BIOS Boot Block Write Enable jumper

The BIOS Boot Block Write Enable jumper on the system board (pins 13 through 15 of jumper J2J1) lets you update the BIOS boot block. (See the figure on page 6 for the location of the jumper.)

Caution Incorrect programming of the boot block may make the system unbootable.

The following table shows the settings required to perform this function. Make sure you turn off the server and unplug the power cord before moving the jumper.

Mode

Jumper

Action When Set

 

Setting

 

 

 

 

 

 

 

 

 

 

 

 

Normal

 

 

 

 

 

 

 

 

 

BIOS boot block is write protected

 

 

 

 

 

 

 

 

 

 

(default)

 

Pins 13-14

 

 

 

 

 

 

 

 

 

 

 

 

 

BIOS update

 

 

 

 

 

 

 

 

 

Allows the BIOS boot block to be

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

updated

 

 

 

 

 

 

 

 

 

 

 

Pins 14-15

 

 

 

 

 

 

 

 

 

 

 

 

 

Caution Moving the jumper while the power is on can damage the server. Always turn off the server and unplug the power cord before moving the jumper.

BMC Boot Block Write Enable jumper

The BMC Boot Block Write Enable jumper on the system board (jumper J4J2) lets you program the BMC boot block using the correct utilities. You can download these utilities from the Gateway Web site along with the latest version of the BMC firmware. (See the figure on page 6 for the location of the jumper.)

Caution Incorrect programming of the boot block may make the system unbootable.

70Using the BIOS Setup Utility