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Dell™ OptiPlex™ GX620
User's Guide

  Ultra Small Form Factor Computer Specifications

Ultra Small Form Factor Computer Specifications

Microprocessor
Microprocessor type	Intel® Pentium® or Celeron® processor
Level 1 (L1) cache	32 KB
Level 2 (L2) cache	512-KB, 1-MB, or 2-MB pipelined-burst, eight-way set associative, write-back SRAM

Memory
Type	533 and 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® 945 Express
Data bus width	64 bits
Address bus width	32 bits
DMA channels	eight
Interrupt levels	24
BIOS chip (NVRAM)	4 Mb
Memory speed	533 MHz and 667 MHz
NIC	integrated network interface with ASF 1.03 and 2.0 support as defined by DMTF Capable of 10/100/1000 communication: Green — A good connection exists between a 10-Mbps network and the computer. Orange — A good connection exists between a 100-Mbps network and the computer. Yellow — A good connection exists between a 1-Gb (or 1000-Mbps) network and the computer. Off — The computer is not detecting a physical connection to the network.

Video
Type	integrated Intel Graphic Media Accelerator 950 with integrated DVI with dual-monitor support

Audio
Type	AC97, Sound Blaster emulation
Stereo conversion	16-bit analog-to-digital; 20-bit digital-to-analog

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

Drives
Externally accessible	one D-module bay for a CD/DVD 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 and line-out, and two front-panel connectors for headphones and microphone
System board connectors:
Serial ATA	7-pin connector
Fan	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

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 power supply
Wattage	220-W external supply
Heat dissipation	751 BTU/hr NOTE: Heat dissipation is calculated based upon the power supply wattage 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)

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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