Reply 51060 of 52976, by Trashbytes
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smtkr wrote on 2023-12-01, 02:31:justin1985 wrote on 2023-11-30, 07:54:debs3759 wrote on 2023-11-29, 23:53:I would suggest that it has max fsb of 100 and max multiplier of 8, and they just listed every option that allows for, rather than thinking 800 MHz Katmai was likely.
I seem to remember there are slotkets that have their own voltage jumpers etc - would that be likely to make a 700 or 800Mhz Coppermine work? (Or is BIOS support for the CPU likely to be a barrier?)
Apart from one very very expensive slotket, slotkets that "set voltages" are really just setting 4 VID pins compliant with the VRM 8.4 spec to tell the motherboard which voltage to supply the CPU (overriding what the CPU would otherwise send on its VID pins). If the motherboard doesn't support the voltage requested, the slotket can't do anything about it.
There were a few Slotkets that could do voltage clamping too, IIRC you could feed it 2.0v and it would clamp it to 1.75v which was typical Coppermine core voltage.
Slotkets that can do this are even harder to find than normal ones and are only suited for slot1 motherboards that cant handle voltages below 2.0v which is a lot of the earlier pre coppermine boards.
I have personally only ever seen one that could do this according to its spec sheet, but the seller wanted far too much for it, but I was seriously tempted. Would have made for an interesting reverse engineering project to see if it could be easily replicated or adapted for non clamping Slotkets.