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Forum: Memtest86+ Official forum

For all features requests or Bug fixes for Memtest86+ (www.memtest.org). NO HELP FOR HARDWARE ISSUE !

» Sticky Threads
  1. Thumbs up Sticky Thread Sticky: [Windows] HOWTO: Boot Memtest on USB Drive

    Update : Official Memtest86+ USB Installer released Select Download - Auto-installer for USB Key from this link Run boot Memtest86+ from USB flash drive Useful for Notebook they don't have DVD drive to boot. Backup USB flash drive before run installer

    Started by John212‎, 06/09/2009 22h15
    • Replies: 17
    • Views: 30,717
    17/01/2014, 01h59 Go to last post
  2. Sticky Thread Sticky: Memtest86+ 5.01 (finally) released

    After More than 2 years since 4.20, 5.01 is finally out and the development of Memtest86+ is now fully resumed. Regular updates will follow soon. We still have some issues to solve with embedded menu items and we must add support for IVB-E, HSW-E & BDW. Tips : F1 will enable fail-safe mode, F2 will enable SMP Mode (disabled by default) and F3 will trigger an hidden alternative SMP Mode. Memtest86+ V5.01 changelog -------------------------- - Added support for up to 2 TB of RAM...

    Started by Doc TB‎, 27/09/2013 19h58
    • Replies: 0
    • Views: 1
    27/09/2013, 19h58 Go to last post
  3. Sticky Thread Sticky: CPU-Z dumps of unrecognised chipsets

    To help getting memtest recognising more chipsets i made this thread, so that people could leave a cpu-z dump everytime they found a chipset that memtest wasn't detecting. Original Thread by Sven Bent.

    Started by Doc TB‎, 14/09/2008 00h02
    2 Pages
    1 2
    • Replies: 57
    • Views: 15,362
    24/08/2012, 13h56 Go to last post
  4. Sticky Thread Sticky: [Linux] HOWTO: Boot Memtest on USB Drive

    A simple primer on how to get Memtest86+ to boot from a USB Drive or Hard Drive (without having to install an entire distro or DOS). note: drive used here is a usb drive located on /dev/sda, so make changes accordingly (eg a hard drive install would use /dev/hdc instead) First Step - format the drive optional, only suggested if you're drive needs a good cleaning (this may take a long time given the size of the drive) dd if=/dev/zero of=/dev/sda Second Step - create FAT partitions...

    Started by Doc TB‎, 13/09/2008 23h58
    • Replies: 16
    • Views: 39,055
    27/07/2012, 13h13 Go to last post
  5. Sticky Thread Sticky: FAQ : please read before posting

    Memtest86+ FAQ v1.21 By R.R. van der Vossen (Wichetael) Latest update 2007-02-28 QUESTIONS --------- General - What is memtest86+, what do I use it for?

    Started by Wichetael‎, 13/09/2008 15h15
    • Replies: 0
    • Views: 43,355
    13/09/2008, 15h15 Go to last post
» Normal Threads
  1. OFF-topic: Heartbleed bug

    Is this forum safe from heart bleed bug ? I tried to run a test from here. https://lastpass.com/heartbleed/?h=canardpc.com but it came out inconclusive

    Started by Sven Bent‎, 17/04/2014 02h58
    • Replies: 3
    • Views: 4
    Yesterday, 03h42 Go to last post
  2. Question Using multi-threaded mode over serial console

    I tried to run Memtest86+ 5.01 in multi-threaded mode, but I was unable to do it over a serial console. I set up the console using the "console=ttyS1,115200" boot parameter, but it seems that there is no way how to press F2 over it. Is there any way how to do it, or how to override the fail_safe flags using boot parameters?

    Started by UrsusArctos‎, 17/04/2014 14h38
    • Replies: 0
    • Views: 1
    17/04/2014, 14h38 Go to last post
  3. How to Read and Recognize the Status

    Hello! I've been using memtest86+ to test 4 of my memories (in a 4 slot motherboard) I'm here to ask you for help reconizing the status page, I step with a few errors but I would like to know how to read the status and errors and how everything means. You can see the Screenshot attached below. Thanks!

