Dell XPS Gen 3 Owner's Manual page 111

Drives (continued)
Internally accessible:
Connectors
External connectors:
Serial
Parallel
IEEE 1394
Video
Network adapter
PS/2 (keyboard and mouse)
USB
Audio
System board connectors:
Primary IDE drive
Serial ATA
Floppy drive
Fan
PCI 2.3
PCI Express x1
PCI Express x16
Telephony (TAPI)
Controls and Lights
Power control
Power light
Hard-drive access light
two bays for 1-inch high hard drives
9-pin connector; 16550C-compatible
25-hole connector (bidirectional)
front-panel 6-pin serial connector
15-hole connector
RJ45 connector
two 6-pin mini-DIN
two front-panel and six back-panel USB 2.0–compliant connectors
five connectors for line-in, line-out, microphone, surround, and
center/Low Frequency Effects (LFE) channel; two front-panel
connectors for headphones and microphones
40-pin connector on PCI local bus
four 7-pin connectors
34-pin connector
5-pin connector
four 120-pin connectors
36-pin connector
164-pin connector
4-pin connector
push button
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
Problems" on page 40).
green
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Appendix