Int 16H, Keyboard Services; Int 17H, Printer Services; Int 19H, Dos Boot; Int 1Ah, Clock - Husky MP2500 Manual

88H, get power up keys: not supported MP2500 or FS3.
8BH, set charger temperature override: not supported MP2500 or FS3.
8FH, volume control: not supported MP2500 or FS3.
97H, fast discharge temperature range: not supported MP2500 or FS3.
9EH, LCD contrast compensation: not supported MP2500 or FS3
(compensation is automatic instead).
A3H, allow access to overlapping PC-AT INT15 functions

INT 16H, Keyboard services

INT 32H, key sound, click or beep: this function is provided by MP2500 and
FS3, but not by FS/2

INT 17H, Printer services

FS3 can optionally be supplied with a parallel printer port, MP2500 and
FS/2 cannot.

INT 19H, DOS boot

FS3 will boot from the CompactFlash drive, internal ATA PC Card drive, or
via a PC's drive A connected via a port - which method is used depends on
the boot option selected (via the boot option menu - see section 10.3).
MP2500 will boot from the CompactFlash drive or via a PC's drive A
connected via Port 1 (COM2).
FS/2 will boot from drive C, or drive A if an Oracle GT is attached via the
Fischer port.

INT 1AH, Clock

0AH, read tenths of seconds: not supported (not provided by a standard
RTC device).
350 H MP2500 System Developer's Guide
USKY