    Started by grunfeld‎, 14/04/2014 02h02
    • Replies: 1
    • Views: 2
    17/04/2014, 02h55 Go to last post
  4. BSOD Memtest86+ Showing errors on test #8

    I am working on my parents HP Computer and have tried to do as much research as possible before posting. I'll include a picture that should help let you know what I'm using. Here is where I'm at. I've been getting the BSOD and am trying to test the RAM to see if there is an issue with it. When I first tested the RAM with memtest86+, it showed a lot of errors with test #8. I tested with each RAM stick individually and they had no errors. So I decided to put them back in and test them...

    Started by nisaacs7‎, 16/04/2014 18h52
    • Replies: 1
    • Views: 2
    17/04/2014, 02h54 Go to last post
  5. need to identify if a problem is due to memory

    Hi, we have a server running under linux, reporting regularly "BUG: unable to handle kernel paging request". Here's an example error: http://pastie.org/9045954 My first question is: is this error always due to a memory problem? We have run a memtest. It could only complete 1 pass (and a part of the second), without reporting any problem. How confident can we be that the memory is ok?

    Started by raphinou‎, 09/04/2014 15h11
    • Replies: 1
    • Views: 2
    17/04/2014, 02h52 Go to last post
  6. Question endless string of 0104 instead of starting program

    I have a Tyan S2877 with 2 Opteron 265's I have 5 GB ram installed that I am trying to test. I downloaded the v5 iso and burned them to CDR w Nero w disk finalize on and verify data also selected. Instead of seeing the Memtest program I just see: 0104 0104

    Started by LambdaFox‎, 11/04/2014 02h36
    • Replies: 1
    • Views: 2
    17/04/2014, 02h49 Go to last post
  7. Memtest86+ is freezing while running test #7

    Hello, Memtest86+ is running with an Intel Prozessor Core i5-4440 3,1GHz 6MB Cache using 4 cores. Memtest86+ is freezing while running test #7. Why? Please help me. Picture from the freezing:

    Started by ZYifJpiY‎, 21/11/2013 18h17
    • Replies: 9
    • Views: 10
    07/04/2014, 07h56 Go to last post
  8. Memtest stuck on my Vaio

    Hi! I can't perform a test on my Sony Vaio notebook because Memtest freeze after 2 minutes. I must power off manually. I try to disable usb legacy but on my bios there isn't any option. Bios is fully closed by Sony. Any idea? Thank you!

    Started by RoksVempire‎, 06/04/2014 17h55
    • Replies: 0
    • Views: 1
    06/04/2014, 17h55 Go to last post
  9. Post [Bug?] memtest fails at same address for 6 different servers (same hardware spec)

    I ran memtest on 6 different servers in our datacenter and it always fails at address 0007e56061c (near 2021MB. Select test range 2000m - 2048m). When using memtest86+ v4.20, the test failed is #6, Good bit 00000002, bad 00000000, Err-Bits 00000002. When using memtest86+ 5.01, the test test failed is #8, same good/bad/err-bits. The servers used are IBM Flex System x240 with 10Gb, Intel Xeon E5-2620 @ 2.00Ghz.

    Started by qfan‎, 19/02/2014 00h02
    • Replies: 1
    • Views: 2
    02/04/2014, 16h55 Go to last post
  10. Memtest86+ V5.01 crashes with gcc-4.7.2 or later

    Hi, memtest86+ V5.01 crashes with gcc-4.7.2 or later (I also tried 4.8.1). The linux16 variant crashes after the mode selection dialog / memory detection and testing doesn't start. I am loading the memtest with the linux16 command from the grub2. It works correctly if compiled with gcc-4.4.7 (and maybe lower, also your prebuilt binary seems to work). The elf variant doesn't work for me (tried all three compilers), it crashes with the blank blue screen. I am using knetbsd command in grub2 for...

