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SAI2 Server Board TPS
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.
Jumper Pin
Function
Numbers
1 - 2
CMOS clear
3 - 4
Password protected
5 - 6
Reserved
7 - 8
Reserved
9 - 10
BIOS Recovery Boot
11 - 12
Spare
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.
Revision 1.0
Table 32. Jumper Block JP5 Settings
Jumper Position
Open, Protect
Closed, Erase
Open, Normal
Closed, Disable
Open, Not Used
Open, Not Used
Open, Normal
Closed, Recovery Boot
Closed, Spare
Jumpers and Connectors
What it does at system reset
Preserves the contents of CMOS
Clears CMOS
Preserves the password
Disables the password
No function
No function
BIOS Recovery Boot disabled. Normal
operation.
If this jumper is set, BIOS recovery will be
attempted from a bootable BIOS recovery
floppy diskette.
Provides a spare jumper
47
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