Try this: remove the PSU connectors including the CF card power and remove the battery from the board, use a low ohm resistor (like 100 ohm) between the psu connector pins for +5v (red) and Ground (black) to ground out any voltage held by the onboard capacitors for about 10 minutes. reconnect psu …

Thanks for posting the photo with the M5818. Now I understand even less, how this works, if there is another RTC in the M1487.

I've come across boards where password was enabled with a jumper or rigged to the keylock functionality. Also I've not seen mentioned the default password AMIAMIAMI which is all I've ever needed on Ami BIOS motherboards. However, on a non standard board, foxxcon made for an OEM I never IDed, when …

At the moment I am using this: https://www.elhvb.com/mobokive/Archive/PcChips/486_M9xx/m918/918_Bios_19961230_AMI.zip But as I said, the behavior is the same with any other working BIOS. So the password seems not to be stored in the Flash/ROM? And sadly my POST card is broken, so I can't tell you …

The board uses an ALI M5818 RTC chip.

If I'm not mistaken BIOS settings are stored in the M1487 that also houses the RTC. Have you tried setting the clear CMOS jumper and powering up the system? Or just setting the jumper for a moment while the system was turned off? Yes, I tried both methods. Also setting the jumper for multiple days …

At the moment I am using this: https://www.elhvb.com/mobokive/Archive/PcChips/486_M9xx/m918/918_Bios_19961230_AMI.zip But as I said, the behavior is the same with any other working BIOS. So the password seems not to be stored in the Flash/ROM? And sadly my POST card is broken, so I can't tell you …

I am encountering this problem now with a PCCHIPS M918. I have absolutely no chance. CMOS resets, leaving it without a battery, etc. does not help. Entering the BIOS is not possible. All the passwords, that I tried, don't work. Even if I use a BIOS from another Board with the same chipset, it asks …

Thank you very much!

Phew, ok, thank you!! I only assumed it, since inside of the socket there is written a "16L8" on the pcb. But I have no idea, what a "A458-00-1BS" is. :\

SOL? Well, the mainboard works without the PAL, I can enter the BIOS etc. But it freezes all the time, if I actually try to use it. I only can assume, that the PAL is necessary. xD

Hello Anonymous Coward, I also have the Abit FU340 Mainboard, but mine is missing the PAL next to the Coprocessor socket. Would it be possible for you, to send me the content and tell me the type of the PAL, please? I would be very grateful. Best regards