ISA bus throughput
doc at mdrconsult.com
Tue Jan 31 18:23:35 CST 2006
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.
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