Intermec PENKEY 6100 Programmer's Reference Manual page 210

Conversions and Interfaces
INT 15h, Function AX = 01FAh: Beep the Buzzer
4000API
On Entry:
On Return:
INT 15h, Function AX = 01FBh: Return Pointer to BIOS Version
4000API
On Entry:
On Return:
INT 15h, Function AX = 01FDh: Receive a Network Packet
4000API
On Entry:
On Return:
R
6-74 PEN*KEY 6100 Computer Programmer's Reference Guide
es:[bx].len
es:[bx].adr
es:[bx].ctl
es:[bx].buffer
SECTION 6