Appendix 81
PS/2 (keyboard and mouse)
6-pin mini-DIN
USB
two front-panel and four back-panel USB 2.0–compliant
connectors
Audio
Three connectors for line-in, line-out, and microphone; one front-
panel connector for headphones
System board connectors:
Primary IDE drive 40-pin connector on PCI local bus
Secondary IDE drive 40-pin connector on PCI local bus
Floppy drive 34-pin connector
CD Audio 4-pin connector
Fan 3-pin connector
Controls and Lights
Power control Push button
Hard-drive access light Green
Link integrity light (on integrated
network adapter)
No light for 10-Mb operation; green light for 100-Mb operation
Activity light (on integrated network
adapter)
Yellow blinking light
Diagnostic lights Four lights on the back panel
Power
DC power supply:
Wattage
250 W
Heat dissipation
853 BTU/hr
NOTE: Heat dissipation is calculated based upon the power supply
wattage rating.
Voltage (see the safety instructions
located in the
Product Information
Guide
for important voltage setting
information)
manual selection power supplies — 90 to 135 V at 50/60 Hz; 180 to
265 V at 50/60 Hz
Backup battery
3-V CR2032 lithium coin cell
Connectors (continued)