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12
Power Supply
To replace the power supply:
1. Open the unit and remove the face plate as described in Chapter 1.
2. Disconnect all power cables from the internal devices (riser card, floppy disk drive, internal disk
drive bay, vertical and horizontal disk drive bays, and speaker).
3. Disconnect the AC power cable from the rear of the power supply. (The AC power cable is
routed from the line filter).
4. Remove the floppy drive and the horizontal drive bay. Refer to the respective procedures earlier
in this chapter.
5. Disconnect the speaker cable and remove the speaker. (Any system with the MSMT378 system
board does not have a speaker). Refer to the “Speaker” procedure later in this chapter.
6. Remove the screw securing the power supply to the base unit.
7. Pull the power supply forward until it disengages; lift up to remove it.
Screw
Power Supply
Riser Card Brace