Dell OptiPlex GX1p - Manual (Page 39)

Expansion Subsystem: Dell™ OptiPlex™ GX1p
Midsize Chassis Riser Board | Mini Tower Chassis Riser Board
Midsize Chassis Riser Board
ISA1 shares its card-slot opening with PCI4, and ISA2 shares its card-slot opening with PCI5. The riser board is active, incorporating PCI-to-PCI bridging. The riser
board includes the P1 connector (for connecting the NIC to the riser cable) and an LED. If the LED is on, the riser board is receiving power; if it is off, the riser board
is not receiving power.
Mini Tower Chassis Riser Board
ISA1 shares its card-slot opening with PCI4, and ISA2 shares its card-slot opening with PCI5. The riser board is active, incorporating PCI-to-PCI bridging. The riser
board includes the P1 connector (for connecting the NIC to the riser cable) and an LED. If the LED is on, the riser board is receiving power; if it is off, the riser board
is not receiving power.