Dell OptiPlex GX300 - Manual (Page 86)

Diskette drive 34-pin connector
CD-ROM drive audio interface 4-pin connector
Remote Wakeup 3-pin connector
Fan 3-pin connector
Telephony 4-pin connector
Key Combinations
<Ctrl><Alt><Del> restarts (reboots) the system
<F2> starts System Setup (during power-on self-test [POST] only)
<Ctrl><Alt><\>
toggles microprocessor speeds on 101-key keyboard (in MS-DOS ® real mode only)
<Ctrl><Alt><#>
toggles microprocessor speeds on 102-key keyboard (in MS-DOS real mode only)
<Ctrl><Enter> disables the system password at start-up
Controls and Indicators
Reset control push button
Power control push button
Power indicators green light-emitting diode (LED) on riser board; blinking green in sleep state; dual-color
LED on front panel
—green for power, yellow for diagnostics
Hard-disk drive access indicator green LED
Link integrity and speed indicator (on integrated
NIC connector) green LED for 10-Mb operation; orange LED for 100-Mb operation
Activity indicator (on integrated NIC connector) yellow LED
Power
DC power supply:
Wattage 230 W
Heat dissipation 913 British thermal units (BTUs) (fully loaded system without monitor)
Voltage 90 to 135 volts (V) at 60 hertz (Hz); 180 to 265 V at 50 Hz
Backup battery 3-V CR2032 coin cell
Physical
Height 44.4 centimeters (cm) (17.5 inches)
Width 20.6 cm (8.1 inches)
Depth 43.7 cm (17.2 inches)
Weight
15 kilograms (kg) (33.0 pounds [lb]) or more, depending on options installed
Environmental
Temperature: