Ultra Small Form Factor Computer Specifications: Dell OptiPlex 745 User's Guide

Dell™ OptiPlex™ 745 User's Guide

Ultra Small Form Factor Computer Specifications

Microprocessor

Microprocessor type

Intel® Pentium® 4, Pentium® D, Celeron®, or Core™ processor

Internal cache

At least 512 KB pipelined-burst, eight-way set associative, write-back SRAM

Microprocessor
Microprocessor type	Intel® Pentium® 4, Pentium® D, Celeron®, or Core™ processor
Internal cache	At least 512 KB pipelined-burst, eight-way set associative, write-back SRAM

Memory

Type

533 or 667 MHz DDR2 SDRAM

Memory connectors

2

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

4 GB

BIOS address

F0000h

Memory
Type	533 or 667 MHz DDR2 SDRAM
Memory connectors	2
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	4 GB
BIOS address	F0000h

Computer Information

Chipset

Intel® Q965 Express

Data bus width

64 bits

Address bus width

32 bits

DMA channels

eight

Interrupt levels

24

BIOS chip (NVRAM)

8 Mb

NIC

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

Capable of 10/100/1000 communication

Computer Information
Chipset	Intel® Q965 Express
Data bus width	64 bits
Address bus width	32 bits
DMA channels	eight
Interrupt levels	24
BIOS chip (NVRAM)	8 Mb
NIC	integrated network interface with ASF 1.03 and 2.0 support as defined by DMTF Capable of 10/100/1000 communication

Video

Type

Intel® Graphics Media Accelerator 3000 with integrated DVI-I with dual-monitor support

Video
Type	Intel® Graphics Media Accelerator 3000 with integrated DVI-I with dual-monitor support

Audio

Type

ADI 1983 High Definition Audio

Stereo conversion

20-bit analog-to-digital; 20-bit digital-to-analog

Audio
Type	ADI 1983 High Definition Audio
Stereo conversion	20-bit analog-to-digital; 20-bit digital-to-analog

Controllers

Drives

one serial ATA controller supporting one device

Controllers
Drives	one serial ATA controller supporting one device

Expansion Bus

Bus type

SATA 1.0a and 2.0;
USB 2.0

Bus speed

SATA: 1.5 and 3.0 Gbps;
USB: 480 Mbps

Expansion Bus
Bus type	SATA 1.0a and 2.0; USB 2.0
Bus speed	SATA: 1.5 and 3.0 Gbps; USB: 480 Mbps

Drives

Externally accessible

one D-module bay for an optical drive, second hard drive, or floppy drive

Internally accessible

one bay for a 1-inch-high hard drive

Drives
Externally accessible	one D-module bay for an optical drive, second hard drive, or floppy drive
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

28-hole DVI connector

Network adapter

RJ45 connector

USB

two front-panel and five back-panel USB 2.0–compliant connectors

Audio

two back-panel connectors for line-in/ microphone and line-out; two front-panel connectors for headphones and microphone

D-Dock

standard D-dock connector for devices such as D-Dock advanced port replicators and expansion stations.

System board connectors:

SATA

7-pin connector

Fan

one 3-pin and two 5-pin connectors

Connectors
External connectors:
Serial	9-pin connector; 16550C-compatible
Parallel	25-hole connector (bidirectional)
Video	28-hole DVI connector
Network adapter	RJ45 connector
USB	two front-panel and five back-panel USB 2.0–compliant connectors
Audio	two back-panel connectors for line-in/ microphone and line-out; two front-panel connectors for headphones and microphone
D-Dock	standard D-dock connector for devices such as D-Dock advanced port replicators and expansion stations.
System board connectors:
SATA	7-pin connector
Fan	one 3-pin and two 5-pin connectors

Key Combinations

<Ctrl><Alt><Del>

in Microsoft® Windows® XP, 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><Alt><b>

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)

<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

Key Combinations
<Ctrl><Alt><Del>	in Microsoft® Windows® XP, 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><Alt><b>	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)
<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

push button

Power light

green light — Blinking green indicates a sleep mode; solid green indicates the power-on state.

amber light — Blinking amber indicates a problem with an installed device; solid amber indicates an internal power problem (see Power Problems).

Power supply status light

green light — Solid green indicates the power adapter is connected to an AC outlet and the computer.

amber light — Solid amber indicates the power adapter is connected to an AC outlet but not the computer.

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

four lights on the back panel. See Diagnostic Lights.

Standby power light

AUX_PWR on the system board

Controls and Lights
Power control	push button
Power light	green light — Blinking green indicates a sleep mode; solid green indicates the power-on state. amber light — Blinking amber indicates a problem with an installed device; solid amber indicates an internal power problem (see Power Problems).
Power supply status light	green light — Solid green indicates the power adapter is connected to an AC outlet and the computer. amber light — Solid amber indicates the power adapter is connected to an AC outlet but not the computer.
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	four lights on the back panel. See Diagnostic Lights.
Standby power light	AUX_PWR on the system board

Power

DC external power supply:

NOTE: Power consumption can be zero when the computer is unplugged.

Wattage

220 W

Heat dissipation

751 BTU/hr

NOTE: Heat dissipation is calculated based upon the power supply rating.

Voltage

auto-sensing 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

Power
DC external power supply:	NOTE: Power consumption can be zero when the computer is unplugged.
Wattage	220 W
Heat dissipation	751 BTU/hr NOTE: Heat dissipation is calculated based upon the power supply rating.
Voltage	auto-sensing 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

Without cable cover:

Height

26.4 cm (10.375 inches)

Width

8.9 cm (3.5 inches)

Depth

25.3 cm (9.95 inches)

Weight

4.5 kg (10 lb)

With standard cable cover:

Height

26.4 cm (10.375 inches)

Width

8.9 cm (3.5 inches)

Depth

33 cm (13 inches)

Weight

4.9 kg (10.8 lb)

With extended cable cover:

12.34 kg (27.2 lb)

Height

26.4 cm (10.375 inches)

Width

8.9 cm (3.5 inches)

Depth

36.1 cm (14.2 inches)

Physical
Without cable cover:
Height	26.4 cm (10.375 inches)
Width	8.9 cm (3.5 inches)
Depth	25.3 cm (9.95 inches)
Weight	4.5 kg (10 lb)
With standard cable cover:
Height	26.4 cm (10.375 inches)
Width	8.9 cm (3.5 inches)
Depth	33 cm (13 inches)
Weight	4.9 kg (10.8 lb)
With extended cable cover:	12.34 kg (27.2 lb)
Height	26.4 cm (10.375 inches)
Width	8.9 cm (3.5 inches)
Depth	36.1 cm (14.2 inches)

Environmental

Temperature:

Operating

10° to 30°C (50° to 86°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)

Environmental
Temperature:
Operating	10° to 30°C (50° to 86°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)

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