Intermec PENKEY 6100 Programmer's Reference Manual page 235

SECTION 6
INT 1Ah, Function AH = 06h: Set the Real-Time Clock Alarm
BIOS
On Entry:
On Return:
INT 1Ah, Function Ah = 07h: Reset the Real-Time Clock Alarm
BIOS
On Entry:
On Return:
INT 1Ah, Function AH = 09h: Read the Real-Time Clock Alarm
BIOS
On Entry:
On Return:
R
PEN*KEY 6100 Computer Programmer's Reference Guide
Conversions and Interfaces
6-99