Microprocessor - Compaq DESKPRO 2000 SERIES Maintenance & Service Manual

5.1.10.2 Microprocessor

To remove the microprocessor from the system board, complete the following steps:
1. Perform preparation procedures described in Section 5.1.3.
2. Remove the system unit cover (Section 5.1.6).
WARNING:
To reduce the risk of personal injury from hot surfaces, allow the internal
!
system components to cool before touching.
CAUTION:
When replacing a Pentium processor, you must release the heatsink
retaining clip before you pull the ZIF socket handle. This clip engages the processor
socket to hold the heatsink in place.
3. If this is a Pentium-based system board, remove the front bezel (Section 5.1.15.1) and the drive cage
(Section 5.1.20).
If this is a Pentium Pro-based system board, remove any outboard expansion boards that interfere
with the processor (Section 5.1.8).
4. Remove the heatsink retaining clip
from the safety catch.
5. Lift the heatsink 2 off the processor.
6. Release the original processor from the socket by pulling the handle on the ZIF socket out
upward 4 .
7. Lift the processor 5
Figure 5-20. Removing the Microprocessor from the System Board
CAUTION: When replacing the processor, be sure that the clipped corner of the
processor (location of Pin 1) is aligned with the triangular area of the ZIF socket (hinged
corner). Failure to do so could result in burning out both the processor and the system
board.
1 by pressing down on the clip's extended tab until it releases
out of the socket.
3 and
Compaq Deskpro 2000 5-23