Models 830/SB2 with FC 9074 - Cards (dedicated)
For use by authorized service providers.
Use this procedure to remove or replace cards dedicated in the Models 830/SB2 with an FC 9074.
In some cases you do not need to power down the system to change PCI cards. Use the guidelines in
Models 830/SB2 with FC 9074 - Cards (concurrent) to determine if you should use dedicated or concurrent
remove and replace procedures.
Attention: The processor cards in this system can only be attached to the backplane once. If a processor
card is removed, it must be replaced with a new processor card.
CAUTION:
The circuit card contains lead solder. To avoid the release of lead (Pb) into the environment, do not
burn. Discard the circuit card as instructed by local regulations. (RSFTC234)
Attention: All cards are sensitive to electrostatic discharge. See Work with electrostatic
discharge-sensitive parts.
To remove or replace cards (dedicated):
1. Power off the system. See Power on/off the system and logical partitions.
2. Disconnect the ac power cord from the tower that you are working on.
3. Select one of the following tasks:
v If you are removing a processor capacity card or an interactive card (NB-01, NB-02), go to Models
830/SB2 with FC 9074 - System unit control panel (NB1).
v If you are removing cards in a Model 830/SB2 (FC 9074) base I/O tower, go to step 10 (See page
58).
v Otherwise, you are removing a card in the Model 830/SB2 system unit (processor drawer).
Continue with the next step.
4. You are removing a card in the Model 830/SB2 system unit (processor drawer) using dedicated
maintenance. Refer to Final assembly, rear - Models 830 and SB2 with FC 9074, and perform the
following steps:
a. Open the rear cover. See Models 830/SB2 with FC 9074 - Covers.
b. Remove the mounting screws from the EMC shield that is located directly above the lower card
enclosure in the (FC 9074) base I/O tower portion of the Model 830/SB2 system. See Final
assembly, rear - Models 830 and SB2 with FC 9074.
c. Remove the EMC shield from the frame.
d. Disconnect and label the cables that go from the lower card enclosure in the (FC 9074) base I/O
tower to the upper processor drawer in the system unit.
e. Reach through the opening and loosen the thumbscrew that is holding the safety plate to the
bottom of the processor drawer of the system unit.
Note: When reassembling the system, put the safety plate back covering the cables.
f. Disconnect and label the remaining external cables from the rear of the processor drawer.
g. Remove the screws that secure the processor drawer in the system unit to the frame. They are
located near the bottom corners of the drawer. See Final assembly, rear - Models 830 and SB2
with FC 9074.
h. Pull the drawer partially out of the frame to gain access to the cards. Continue with the next step.
5. Select one of the following tasks:
v If you are removing a processor regulator card in a Model 830/SB2 system unit (processor drawer),
go to step 6 (See page 55).
54 Hardware (Remove and Replace; Part Locations and Listings)
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