Intermec PENKEY 6100 Programmer's Reference Manual page 214

Conversions and Interfaces
INT 15h, Function AX = 5304h: APM Interface Disconnect
ELANAPM
On Entry:
On Return:
INT 15h, Function AX = 5305h: CPU Idle
ELANAPM
On Entry:
On Return:
R
6-78 PEN*KEY 6100 Computer Programmer's Reference Guide
SECTION 6