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Technical Specifications: Dell OptiPlex SX280 User's Guide

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Technical Specifications

Dell™ OptiPlex™ SX280 User's Guide


Processor

Processor type

Intel® Pentium® 4 and Celeron® (when available) processors. Design provides for future processor upgrades. Supported processor upgrades are available from Dell.

Level 1 (L1) cache

8 KB

Level 2 (L2) cache

256 KB or 1 MB, depending on processor

Memory

Architecture

400-MHz DDR2 SDRAM

Dual in-line memory module (DIMM) sockets

two (non-ECC only)

DIMM capacities

128, 256, 512 MB, 1 GB

Minimum RAM

256 MB (dual channel mode)
128 MB (single channel mode)

Maximum RAM

2 GB (dual channel mode)

BIOS address

F0000h

Computer Information

Computer chip set

915G

Data bus width

64 bits

Address bus width

32 bits

Interrupts

23

Computer BIOS

4-Mb flash chip

System bus speed

800- or 533-MHz quad-data rate; 200- or 133-MHz clock (matches external bus speed)

Network interface controller

Gigabit integrated network interface with ASF 1.03 support as defined by DMTF

Capable of 10/100/1000 communication

Audio

Audio type

AC97, Sound Blaster emulation; optional internal speaker

Audio controller

Integrated AC97 Codec

Stereo conversion

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

Interfaces:

Internal

PCI bus/AC97

External

stereo line-in minijack and line-out minijack on the rear I/O panel; headphone and microphone connectors on the front panel

Video

Video type

integrated DVI-I

Video controller

integrated Intel 2D/3D graphics accelerator

Expansion Bus

Bus type

USB 1.1 and 2.0

Memory module connector size

DDR2 — 240 pins

Drives

Externally accessible bay

one bay for a Dell IDE or USB D-module portable device

Internally accessible bay

one bay for a Serial ATA hard drive

Connectors

Externally accessible:

Serial (data terminal equipment [DTE])

one 9-pin connector; 16550-compatible on the back I/O panel

Parallel

one 27-hole connector (bidirectional) on the back I/O panel

Video

DVI-I connector on the back I/O panel

Integrated network adapter

RJ45 connector on the back I/O panel; 10/100/1000

Audio

Green line-out and blue line-in connectors on the back I/O panel; microphone and headphone connectors on the front of the computer.

USB

five USB 2.0-compliant connectors on the back I/O panel; two on the front panel

Internally accessible:

Primary hard drive

serial ATA port

Fans

two 5-pin connectors

Chassis intrusion switch

one 3-pin connector

Key Combinations

<Ctrl><Alt><Del>

If running Microsoft® Windows® XP, brings up the Windows Security window. If in MS-DOS® mode, restarts (reboots) the computer

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

starts embedded system setup (during 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 start-up only) as well as options to run hard-drive and system diagnostics

Controls and Lights

Power control

push button

Power lights

green light on power button—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 light

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 yellow and/or green lights on back panel

Standby power light

yellow AUX_LED on the system board

Power supply light

green light on the power adapter

Power

External DC power adapter:

Wattage

220 W

Heat dissipation

455 BTU/hr (average)

Voltage

90 to 135 V at 60 Hz; 180 to 265 V at 50 Hz

Backup battery

3-V CR2032 lithium coin cell

Physical

Vertical orientation width, depth, and height (without cable cover)

8.9 cm (3.5 inches), 25.3 cm (9.95 inches), 26.4 cm (10.375 inches)

Vertical orientation width, depth, and height (with standard cable cover)

8.9 cm (3.5 inches), 33 cm (13 inches), 26.4 cm (10.375 inches)

Vertical orientation width, depth, and height (with extended cable cover)

8.9 cm (3.5 inches), 36.1 cm (14.2 inches), 26.4 cm (10.375 inches)

Weight (without standard cable cover)

4.5 kg (10 lbs)

Weight (with standard cable cover)

4.9 kg (10.8 lbs)

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

desktop or vertical hanging orientation: 0.25 gravities (G) at 3 to 200 Hz at 0.5 octave/min;
horizontal orientation: 0.25 G at 20 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 20 inches/sec (50.8 cm/sec)

Storage

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

Altitude:

Operating

–16 to 3048 m (–50 to 10,000 ft)

Storage

–16 to 10,600 m (–50 to 35,000 ft)


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