On Thu, 28 Jun 2007, Chris M wrote:
There were BIOS revisions. Was that likely to
provide
any kinks regarding compatibility?
Of course!
The documented BIOS function calls were kept pretty closely alike.
But, for example, what was the content of BP after an Int10h call?
Joe Campbell ("C Programmer's Guide To Serial Communication", etc.) was
once commissioned by Hayes to work out what "Hayes compatible" was.
Many Hayes modems were not.
--
Grumpy Ol' Fred cisin at
xenosoft.com