Appendix 113
Connectors
External connectors:
Video
15-hole connector
Network adapter
RJ-45 connector
USB
two front-panel and four back-panel USB 2.0-compliant
connectors
Audio
six connectors for 7.1 support
System board connectors:
Serial ATA
four 7-pin connectors
Internal USB device
one 10-pin connector (supports two USB ports)
Floppy drive
one 34-pin connector
Fan
one 5-pin connectors
PCI 2.3
two 124-pin connectors
PCI Express x1
one 36-pin connector
PCI Express x16
one 164-pin connector
Front panel
one 40-pin connector
Processor
one 940-pin connector
Memory
four 240-pin connectors
Power 12V
one 4-pin connector
Power
one 24-pin connector
Controls and Lights
Front of computer:
Power button
push button
Power light
green light — Blinking green in sleep state; solid green for power-
on state.
amber light — Blinking amber indicates a problem with the power
supply inside the computer. If the system cannot boot and there is
a solid amber light, this indicates a problem with the system board
(see "Power Problems" on page 47).
Diagnostic lights
four lights on the front panel (see "Diagnostic Lights" on page 53.)
Standby power light
AUX_PWR_LED on the system board
Hard-drive activity light
green light — When the computer is reading data from or writing
data to the hard drive.
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