Dell OptiPlex 740 - Manual (Page 71)

Optional PS/2 with secondary serial port
adapter two 6-pin mini-DINs
NOTE: This option uses one of the PCI slots.
Optional DVI 36-pin connector
NOTE: This option uses one of the PCI slots.
USB two front-panel and five back-panel USB 2.0–
compliant connectors
Audio two connectors for line-in and line-out; two front-
panel connectors for headphones and microphone
System board connectors:
SATA three 7-pin connectors
Floppy drive 38-pin connector
Serial 24-pin connector for optional second serial port card
Fan 5-pin connector
PCI 2.3 two 124 -pin connectors
PCIe-X16 164-pin connector
Internal USB 10-pin connector
Intrusion switch 3-pin connector
Speaker 5-pin connector
Memory modules four 240-pin connector
Power 12V 4-pin connector
Power 24-pin connector
Battery 2-pin socket
Front panel 40-pin connector
Key Combinations
in Microsoft® Windows® XP and Windows Vista®,
brings up the Windows Security window; in MS-DOS®
mode, restarts (reboots) the computer
or starts embedded system setup (during system start-
up only)
starts the RAID setup menu if RAID is turned on in the
system setup program
or displays a boot device menu that allows the user to
enter a device for a single boot (during system start-
up only) as well as options to run hard-drive and
system diagnostics
Controls and Lights
Power control front panel — push button
Power light green light. Blinking green indicates a sleep mode;
solid green indicates a 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 front panel — green
Link light front panel — solid green light indicates network
connection
Link integrity light (on integrated network adapter) rear panel — 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) rear panel — yellow blinking light
Diagnostic lights front panel — Four lights on the front panel. See
Diagnostic Lights .
Standby power light AUX_PWR on the system board
Power
DC power supply:
Wattage 280 W