User`s guide

Serverboard Manual
10
Hardware
Install
PCI-X Slot Speed Select Jumper
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.
PCI 64 Bit Slot Speed Select Jumper
This header lets you determine the bus speed of the PCI-X 64-bit slots. The speed can be
set to either 64 MHz (default) or 33 MHz
1-2 2-3
66 MHz Enabled
(default)
33 MHz Enabled
1-2 2-3
133 MHz Enabled
(default)
100 MHz Enabled
On-Board VGA Select Jumper
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
The onboard button cell battery powers the CMOS RAM. It 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 system settings. Follow these
instructions to clear the CMOS RTC 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 Chapter 2 BIOS SETUP for more
information.
1-2 2-3
Normal
(default)
Clear
CMOS
Jumper settings
IMPORTANT
If you do not remove the power cord, then the CMOS may NOT be cleared.