Compaq 486 - Chapter 5.11 I;O Board

4. Using a Torx T-10 screwdriver, remove the screw securing the fan assembly
(Figure 5-14).
5. Slide the fan assembly out (Figure 5-14).
To replace the fan assembly, reverse the steps in the above illustration.
Chapter 5.11 I/O Board
To remove the I/O board, complete the following steps:
1. Remove the rear panel (Section 5.6).
2. Remove the options cover (Section 5.7).
3. Remove the video board (Section 5.8).
4. Remove the processor board (Section 5.8).
5. Remove the power supply (Section 5.9).
6. Remove the fan assembly (Section 5.10).
7. Carefully disconnect the diskette drive cable, fixed disk drive cable,
and power cable (Figure 5-15).