Dell OptiPlex GX1 Installation Manual page 33

Expansion Slots
Two riser board options are available
With the active riser board option, seven expansion-card connectors reside on the riser board. Because two expansion slots are shared, a
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maximum of five expansion cards can be installed on the riser board.
Expansion-card connectors ISA1–ISA2 support 8- or 16-bit ISA expansion cards.
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Expansion-card connectors PCI1–PCI5 support 32-bit PCI expansion cards.
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With the passive riser board option, six expansion-card connectors reside on the riser board. Because one expansion slot is shared, a
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maximum of five expansion cards can be installed on the riser board.
Expansion-card connectors ISA1–ISA3 support 8- or 16-bit ISA expansion cards.
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Expansion-card connectors PCI1–PCI3 support 32-bit PCI expansion cards.
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NOTE: On shared expansion slots, only one card of either type can be installed in the common slot.
Figure 3. Riser Board Expansion-Card Connectors
Active Riser Board Option
Passive Riser Board Option
Installing an Expansion Card
CAUTION: To avoid the possibility of electric shock, turn off the computer and any peripherals, disconnect them from their
electrical outlets, and then wait at least 5 seconds before you remove the computer cover. Also, before you install an
expansion card, see "Safety First — For You and Your
Follow this procedure to install an expansion card:
1. If you are installing a non-Plug and Play ISA expansion card, enter the ISA Configuration Utility (ICU) and add the new expansion card to your
configuration.
See "Using the ISA Configuration
NOTE: If you install a PCI or Plug and Play expansion card, your system automatically performs any required configuration tasks
during the boot routine.
2. Prepare the expansion card for installation, and remove the computer cover according to the instructions in
(Figure 3).
Computer."
Utility" for instructions.
"Removing the Computer Cover."