🚀 go-pugleaf

In article <804226361snx@mercer.demon.co.uk>
           alex@mercer.demon.co.uk "Alex Chapman" writes:

>In article <804163467snz@wookie.demon.co.uk>
>   John Beardmore <wookie@wookie.demon.co.uk> writes:
>>>I've just replaced my old motherboard with a 486 AmiBios board with
>>>a 486DX2/66 Blue Lightening CPU.  Because it takes 2x72pin and 4x30
>>>pin simms, in place of the 8x30pin simms that my old motherboard
>>>took, I am presently just using 4x30pin 1MB simms.
>>>
>>>When I boot to DOS everything works fine.  When I boot to OS/2, I
>>>get a TRAP D.  I tried re-installing, which went fine until it told
>>>me to remove the last diskette and reboot.  Then the same thing.
>>
>>It might be worth swapping the simms round. If one is flakey that might
>>make the problem go away.
>
>I'll try this, but the 4x1MB simms I am using are straight off my old
>motherboard, and everything worked fine there.
>
>>Are these 30 pin simms fast enough ?
>
>70ns - so they should be, right ?

Maybe. I guess it depends how the BIOS programs the chipset.


>>BTW does this 486DX2/66 Blue Lightening CPU have an FPU ?
>
>I'm a little hazy on this.  I kind of thought all 486DX2/66 had math
>co pros, but is this the same thing ?  The honest answer is I don't
>know.  But the board and CPU were 109UKP inc. vat. which seemed a
>pretty good price (assuming I can get OS/2 working :} )

Certainly sounds like a good price. Is that including the CPU ?

Intel 486DX chips do include the FPU but I thought that the IBM BL didn't.

-- 
John Beardmore     wookie@wookie.demon.co.uk
                   wookie@cix.compulink.co.uk

Windows '95:  95% the same old DOS and windows...