Dell OptiPlex GX150 - Manual (Page 103)

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
restarts (reboots) the system
<\> toggles microprocessor speeds on 101-key keyboard (in MS-DOS ® real mode only)
<#> toggles microprocessor speeds on 102-key keyboard (in MS-DOS real mode only)
or starts embedded system setup (during power-on system test [POST] only)
or 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
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