IBM 8646 Hardware Maintenance Manual - Page 72

Removing a microprocessor, Press down on the clip to remove the fan-sink retainer from the fan sink.

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1) If you installed the microprocessor in connector (U11), press down on the latches on either side of connector (J12), and install the VRM in connector (J12). 2) If you installed the microprocessor in connector (U12), press down on the latches on either side of connector (J42), and install the VRM in connector (J42). b. Make sure that the VRM is oriented and aligned correctly. c. Press the VRM into the connector. Note: If you remove the microprocessor later, remember to install the terminator card in the appropriate microprocessor connector and to remove the VRM from the appropriate VRM connector. 10. If you have other options to install or remove, do so now; otherwise, replace the support bracket assembly; then, go to "Installing the cover" on page 65. Removing a microprocessor To remove a microprocessor, do the following: Note: Do not use any tools when removing the microprocessor; however, you will need a small, flat-blade screwdriver to remove the fan-sink retainer (clip). Attention: When you handle static-sensitive devices, take precautions to avoid damage from static electricity. For details on handling these devices, see "Handling static-sensitive devices" on page 114. 1. Review the safety precautions in Statement 1 and Statement 5 in "Safety information" on page 111. 2. Turn off the server and all attached devices, disconnect all power cords and then all external cables; then, remove the side cover (see "Removing the side cover" on page 45 for details). 3. Carefully remove the support bracket assembly from the server (see "Removing the support bracket assembly" on page 47). Store the cover and the support bracket assembly in a safe place. 4. Remove the fan-sink. a. Press down on the clip to remove the fan-sink retainer from the fan sink. b. Firmly grasp the fan sink and lift it off the microprocessor. Store the fan sink in a safe, clean place with the bottom side up. The thermal material on the fan sink must stay clean if you intend to reuse the fan sink in the future. c. Disconnect the fan sink power cable from the appropriate connector on the system board: v If you are removing the microprocessor from connector (U11), disconnect the fan-sink power cable from connector (J2). v If you are removing the microprocessor from connector (U12), disconnect the fan-sink power cable from connector (J3). 5. Lift up the release lever and remove the microprocessor from the connector. Store the microprocessor in a static-protective bag for possible future use. 6. If you are installing a new microprocessor, go to "Installing a microprocessor" on page 62. 7. If you are not replacing the microprocessor: a. Reinstall the terminator card in the empty microprocessor connector. b. Press the release lever down to lock the terminator card into place. c. Remove the VRM from the appropriate VRM connector: 64 Hardware Maintenance Manual: xSeries 220 Type 8646

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1)
If you installed the microprocessor in connector (U11), press down on
the latches on either side of connector (J12), and install the VRM in
connector (J12).
2)
If you installed the microprocessor in connector (U12), press down on
the latches on either side of connector (J42), and install the VRM in
connector (J42).
b.
Make sure that the VRM is oriented and aligned correctly.
c.
Press the VRM into the connector.
Note:
If you remove the microprocessor later, remember to install the
terminator card in the appropriate microprocessor connector and to
remove the VRM from the appropriate VRM connector.
10.
If you have other options to install or remove, do so now; otherwise, replace
the support bracket assembly; then, go to
“
Installing the cover
”
on page 65.
Removing a microprocessor
To remove a microprocessor, do the following:
Note:
Do not use any tools when removing the microprocessor; however, you will
need a small, flat-blade screwdriver to remove the fan-sink retainer (clip).
Attention:
When you handle static-sensitive devices, take precautions to avoid
damage from static electricity. For details on handling these devices, see
“
Handling
static-sensitive devices
”
on page 114.
1.
Review the safety precautions in Statement 1 and Statement 5 in
“
Safety
information
”
on page 111.
2.
Turn off the server and all attached devices, disconnect all power cords and
then all external cables; then, remove the side cover (see
“
Removing the side
cover
”
on page 45 for details).
3.
Carefully remove the support bracket assembly from the server (see
“
Removing
the support bracket assembly
”
on page 47). Store the cover and the support
bracket assembly in a safe place.
4.
Remove the fan-sink.
a.
Press down on the clip to remove the fan-sink retainer from the fan sink.
b.
Firmly grasp the fan sink and lift it off the microprocessor. Store the fan
sink in a safe, clean place with the bottom side up. The thermal material on
the fan sink must stay clean if you intend to reuse the fan sink in the future.
c.
Disconnect the fan sink power cable from the appropriate connector on the
system board:
v
If you are removing the microprocessor from connector (U11), disconnect
the fan-sink power cable from connector (J2).
v
If you are removing the microprocessor from connector (U12), disconnect
the fan-sink power cable from connector (J3).
5.
Lift up the release lever and remove the microprocessor from the connector.
Store the microprocessor in a static-protective bag for possible future use.
6.
If you are installing a new microprocessor, go to
“
Installing a microprocessor
”
on page 62.
7.
If you are not replacing the microprocessor:
a.
Reinstall the terminator card in the empty microprocessor connector.
b.
Press the release lever down to lock the terminator card into place.
c.
Remove the VRM from the appropriate VRM connector:
64
Hardware Maintenance Manual: xSeries 220 Type 8646