With 2.4.18-0.40smp, the clock on this machine runs (roughly) twice as fast. If booted with 'noapic', it works OK.
Created attachment 59524 [details] dmidecode output
Created attachment 59525 [details] lspci output
Created attachment 59527 [details] dmesg output
Created attachment 59529 [details] /proc/interrupts
Ingo: could this be that the timer irq is routed to 2 cpu's ?
Can we close this out now?
Well, depends how well the current kernel works on this box. Haven't tried recently.
Deferred, I think that box is dead.