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Dell OptiPlex 790 User Manual

Dell OptiPlex 790
96 pages
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Dell OptiPlex 790 Small Form Factor
Owner's Manual
Regulatory Model D03S
Regulatory Type D03S001

Table of Contents

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Dell OptiPlex 790 Specifications

General IconGeneral
Tcase72.6 °C
Bus typeDMI
SteppingD2
Processor cache8 MB
Processor cores4
Processor modeli7-2600
System bus rate5 GT/s
Processor familyIntel® Core™ i7
Processor seriesIntel Core i7-2600 Desktop Series
Processor socketLGA 1155 (Socket H2)
Processor threads8
Processor codenameSandy Bridge
Processor frequency3.4 GHz
Processor cache typeSmart Cache
Processor lithography32 nm
Processor manufacturerIntel
Processor front side bus- MHz
PCI Express slots version2.0
Processor boost frequency3.8 GHz
Processor operating modes64-bit
ECC supported by processorNo
Thermal Design Power (TDP)95 W
Number of processors installed1
CPU multiplier (bus/core ratio)34
Maximum number of PCI Express lanes16
Memory types supported by processorDDR3-SDRAM
Memory clock speeds supported by processor1066, 1333 MHz
Memory bandwidth supported by processor (max)21 GB/s
Maximum internal memory supported by processor32 GB
Product typePC
Motherboard chipsetIntel® Q965 Express
Memory slots4x DIMM
Internal memory4 GB
Memory channelsDual-channel
Memory clock speed1333 MHz
Maximum internal memory16 GB
Memory layout (slots x size)2 x 2 GB
HDD speed7200 RPM
HDD interfaceSATA III
Optical drive typeDVD-ROM
Total storage capacity500 GB
Networking featuresGigabit Ethernet
On-board graphics cardYes
On-board graphics card ID0x102
Discrete graphics card modelNot available
On-board graphics card modelIntel® HD Graphics 2000
On-board graphics card familyIntel® HD Graphics
On-board graphics card base frequency850 MHz
On-board graphics card dynamic frequency (max)1350 MHz
Number of displays supported (on-board graphics)2
Display included-
Operating system installedWindows 7 Professional
USB 2.0 ports quantity10
Firewire (IEEE 1394) ports0
Cabling technology10/100/1000Base-T(X)
Ethernet LAN data rates10, 100, 1000 Mbit/s
Chassis typeSFF
Product colorBlack
CertificationCECP, TCO 05, WEEE
Sustainability certificatesRoHS, EPEAT Gold, ENERGY STAR
Power supply240 W
Processor codeSR00B
Processor ARK ID52213
Processor package size37.5 x 37.5 mm
Supported instruction setsAVX
Intel Identity Protection Technology version1.00
Weight and Dimensions IconWeight and Dimensions
Depth312 mm
Width92.6 mm
Height290 mm
Weight5700 g

Summary

Working on Your Computer

Before Working Inside Your Computer

Essential safety guidelines and preparation steps before performing any internal computer maintenance.

Recommended Tools

Lists the necessary tools for performing hardware maintenance and upgrades on the computer.

Turning Off Your Computer

Step-by-step instructions for safely shutting down the computer and connected devices.

After Working Inside Your Computer

Procedures to follow after completing internal computer work before powering it back on.

Cover

Removing the Cover

Instructions for safely removing the computer's outer casing to access internal components.

Installing The Cover

Steps to properly reattach the computer's outer casing after maintenance.

Front Bezel

Removing the Front Bezel

Procedure for detaching the front panel of the computer chassis.

Installing The Front Bezel

Steps for reattaching the computer's front panel after component access.

Expansion Card

Removing the Expansion Card

Guide on how to safely remove internal expansion cards from the system board.

Installing The Expansion Card

Instructions for inserting new expansion cards into the computer's slots.

Optical Drive

Removing the Optical Drive

Steps for disconnecting and removing the optical disc drive from the computer.

Installing The Optical Drive

Procedure for installing an optical disc drive into the computer.

Hard Drive

Removing the Hard Drive

Detailed steps to safely remove the computer's hard disk drive.

Installing The Hard Drive

Instructions for installing a new or replacement hard disk drive.

Memory

Removing the Memory

Guide on how to safely remove memory modules (RAM) from the system board.

Installing The Memory

Instructions for installing memory modules into the computer's DIMM slots.

Chassis Intrusion Switch

Removing the Chassis Intrusion Switch

Procedure for disconnecting and removing the chassis intrusion switch.

Installing The Intrusion Switch

Steps for installing the chassis intrusion switch.

Speaker

Removing the Speaker

Guide on how to detach and remove the internal computer speaker.

Installing The Speaker

Instructions for installing the internal computer speaker.

Heat Sink And Processor

Removing the Heat Sink and Processor

Detailed steps for removing the processor and its cooling heat sink assembly.

Installing The Heat Sink And Processor

Instructions for installing the heat sink assembly and processor onto the system board.

Coin-Cell Battery

Removing the Coin-Cell Battery

Procedure for safely removing the CMOS coin-cell battery.

Installing The Coin-Cell Battery

Steps for installing the coin-cell battery into its motherboard socket.

Power-Switch Cable

Removing the Power-Switch Cable

Guide on how to disconnect and remove the power switch cable.

Installing the Power-Switch Cable

Instructions for connecting the power switch cable to the system.

System Fan

Removing the System Fan

Steps to detach and remove the computer's system fan.

Installing The System Fan

Instructions for installing the system fan into the computer chassis.

Input/Output Panel

Removing The Input/Output (I/O) Panel

Procedure for removing the front panel I/O ports.

Installing The Input/Output (I/O) Panel

Steps to install the front panel I/O ports.

Power Supply

Removing the Power Supply

Guide on how to disconnect and remove the computer's power supply unit.

Installing The Power Supply

Instructions for installing a new or replacement power supply unit.

System Board

Removing the System Board

Detailed steps for removing the system board from the computer chassis.

Installing The System Board

Instructions for correctly installing the system board into the chassis.

Drive Cage

Removing the Drive Cage

Procedure for detaching and removing the drive cage assembly.

Installing The Drive Cage

Steps for installing the drive cage assembly into the computer.

Fan Shelter

Removing the Fan Shelter

Guide on how to remove the fan shelter component.

Installing The Fan Shelter

Instructions for installing the fan shelter component.

System Setup

Accessing System Setup and Boot Menu

Guide on accessing BIOS setup, one-time boot menu, and navigation methods.

System Setup Options Overview

Details various configuration categories like System Information, Boot Sequence, and device settings.

System Configuration and Security

Configuration settings for network, storage, security features, and system components.

Performance, Power, and POST

Settings for CPU performance, power management features, and boot process behavior.

Virtualization, Maintenance, and Logs

Options for virtualization, system maintenance, image server, and viewing system logs.

Troubleshooting

Diagnostic LEDs and Patterns

Explains the diagnostic LEDs, their patterns for identifying boot issues, and troubleshooting steps.

Beep Codes

Lists beep code sequences and their associated hardware failure causes.

Error Messages

Descriptions of common error messages and recommended actions.

Specifications

Technical Overview

General technical details including processor, chipset, memory, and system information.

Multimedia and Connectivity

Specifications for integrated graphics, audio, network adapter, and expansion bus types.

Chassis and Storage

Details on expansion slots, drive bays, and external I/O connectors.

System Board and Controls

Information on system board connectors, front panel lights, and diagnostic indicators.

Power and Environmental

Technical data on power supply, physical dimensions, and environmental conditions.

Contacting Dell

Contacting Dell Support

Information and steps for reaching Dell support for sales or technical assistance.

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