mbbrutman-cctalk at
brutman.com wrote:
And one last question .. Unlike the PC and XT, the AT
BIOS handles hard drives.
It didn't blink when I removed the crusty WD based controller and replaced it
with a no-name WinBond based controller. Does the new IDE controller really
look that much like the old controller that the BIOS can't tell?
Well, consider the IDE hack for the PC/RT. As long as the IDE disk
honors all the ESDI commands (translate as "if it's a Seagate Medalist
<2GB"), you can replace the FDC/ESDI adapter in an IBM PC/RT with an
FDC/IDE card and the system firmware doesn't even notice.
Doc