Dell OptiPlex GX270 - Manual (Page 173)

USB two front-panel and six 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
Secondary IDE drive 40-pin connector
Serial ATA 7-pin connector
Secondary Serial ATA (not available on the
small form-factor or small desktop computers)
7-pin connector
Floppy drive 34-pin connector
CD drive audio interface 4-pin connector
Serial 12-pin connector for optional 2nd serial port card
Fan 3-pin connector
PCI 2.2 120-pin connector
Front audio 10-pin connector
Front panel 34-pin connector
Key Combinations
<Ctrl><Alt><Del> restarts the computer
<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)
<F2> or <Ctrl><Alt><Enter> starts embedded system setup (during start-up only)
<F3> automatically starts the computer from the network
environment specified by the remote boot
environment (PXE) rather than from one of the
devices in the system setup Boot Sequence option
(during start-up only)
<F12> or <Ctrl><Alt><F8> displays a one-time boot menu that lets the user
enter a device for a single boot (during start-up only)
<Ctrl><Alt><F10> launches the utility partition (if installed) during
computer start-up
<Ctrl><Alt><D> launches the hard-drive diagnostics utility during
computer start-up
Controls and Lights
Power control 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
an installed device; solid amber indicates an internal
power problem (see "
Power Problems ")
Hard-drive access light green
Link integrity light (on integrated network adapter) green light for 10-Mb operation; orange light for 100-
Mb operation; yellow light for a 1000-Mb (1-Gb)
operation
Activity light (on integrated network adapter) yellow blinking light
Diagnostic lights four lights on the back panel
Standby power light AUX_PWR on the system board
Power
DC power supply:
Wattage small form-factor computer: 160 W
small desktop computer: 210 W
small mini-tower computer: 250 W
Heat dissipation small form-factor computer: 455 BTU/hr
small desktop computer: 500 BTU/hr
small mini-tower computer: 910 BTU/hr
Voltage 90 to 135 V at 50/60 Hz; 180 to 265 V at 50/60 Hz
Backup battery 3-V CR2032 lithium coin cell
Physical
Small form-factor computer:
Height 9.0 cm (3.57 inches)