Hardware Ports - Intermec PEN*KEY
6200 Programmer's Reference Manual

System Information
Audible Error Codes During POST
" NOTE:
A20 refers to the special PC/AT hardware that enables or disables address line number 20
on the system memory address bus. The A20 line can be disabled to maintain compatibility
with 8088-based hardware platforms.
Open-Systems I/O and IRQ Maps

Hardware Ports

" NOTE:
Addresses and IRQs allocated according to PC Card driver. The default Address = 2E8h
and the default IRQ = 5, using NORMOD.SYS and CardSoft.
R
7-12 PEN*KEY 6200/6300 Hand-Held Computer Programmer's Reference Guide
POST Error Codes
Hardware Ports
SECTION 7