T E C H N I C A L I N F O R M A T I O N
B/7
VESA option
PL22
A single jumper may be the only one fitted, at the end
nearest
PL21. Only needs to be removed if fitting a new
high feature ‘plug in’ video card and serious problems are
encountered. If taken out, it
must be replaced
if the
upgrade video card is subsequently removed.
Processor and Bus clock
These settings must not be changed except in the event of a
processor upgrade. Full details of the processor’s required settings
should accompany the new processor and the appropriate board
links should then be identified from the table below.
Warning
DO NOT alter these links under normal circumstances as it
may damage the processor and/or
other vital components on
the motherboard.
Processor speed
PL17
SW 1,
•
=
Link,
:
= No link
ISA (MHz)
Pentium P 75
VRE
Pin 1
•
•
:
:
:
:
:
:
8.33
P 90
VRE
Pin 1
:
•
:
:
•
:
:
:
7.5
P 100
VRE
Pin 1
•
:
:
:
•
:
:
:
8.33
P 120
VRE
Pin 1
:
•
•
:
•
:
:
:
7.5
P 133
VRE
Pin 1
•
:
•
:
•
:
:
:
8.33
P 150
VRE
Pin 1
:
•
•
•
•
:
:
:
7.5
Soundblaster address
SW1
Default position, link pins 15 and 16, sets the on-board
Soundblaster to address 220h. Removing the link changes
the address to 240h.