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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: 21
    • Views: 30,717
    05/09/2014, 14h41 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. Keeps freezing at step 10, 11:05

    Hi All, I am trying to test my ram. I keep getting the same result. I tried each stick in each slot and it keeps stopping at test 10 and at 11 min and 8 seconds. I included screenshot...please help

    Started by mtamborra‎, 30/09/2014 22h23
    • Replies: 1
    • Views: 2
    08/10/2014, 17h26 Go to last post
  2. X64 Exception before test starts?

    Before the test starts, it's blank for quite a while, then it says !!!! X64 Exception Type - 00000..000D RIP - CAE72F78, CS - 00038, RFLAGS 000010293 ExceptionData- 00000 System is i2500k - no longer overclocked, 16 GB ram, z68 chipset. Was working fine for a long time, but now won't boot windows (Stop F4)... Did I burn my CPU?

    Started by thormj‎, 31/05/2013 17h20
    • Replies: 4
    • Views: 5
    22/09/2014, 14h56 Go to last post
  3. Cool Row hammer in DDR3

    Hi all, new to the forum. I have been using memtest for many years and it has been a nice tool to use to exercise memory. I work for a company that develops test equipment and we are trying to find a memory test that would test for the row hammer problem in DDR3. I was wondering if there is a way to use memtest for that purpose. For those of you who are not familiar with row hammer, it is a problem in DDR3 when an area of the memory is hammered by activity and the surrounding memory...

    Started by wombat1‎, 13/06/2014 18h10
    • Replies: 3
    • Views: 4
    12/09/2014, 08h51 Go to last post
  4. Which badram parameters for GRUB 2 ?

    Hi, my system is a freshly installed ubuntu 14.04.1LTS on an 3ys old sabertooth990FX/PhenomIIx6 config. After some unexpected bad crashes I've tested (memtest86+ 4.20) my 16GB (4x4GB ) Corsair DDR3 ram and have found some errors into the upper (remapped) zone: 2x16k pages at base address 0x0410E40000. Pb is I'm not sure how to handle that in the GRUB_BADRAM variable. If I follow the base_address/mask infos I found on web, then that should be: GRUB_BADRAM="0x000410E40000,0xFFFFFFFF8000"...

    Started by fb782‎, 08/09/2014 18h49
    • Replies: 0
    • Views: 1
    08/09/2014, 18h49 Go to last post
  5. 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: 23
    • Views: 24
    08/09/2014, 00h46 Go to last post
  6. V5.01 can used by console?

    How can i use memory test 86 plus V5.01 tool by console in dos system?

    Started by caspershon‎, 01/09/2014 06h41
    • Replies: 0
    • Views: 1
    01/09/2014, 06h41 Go to last post
  7. Memtest Test-Result

    Hello guys, this is the very first time I used Memtest. For the last couple of weeks, I did get a Bsod every now and then with the "memory managemnt" display message. As it is very annyoing and I have 2x 4GB Corsair modules I though I'd give it a try with Memtest and send Corsair the failury unit. Now I used Memtest and I have no clue what those numbers mean. I read something about to let it run until you've about 8 passes and wondered if that was even possible for my unit. I let it run for...

    Started by Steffeks‎, 21/08/2014 08h55
    • Replies: 3
    • Views: 4
    22/08/2014, 15h04 Go to last post
  8. support for Haswell-e processor and DDR4 memory

    Is there any eta on the next version to support the Haswell-E processor? Will the current version of memtest 5.01 support DDR4 memory?

    Started by lhenryiii‎, 21/08/2014 20h37
    • Replies: 1
    • Views: 2
    22/08/2014, 02h39 Go to last post
  9. Memtest runs very quickly (1 pass per second!)

    Hello, I am trying to use Memtest86+ on an HP xw4600 computer with 4 x 1GB DDR2 memory. With both Memtest86+ v 4.1 and 5.01, the test passes VERY quickly, about once a second. Both times I booted Memtest86+ from USB key. On the "Memory" line, it shows 604k, suggesting that Memtest only sees this much memory. However, the computer has no problem booting into Windows 7, which obviously needs more than 604k of RAM! I have successfully run Memtest86+, from the same key, on other...

    Started by sameerwahid‎, 18/08/2014 22h01
    • Replies: 6
    • Views: 7
    22/08/2014, 02h08 Go to last post
  10. Imposible to do a bootable USB in Linux

    I just want to do a bootable USB in Linux. I've tried all the methods with the binaru and with the iso. And there is no way. I found a tutorial in this page but the bootloader is lilo. How can I do to install the latest version of memtest86+ in a usb? I don't want to use memtest86. Philosofy behing memtest86+ is better

    Started by esbrinartot‎, 16/08/2014 14h27
    • Replies: 1
    • Views: 2
    19/08/2014, 00h40 Go to last post
  11. Post MemTest86+ V5.1.0 Haswell Refresh and H97 Chipset

    I just built an HTPC with Celeron G1840 CPU, Gigabyte H97N-WIFI m-ITX board and two identical 4GB Patriot Viper Extreme PC3-10600 sticks of RAM. Computer boots and seems to run fine. But when I test with the latest MemTest86+ Version 5.1.0 it found an error on the first pass. Originally I ran MemTest86+ V4.1.0 and didn't find an error until the 9th pass. I also ran MemTest86 V5.1.0 offered on the Passmark website (which is different than MemTest86+ version) and it didn't find any errors in...

