Table A–8
System configuration switches, Switch 4
Label
S
X
V
U1
R
* default
System configuration switches, Switch 4
Description
System parameters option switch:
On = enable User Setup options*
Off = enable BIOS Setup default
BIOS extension enable
Installed = enable extended BIOS*
allows use of INT17 calls without
loading I17HNDLER.EXE
Removed = disables extended BIOS
frees location D8000 - DFFFF
Video switch:
On = enable on-card video*
Off = disable on-card video
User switch 1, default On*
BIOS recovery jumper:
Installed = normal BIOS operation*
Removed = allows new BIOS to be installed
Position
1
2
3
4
5
109