T e c h n i c a l I n f o r m a t i o n
Clear BIOS settingsPL21 Next to outer video upgrade socket, default position link pins 1 and 2. Moving the link to pins 2 and 3 disconnects the battery from the BIOS memory, and will cause all the user settings to be lost. To be used with caution and only in the event of an access password being lost.
VESA optionPL22 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 extra video card is subsequently removed.
Processor and BUS clockThese 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, Â= Link, = No link | ISA (MHz) |
|
|
|
|
Pentium P 75 | VRE | Pin 1Â Â | 8.33 |
|
|
|
|
P 90 | VRE | Pin 1 Â Â | 7.5 |
|
|
|
|
P 100 | VRE | Pin 1Â Â | 8.33 |
|
|
|
|
P 120 | VRE | Pin 1 Â Â Â | 7.5 |
|
|
|
|
P 133 | VRE | Pin 1Â Â Â | 8.33 |
|
|
|
|
P 150 | VRE | Pin 1 Â Â Â Â | 7.5 |
|
|
|
|