Some BIOS may be the cause of a problem. Here is a prtial list.

ALR-MPS (Microchannel)  are incompatible with IDE HD

AMI-  1987  can cause system re-boot, 1989  inermittant  UAEs  &
     system hangs, 1991 serial port mouse/modem problems.

AST- system lokcs, GP faults, on AST Premium 286

AWARD- before 3.05 cause floppy error. 3.1 is latest

DTK- before rev35 WIndows run but no IDE support, rev35  wouldn't
     run Enhanced, rev36 requires Utils diabled in CMOS

QUADTEL- 3.05 req for Windows

PEAKDM- need rev1.30

Phoenix- all must be later than 1988

Toshiba- T3100/20 ver4.2+, T3100e 1.7+, T5200  during Windows set
     correctly

Tandon- keyboard failures w/ older rev.

Wyse-  select  wrong (84) keyboard - run  Winows  setup  (outside
     Windows)

Zenith- 386/16 rev 2.6e+, 286 miss/repeat keystrokes.  Turbosport
     rev2.4D+, CGA only
