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connector size
124 pins
connector data width (maximum)
32 bits
PCI Express
connector
one x1
connector size
36 pins
connector data width (maximum)
1 PCI Express lane
PCI Express
connector
one x16
connector size
164 pins
connector data width (maximum)
16 PCI Express lanes
Drives
Externally accessible:
Bays
one 3.5-inch drive bay (FlexBay)
two 5.25-inch drive bays
Available devices
Serial ATA drives (4), floppy drive, USB memory
devices, CD/DVD drive, and Media Card Reader
Internally accessible:
two bays for 1-inch high serial ATA hard drives
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
ControlsandLights
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" in your Owner's Manual).
Diagnostic lights
four lights on the front panel (see Diagnostic Lights.)
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.
LAN indicator light
green light — Solid green indicates that a LAN (local
area network) connection is established.
Rear of computer:
Link integrity light (on integrated network
adapter)
green light — A good connection exists between a 10
Mbps network and the computer.