Dell PY349, DCSM owner manual 109, Connectors, Controls and Lights

Connectors

External connectors:

Video	15-hole connector
Network adapter	RJ-45 connector
USB	two front-panel and four back-panel USB 2.0-compliant
	connectors
Audio	six connectors for 7.1 support
System board connectors:
Serial ATA	four 7-pin connectors
Internal USB device	one 10-pin connector (supports two USB ports)
Floppy drive	one 34-pin connector
Fan	one 5-pin connectors
PCI 2.3	two 124-pin connectors
PCI Express x1	one 36-pin connector
PCI Express x16	one 164-pin connector
Front panel	one 40-pin connector
Processor	one 940-pin connector
Memory	four 240-pin connectors
Power 12V	one 4-pin connector
Power	one 24-pin connector
Controls and Lights
Front of computer:
Power button	push button
Power light	green light — Blinking green in sleep state; solid green for power-
	on state.
	amber light — Blinking amber indicates a problem with the power
	supply inside the computer. If the system cannot boot and there is
	a solid amber light, this indicates a problem with the system board
	(see "Power Problems" on page 43).
Diagnostic lights	four lights on the front panel (see "Diagnostic Lights" on page 49.)
Standby power light	AUX_PWR_LED on the system board
Hard-drive activity light	green light — When the computer is reading data from or writing
	data to the hard drive.

Appendix

109