IBM System x3650 M3 4255 - System-Board Optional Device Connectors; PCI Riser-Card Adapter Connectors; PCI Riser-Card Assembly Leds

System-board optional device connectors
The following illustration shows the connectors for user-installable options.
PCI riser-card adapter connectors
The following illustration shows the connectors on the PCI riser card for
user-installable PCI adapters.
PCI riser-card assembly LEDs
The following illustration shows the light-emitting diodes (LEDs) on the PCI
riser-card assembly.
22 IBM System x3650 M3 Types 4255, 7945, and 7949: Problem Determination and Service Guide