Motherboard Manual
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PCI-X Slot Speed Select Jumper (CN22)
This header lets you determine the bus speed of the PCI-X slots. The speed can be set to
either 133 MHz (default) or 100 MHz.
1-2
2-3
100 MHz Enabled
133 MHz Enabled
(default)
On-Board VGA Select Jumper (CN41)
If you are going to use the onboard VGA feature, you need to set the jumper to enable the
VGA header.
1-2
2-3
VGA Enabled
(default)
VGA Disabled
Clear CMOS Header (CN19)
The onboard button cell battery powers the CMOS RAM that contains all the BIOS setup
information. Keep the jumper connected to pins 1-2 (Default) to retain the RTC data as
shown below.
Under certain circumstances, you will need to reset BIOS settings. Follow these instructions
to clear the CMOS data:
1.
Turn off the computer and Remove the Power Cord
2.
Short pins 2 and 3 with a jumper for a few seconds.
3.
Replace the jumper to pins 1 and 2.
4.
Turn on your computer by pressing the power-on button.
5.
Hold down <F2> during boot and select either <Load Optimal Defaults> or
<Load Failsafe Defaults> in the “Exit” section. Then go through the BIOS setup
to re-enter user preferences. Refer to the BIOS section for more information.
1-2
2-3
Normal
(default)
Clear
CMOS
J
umper
s
ettings
IMPORTANT
If you do not remove the power cord, then the CMOS may NOT be cleared.
