Dell OptiPlex GX150

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Dell OptiPlex GX150 Desktop Computer

The Dell OptiPlex class computer is a popular desktop computer designed for the corporate user. Originally released in 2001, the OptiPlex GX150 is available in three chassis-Small Form-Factor Desktop, Small Desktop, and the Small Mini-Tower System.

Here you will find information and links to the current BIOS, memory upgrade, and replacement hardware.

Learn hardware configuration, common issues, and how to diagnose hardware problems with the Dell OptiPlex GX150.

Specifications for the OptiPlex GX150 

  • Pentium III/933 CPU

  • 128MB PC133 SDRAM

  • i815 chipset

  • 20GB WD Caviar 7,200rpm ATA/100 hard disk

  • DVD-ROM

  • integrated 3Com 3C920 Ethernet adapter

  • integrated sound

  • low-profile 16MB TNT2 Pro AGP card

  • Windows 2000 Pro

  • Dell utilities and OpenManage
  • GX150 Front 


    1. Optical drive
    2. Eject button
    3. Removable optical drive panel
    4. Diskette drive
    5. Eject button
    6. Removable diskette drive panel
    7. Hard drive access indicator
    8. Power button and power indicator light
    9. Front-panel door

    Inside the front-panel door
    GX150 Front Panel

    Memory Upgrade 

    256MB Upgrade for a Dell Optiplex GX150 Series System

    Architecture: 133-megahertz (MHz) synchronous dynamic random-access memory (SDRAM) (memory clock operates at 100 MHz for Intel Celeron processors)

    2 Dual in-line memory module (DIMM) sockets, non-error checking and correction (non-ECC)

    DIMM capacities 64, 128, and 256-megabyte (MB) SDRAM

    Maximum RAM: 512 MB


    256MB Upgrade for a Dell Optiplex GX150 Series System

    OptiPlex GX150 Back Panel and Indicators 



    1. Parallel connector
    2. Serial connector
    3. Serial connector
    4. Diagnostic lights
    5. Mouse connector
    6. Keyboard connector
    7. Network adapter
    8. USB connectors (2)
    9. Video connector
    10. Audio line-out connector
    11. Audio line-in connector
    12. Microphone connector

    OpitPlex GX150 Sale 

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    Motherboard/System Board - OptiPlex GX150 

    Learn all about Dell OptiPlex motherboards at the Lens for OptiPlex motherboards.


    The motherboard in the OptiPlex GX150 rest on a tray. The motherboard is removed by pressing two tabs on the tray and lifting out the motherboard with out the need for any tools.


    GX150 Motherboard Components

    1. PC speaker
    2. DC power connector
    3. Diskette-drive connector
    4. Battery
    5. EIDE2 connector
    6. Auxiliary power indicator
    7. Memory module (DIMM) connectors (2)
    8. Front-panel cable connector
    9. EIDE1 connector
    10. PCI 2 riser connector (not populated on the small form-factor system, used as the riser in the small desktop system, and can be populated with PCI expansion card in the small mini-tower system)
    11. PCI 1 connector (not able to be populated on the small desktop system)
    12. AGP/GPA connector
    13. CD audio and telephony connectors
    14. Microprocessor fan connector
    15. Voltage regulator module (may not be removable on some systems)
    16. Microprocessor and heat-sink assembly
    17. Connector Panel

    Jumper on the GX150 Motherboard

    Dell OptiPlex GX150 BIOS Versions 

    Version: A11
    Release Date: 2/1/2005

    Version: A10
    Release Date: 8/20/2002

    Version: A09
    Release Date: 11/29/2001

    Version: A08
    Release Date: 10/22/2001

    Version: A07
    Release Date: 8/30/2001

    Version: A06
    Release Date: 11/8/2001

    Download BIOS Version A11

    Power Supply for the OptiPlex GX150 

    DC Power Supply Wattage:

    Small form-factor chassis: 100 W
    Small desktop chassis: 110 W
    Small mini-tower chassis: 200 W

    Replacement Power Suppy 

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    GX150 Photos 

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    Trademarks 

    Trademarks used in this text: Dell, OptiPlex, OptiFrame, Dell OpenManage, and Dimension are trademarks of Dell Computer Corporation; Microsoft, Windows, Windows NT, and MS-DOS are registered trademarks of Microsoft Corporation; 3Com is a registered trademark of 3Com Corporation; Intel and Pentium are registered trademarks, and Celeron is a trademark of Intel Corporation; Novell and NetWare are registered trademarks of Novell, Inc; IBM and OS/2 are registered trademarks of International Business Machines Corporation. As an ENERGY STAR partner, Dell has determined that certain configurations of this product meet the ENERGY STAR guidelines for energy efficiency.

    by pcguy

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