Dell OptiPlex 980 Service Manual page 7

Video
System Board Connectors
PCI 2.3 data width (maximum) — 32 bits
Mini-tower
Desktop
Small form factor
PCI Express x16 (wired as x4) data width (maximum) — four PCI Express lanes
Mini-tower
Desktop
Small form factor
PCI Express x16 data width (maximum) — 16 PCI Express lanes
Mini-tower
Desktop
Small form factor
Serial ATA
Mini-tower
Desktop
Small form factor
Memory
Internal USB
Processor fan
Front I/O
Front panel control
Processor
Power 12V
Power
Internal serial card
Internal speaker
PCI Express x1 (wireless card)
Thermal sensor
Intruder connector
Controls and Lights
Front of the computer
Power button
Power light
one 15-hole VGA connector
one 20-pin DisplayPort connector
two 120-pin connectors
two 120-pin connectors
one 120-pin connector
one 164-pin connector
one 164-pin connector
not applicable
one 164-pin connector
one 164-pin connector
one 164-pin connector
four 7-pin connectors
three 7-pin connectors
three 7-pin connectors
four 240-pin connectors
one 10-pin connector (supports two USB
ports)
one 5-pin connector
one 26-pin connector
one 14-pin connector
one 1156-pin connector
one 4-pin connector
one 24-pin connector
one 14-pin connector
one 5-pin connector
one 36-pin connector
one 2-pin connector
one 3-pin connector
push button
blinking blue — indicates that the
computer is in sleep state.
solid blue — indicates that the computer
is in power-on state.
blinking amber — indicates a problem
with the system board.
solid amber (when the computer does not