Reply 20 of 44, by pete8475
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Sphere478 wrote on 2023-08-31, 14:54:The data I have (compiled in the first post of the mod thread) shows that almost all 570s will unlock to 256k and overclock to 6 […]
The data I have (compiled in the first post of the mod thread) shows that almost all 570s will unlock to 256k and overclock to 600 mhz.
I suspect OP’s board still. Or maybe physical damage of the cpu from the mod. It is possible that the cpu is at fault. But that can be checked by disabling l2 in software if OP can get it to post. Or reversing the mod. And underclocking
The bios sometimes locks up when going back and forth or changing settings on these cpus I have seen this on my motherboards a few times.
Be sure that the bios is updated for these cpus. Check the diy bios modding support thread with Jan.
Anyway, OP has demonstrated that the psu is working on the p3 and so is the rest of the system including I assume cards and ram? (Would have to read back.)
Anyway, at this point, with the discription of the failure as sudden in a game board caps, bios corruption, or cpu physical damage come to mind, though I would expect physical damage to happen while servicing the unit. So less likely with the description.
If OP finds motivation, try the cpu in a different board, and re cap the main board would be my next steps to try.
. Even with a vanilla one working, the plus cpus are different and if the board can’t handle that maybe a different board can.
I'll try the modded cpu in another board, I have a TXP4 that has a modded bios that should work with it. It won't be before this weekend though. It does NOT post in the Acorp board at all anymore.
All other components have been moved to the P3 computer (ram, ps, audio, vid, promise controller, etc.). I was going to put that board in the Techmedia case (which I love) but that case has one less expansion slot opening on the back compared to most AT cases and it blocks the AGP slot on the intel board so I left it where it was.