Intermec PENKEY 6100 Programmer's Reference Manual page 212

Conversions and Interfaces
INT 15h, Function AH = 4Fh: Translate Keyboard Scan Code
4000API
On Entry:
On Return:
INT 15h, Function AH = 4Fh: Keyboard Intercept
BIOS
On Entry:
On Return:
R
6-76 PEN*KEY 6100 Computer Programmer's Reference Guide
Standard Keyboard Interface
SECTION 6