Dell OptiPlex GX280 - Manual (Page 19)

Primary IDE drive 40-pin connector
Serial ATA small form-factor computer: one 7-pin
connector
small desktop computer: one 7-pin
connectors
desktop computer: two 7-pin connectors
small mini-tower: two 7-pin connectors
mini-tower: two 7-pin connectors
Floppy drive 34-pin connector
Serial 12-pin connector for optional second
serial port card
Fan 5-pin connector
PCI 2.2 120-pin connector
CD drive audio interface 4-pin connector
Front audio 10-pin connector (For the optional audio
customer kit)
Front panel 40-pin connector
Key Combinations
If running Microsoft® Windows® XP,
brings up the Windows Security window.
If in MS-DOS® mode, restarts (reboots)
the computer
or starts embedded system setup (during
start-up only)
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)
or displays a boot device menu that allows
the user to enter a device for a single
boot (during start-up only) as well as
options to run hard-drive and system
diagnostics
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 small form-factor, small desktop, and