Figure 1-9, Figure 1-10 – Dell OptiPlex NX1 User Manual

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System Overview

1-15

total of five expansion-card slots (see Figure 1-9). Option 2 is an active riser
board, with a PCI-to-PCI bridge. Option 2 has two ISA expansion-card connec-
tors and five PCI expansion-card connectors. Two PCI/ISA expansion-card
connector pairs each share an expansion-card slot, again resulting in a total of
five expansion-card slots (see Figure 1-10). Both riser board options include the
P1 connector (for connecting the NIC to the riser board cable) and an LED. If
the LED is on, the riser board is receiving power; if off, the riser board is not
receiving power.

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HDLED
connector

ISA3
connector

ISA2
connector

ISA1
connector

PCI3
connector

PCI2
connector

PCI1
connector

P1 connector

LED