Dell T1650 owner manual Front of the computer Power button light, Drive, Back of the computer

Feature	Specification
PCI Express x16 data width (maximum) — 16 PCI Express	one 164-pin connector
lanes
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	Yellow light — A blinking yellow light indicates that
adapter	network activity is present.

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