes |
| 17:20.49 | SpeedEvil | http://search.digikey.com/us/en/products/LPC47B272-MS/638-1019-ND/1120699 - quick look at one of the only 2 in-stock LPC chips I saw on digikey |
| 17:20.54 | MonMotha | and the way you get those is via LPC |
| 17:21.00 | SpeedEvil | There isn't any way to set it up other than over LPC. |
| 17:21.09 | SpeedEvil | Even the internal micro can't configure itself to port 80 |
| 17:22.16 | SpeedEvil | The other option is to find a micro which is fast enough to - if not bit-bang - read the 'IOW' cycle |
| 17:22.25 | SpeedEvil | and simple logic just to ack it |
| 17:22.37 | SpeedEvil | this may be easier than a CPLD |
| 17:22.50 | SpeedEvil | Indeed, there are some micros with programmable logic in now |
| 17:28.03 | SpeedEvil | Oh - also - suitable FPGAs start at $6 ish |
| 17:28.20 | SpeedEvil | http://search.digikey.com/us/en/products/XC3S50A-4VQG100C/122-1592-ND/1956974 - _complete_ overkill. |
| 17:29.07 | SpeedEvil | You might even find some LPC-IP out there to stop you needing to write it |
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| 17:51.56 | gandhijee | sorry, pull aside for a meeting |
| 17:52.32 | gandhijee | SpeedEvil: the idea would be to use the lines behind the decoder chip to the usb LPT port which would be connected to another machine |
| 17:53.03 | SpeedEvil | You mean the encoder chip? |
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| 19:52.17 | gandhijee | SpeedEvil: no i think its the decoder chip, it takes the data from the LPC bus then decodes it and drives the 7 segment display |
| 19:52.31 | gandhijee | sorry about that again, pulled for another meeting. |
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| 20:14.33 | cpo | hi, i ran into the following problem when booting my complete linux image from within a ramdisk with (root=/dev/ram rdinit=/sbin/init initrd=foo) the linux raid autodetect does not find and activate my md0 device. when copying the ramdisk content to /dev/sda1 and booting with (root=/dev/sda1) also the md device get's activated. |
| 20:14.52 | cpo | is there anything special when using ramdisks? |
| 20:20.36 | SpeedEvil | you may need to wait a bit for hardware to wake/spin up |
| 20:22.22 | cpo | SpeedEvil: waited minutes and nothing happened |
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| 21:23.36 | Mirell | Interesting. HR person at F5 contacted me. |
| 21:34.01 | prpplague | F5? |
| 21:34.16 | prpplague | Mirell: is that like MI-6? |
| 21:36.27 | SpeedEvil | It's like MI-6 reloaded. |
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