HP Vectra

,Address
Range
INT
BIOS Entry
Summary
48-4B 12 DETERMINE
Reports the number
MEMORY SIZE of contiguous 1Kb
blocks
of memory.
4C-4F
13 DISKETIE
INT
Reset, status, read,
write, verify, format,
read DASD, read
change line, and set
DASD.
50-53
14 RS232 10 Initialize port, read
character,
write
character read
status.
54-57 15
CASSETIE 10 & Device open, device
80286 FUNCTIONS
close, program
termination, event
wait, joystick
support, system
request key, wait,
move block,
determines extended
memory
size,
processor to virtual
mode, device busy
loop, and interrupt
complete flag set.
58-5B 16
KEYBOARD
10 Read character, read
buffer status, read
shift status.
5C-5F
17 PRINTER 10 Initialize port, print
character, read
status.
64-67
19
BOOTSTRAP Power up code.
68-6B
lA TIME OF DAY
Read and write
clock, time, date, set
and reset alarm.
54 Basic Input/Output System