NEC POWERMATE PROFESSIONAL 9000 Service Manual page 266

CAUTION: Jumpers are set correctly at the
factory for the configuration. Only change (or
check) the appropriate jumper setting if you are
upgrading the processor. Otherwise, keep the
jumpers at their factory settings.
1. Power off and unplug the system and any external options.
WARNING: The system power must be off
before changing a jumper setting.
2. Remove the left system unit cover (see "System Unit Covers" in Section 3).
3. Remove the drive cage screws at the rear of the system unit. Swing the drive
cage out of the interior of the system unit.
Locate the J7E1 jumper block on the system board (see Figure B-1).
4.
Move the jumper to pins 2 and 3. This jumper setting brings the system up in
5.
Configure mode when it is rebooted.
Swing the drive cage back into the system unit. Replace the screws that hold the
6.
drive cage to the rear of the chassis.
7. Replace the left system unit cover (see "System Unit Covers" in Section 3).
Connect system power cables and external options.
8. Power on the system. The BIOS Setup utility launches immediately after POST
displaying the Maintenance menu.
Select the Processor Speed field. Press
9.
A subwindow appears displaying the supported processor speeds. Use the up or
10.
down arrow key to select the correct processor speed. Press
Select the Exit menu with the left or right arrow key. Press Enter to exit saving
11.
changes. Press Enter again to confirm that you wish to exit the BIOS Setup
utility.
12. Power off and unplug the system and any external options. Remove the system
unit left cover (see "System Unit Covers" in Section 3).
13. Remove the drive cage screws at the rear of the system unit. Swing the drive
cage out of the interior of the system unit.
Move the J7E1 jumper back to pins 1 and 2 so the system can restart in normal
14.
operation mode.
Jumper Settings
.
Enter
B-3
.
Enter