Compaq 486 Maintenance And Service Manual page 73

3. Using a Torx T-15 screwdriver, remove the screws securing the diskette
drive cage; then swing the drive cage out (Figure 5-17).
4. Using a Torx T-15 screwdriver, remove four screws securing the diskette
drive to the drive cage (Figure 5-17).
To replace the diskette drive, reverse the steps in the above illustration.
Fixed Disk Drive
To remove the fixed disk drive, complete the following steps:
1. Remove the base panel (Section 5.12).
2. Carefully disconnect the two cables from the fixed disk drive
(Figure 5-18).