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Thread: PC100 or PC133

  1. #1
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    Default PC100 or PC133

    Hi

    The memory instaaled in my PC is PC100 SD RAM and I need to upgrade the memory to two 256MB the max it'll take.

    I'm confused as to if it;ll take PC133 or should I stick to PC100?

    [ North Bridge: AMD-751 ]

    North Bridge Properties:
    North Bridge AMD-751
    Revision / Stepping 25 / C5
    Package Type 492 Pin PBGA
    Package Size 3.5 cm x 3.5 cm
    Core Voltage 3.3 V

    Memory Timings:
    CAS Latency (CL) 3T
    RAS To CAS Delay (tRCD) 2T
    RAS Precharge (tRP) 3T
    RAS Active Time (tRAS) 4T
    Row Cycle Time (tRC) 8T
    Refresh Period (tREF) 15.36 us
    Page Hit Limit 32
    Idle Cycle Limit 8

    Error Correction:
    ECC Supported, Disabled
    ChipKill ECC Not Supported
    RAID Not Supported
    ECC Scrubbing Not Supported

    Memory Slots:
    DRAM Slot #1 128 MB (PC100 SDRAM)
    DRAM Slot #2 64 MB (PC100 SDRAM)

    AGP Controller:
    AGP Version 1.00
    AGP Status Enabled
    AGP Device Prolink RIVA TNT2 M64
    AGP Aperture Size 32 MB
    Supported AGP Speeds 1x, 2x
    Current AGP Speed 2x
    Fast-Write Not Supported
    Side Band Addressing Supported, Disabled

    Chipset Manufacturer:
    Company Name Advanced Micro Devices, Inc.
    Product Information http://www.amd.com/us-en/Processors/...52_873,00.html
    Driver Download http://www.amd.com/us-en/Processors/...1_2336,00.html

    [ South Bridge: AMD-756 ]

    South Bridge Properties:
    South Bridge AMD-756
    Revision / Stepping 01 / A
    Package Type 272 Pin PBGA
    Package Size 2.7 cm x 2.7 cm
    Core Voltage 3.3 V

    Chipset Manufacturer:
    Company Name Advanced Micro Devices, Inc.
    Product Information http://www.amd.com/us-en/Processors/...52_873,00.html
    Driver Download http://www.amd.com/us-en/Processors/...1_2336,00.html

  2. #2
    Member Bear's Avatar
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    Default

    PC133 is backwards compatible with PC100. Keep in mind though if you install PC100 in a computer with PC133 the memory will run at the slower speed. To learn more about memory types and how it works simply go to Crucial.

    http://www.crucial.com/

    To determine what type and speed of memory you can add to your computer use the Crucial System Scanner.

    http://www.crucial.com/systemscanner/

    I hope this information was helpful to you, have a great day.
    Comptia A+ and Network + Certified. Microsoft MCP in Windows 2000 Pro. Server, Advanced Server and Data Center Sever.

  3. #3
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    Default Re: PC100 or PC133

    Quote Originally Posted by Fleeting
    Hi
    The memory instaaled in my PC is PC100 SD RAM and I need to upgrade the memory to two 256MB the max it'll take.
    About one year ago I found myself in the same situation. I never did get it completely resolved, and no longer own that computer.

    I don't remember how many different places I purchased chips from...that would not work in that machine. Or how many different reasons I was given for why they did not work.

    One I that I am unlikely to forget is that my computer was only reading half a chip. At that time I had other machines that took the same kind of RAM and they all read it the same.

    I hope your experience turns out to be more productive than mine.

    Mr. Nick.

  4. #4
    Member Spyware Fighter Grim322's Avatar
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    If in doubt, go to www.crucial.com and do the sysytem scan. It will find what is compatible with your system. You can either buy it from them or copy down the part number and the complete specs and take it to a computer store to buy memory. Charlie

  5. #5
    Member Bear's Avatar
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    Quote Originally Posted by Grim322
    If in doubt, go to www.crucial.com and do the sysytem scan. Charlie
    Hmmmmm, where have I seen the link to Crucial before???????
    Comptia A+ and Network + Certified. Microsoft MCP in Windows 2000 Pro. Server, Advanced Server and Data Center Sever.