Compaq 400 486 DX2/40 MHZ 250 MB 4 MB 9.5, 400C 486 DX2/40 MHZ 250 MB 4 MB 9.5, 400CX 486 DX2/40 MHZ 250 MB 4 MB 8.4, 410 486 DX2/50 MHZ 250 MB 4 MB 9.5, 410C 486 DX2/50 MHZ 250 MB 4 MB 9.5, 410C 486 DX2/50 MHZ 350 MB 4 MB 9.5, 410CX 486 DX2/50 MHZ 350 MB 4 MB 8.4, 420C 486 DX4/75 MHZ 350 MB 4 MB 10.4, 420C 486 DX4/75 MHZ 420 MB 8 MB 10.4, 420CX 486 DX4/75 MHZ 420 MB 8 MB 10.4, 430C 486 DX4/100 MHZ 420 MB 8 MB 10.4, 430C 486 DX4/100 MHZ 720 MB 8 MB 10.4, 430CX 486 DX4/100 MHZ 720 MB 8 MB 10.4 Chapter 3.15 The System Board (All Models)

4. Reconnect the Diskette Drive Cable and reinstall the three screws.

To remove the system board, follow these steps:

1.Disconnect all power from the computer and remove the AC Adapter and battery pack (Section 3.2).

2.Remove the hard drive (Section 3.5).

3.Remove the memory expansion board, if installed (Section 3.6).

4.On the rear of the computer, use a hex socket driver to remove the six screw locks (Figure 3-48).

5.Using a Torx-T8 driver, remove the two alignment screws from the docking base connector (Figure 3-48).