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Acorp 6A815EPD not working in dual CPU mode

G

GorillazRule

Junior Member
I have bought an Acorp 6A815EPD SMP motherboard. I have two Celeron 400MHz processors which I would like to put in it, but the problem is that they don't work in dual CPU configuration. I have tried both CPUs in single CPU configuration which run just fine. I run in single CPU configuration now and the system is stable.

When I boot in dual CPU configuration, the system just beep (short 1-2-1-2-...) and don't show anything on the monitor (no signal).

How do I troubleshoot this system?

Motherboard specs
 
Does the manual describe any special switch or jumper for dual CPU operation? I recommend that you get in touch with Acorp. Their products, and in particular that motherboard, don't seem to be in common use.
 
Hmmmmm, well, those Celerons were not SMP-locked, but I'm not suprised considering that the 815 chipset isn't even supposed to be running in SMP mode, I really dunno what to suggest. You don't happen to have a pair of p3's around do you?
 
Well, thanks for your answers. I'll try contacting Acorp to see if there is a special setting for dual celerons. They are quite old, but the specs says they are supported. The manual does not mention that there are any jumpers to set for dual mode. There is no BIOS setting either. It mentions a jumper (force CPU safe mode), but not what it will do.
 
I have downloaded the manual it says it does not support dual celerons (only single). For dual mode, it only supports PIII C & D stepping processors.



 
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