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Dell™ Optiplex™ 740 Systems
User's Guide

  Desktop Computer (Model # DCNE) Specifications



Desktop Computer (Model # DCNE) Specifications

Microprocessor

Microprocessor type

AMD Phenom™ processors

NOTE: The AMD Phenom processor requires the 8-Mb NVRAM chip and is therefore available only on models that include the 8-Mb NVRAM chip. If your computer has the 8-Mb NVRAM chip and the AMD Phenom processor, the word enhanced appears in the title on the BIOS splash screen and the system setup program screens.

AMD Athlon™ 64 X2 Dual-Core processor

AMD Athlon 64

Internal cache

AMD Phenom Quad-Core: 2-MB L2 dedicated cache and 2-MB shared L3 cache

AMD Phenom Triple-Core: 1.5-MB L2 dedicated cache and 2-MB shared L3 cache

AMD Athlon 64 X2: 2-MB L2 dedicated cache

AMD Athlon 64 X2:1-MB L2 dedicated cache

AMD Athlon: 1-MB L2 dedicated cache

AMD Athlon: 512-KB L2 dedicated cache

Memory

Type

533-, 667-, or 800-MHz DDR2 SDRAM

Memory connectors

4

Memory modules supported

256 MB, 512 MB, 1 GB, or 2 GB non-ECC

Minimum memory

dual-channel: 512 MB;
single-channel: 256 MB

Maximum memory

8 GB

Computer Information

Chipset

nVidia GeForce 6150LE/Nforce 430

RAID support

RAID 0 and RAID 1

NOTE: RAID support is available only on select models.

Data bus width

64 bits

Address bus width

40 bits

DMA channels

eight

Interrupt levels

24

BIOS chip (NVRAM)

8 Mb or 4 Mb

NOTE: The AMD Phenom processor requires the 8-Mb NVRAM chip and is therefore available only on models that include the 8-Mb NVRAM chip. If your computer has the 8-Mb NVRAM chip and the AMD Phenom processor, the word enhanced appears in the title on the BIOS splash screen and the system setup program screens.

NIC

integrated network interface with ASF 1.03 and 2.0 support as defined by DMTF

Capable of 10/100/1000 communication

Video

Type

nVidia integrated video (DirectX 9.0c Shader Model 3.0 Graphics Processing Unit) or PCI Express x16 graphics card or DVI graphics card

Audio

Type

Sigma Tel 9200 CODEC (2.1 Channel Audio)

Stereo conversion

24-bit analog-to-digital; 24-bit digital-to-analog

Controllers

Drives

SATA controller supporting two 3.5-inch devices (two 3.5-inch hard drives supported)

Expansion Bus

Bus type

PCI 2.3
PCI Express 1.0A
SATA 1.0A and 2.0
USB 2.0

Bus speed

PCI: 133 MB/s
PCI Express x16: 40 GB/s bidirectional speed
SATA: 1.5 Gbps and 3.0 Gbps
USB: 480 Mbps high speed, 12Mbps full speed, 1.2 Mbps low speed

Cards

half-length, full-height cards supported with optional riser-card cage

Default: no riser-card cage

low-profile cards supported

PCI

 

connectors

two

card size

low profile

connector size

124 pins

connector data width

(maximum)

32 bits

PCI Express

 

connectors

one x16

card size

low profile

power

25 W maximum

connector size

164 pins (x16)

connector data width (maximum)

16 PCI Express lanes (x16)

Optional: full-height PCI Express riser-card cage

low-profile and full-height cards supported

Drives

Externally accessible

one 3.5-inch drive
one bay for optical drive or optional second hard drive, supporting up to two 3.5-inch hard drives

Internally accessible

one bay for a 1-inch-high hard drive

Connectors

External connectors:

Serial

9-pin connector; 16550C-compatible

Parallel

25-hole connector (bidirectional)

Video

15-hole VGA connector

Network adapter

RJ45 connector

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

<Ctrl><Alt><Del>

in Microsoft® Windows® XP and Windows Vista®, brings up the Windows Security window; in MS-DOS® mode, restarts (reboots) the computer

<F2> or <Ctrl><Alt><Enter>

starts embedded system setup (during system start-up only)

<Ctrl><n>

starts the RAID setup menu if RAID is turned on in the system setup program

<F12> or <Ctrl><Alt><F8>

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

Heat dissipation

955.39 BTU/hr maximum

Voltage

manual selection power supplies — 90 to 135 V at 50/60 Hz; 180 to 265 V at 50/60 Hz

Backup battery

3-V CR2032 lithium coin cell

Physical

Height

11.4 cm (4.5 inches)

Width

39.9 cm (15.7 inches)

Depth

35.3 cm (13.9 inches)

Weight

10.4 kg (23 lb)

Environmental

Temperature:

Operating

10° to 35°C (50° to 95°F)

Storage

–40° to 65°C (–40° to 149°F)

Relative humidity

20% to 80% (noncondensing)

Maximum vibration:

Operating

0.25 G at 3 to 200 Hz at 0.5 octave/min

Storage

0.5 G at 3 to 200 Hz at 1 octave/min

Maximum shock:

Operating

bottom half-sine pulse with a change in velocity of 50.8 cm/sec (20 inches/sec)

Storage

27-G faired square wave with a velocity change of 508 cm/sec (200 inches/sec)

Altitude:

Operating

–15.2 to 3048 m (–50 to 10,000 ft)

Storage

–15.2 to 10,668 m (–50 to 35,000 ft)

Airborne contaminant level

G2 or lower as defined by ISA-S71.04-1985


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