Dell Optiflex 740 User Manual page 130

USB
Audio
System board connectors:
SATA
Floppy drive
Serial
Fan
PCI 2.3
PCIe-x1
PCIe-x16
Internal USB
Intrusion switch
Speaker
Memory modules
Power 12V
Power
Battery
Front panel
Key Combinations
<Ctrl><Alt><Del>
<F2> or <Ctrl><Alt><Enter>
<F12> or <Ctrl><Alt><F8>
<Ctrl><n>
<Ctrl><Enter>
Controls and Lights
Power control
Power light (within the power button)
Hard-drive access light
Link light (on front panel)
Link integrity light (on integrated network adapter)
Activity light (on integrated network adapter)
Diagnostic lights
Standby power light
Power
DC power supply:
Wattage
Heat dissipation
Voltage
Backup battery
NOTE: This option uses one of the PCI slots.
two front-panel and five back-panel USB 2.0–
compliant connectors
two connectors for line-in and line-out; two front-
panel connectors for headphones and microphone
four 7-pin connectors
34-pin connector
24-pin connector for optional second serial port card
5-pin connector
two 124-pin connectors
36-pin connector
164-pin connector
10-pin connector
3-pin connector
5-pin connector
four 240-pin connector
4-pin connector
24-pin connector
2-pin socket
40-pin connector
in Microsoft® Windows® XP and Windows Vista®,
brings up the Windows Security window. If in MS-
DOS® mode, restarts (reboots) the computer.
starts embedded system setup (during start-up only)
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
starts the RAID setup menu if RAID is turned on in the
system setup program
disables computer password at start-up (after correct
password is entered)
front of chassis - push button
green light — Blinking green indicates sleep mode;
solid green indicates power-on state.
amber light — Blinking amber indicates a problem
with an installed device; solid amber indicates an
internal power problem (see Power
front panel - green
front panel - solid green light indicates network
connection
rear panel - green light for 10-Mb operation; orange
light for 100-Mb operation; yellow light for a 1000-Mb
(1-Gb) operation
rear panel - yellow blinking light
front panel - four lights on the front panel. See
Diagnostic Lights.
AUX_PWR on the system board
305 W
1040.7 BTU/hr maximum
manual selection power supplies—90 to 135 V at
50/60 Hz; 180 to 265 V at 50/60 Hz
3-V CR2032 lithium coin cell
Problems).