5.10 QPDC Replacement
5.10.1 Remove 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. Remove the blade from the cabinet.
2. Remove the T15 Torx screws that attach the shroud to the blade and remove the shroud.
3. Remove the T10 Torx screws that attach the air diffuser bracket to the blade and remove the bracket.
4. Disconnect the power cable connectors (press the release tab and pull cable straight out) and remove the
power cable assembly.
5. Locate the defective QPDC and remove the processor air ducts covering it.
6. Remove the standoffs (8) that attach the QPDC to the blade with the adjustable torque driver.
The bit holder on the torque driver is the same size as the standoff.
7. Grasp the edges of the QPDC and carefully wiggle the circuit board while pulling straight up to remove it from
the blade.
8.
CAUTION:
●
Equipment damage
●
Carefully place the defective QPDC on a soft, ESD-safe surface with the components facing
upward. Place the QPDC down directly and do not drag the QPDC on the surface. Failure to do
so can lead to component damage.
Place the QPDC on an ESD-safe surface with components facing upward.
Compute and IO Blade Procedures
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