in
al,
dx
and
al,
20h
out
dx,
al
;------ Set timeout interval as 30seconds and start counting ---------------------------------
dec
dx
mov
al,
0f6h
out
dx,
al
inc
dx
mov
al,
1Eh
out
dx,
al
;------ Exit the extended function mode --------------------------------------------------------
dec
dx
mov
al,
0aah
out
dx,
al
'
BM-0947 USER
S MANUAL
Appendix B Technical Summary
Page: B-16