    Started by eglectic‎, 04/08/2014 21h44
    • Replies: 1
    • Views: 2
    13/08/2014, 15h14 Go to last post
  12. OK to distirbuted usb installas as part of free test utility?

    is it ok to distributed the metest86+ usb installer as a part of a stress test utility ? any special requirement ? Thank you

    Started by Sven Bent‎, 11/08/2014 05h49
    • Replies: 0
    • Views: 1
    11/08/2014, 05h49 Go to last post
  13. Wrong info with DDR2 RAM

    The machine has DDR2-800 RAM, but Memtest86+ is displaying it as DDR3-800.

    Started by wpyh‎, 04/08/2014 06h02
    • Replies: 1
    • Views: 2
    05/08/2014, 01h09 Go to last post
  14. Thumbs up Im happyreally happy I at last signed up

    Position clearly utilized!.My web site ... Get the Facts on Chinese Wikipedia

    Started by LOONB‎, 03/08/2014 05h24
    • Replies: 0
    • Views: 1
    03/08/2014, 05h24 Go to last post
  15. 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: 1
    • Views: 2
    24/07/2014, 15h44 Go to last post
  16. can't save download file "memtest86+-4.20.usb.installer.zip"

    I have windows xp sp3. My PC is an AMD Athlon 64 X2 Dual Core Processor 4000+ 2.10 GHz, 1.93 GB RAM. My browser is firefox 30.0. I'm trying to download the memtest86+ installer file, memtest86+-4.20.usb.installer.zip but when I click on the download link, a "save as" window pops-up, and I have to choose a location and name for the file. When I open a download location, the "save as type" field is blank: there is no default, and no drop down box for types. I can not enter any file...

    Started by alyab123‎, 22/07/2014 07h41
    • Replies: 1
    • Views: 2
    23/07/2014, 22h21 Go to last post
  17. Previously Tested faulty memory testing fine in different mobo

    Hello! I'm new here. I came across one funny anomaly today. I pulled a 4GB DDR2 800 Stick from a machine I was repairing for a client about 2 years ago. Replaced with brand new and tested crucial sticks, fine, blah blah. When testing the memory it had multiple errors across multiple ranges. It was definitely toast... or so I thought. I'd played around with it randomly in other boards before, with the exact same symptoms of bad memory (POST Fail, BSOD, Freezes, etc).

    Started by proofinlife‎, 14/07/2014 04h47
    • Replies: 3
    • Views: 4
    23/07/2014, 22h18 Go to last post
  18. Incorrect CPU clock displayed

    If CPU ratio in BIOS differs from the default (for example, set to 9 while the default is 11) then CPU clock displayed in the left upper corner will be incorrect (too big).

    Started by GCRaistlin‎, 17/06/2014 01h16
    • Replies: 2
    • Views: 3
    10/07/2014, 10h16 Go to last post
  19. Memtest86+ won't boot from USB

    Hi all I used the auto-installer for USB key to make a bootable USB. The USB has the following files on it Copying mt86plus Readme.txt syslinux.cfg However, my PC fails to boot from the USB stick even though I've moved USB to the top of the boot order in my bios settings. I've tried on two different sticks, same non-result.

    Started by gfactor‎, 09/07/2014 23h01
    • Replies: 0
    • Views: 1
    09/07/2014, 23h01 Go to last post
  20. Memtest freezes but cursors still blinking - does it mean anything?

    Tonight my computer locked up, I restarted, and after running Windows again for a few minutes it froze again. Linux also locked up quickly. Then it started locking up in BIOS and at POST. I decided to run Memtest to see if I could spot anything interesting. No errors showed up but Memtest also froze - the funny thing is that the two red blinking cursors (The _ and the + in Memtest86+) kept blinking even though the computer was locked up otherwise. Is there any significance to this fact...

    Started by Agent24‎, 08/05/2014 11h23
    • Replies: 3
    • Views: 4
    09/07/2014, 03h43 Go to last post
  21. Memtest won't run on HP xw8400 workstation

    I've tried several versions of Memtest86, including the latest (5.01) but I get the same issue: When loading from a bootable CD, the monitor shows this: Loading..................................... and that's it. It freezes and does nothing else. It won't even warm-boot. Memtest has worked on several other PCs except this one.

