HP Vectra Technical Reference Manual page 281

9.3 Equipment Determination Driver (lNT 11 H)
Returns information about the equipment attached to the system.
On Entry: No Inputs.
On Exit: AX
=
Word with all equipment information:
Bit
15, 14
13, 12
11, 10, 9
8
7, 6
5,4
3, 2
1
o
Registers Altered: AX.
Value Definition
Number of printers attached.
Not used.
Number of datacomm cards attached.
Not used.
Number of diskettes attached:
00 1 drive,
01 2 drives, only if Bit 0 is also a 1
Initial video mode selected:
00 Other.
01 40x25 color adapter.
10 80x25 color adapter.
11 80x25 monochrome adapter.
Not used.
Math co-processor attached.
01 Diskette drives attached.
9.4 Memory Size Determination Driver (lNT 12H)
Returns the amount of RAM found in the system during the power-on and initialization routines.
On Entry: No Inputs.
On Exit: AX
=
Number of 1 KB memory blocks found.
Registers Altered: AX
272 System Drivers