feipoa wrote:

I grabbed this line from the spec sheet, […]
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I grabbed this line from the spec sheet,

The VIA C3 Nehemiah processor currently does not support multiple processors; however future versions may implement dual processors support.

My guess is that they never implemented SMP because they didn't renew their socket 370 lincense with Intel. Even for their current EBGA package, they have no mention of SMP. SMP would have only really been practical in the socket 370 form factor.

Oh well, it would have been fun to use a dual VIA C3 1.2 GHz for the sake of novelty in a retro rig.

Maybe they can be hacked liked getting Tualatins to run in Coppermine boards or getting Celerons to run in SMP.

Does anyone have any success stories with running a 1.2 GHz Nehemiah? If so, what motherboard was used? I haven't had good experiences running C3's with slocket adapters.

I have already found incompatabilities in VIA's list of compatable motherboards, even for socket 370 motherboards. They should really list compatable motherboards by the specific C3 core.
http://www.via.com.tw/en/products/processors/ … 3/boardlist.jsp

ratfink wrote:

I saw on mini-itx.com that wcpuid could vary the c3 multiplier on an epia board, from 3x to 13x:

http://www.mini-itx.com/hardware/overclocking/

Needs windows but I wondered if it also depended on the motherboard.

I was unable to get this program to alter the multiplier on a Nehemiah 1.2 GHz (133 x 9.0). I tried version 30C and 330 of the WCPUID program. I also tried WCPUID in Win98SE, W2K, and WinXP but the frequency stays at 1206 MHz.