| _E | minute: alright, I'll get in touch | 00:05 |
|---|---|---|
| _E | if there's anything else you'd like me to try while I have the board, I'm not opposed to poking around | 00:06 |
| _E | though I don't have any precision soldering/rework equipment, so repair is probably out of the question | 00:09 |
| minute | _E: with the ohmmeter in the multimeter, you could measure the resistance to GND of each power rail (with nothing connected) | 00:10 |
| minute | hmm, i'm running "foot" instead of xfce4-terminal for a few days and i must say, it feels substantially faster | 00:10 |
| khm | I miss xfce4-terminal's multiline paste confirmation but I use foot too | 00:21 |
| khm | (I don't have xwayland enabled or installed at all) | 00:21 |
| minute | ah yeah | 00:23 |
| minute | also, i'm trying newer mesa+xwayland versions and glamor triggers some nasty GPU problems again | 00:24 |
| minute | XWAYLAND_NO_GLAMOR and kicad runs fine | 00:24 |
| khm | all I really miss is accelerated firefox | 00:24 |
| minute | yeah, i feel that | 00:25 |
| minute | it's a shame they don't properly support GLES2 | 00:25 |
| khm | I use this to test: https://mfx.drastic.net/view/tigris/ (not recommended without accelerated graphics) | 00:27 |
| _E | minute: checked every net with a V in its name (or PWR), no apparent connectivity to ground | 00:39 |
| _E | so either the resistance was too high for my multimeter to consider connectivity-beep-worthy, or none of them are shorted without power | 00:41 |
| minute | _E: well, that's good at least | 00:53 |
| _E | minute: I'm gonna try hooking my scope up to LPC_VCC | 00:57 |
| _E | I doubt it'll show anything interesting, but maybe having some idea of the timing could lead somewhere | 00:58 |
| minute | sure | 01:05 |
| _E | nothing super exciting, looks like it's alive for about 400ms before the power supply's overcurrent protection shuts it off | 01:10 |
| _E | well, "alive" might be a strong word for it | 01:10 |
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| svp | minute: i didnt feel particularly comfortable soldering so close to the keyboard switches so i carefully used tape near R3, resetting DOES work now. | 14:29 |
| svp | still, further inspecting with showkey shows two rows and one column of keys not being detected, however (first column, F-key row and home row, to be precise) | 14:32 |
| minute | svp: hmm that's not so good... | 14:34 |
| C-Keen | I wonder what has happened to your unit | 14:55 |
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| - sts-q (QUIT: Read error: Connection reset by peer) (~sts-q@2a01:41e1:2ca5:400:cd79:2c4e:adb0:5a0f) | 16:35 | |
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| svp | voltage between COL1 and ROW1 is low, same for all of column 1 and row 1 as a whole while every other combination on any other lane is a steady 0V5. measuring from switch pad with the label close and the diode's end on the same side. i would suspect the esc key might be involved but the switch works fine... yeah i'm pretty lost on this one | 16:41 |
| minute | svp: hmmmm, mcu damaged somehow? | 16:51 |
| svp | starting to suspect as such. it might be because of the issue i was told about last night, with the pins, but i thought this was no longer an issue by now. my model is a DIY #000235, would it mean the issue persisted? | 17:04 |
| + reform18165 (~dan@2001:b07:5d38:754d:e5fc:c818:5d02:afdf) | 17:11 | |
| reform18165 | users | 17:12 |
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| + alex4nder (~alexander@ip98-171-191-229.sb.sd.cox.net) | 17:48 | |
| minute | svp: normally it should not have persisted... we also had one bad MCU in the lab (unknown reasons). which country are you in? | 18:01 |
| svp | I'm in Italy | 18:01 |
| + Nulo (~Nulo@user/nulo) | 18:06 | |
| - Nulo (QUIT: Read error: Connection reset by peer) (~Nulo@user/nulo) | 18:07 | |
| minute | svp: i would suggest you send us the keyboard for fixing then | 18:09 |
| + Nulo (~Nulo@user/nulo) | 18:10 | |
| minute | svp: send it (just the keyboard) to our address on the bottom of mntre.com, with trackable package (important!) and send the tracking details etc to support@mntre.com | 18:10 |
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| - Nulo (QUIT: Ping timeout: 256 seconds) (~Nulo@user/nulo) | 18:14 | |
| svp | alright, will do. | 18:43 |
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| + Christoph_ (~Christoph@p4fe73e03.dip0.t-ipconnect.de) | 19:16 | |
| + mjw (~mark@gnu.wildebeest.org) | 20:04 | |
| _E | minute: if I'm going to be sending stuff in for repair, would it be worth checking the peripherals for damage as well? | 20:38 |
| minute | _E: well, it might make sense to send motherboard + keyboard yeah | 20:39 |
| _E | would it be safe to apply power to the keyboard/trackball without the data pins connected to anything? | 20:46 |
| _E | considering how severely the rest of the board was affected, I'd guess they're probably fine if they still boot | 20:47 |
| minute | that would be safe yep, just make sure it's the correct voltages ^^ | 20:51 |
| _E | looks like the trackball survived | 21:03 |
| + sts-q (~sts-q@2a01:41e1:2ca5:400:cd79:2c4e:adb0:5a0f) | 21:03 | |
| + Nulo (~Nulo@user/nulo) | 21:08 | |
| _E | minute: both the keyboard and trackball booted back up | 21:11 |
| _E | wish there was a way to test the other peripherals, but I don't think I can suitably wire up a fake pcie bus or sodimm slot | 21:13 |
| _E | or display | 21:13 |
| _E | ...unless someone wants to share some verilog for lattice fpga boards | 21:15 |
| minute | _E: pretty sure the problem is local to the motherboard | 21:21 |
| _E | makes sense | 21:33 |
| _E | minute: call me paranoid, but since it's a failure in the power supply circuitry, I wanted to see if it had fried anything downstream | 21:34 |
| minute | _E: yep, good call | 21:36 |
| + MajorBiscuit (~MajorBisc@86-88-79-148.fixed.kpn.net) | 21:36 | |
| _E | this isn't relevant to the power issue, but I do wanna say | 21:36 |
| _E | I think the assembly instructions should do the keyboard/oled before the motherboard | 21:37 |
| _E | doing the motherboard first exposes the display to damage from dropped parts | 21:37 |
| _E | having the keyboard in place would mitigate that a fair deal | 21:38 |
| minute | interesting! | 21:38 |
| _E | alternatively, you could have them unfold the device as step 1 | 21:39 |
| _E | you can thank a near-miss with a screwdriver for the insight | 21:40 |
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| + mlarkin (~mlarkin@047-048-086-214.biz.spectrum.com) | 23:50 | |
| - Christoph_ (QUIT: Remote host closed the connection) (~Christoph@p4fe73e03.dip0.t-ipconnect.de) | 23:53 | |
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