Dell Precision T1650 (Mid 2012) - Manual (Page 52)

Feature Specification
PCI Express x16 data width (maximum) — 16 PCI Express
lanes one 164-pin connector
Serial ATA four 7-pin connectors
Memory four 240-pin connectors
Internal USB one 10-pin connector
System Fan one 5-pin connector
Front panel control one 6 pins and two 20 pins connectors
Thermal Sensor one 2-pin connector
Processor one 1155-pin connector
Processor Fan one 5-pin connector
Service mode jumper one 2-pin connector
Password clear jumper one 2-pin connector
RTC reset jumper one 2-pin connector
Internal speaker one 5-pin connector
Intruder connector one 3-pin connector
Power connector: one 24-pin and one 4-pin connector
Table 24. Controls and Lights
Feature Specification
Front of the computer:
Power button light White light — Solid white light indicates power-on state;
blinking white light indicates sleep state of the computer.
Drive activity light White light — 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 good 10 Mbps connection exists between the
network and the computer.
Orange — a good 100 Mbps connection exists between
the network and the computer.
Yellow — a good 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.
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