Specifications 41
Processor fan
mini tower, desktop, and small
form factor
one 5-pin connector
ultra small form factor
two 5-pin connectors
Hard-drive fan
small form factor
one 5-pin connector
ultra small form factor
one 3-pin slim connector
Front panel control
one 40-pin connector
Processor
one 775-pin connector
Power 12 V
one 4-pin connector
Power
one 24-pin connector
Controls and Lights
Front of computer:
Power bu tton
push button
Power light
green light — Blinking green in sleep state; solid
green for power-on state.
amber light — The blinking amber indicates a
problem with the system board. A solid amber light
when the computer does not start indicates that the
system board cannot start initialization. This could be
a system board or a power supply problem (see "Power
Problems" on page46).
Drive activity light
green light — A blinking green light indicates that the
computer is reading data from or writing data to the
SATA hard drive or CD/DVD.
Network connectivity light
green light — A good connection exists between the
network and the computer.
off (no light) — The computer is not detecting a
physical connection to the network.
Connectors (continued)
book.book Page 41 Friday, October 17, 2008 4:02 PM