386 UNIX and FDISK

[David F. Carlson]

In article <280 at uport.UUCP>, plocher at uport.UUCP (John Plocher) writes:
> >> Hmmm ... the basic PC disk IO interrupt 13 only has 10 bits for track number.
> >
> >But the underlying WD1010 register spec allows for 16 bits.
> 
> But the WD-1002 controller only uses 10 bits, the WD-1003 uses 12.  
>    -John Plocher

Of course, the WD1002 is a floppy only controller.  For the time being
addressing 1024 cylinders (8.5 meg) on a floppy seems sufficient!  :-)


-- 
David F. Carlson, Micropen, Inc.
micropen!dave at ee.rochester.edu

"The faster I go, the behinder I get." --Lewis Carroll