11 Nov
2006
11 Nov
'06
6:03 p.m.
--- Chuck Guzis <cclist at sydex.com> wrote:
We're talking REAL IBM AT's--model 5170.
"Clones"
didn't incorporate
the speed-checking code in the BIOS.
It was said you needed an early bios to upgrade the
speed. So, if you had a model with the "early" bios,
you could toss in whichever crystal you wanted. I know
that up until some *bios* point anyway, the 5170 was
bump-uppable. But once they altered the bios (before
or after upgrading the 5170s speed?) you were stuck at
stock, whether it was 6 or 8 mhz?
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