HP 330 Service Information Manual page 54

Procedures
1. If the disc interface add-on is to be removed, slide and rotate the HP-IB cable retaining
plate counterclockwise, then remove the cable connector from the side of the high-speed
disc interface add-on board.
2. Remove the four screws holding the add-on board to its main assembly.
3. Pull the add-on board straight up and away from its main assembly.
4. To install an add-on board, reverse steps 1, 2, and 3.
Note
If the amount of RAM in the computer is changed, RAM must be
reconfigured. Refer to the RAM configuration section in Chapter 3 of
this manual, the RAM Board Installation Note, or Chapter 3 in the
Service Handbook.
010 Accessory Cards
Preliminary Requirements
1. Turn the unit off.
2. Remove the power cord.
Procedures
1. If the card is behind a slot cover, remove the slot cover.
2. If the card is above and behind another card's rear panel, disconnect the cables from the
card's panel, then remove the card.
3. Raise the card's ejector levers with your finger tips and unseat the card from the unit's
DIO backplane connector.
4. Remove the card.
Note
Before installing DIO accessory cards, ensure they are correctly con-
figured for the application and/or peripherals. Refer to the DIO ac-
cessory's Installation Note for the correct configuration.
5. To install the DIO accessory card, reverse steps 1, 2, 3, and 4.
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Assembly Replacement