Feature Specification
Front panel control 5-pin connector
Processor 1151-pin connector
Processor fan 4-pin connector
Service mode/Password clear/RTC reset
jumper
6-pin connector
Internal speaker 4-pin connector
Intruder connector 3-pin connector
Power connector
One 8-pin for PSU, one 4-pin for CPU, one 8-pin for
SATA power
Table 30. Controls and lights
Feature Specification
Front of the computer
Power button light White light — Solid white light indicates power-on state;
slow blinking white light indicates sleep state of the
computer.
Drive activity light White light — Slow blinking white light indicates that the
computer is reading data from or writing data to the
hard drive.
Back of the computer
Link integrity light on integrated network
adapter
• 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.
Network activity light on integrated
network adapter
Yellow light — A blinking yellow light indicates that
network activity is present.
Power supply diagnostic light 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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