If the link integrity light is off (see "controls – Dell XPS 720 H2C (Mid 2007) User Manual

Page 165

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Appendix

165

Drives

Available devices

Serial ATA drive, floppy drive, memory devices, Blu-ray™ Disc
drive, DVD drive, DVD-RW drive, CD-RW/DVD combo drive,
and media card reader

Externally accessible:

two 3.5-inch drive bays

four 5.25-inch drive bays

Internally accessible:

four 3.5-inch drive bays for hard drives

Connectors

External connectors:

IEEE 1394

front and back-panel 6-pin serial connectors

Network adapter

RJ45 connector

PS/2 (keyboard and mouse)

two 6-pin mini-DIN

USB

two front-panel, six back-panel, and two internal
USB 2.0–compliant connectors

System board connectors:

IDE drive

one 40-pin connector

Serial ATA

six 7-pin connectors

Floppy drive

34-pin connector

Fan

three 5-pin connectors

Liquid cooling (optional)

one 12-pin connector

PCI

three 124-pin connectors

PCI Express x1

36-pin connector

PCI Express x16 (SLOT7); card
length up to 17.8 cm (7 inches
only)

164-pin connector

PCI Express x16

three 164-pin connectors

Controls and Lights

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.

Hard-drive access light

green

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