Compaq Deskpro 2000 Maintenance & Service Manual page 157

To install the processor, complete the following steps:
1. Lower the processor 5 into the ZIF socket. Ensure that pin 1 on the processor aligns with pin 1
on the ZIF socket.
The location of pin 1 is indicated by a star (*) on the system board.
The handle on the ZIF socket in the picture may not look identical to the one on the
computer. All handle types perform the same function.
2. Push the ZIF handle 4 on the ZIF socket back into place to secure the processor.
3. If the processor has a raised center, install thermal pad number 243226-001 3 on top of the
processor before installing the heat sink.
If the processor has a flat center, install thermal pad number 184616-002 3 on top of the
processor before installing the heat sink.
CAUTION: Using the wrong thermal pad may cause the processor to overheat or short, resulting in failure.
4. Install the heat sink 2 and the heat sink retaining clip 1.
5. Install the riser brace.
6. Replace any cables that were removed.
7. Replace the access panel.
Pentium II System Board
To remove the microprocessor from the Pentium II system board, complete the following steps:
1. Remove the access panel (Section 6.6.1).
2. Remove any cables attached to expansion boards on the riser assembly.
3. Remove the riser brace (Section 6.7).
WARNING: To reduce the risk of personal injury from hot surfaces, allow the internal system
!
components to cool before touching.
4. Slide the system board back about 4 inches (10.2 cm) to expose the Pentium II processor.
CAUTION: Do not remove the air duct from the front of the unit. If the air duct is not installed, the
processor will run hot which can cause damage to the processor.
Compaq Deskpro 2000 Series of Personal Computers 6-15