Installation guide

Connectors, LEDs, and Switches
4-12 HP ProLiant BL20p Generation 2 Server Blade Maintenance and Service Guide
HP CONFIDENTIAL Codename: StormX Part Number: 000000-000 Last Saved On: 4/3/03 1:06 PM
Accessing the Redundant ROM
If the system ROM is corrupted, you can set the system to use the backup version or
redundant ROM.
To use the redundant ROM:
1. Power down the server blade:
— Press the Power On/Standby button on the front of the server blade.
— Use the virtual power button feature in the iLO remote console.
2. Disconnect the server blade from all power sources:
— Remove the server blade from the enclosure and set it on a flat, level surface.
— Disconnect the server blade from the diagnostic station.
3. Remove the access panel. Refer to the “Access Panel” section in Chapter 2.
4. Change positions 1, 5, and 6 of SW4 to on.
5. Install the access panel. Refer to the “Access Panel” section in Chapter 2.
6. Connect the server blade to system power:
— Install the server blade in the enclosure.
— Connect the server blade to the diagnostic station.
7. Power up the server blade:
— Press the Power On/Standby button on the front of the server blade.
— Use the virtual power button feature in the iLO remote console.
8. As soon as the server blade powers up, it emits two beeps.
9. Repeat steps 1 through 3.
10. Change positions 1, 5, and 6 of SW4 to off.
11. Repeat steps 5 through 7.
If both the current and backup versions of the ROM are corrupt, you must return the system
board for a service replacement. For spare part numbers, refer to Chapter 1.