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PCI Express (x1)
connector
one x1
connector size
36 pins
connector data width (maximum)
1 PCI Express lane
PCI Express (x4)
connector
one x4 (x8 connector wired as x4 electrically)
connector size
98 pins
connector data width (maximum)
4 PCI Express lanes
PCI Express (x16)
connector
one x16
connector size
164 pins
connector data width (maximum)
16 PCI Express lanes
Drives
Externally accessible:
two 3.5-inch drive bays (FlexBay)
two 5.25-inch drive bays
Available devices
serial ATA drives, floppy drive, Media Card Reader,
DVD drive, and DVD/CD-RW combo drive
Internally accessible:
two 3.5-inch hard-drive bays
Connectors
External connectors:
Video (external card)
15-pin VGA connector
28-pin DVI connector
Network adapter
RJ-45 connector
USB
two front-panel, six back-panel, and two internal USB
2.0-compliant connectors.
Audio
seven back-panel connectors for line-in, line-out,
microphone, rear surround, side surround,
center/subwoofer Low Frequency Effects (LFE)
channel, and S/PDIF; two front-panel connectors for
headphones/microphone
System board connectors:
Serial ATA
six 7-pin connectors
FlexBay Drive
USB 9-pin header for optional Media Card Reader
(3.5-inch bay devices)
Fan
5-pin connectors
PCI
three 120-pin connectors
PCI Express x1
36-pin connector
PCI Express x4 /x8
98-pin connector
PCI Express x16
164-pin connector
Thermal sensor 1x2
2-pin connector
PS/2 and serial port connector 2x12
24-pin connector
Floppy
33-pin connector
ControlsandLights
Power control
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 Lights).
Hard-drive access light
green
Link integrity light (on integrated network adapter)
green light — A good connection exists between a
10-Mbps network and the computer.