Ports, Key combinations, Controls and indicators – Dell OptiPlex GX150 User Manual
Page 103: Power
Ports
Externally accessible:
Serial (data terminal
equipment [DTE])
two 9-pin connectors; 16550-compatible on the back panel
Parallel
one 25-hole connector (bidirectional) on the back I/O panel
Video
15-hole video graphics array (VGA) connector on the back I/O panel
Integrated network
interface controller (NIC)
RJ45 connector on the back I/O panel
Personal System/2
(PS/2)-style keyboard
6-pin mini-Deutsche Industrie Norm (DIN) on the back I/O panel
PS/2-compatible mouse
6-pin mini-DIN on the back I/O panel
Universal Serial Bus
(USB)
two USB-compliant connectors on the back I/O panel; two on the front panel
Internally accessible:
Primary EIDE hard drive
40-pin connector on PCI local bus
Secondary EIDE hard
drive
40-pin connector on PCI local bus
Diskette drive
34-pin connector
Fan
3-pin connector
Key Combinations
<Ctrl><Alt><Del>
restarts (reboots) the system
<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 power-on system test [POST] only)
<F3> or <F12>
automatically starts (boots) the system from the network environment specified by the managed boot agent
(MBA) rather than from one of the devices in the system setup Boot Sequence option
<Ctrl><Alt><F10>
launches the utility partition (if installed) during system start-up
Controls and Indicators
Power control
push button
Power indicators
green light-emitting diode (LED) on power button
—blinking green in sleep state; solid green for power on
state
Hard drive access indicator
green LED
Link integrity 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
Diagnostic LEDs
four yellow and/or green LEDs on back of system (see "
Back Panel LEDs
")
Auxiliary power indicator
AUX_LED on the system board; standby power indicator
Power