HP Server rp8420 HP 9000 rp8420 Server - User Service Guide, Fifth Edition - Page 146

Removing and Replacing a Processor Turbo-Cooler Fan, Removing a Turbo-Cooler Fan

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NOTE: If the firmware or programmable hardware versions are not at or above the minimum versions, go to one of the following websites to obtain the latest Firmware Release Notice and firmware patches: Internal web site: ftp://hpatlse.atl.hp.com/firmware_patches/hp/cpu External web site: ftp://ftp.itrc.hp.com/firmware_patches/hp/cpu The Firmware Update Release notice is included in the download bundle and includes the upgrade instructions. 23. Power up the nPartition. See Appendix E 'Operating System Boot and Shutdown' for details. 24. Use the MP>PS: command to verify proper operation of the cell board. Removing and Replacing a Processor Turbo-Cooler Fan The processor turbo-cooler fans are located on the cell boards. Removing a Turbo-Cooler Fan 1. Prepare an ESD safe work surface large enough to accommodate the cell board. 2. Identify the partition and cell to be removed. 3. Power down the nPartition and remove the cell with the fan to be replaced following the instructions found in "Removing and Replacing a Cell Board" on (page 117). 4. Place the cell board on the ESD safe work surface. 5. If necessary, loosen the four captive screws that secure the DIMM cover, remove the cover and set it aside. 6. If so equipped, loosen the captive screws on the CPU cover, remove the cover and set it aside. 7. Identify the CPU turbo-cooler fan to be removed and unplug the fan power cord from the cell board. 8. By inserting a screwdriver or pen between the fan blades, gently depress the two amber tabs underneath. Once the two tabs are depressed the fan will pop up. See Figure 6-37. Figure 6-37 Heatsink with Turbo-Cooler Fan Removed 146 Removal and Replacement

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NOTE:
If the firmware or programmable hardware versions are not at or above the
minimum versions, go to one of the following websites to obtain the latest Firmware Release
Notice and firmware patches:
Internal web site:
are_patches/hp/cpu
External web site:
are_patches/hp/cpu
The Firmware Update Release notice is included in the download bundle and includes the
upgrade instructions.
23.
Power up the nPartition. See Appendix E ‘Operating System Boot and Shutdown’ for details.
24.
Use the MP>PS: command to verify proper operation of the cell board.
Removing and Replacing a Processor Turbo-Cooler Fan
The processor turbo-cooler fans are located on the cell boards.
Removing a Turbo-Cooler Fan
1.
Prepare an ESD safe work surface large enough to accommodate the cell board.
2.
Identify the partition and cell to be removed.
3.
Power down the nPartition and remove the cell with the fan to be replaced following the
instructions found in “Removing and Replacing a Cell Board” on
(page 117)
.
4.
Place the cell board on the ESD safe work surface.
5.
If necessary, loosen the four captive screws that secure the DIMM cover, remove the cover
and set it aside.
6.
If so equipped, loosen the captive screws on the CPU cover, remove the cover and set it
aside.
7.
Identify the CPU turbo-cooler fan to be removed and unplug the fan power cord from the
cell board.
8.
By inserting a screwdriver or pen between the fan blades, gently depress the two amber
tabs underneath. Once the two tabs are depressed the fan will pop up. See
Figure 6-37
.
Figure 6-37 Heatsink with Turbo-Cooler Fan Removed
146
Removal and Replacement