    Started by yarda‎, 09/10/2013 16h40
    • Replies: 8
    • Views: 9
    02/04/2014, 16h24 Go to last post
  11. memtest86+-5.01.iso.gz is not seen by k3b as iso file

    Hi, my problem is: memtest86+-5.01.iso.gz is not seen by k3b as iso file. k3b is on openSUSE-13.1. The problem applies to all iso files from http://www.memtest.org/#downiso Thank you for helping hints.

    Started by WGz‎, 12/03/2014 09h32
    • Replies: 1
    • Views: 2
    02/04/2014, 06h09 Go to last post
  12. Question Memtest86+ First time user with questions.

    mobo - asus z87-pro (v-edition) cpu - intel core i7 4770k (haswell) memory - corsair vengeance 16gb (2x8), DDR3, 1600Mhz (more specs will be added if needed) I want to know about versions because in screenshots i see alot of people use version 4.20. i wanted to test my memory, but i dont know which version of memtest86+ to use. i was checking the websites download versions and there is 4.20 and 5.01. I don't know which one i should use for my system. plus i read that version 5.01 has...

    Started by a44arana‎, 26/03/2014 01h25
    • Replies: 1
    • Views: 2
    29/03/2014, 08h19 Go to last post
  13. 5.01 broken on test #7 in SMP mode

    Just bought a used server (IBM x3650 (Xeon x5450 with 48GB RAM)). Started testing the RAM and at around 6-7% I got massive errors. I started pulling DIMM's and panicking, even testing single DIMM's in single slots, one at a time. I figured either the board is bad or 5.01 is broken. This was on SMP mode. No matter what I did, it would fail at around 6-7%. I removed all DIMM's except one and tried with SMP mode; same problem. Then I tried without SMP mode and it got to almost 40% without...

    Started by philly‎, 21/03/2014 06h49
    • Replies: 1
    • Views: 2
    26/03/2014, 14h45 Go to last post
  14. Wink USB bootup won't load

    I've scrolled back 9 pages and tried things that other people have posted, to no avail. here is my problem. my antivirus is not interfering with files writing to the USB. However, the installer is apparently not writing all of the files to my USB. (I have enabled hidden files, and nope they are still not there.) When I load from the USB it just sits there with a blinking cursor on the left upper corner. My question is, can I get a copy of the files and I'll put them all on myself,...

    Started by bekaness‎, 28/12/2013 20h05
    • Replies: 2
    • Views: 3
    22/03/2014, 01h40 Go to last post
  15. 5.01 freezes

    CPU: Intel Ivybridge 3570k 3.4Ghz RAM: Mushkin 996995 8GB Motherboard: Z77A-G43 Firstly am I supposed to force SMT? Memtest86+ seems to think my PC is single core otherwise. Secondly, after choosing SMT, the test freezes less than two minutes in. The few blinking symbols on-screen keep blinking, but the timer freezes, and the program doesn't respond to keypresses... In case this is important: I installed MT86+ to USB from my Windows 8.1 computer using the installer.

    Started by fleapickle‎, 28/09/2013 23h49
    • Replies: 20
    • Views: 21
    21/03/2014, 15h48 Go to last post
  16. USB installer only works sometimes

    I recently downloaded the memtest86+-4.20.usb.installer because it was recommended at pendrivelinux.com as a compatibility test because I wasn't able to get their USB installer to work. When I tried version 4.20, the computer wouldn't recognize the USB at all. I then tried the new version, memtest+-5.01.usb.installer. That version didn't work either...at first. See, all this time I had been using a 4GB drive and for some reason I decided to try an old 16MB drive I had. Still using version...

    Started by graphicjazz‎, 14/03/2014 10h09
    • Replies: 0
    • Views: 1
    14/03/2014, 10h09 Go to last post
  17. Lightbulb NEW !! Memtest86+ 5.00 RC1 available ! Need betatesters !

