[comp.sys.ibm.pc.hardware] How to program WD1004-27X HD-controller?

isto@cc.helsinki.fi (04/05/91)

Hello,

I need to know how to program WD1004-27X HD-controller for XT.
I mean lowest level programming, putting bytes directly into controller
registers for seek, read, writes etc.
Any info or references greatly appreciated, thanks in advance.

Pekka Isto
isto@cc.helsinki.fi