
5.10.2 Install a QPDC
Prerequisites
Tools Required:
Adjustable torque driver, 5–40 in-lbs
T15 Torx bit
T10 Torx bit
Dusting gas
Time Required:
15 minutes to remove and replace a populated QPDC
30 minutes to remove a QPDC, transfer the DIMMs and processors to an unpopulated
spare QPDC, and install the QPDC
About this task
If installing a spare QPDC, transfer the DIMMs and processors from the defective QPDC to the new QPDC.
Procedure
1. Position the replacement QPDC on the blade and press down firmly in the area of the connector to seat it in
the connector on the blade.
2. Hand tighten the standoffs (8) that attach the QPDC to the blade. Torque the standoffs to 14 in-lbs.
The bit holder on the torque driver is the same size as the standoff.
3. Record the location of the DIMMs and processors on the defective QPDC to reinstall them in the same
locations on the replacement QPDC.
4. Remove the processors, DIMMs, and VRMs from the defective QPDC.
5. Install the processors, DIMMs, and VRMs on the replacement QPDC.
6. Replace the processor air ducts.
7. Install the power cable assembly.
a. Position the power cable assembly on the blade.
b. Insert the two tabs on the center of the cable into the standoffs on the blade.
c. Reconnect the cable connectors.
8. Replace the air diffuser bracket and reinstall the T10 Torx screws. Torque screws to 5.5 in-lbs.
9. Replace the shroud and reinstall the T15 Torx attachment screws. Torque to 9 in-lbs.
10. Reinstall the blade into the cabinet.
Compute and IO Blade Procedures
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