    Memtest86+ V5.00b6 changelog ---------------------------- - Added support for up to 2 TB of RAM on X64 CPUs - Added experimental SMT support up to 32 cores - Added complete detection for memory controllers. - Added Motherboard Manufacturer & Model reporting - Added CPU temperature reporting - Added enhanced Fail Safe Mode (Press F1 at startup) - Added support for Intel "Sandy Bridge-E" CPUs

    Started by Doc TB‎, 16/05/2012 13h14
    12 Pages
    1 2 3 ... 12
    • Replies: 352
    • Views: 353
    02/03/2014, 09h22 Go to last post
  18. Running Memtest86+ via an external USB optical drive

    Hi guys, Just wondering if there is likely to be any issues with running Memtest86+ (burnt to regular blank disc) via an external USB optical drive. Thanks :)

    Started by Crossbow‎, 24/02/2014 20h05
    • Replies: 0
    • Views: 1
    24/02/2014, 20h05 Go to last post
  19. Question Question about multithreading in memtest86+ 5.01

    Hello everyone! As I was troubled with some rare "the program has stopped working" errors in the last time and intel burn test for ~0.5 hour with all available memory didn't show any problems, I decided to run memtest overnight. I didn't use this program for a long time and was confused about "F2 to force multithreading..." message. Of course, I used it, since I have 8-threaded CPU. The test showed about 200 errors, the last of them all in test 7 (actually, can one scroll up to see not only...

    Started by dermidonten‎, 19/02/2014 13h33
    • Replies: 0
    • Views: 1
    19/02/2014, 13h33 Go to last post
  20. Intel x2APIC mode is not supported

    I noticed that memtest86+ does not support x2 APIC mode that was introduced with Intel Nehalem processors, so I added that tonight to smp.c. Mainly, x2APIC mode uses MSRs 0x800 - 0x83F instead of memory mapped I/O. There are a lot of edits to the source, but that was mainly to eliminate tabs so code will align as intended. Please review the attached source for possible inclusion in your next release.

    Started by ChipProgrammer‎, 19/02/2014 09h10
    • Replies: 0
    • Views: 1
    19/02/2014, 09h10 Go to last post
  21. Memtest86+ Results Questions

    Hello, I have a new build that has been experiencing a few random BSODs and reboots (without BSOD) which seems to have started after I added another two sticks of RAM. I am not overclocking or manually setting timings or voltage on the RAM. Asus Z87-Pro Intel i7-4770k GSkill F3-1600C9D-8GAO (2 separately purchased sets: 4 X 4GB) I acknowledge that this RAM isn't listed as compatible for this board yet but gave it shot anyway. That could be my first mistake but was running fine with...

    Started by chupalo‎, 13/02/2014 15h48
    • Replies: 0
    • Views: 1
    13/02/2014, 15h48 Go to last post
  22. 1:45 for first pass, over 8 hours for second, plus related SMT questions.

    When I did a test on 3 4GB modules (12GB, DDR3, 1333), the first pass took about 1:45 to finish (using the F2 SMT mode.) The second pass, however, took about 8:15 to finally finish. No errors were found, but this seems like an incredibly long time for a single pass of only 12GB of 1333 RAM. Is this normal? The vast majority of the time was spent on Test #8. I believe that the rest of the tests took less than an hour, while Test #8 took the rest. On top of this, the percentages counters...

    Started by lalittle‎, 13/02/2014 00h28
    • Replies: 0
    • Views: 1
    13/02/2014, 00h28 Go to last post
  23. v5.01 boot problem, v4.20 boots fine

    I created a bootable USB drive using memtest86+-5.01.usb.installer. I checked the format option. When selected as boot device, the system booted from the hard drive instead. I then recreated the same drive using memtest86+-4.20.usb.installer. Again I checked the format option. When selected as boot device, the system booted to the Memtest86+ v4.20 test screen with no problem. The only difference is the version of the installer. The drive, the install procedure, the PC, and the boot...

