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x16 slot bidirectional speed — 8 GB/s
PCI
connector
three
connector size
120 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
connectors
one x16
connector size
164 pins
connector data width (maximum)
16 PCI Express lanes
Drives
Externally accessible:
two 3.5-inch drive bays
two 5.25-inch drive bays
Available devices
Serial ATA drive, floppy drive, Zip drive, USB memory
devices, CD drive, CD-RW drive, DVD drive, DVD-RW
drive, and DVD and CD-RW combo drive
Internally accessible:
two bays for 1-inch high hard drives
Connectors
External connectors:
Serial
9-pin connector; 16550C-compatible
Parallel
25-hole connector (bidirectional)
Video
15-hole connector
Network adapter
RJ45 connector
PS/2 (keyboard and mouse)
two 6-pin mini-DIN connectors
USB
two front-panel and six back-panel USB 2.0–
compliant connectors
Audio
five connectors for line-in, line-out, microphone,
surround, and center/Low Frequency Effects (LFE)
channel; one front-panel connector for headphones
System board connectors:
Primary IDE drive
40-pin connector on PCI local bus
Serial ATA
four 7-pin connectors
Floppy drive
34-pin connector
Fan
two 5-pin connectors
PCI 2.3
120-pin connector
PCI Express x1
36-pin connector
PCI Express x16
164-pin connector
Telephony (TAPI)
4-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 an installed device; solid amber indicates an
internal power problem (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.