Feature
Processor
Processor fan
Service mode jumper
Password clear jumper
RTC reset jumper
Internal speaker
Intruder connector
Power connector
Table 30. Controls and lights
Feature
Front of the computer:
Power button light
Drive activity light
Back of the computer:
Link integrity light on integrated network
adapter
Network activity light on integrated
network adapter
Power supply diagnostic light
Specification
1151-pin connector
4-pin connector
2-pin connector
2-pin connector
2-pin connector
4-pin connector
3-pin connector
One 8-pin for PSU, one 4-pin for CPU, one 8-pin for
SATA power
Specification
White light — Solid white light indicates power-on state;
slow blinking white light indicates sleep state of the
computer.
White light — Blinking white light indicates that the
computer is reading data from or writing data to the
hard drive.
•
Green — a 10 Mbps connection exists between the
network and the computer.
•
Green — a 100 Mbps connection exists between the
network and the computer.
•
Orange — a 1000 Mbps connection exists between
the network and the computer.
•
Off (no light) — the computer is not detecting a
physical connection to the network.
Yellow light — A blinking yellow light indicates that
network activity is present.
Green light — The power supply is turned on and is
functional. The power cable must be connected to the
power connector (at the back of the computer) and the
electrical outlet.
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