Dell OptiPlex GXa Service Manual - Page 26

Mini Tower Computer’s Expansion-Card Slots,

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ISA2 connector ISA1 connector HDLED connector PCI5 connector PCI4 connector PCI3 connector PCI2 connector PCI1 connector Figure 1-11. Riser Board for the Midsize Computer (Option 2) If you have an EM version of the OptiPlex GXa midsize computer, the riser board includes the P1 connector (for connecting the NIC to the riser cable) and an LED (see Figure 1-12). If the LED is on, the riser is receiving power; if off, the riser is not receiving power. LED HDLED connector ISA3 connector ISA2 connector ISA1 connector PCI3 connector P1 PCI2 connector PCI1 connector Figure 1-12. EM Riser Board for the Midsize Computer Mini Tower Computer's Expansion-Card Slots The mini tower computers have seven expansion-card slots. The riser board has four ISA expansion-card connectors and five PCI expansion-card connectors. Two PCI expansion-card connectors share expansion-card slots with two ISA connectors, resulting in a total of seven expansion-card slots (see Figure 1-13). The riser board is active, incorporating PCI-to-PCI bridging. 1-14 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual

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Dell OptiPlex GXa and OptiPlex NX Systems Service Manual
Figure 1-11.
Riser Board for the Midsize Computer (Option 2)
If you have an EM version of the OptiPlex GXa midsize computer, the riser
board includes the P1 connector (for connecting the NIC to the riser cable) and
an LED (see Figure 1-12). If the LED is on, the riser is receiving power; if off,
the riser is not receiving power.
Figure 1-12.
EM Riser Board for the Midsize Computer
Mini Tower Computer’s Expansion-Card Slots
The mini tower computers have seven expansion-card slots. The riser board has
four ISA expansion-card connectors and five PCI expansion-card connectors.
Two PCI expansion-card connectors share expansion-card slots with two ISA
connectors, resulting in a total of seven expansion-card slots (see Figure 1-13).
The riser board is active, incorporating PCI-to-PCI bridging.
ISA1
connector
ISA2
connector
PCI3
connector
PCI2
connector
PCI1
connector
PCI4
connector
PCI5
connector
HDLED
connector
HDLED
connector
ISA3
connector
ISA2
connector
ISA1
connector
PCI3
connector
PCI2
connector
PCI1
connector
P1
LED