    Started by metaed‎, 10/02/2014 10h51
    • Replies: 0
    • Views: 1
    10/02/2014, 10h51 Go to last post
  24. Unhappy [Bug] 5.01 bit fade test (#11) always fails

    Package: memtest86+ Version: 5.01 Build: precombiled bootable ISO Bug description: In test #11 memtest reports error for every memory location. Tested on two physical machines. On both 4.20 reports no errors. The bug also consistently appears on a virtual machine. The "bad" pattern is always equal to the current memory address, which confirms that this is not a random memory error. Steps to reproduce:

    Started by mpan e286f3c4‎, 19/12/2013 04h41
    • Replies: 3
    • Views: 4
    06/02/2014, 00h52 Go to last post
  25. How Do I Know When the Test is Done?

    Hi I'm running the Memtest86+ 5.01 now on my system for 11+ hours. It's showing it's on the second Pass @ 42% Test 15%. I do have 24GB of RAM but how long does this thing take? And when will it be finished? Does it stop automatically and provide some summary report or something... Or do I stop it when I feel it's tested enough? Thanks, -cfedd

    Started by cfedd‎, 04/02/2014 00h32
    • Replies: 1
    • Views: 2
    04/02/2014, 07h31 Go to last post
  26. Question SPD information on AMD chipsets ...

    Can someone please tell me, if mainboards with ... North Bridge: AMD 740G South Bridge: AMD SB710

    Started by MarcyBesky‎, 30/01/2014 17h37
    • Replies: 0
    • Views: 1
    30/01/2014, 17h37 Go to last post
  27. Unattended memtest86+ with report on txt file

    Hello, i have the following problem.. i have a server with no physical KVM support, it is very costly from my provider (OVH).. but i have the rescue mode which i can enter.. it's a basically debian derived distro where i can run various linux commands from ssh and run various tests.. including ram.. the ram test however is very simple and not accurate and powerful as memtest86+ there's a way i can run a sort of unattended memtest86+ test that could write on a txt file the output after...

    Started by user7415‎, 13/11/2013 15h47
    • Replies: 1
    • Views: 2
    22/01/2014, 20h12 Go to last post
  28. memtest86+ fails to get correct memory map on chromebooks (tests reserved I/O memory)

    Hi, memtest86+ (not memtest86) seems to get incorrect memory regions when started from coreboot+seabios on both the Chromebook Pixel, and the Acer C7 chromebook. I've done a bit of debugging, and it's hitting a reserved I/O mem region at 0xacedd000 - this then fails test 1 for obvious reasons. Booting linux on the same machine gives: BIOS-e820: reserved amongst the boot messages, and the memtest86 v4.3.6 option 'misc -> print memory map' shows that this region isn't tested by...

    Started by TimSmall‎, 14/01/2014 12h44
    • Replies: 1
    • Views: 2
    21/01/2014, 17h07 Go to last post
  29. Missing operating system

    Just created a USB stick using the USB installer. Only thing to note is that I ticked the format check in this program. There's nothing else I can do wrong, afaik... So, plugged it in, booted from it, and now getting this message: Missing operating system Insert system disk in drive. Press any key when ready... The pc in question can boot from USB, and what's more, it can boot from this particular USB drive. Just not from the software that's now on it. It's a laptop with a good ol'...

    Started by thany‎, 20/01/2014 03h41
    • Replies: 1
    • Views: 2
    20/01/2014, 10h06 Go to last post
  30. which part is faulty?

    Hi, I just bought a used laptop on Ebay and wanted to test is before I start using it. The laptop has 2 DIMMs of 2GB each. When I run memtest86+ with both DIMMS in place, I get 300 or so memory errors. The odd thing is, when I test both DIMM individually, it passes the tests. However I get some random freezes, no matter with DIMM I test. With 2 DIMMS I get errors, but less frequent freezes. The errors always appear around the 5950..5050MB range, even when I swap the DIMMs around. Does this...

    Started by geekabit‎, 02/10/2013 20h18
    • Replies: 2
    • Views: 3
    20/01/2014, 02h07 Go to last post

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