🚀 go-pugleaf

In article <171740502wnr@dagwens.demon.co.uk>
           david@dagwens.demon.co.uk "david grimshaw" writes:

>I help deciding which overdrive chip to buy
>I have a IBM PS/1 486sx25 Model 2133 154 it has an empty socket for a 
>Maths Co-processor which I believe will accept the Overdrive chip
>is this true?

Depends on the type of MCP it takes. If it looks like a 486 footprint
pinout then I think you are right.


> which would be the most suitable Overdrive chip the 
>dx2-50 or the dx4-75

Depends how fast you want it to be.

DX4s don't seem to cost much more than DX2s so personally I'd just go
for the DX4.


>If anyone has upgraded and can give me some advice then it would be 
>most welcome

I upgraded a 486DX/25 AST machine ( against ASTs advice ! ) with a DX4
overdrive. Seems to work fine with DOS/windows/win32s which are the only
things I've tested it on.

I would advise going for it.

-- 
John Beardmore