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Thread: Memtest86 - which one and why?

  1. #1
    Join Date
    Oct 2008

    Default Memtest86 - which one and why?

    What is the difference between these two programs? - Memory Diagnostic - currently at ver. 3.4c 12/07
    Memtest86+ - Advanced Memory Diagnostic Tool - at ver. 2.01 2/08

    Both seem to be Brady products.. both free ISO downloads. I see 2.01 being suggested, just curious why.


  2. Default Re: Memtest86 - which one and why?

    The floppy you can make with the MemTest86 3.4 download is just a tease, a "flour cookie" of the retail package. When running it, only CPU and Memory bandwidth is displayed. Many of the Configuration/Advanced option don't work.

    MemTest86+ 2.01 gives you more system information by far: CPU speed, Memory Bandwidth and speed, Chipset, FSB speed, and Standard timings, etc...

    Personally, I like MemTest86+ 2.01 more. I think it is the better of the two.

    To each is own...I reckon. Try them both out for yourself.
    Last edited by DavidDavisLeeSomething; 10-07-2008 at 06:33 AM.
    GA P35 DQ6 rev. 1.0, 2x2GB Mushkin XP2 Ascents, 2x2GB Mushkin XP2's DDR2-1066 PC2-8500, Intel Core 2 DUO E8600, 3.33Ghz with Gigabyte CPU Cooler, PNY GeForce 8800 GTS, Antec 900 Gaming Case and Antec True Power Trio 650w PSU, Hauppauge HVR 1600 TV Tuner, old Sony CD/RW that still kicks butt, Sony external DVD, Smart Card Reader, 4 Western Digital Caviar HDD's: 80Gb, 120Gb(usb,external, swap), 160Gb, 250Gb and 320Gb.

    Running it all with Windows XP Pro SP3, Perry Mason and Della Street. Paul Drake's out on assignment. He's helping me locate 64-bit drivers for XP Pro x64 Edition that I'm working with now.

  3. #3
    Join Date
    Apr 2008

    Default Re: Memtest86 - which one and why?

    One thing I know for sure is V2.01 identifies my P35 chipset correctly and Version 3.4a doesn't.

    Also there is a problem on Ver 3.4a where the Levels of memory speed monitoring, ie L1, L2 Cache & RAM get reported in the wrong row if the chipset is not recognised.

    As far as I'm aware (correct me if I'm wrong) they both use the same source code by the original author/s. At some point, as i believe the source code is freely available, the two versions appeared which are brances off the original version.

    There are supporting forums on the web where some support/maintenence work is taking place.
    However, I think it's a case with V3.4a that a little too much ie The new error confidence test level feature, in a product that isn't being aggressively supported can be more of a hinderance by giving false information.
    At least V2.01 retains the originals framework and appears to be robust being kept that way.

    On the support forums it is said that through PAE memtest supports upto 64GB of RAM - which is interesting. There doesn't appear to be any ongoing feedback from the original author that I've found either...
    Not even Windows Vista (Basic and Premium Versions) supports that much RAM in it's 64bit versions! So imo it's a very good utility.
    Memory Limits for Windows Releases (Windows)
    Last edited by VorLonUK; 10-07-2008 at 09:08 AM.
    GA-P35C-DS3R Rev2.0 F11 bios, E8200 (@3.0Ghz), OCZ DDR3 PC3-10666 Reaper 4GB (@1200Mhz), Xonar D1, 8800GTS 512, Corsair HX520 (Single 12volt line, Max 40A), WDC 3200aaks/5000aaks in AHCI mode, Vista 64 Premium.

  4. #4
    Join Date
    Oct 2008

    Default Re: Memtest86 - which one and why?

    2.01 it is!

  5. #5
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
    Join Date
    Jan 2008
    PCB Island

    Default Re: Memtest86 - which one and why?

    Memtest86+ is far superior, and often has bug fixes and enhancements in it that the normal memtest86 does not.

    Don't forget to mention this as well. I use this often, not as a main memory test, but for added confidence in stability >>>>
    MemTest: RAM reliability tester for Windows

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