Hello , i tried to update the bios but i was getting an error from the original bios chip so i used another one and i managed to flash the bios . Since then the motherboard does not post . I have tried every bios from this link

https://www.elhvb.com/webhq/models/pcchips/m598.htm

But nothing works .

The motherboard i have has a different layout from the one pictured above .

Also when it was working i tried hwinfo and the only thing i remember is the model Pc-Chips m598 nothing else .

That's the one i have .

I can't find what revision mine is . I found on a manual for v5.0 that shows the sound chip exactly as it is in my m/b .

Any help will be appreciated . Thank you .