66 Installing Upgrades
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NOTE: To meet PC99
requirements, your Dell
computer uses only PCI
expansion slots. Industry-
Standard Architecture
(ISA) expansion cards are
not supported.
NOTICE: Before disconnecting a device from the computer or removing a
component from the system board, verify that the standby power light on the
system board has turned off.
Installing an Expansion Card
CAUTION: Before you perform this procedure, see “Safety
Instructions.”
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see “System
Board Components.”
1
If you are replacing an expansion card, remove the current driver for
the expansion card from the operating system.
2 Turn off the computer and devices, disconnect them from their
electrical outlets, wait 10 to 20 seconds.
3 Open the computer cover.
4 If you have a small desktop computer, remove the expansion-card cage.
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