Compaq 400 486 DX2/40 MHZ 250 MB 4 MB 9.5 Personal Computer User Manual


 
19. To replace the system board, reverse the previous steps.
To replace the System Board, follow these steps:
IMPORTANT: When installing a new system board, make sure that the
insulator is placed between the system board and the diskette
drive. The gasket over the Keyboard connector must be tucked
under the Chassis.
IMPORTANT: When replacing the system board, the screws must be replaced as
follows:
1. Replace the two alignment screws on the rear of the system unit module
to align the system board (Figure 3-57).