8dos problems, 1 keyboard driver, 2 dr-dos 7.03 – Kontron pITX-SP User Manual

Page 40: 3 gate a20 and lan boot

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KTD-S0003-C

Page 36

DOS Problems


p

ITX-SP Software Guide

8

DOS Problems

Not all DOS versions run without problems. The most common reason is:

The absence of a keyboard controller (8042 compatible) and acording to this the missing

I/O addresses 60h/64h can cause problems with keyboard drivers.

8.1

Keyboard Driver

Most DOS versions do not accept switching to different character sets - this means the US character set
(default) remains. A bootable MS-DOS 8.0 floppy disk can be created using Windows

®

XP.

Operating System

Version

Character Set Switching

MS-DOS

6.22

Not possible

MS-DOS

WIN 98 (7.10)

Not possible

MS-DOS

WIN ME (8.0)

Possible

DR-DOS

7.03

Not possible

8.2

DR-DOS 7.03

For the installing DR-DOS 7.03 the following default settings should be modified:

Memory Manager Options

i386/i486/586 Memory Manager

OFF

Load

DPMS

Software

OFF

Location of DOS Software

Conventional Memory


Subsequent HIMEM.SYS can be activated.

8.3

Gate A20 and LAN Boot

When the Gate A20 is set to enabled LAN boot via a network connection from a PXE server is not possible.
The PXE Option ROM aborts with an error message.

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