Bios ROM

Connectors (continued)

System board connectors:

Serial ATA (hard drive)	one 7-pin connector
Serial ATA (NVRAM	one 22-pin connector
module)
Fan	one 5-pin connector
Mini-PCI Express X1	one 52-pin connector
Front panel LED	one 14-pin connector
Front panel USB	two 10-pin connectors
Front panel audio	one 12-pin connector
Memory	two 240-pin connectors
Power 12 V	one 4-pin connector
BIOS ROM	one 8-pin socket
Serial ATA hard drive	one 4-pin connector
power

Controls and Lights

Front of computer:
Power button	push button
Power light (within the	blue light — Blinking blue in sleep state; solid blue
power button)	for power on state.
	amber light — 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 page 17).
Network link light	blue light - A solid blue light indicates network
	connectivity.
Wireless light	blue light - A solid blue light indicates the wireless
	network is powered on.
Diagnostic lights (1–4)	See your Service Manual for information about
	diagnostic light codes.

Specifications