Dell Dimension 8250 - Manual (Page 43)

PCI
connectors four
connector size 120 pins
connector data width (maximum) 32 bits
Drives
Externally accessible two 3.5-inch bays
two 5.25-inch bays
Available devices ATA-66 or ATA-100 Ultra DMA hard drive, CD drive, Zip
drive, DVD drive, CD-RW drive, DVD/CD-RW combo
drive, and DVD+RW drive
Internally accessible two bays for 1-inch–high hard drives
Connectors
Externally accessible:
Serial 9-pin connector; 16550C-compatible
Parallel 25-hole connector (bidirectional)
Video 15-hole connector
Network Adapter RJ45 connector
PS/2 (keyboard and mouse) 6-pin mini-DIN connector
USB two front-panel and six back-panel
USB 2.0–compliant connectors
Audio 2 three connectors for line-in, line-out, and microphone;
one front panel connector for headphones
System board connectors:
Primary IDE channel 40-pin connector on PCI local bus
Secondary IDE channel 40-pin connector on PCI local bus
Floppy drive 34-pin connector
Telephony (TAPI) 4-pin connector
Fan 3-pin connector
2 Present only on computers with integrated audio capabilities.
Controls and Lights
Power control push button
Power light green light on power button—blinking green in sleep
states; solid green for power-on states
Hard-drive access light green
Link integrity light (on integrated network adapter) green light for 10-Mb operation; orange light for 100-
Mb operation
Diagnostic code lights four bicolor (amber and green) located on back panel
Power
DC power supply:
Wattage 250 W
Heat dissipation 853 BTU (fully-loaded computer without monitor)
Voltage (see the safety instructions in your
Owner's Manual for important voltage setting
information) 90 to 135 V at 50/60 Hz; 180 to
265 V at 50/60 Hz; 100 V at 50/60 Hz for Japanese
computers
Backup battery 3-V CR2032 lithium coin cell
Physical
Height 42.5cm (16.7 inches)
Width 18.1 cm (7.13 inches)
Depth 44.7 cm (17.6 inches)
Weight 12.7 kg (28 lb)
Environmental
Temperature:
Operating 10º to 35ºC (50º to 95ºF) 3
Storage – 40º to 65ºC (–40º to 149ºF)
Relative humidity 20% to 80% (noncondensing)
Maximum vibration:
Operating 0.25 G at 3 to 200 Hz at 1/2 octave/min