I/O Baseboard Assembly; Removing The I/O Baseboard Assembly - HP rp4410 Service Manual

I/O Baseboard Assembly

System information is stored on the I/O baseboard assembly. If you are installing a new I/O
baseboard assembly, you must write the serial number and model string information to the I/O
baseboard after installation.
WARNING!
from the server before removing or replacing the I/O baseboard assembly.
Voltages are present at various locations within the server whenever an ac power source is
connected. This voltage is present even when the main power switch is in the off position.
Failure to observe this warning can result in personal injury or damage to equipment.
CAUTION:
behavior or system failure. For assistance with this procedure contact your local HP Authorized
Service Provider.
Observe all ESD safety precautions before attempting this procedure. Failure to follow ESD safety
precautions can result in damage to the server.

Removing the I/O Baseboard Assembly

NOTE: PA 8900 CPUs require PDC greater than 44.21, which is loaded on A6961-67401 and
A6961-69401 repair parts. A6961-67301 and A6961-69301 repair parts enables the system to boot
to BCH where PDC must be updated to greater than 44.21.
To remove the I/O baseboard assembly, follow these steps:
1. Save (record) the boot configuration settings. The settings can be found using the INFO
ALL BCH command . You may need to reset the iLO MP and boot configuration settings
after replacing the I/O baseboard assembly.
2. Save iLO MP configuration settings. You can find the setting for the iLO MP LAN console
access by using the iLO MP LS and DNS commands. If you purchased the iLO MP Advanced
Licence pack, save the license key using the iLO MP LM command.
3. If rack-mounted, slide the server out from the rack until it stops. (See
Rack-Mounted Server" (page
4. Remove the top cover. (See
5. Remove the three chassis fan units. (See
(page 172).)
6. Unplug all external cabling attached to the ports at the rear of the chassis.
7. Unplug the SCSI cables attached to the HBA board in PCI slot 1.
CAUTION:
channel cables. When plugging-in these cables, you must match each cable with its
appropriate socket on the SCSI HBA. If the cables are mismatched your system may not
reboot. Both cables and sockets are clearly marked with the correct channel.
8. To unplug the I/O baseboard from the socket on the midplane riser board, lift up on the
locking lever attached to the side of the power supply cage.
Ensure that the system is powered off and all power sources have been disconnected
Failure to properly complete the steps in this procedure results in erratic system
149).)
"Removing the Top Cover" (page
When unplugging the SCSI cables, note the labeling on the SCSI A and SCSI B
153).)
"Removing a Hot-Swappable Chassis Fan Unit"
"Accessing a
I/O Baseboard Assembly 175