    Started by Lord Volvo‎, 10/06/2014 06h43
    • Replies: 1
    • Views: 2
    09/07/2014, 03h06 Go to last post
  22. Possible bugs in Memtest

    Not sure if this is just a display bug, but these are the sections of RAM that it says it's testing on my machine: 0 - 32M - 32M of 32G 1024K - 2048M - 2047M of 32G 2048M - 3264M - 1216M of 32G 4096M - 6144M - 2048M of 32G 6144M - 8192M - 2048M of 32G 8192M - 10G - 2048M of 32G 10G - 12G - 2048M of 32G 12G - 14G - 2048M of 32G

    Started by Zook‎, 29/06/2014 03h19
    • Replies: 1
    • Views: 2
    09/07/2014, 03h02 Go to last post
  23. Memtest86+ 5.01 possible bug

    Hello guys, I'm testing my RAM overclock.Here is my rig and details: RIG: CPU- FX-8120 8core/8threads Ram- 2 slots x4096M Corsair Vengeance DDR3-1600 (XMP1.2 profile) Version: 5.01 I run my memtest from a bootable USB using the grub4dos method. I start it with multicore support and it runs fine but after the first pass the Active cores become 1 while the rest have the status "W". When i select "C"config -> "4" Select Cores -> "3" Sequential" -> "0" Continue and then repeat the process...

    Started by hunter86bg‎, 26/04/2014 18h53
    • Replies: 2
    • Views: 3
    09/07/2014, 02h54 Go to last post
  24. Major bandwidth decrease going from 2 to 4 DIMMs, not seen in other benchmarks

    I have a GA-P35-DS3R motherboard with a Q6600 CPU. I'm using two pairs of modules, G.SKILL F2-6400CL5D-4GBPQ 2*2GB, and OCZ2P8002GK 2*1GB. Both are DDR2-800 5-5-5-15, and the only secondary timing difference I see is 52 tRFC on the 2*2GB vs. 42 tRFC on the 2*1GB. I'm using dual channel mode, "interleaved" according to the BIOS, "symmetric" according to CPU-z and "128-bit Mode" according to Memtest86+. With either the 2*1GB or 2*2GB I get 3846 MB/s. If I put both in, I get 2727 MB/s. If I put...

    Started by dreamlayers‎, 13/05/2014 00h37
    • Replies: 2
    • Views: 3
    09/07/2014, 02h37 Go to last post
  25. Dos exe?

    Sorry if this is a duplicate thread. The forum won't let me search those terms because they're too common. Is there a DOS EXE available? I have a bootable USB stick that uses FREE DOS and I'd like to have a memtest exe on it. Thanks in advance. EDIT: Found a thread discussing this at http://forum.canardpc.com/threads/83175-Pre-compiled-EXE-file

    Started by pinkled5‎, 02/07/2014 17h14
    • Replies: 1
    • Views: 2
    09/07/2014, 02h21 Go to last post
  26. 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: 14
    • Views: 15
    09/07/2014, 02h11 Go to last post
  27. Are these errors valid or a bug??

    I recently purchased some used Corsair RAM (DDR2 800 4 GB kit - CGM2X2G800). I originally tested it with Memtest 4.20 and got some errors (I didn't write down the errors or take a picture, unfortunately). So, I decided to get the latest version and run the test again (with version 5.01). It ends up with errors during test #7. I am attaching a shot of the screen. I am wanting to know if this appears to be a legitimate error or if it is a bug in version 5.01. I also have a set of OCZ...

    Started by WakkoWarner‎, 06/07/2014 19h31
    • Replies: 2
    • Views: 3
    07/07/2014, 03h53 Go to last post
  28. Help! PLEASE... memtest has somehow overwritten my 3T drive?

    Ok So some background, my sons i5 on ASUS Maximus VI Formula motherboard desktop had just started haveing BSOD's, as soon as it was booting and running start-up programs .. It booted in safe mode so:- I stopped 70% of the start-up routines and it now booted and he played a game and recieved another BSOD but whilst possibly related it didn't crash on start-up... entering the codes in google brought up nothing other than possibly hardware etc including memory so rather than removing each...

    Started by ObsidianROG‎, 21/06/2014 14h36
    • Replies: 1
    • Views: 2
    23/06/2014, 08h27 Go to last post
  29. Bug: incorrect CAS data display

    I have tested RAM on Asus P5LD2. First, timings was: 5-5-5-12-2 (see attach 1 - IMG_2622.jpg), Memtest+ displayed "5-5-5-12" (see attach 2 - IMG_2623.jpg). Then, I changed timings to 5-5-6-12-2 (see attach 3 - IMG_2625.jpg). Memtest+ displayed "5-2-5-12" (see attach 4 - IMG_2624.jpg).

    Started by GCRaistlin‎, 27/12/2011 09h56
    • Replies: 1
    • Views: 2
    08/06/2014, 17h06 Go to last post
  30. What limits the speed of Memtest?

    What is usually the bottleneck in the speed at which Memtest86+ makes its passes? Does it depend on the test being run?

    Started by THX1139‎, 04/06/2014 07h12
    • Replies: 0
    • Views: 1
    04/06/2014, 07h12 Go to last post

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