SAI2 Server Board TPS
Jumpers and Connectors
Revision 1.0
47
4.2 Jumper
Blocks
Jumpers on the JP5 jumper block of the SAI2 server board set the system configuration. The
jumpers are small plastic-encased conductors (shorting plugs) that slip over two jumper pins on
a jumper block.
On the SAI2 server board, the following jumper blocks are user-configurable.
•
CMOS and Password Clear
•
BIOS Recovery
4.2.1
Setting CMOS/Password Clear Jumper Block (JP5)
Setting a jumper on system board jumper block JP5 enables the user to clear the CMOS or to
clear a forgotten password. See the above figure for the location of the jumper block location.
The following table lists the factory default settings for jumper block JP5, which are indicated in
bold typeface. Procedures for setting the jumper on the block follow the table.
Table 32. Jumper Block JP5 Settings
Jumper Pin
Numbers
Function
Jumper Position
What it does at system reset
1 - 2
CMOS clear
Open, Protect
Preserves the contents of CMOS
Closed, Erase
Clears CMOS
3 - 4
Password protected
Open, Normal
Preserves the password
Closed, Disable
Disables the password
5 - 6
Reserved
Open, Not Used
No function
7 - 8
Reserved
Open, Not Used
No function
9 - 10
BIOS Recovery Boot
Open, Normal
BIOS Recovery Boot disabled. Normal
operation.
Closed, Recovery Boot
If this jumper is set, BIOS recovery will be
attempted from a bootable BIOS recovery
floppy diskette.
11 - 12
Spare
Closed, Spare
Provides a spare jumper
4.2.1.1
Clearing and Changing a Password
Clear and change a password as follows.
1. Power off the system, unplug the power cord, and remove the chassis panel.
2. Use needle-nose pliers or your fingers to remove the spare jumper from pins 11-12 on
jumper block JP5.
3. Reinstall the jumper on pins 3-4 (Password Disable) of jumper block JP5.
4. Reinstall the chassis panel, plug in the power cord(s), and power on the system.
5. While waiting for POST to complete, press the
F2
key to enter BIOS setup.
