Alot of times that error is just telling you that the CMOS is set to a
different amount
of RAM then you currently have in the pc. The problem is that you can't get
into the BIOS
to change that value. More then likely their is a jumper on the motherboard
having something to do with "Security" of the CMOS. I've seen these jumpers
on a couple different 486 Motherboards. If you remove that jumper (hopefully
It'll be labeled) then you should be able to change the BIOS and everything
will be fine :)

   Jeff Black
   Hans On Systems

>Bill M. Smith wrote:
>
>> Hi All,
>> I'am putting together a computer from old spare parts for my son.When I
>> booted it up I got a "CMOS CHECKSUM ERROR", Press F-2 To Enter Setup.When
I
>> press F-2, nothing happens. It won't let me into setup. How can I fix the
>> checksum error if it won't let me into setup? I tried to clear the CMOS
>> Settings with the Clear CMOS Jumper but when I turned it back on I got
the
>> same message.
>> Any help will be greatly appreciated.
>