Specifications

3. Swing the diskette drive cage up.
4. Disconnect the internal power-supply cables.
5. Remove the two screws that secure the power supply to the chassis.
6. Lift the power supply out of the chassis.
To
replace the power supply, reverse the previous steps.
Microprocessor/fan-sink assembly
Before you begin:
v Read “Safety information” on page 129.
v Read “Installation guidelines” on page 31.
v Review the information in “System reliability considerations” on page 31.
Complete
the following steps to remove the microprocessor and fan-sink assembly:
1. Turn off the computer and attached devices; then, disconnect all external cables
and power cords. See “Turning off the computer” on page 10.
2. Remove the cover and the frame-support bracket (see“Removing the cover” on
page 34 and “Removing and installing the support bracket” on page 35).
3. Remove the air baffle (see “Baffle” on page 75).
4. Rotate the CD-ROM drive cage up.
5. Disconnect any cables that impede access to the microprocessor.
Note: The fan and underlying heat sink are attached and do not need to be
separated from each other. Remove the fan-sink assembly from the
microprocessor as a single unit.
80 IBM IntelliStation M Pro Types 6220 and 6230: Hardware Maintenance Manual