ECS K7S5A, clone M830 (PCCHIPS, Amptron, etc)
Earlier, I said in the "motherboard 5v" thread:
My $20 power supply is OK with a 12v motherboard. I'll match the K7S5A with a better power supply. Once I did, the K7S5A 5v was 4.90 or so. I thought everything was good, but now, after a few weeks, it's down to 4.80. Still within spec, but if it keeps dropping, that won't last long. There must something wrong with the motherboard. A different model motherboard measures 5.01 on the same power supply. Before giving up on the board, I searched and found much discussion of K7S5A hardware problems, and some resistor fixes to make the board run with an Athlon 1400. There was somebody named Mr. Athlon who produced a motherboard repair guide, but ECS threatened to sue people and got them kicked off the web forum, which is apparently gone now. With those circumstances and the years gone by, I feared it impossible to find Mr. Athlon's guide, but I got lucky: http://www.oocities.org/mrathlon2000/zp.html In that page, see the "fix guide" link. It worked for me, get it while it lasts. It's a PDF with pictures, what more can you want. Looks like soldering fun for me. Sorry if that's not your thing. |
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