-=> Quoting Mark Gaulton to All <=-
MG> Immediately after that, the 1.44 FDD stopped reading 1.44 and only
MG> acted as a 720. Around the same time, I was trying to transfer files
A long shot, but perhaps the CMOS was altered:
CMOS 10h - IBM - FLOPPY DRIVE TYPE
Note: a PC having a 5 1/4 1.2 Mb A: drive and a 1.44 Mb B: drive will
have a value of 24h in byte 10h. With a single 1.44 drive: 40h.
Bitfields for floppy drives A/B types:
Bit(s) Description (Table C007)
7-4 first floppy disk drive type (see #C008)
3-0 second floppy disk drive type (see #C008)
(Table C008)
Values for floppy drive type:
00h no drive
01h 360 KB 5.25 Drive
02h 1.2 MB 5.25 Drive - note: not listed in PS/2 technical manual
03h 720 KB 3.5 Drive
04h 1.44 MB 3.5 Drive
05h 2.88 MB 3.5 drive
06h-0Fh unused
Peter
... I'm not rude, I'm diplomatically challenged.
--- EBO-BBS Diemen - NL
---------------
* Origin: EBO-BBS Diemen (http://www.worldonline.nl/~biginski) (2:280/901)
|