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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 23h15
    • Replies: 21
    • Views: 30,717
    05/09/2014, 15h41 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 20h58
    • Replies: 0
    • Views: 1
    27/09/2013, 20h58 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 01h02
    2 Pages
    1 2
    • Replies: 57
    • Views: 15,362
    24/08/2012, 14h56 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, 14/09/2008 00h58
    • Replies: 16
    • Views: 39,055
    27/07/2012, 14h13 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 16h15
    • Replies: 0
    • Views: 43,355
    13/09/2008, 16h15 Go to last post
» Normal Threads
  1. 2400 MHz memory testing but SPD shows as 1333

    Hello. I am testing Corsair CMY16GX3M2A2400C11A memory modules. When I put the modules in the system and set my BIOS to 2400MHz all is well. When i run MEMTEST86+ the memory will show as 2400 at the top but under the SPD info it shows Slot 0 - 8GB PC3-10600 memory. Why does it show 1333MHz here? Is this normal? Thank you.

    Started by muskie42‎, 12/12/2014 05h11
    • Replies: 0
    • Views: 1
    12/12/2014, 05h11 Go to last post
  2. Memtest vhd file for PXE booting

    Hi I have created a vhd file for using with PXE boot. If you send this file over PXE booted PC will enter the memtest. I hope this helps :) File is created by me based on Memtest 5.01+ Selçuk DERE

    Started by alluwant‎, 26/11/2014 07h17
    • Replies: 1
    • Views: 2
    09/12/2014, 04h44 Go to last post
  3. Test narrowing problems - Bug or feature?

    Several days ago I downloaded the latest version of memtest (5.01, Pre-Compiled Bootable ISO) to test my memory sticks. Finally, after hours of different kind of testing I caught the fault-prone bit. (screen) Next, I decided to repeat the test (to do double check). And this time I had wanted to shrink the test, because it needs a lot of time. Firstly, I tried to set up the lower and the upper limits. As you see, my fault-prone bit has 1A9E66918 address, or 7,145,416,984 in dec. I realised...

    Started by bsivko‎, 25/11/2014 14h53
    • Replies: 0
    • Views: 1
    25/11/2014, 14h53 Go to last post
  4. Memtest 5.01 & 5.0 RC1 - lockup at boot on Intel S2600GZ w/ 768GB DDR3 LRDIMM

    Greetings, I have multiple Intel dual Xeon server boards of the following configuration: 2) Xeon E5-2630 v2 24) 32GB DDR3-1866 LRDIMM 1) Intel S2600GZ4GC dual socket motherboard All bios, etc at current rev. On boot of memtest86 the screen turns blue but never completes the load of the screen with memtest86 program data. Just a blank blue screen.

    Started by jeffwsi‎, 05/11/2014 04h18
    • Replies: 0
    • Views: 1
    05/11/2014, 04h18 Go to last post
  5. Suggestions and Questions

    Thanks for your work on this program. Questions: I'm running with an AMD six-core CPU but Memtest86+ shows "1 Active / 1 Total" for cores. Is that a mistake? Shouldn't it show 6? The first 4GB of my memory is shown as mapped and the rest is not. Isn't that a 32-bit limitation? My CPU is 64-bit and I see "X64 mode". Suggestions / Comments: I found the range selection difficult to use.

    Started by wamtest‎, 26/10/2014 11h26
    • Replies: 0
    • Views: 1
    26/10/2014, 11h26 Go to last post
  6. 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 23h23
    • Replies: 1
    • Views: 2
    08/10/2014, 18h26 Go to last post
  7. 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 18h20
    • Replies: 4
    • Views: 5
    22/09/2014, 15h56 Go to last post
  8. 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 19h10
    • Replies: 3
    • Views: 4
    12/09/2014, 09h51 Go to last post
  9. 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 19h49
    • Replies: 0
    • Views: 1
    08/09/2014, 19h49 Go to last post
  10. 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, 29/09/2013 00h49
    • Replies: 23
    • Views: 24
    08/09/2014, 01h46 Go to last post
  11. 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 07h41
    • Replies: 0
    • Views: 1
    01/09/2014, 07h41 Go to last post
  12. 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 09h55
    • Replies: 3
    • Views: 4
    22/08/2014, 16h04 Go to last post
  13. 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 21h37
    • Replies: 1
    • Views: 2
    22/08/2014, 03h39 Go to last post
  14. 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 23h01
    • Replies: 6
    • Views: 7
    22/08/2014, 03h08 Go to last post
  15. 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 15h27
    • Replies: 1
    • Views: 2
    19/08/2014, 01h40 Go to last post
  16. 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 22h44
    • Replies: 1
    • Views: 2
    13/08/2014, 16h14 Go to last post
  17. 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 06h49
    • Replies: 0
    • Views: 1
    11/08/2014, 06h49 Go to last post
  18. 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 07h02
    • Replies: 1
    • Views: 2
    05/08/2014, 02h09 Go to last post
  19. 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 06h24
    • Replies: 0
    • Views: 1
    03/08/2014, 06h24 Go to last post
  20. 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 15h38
    • Replies: 1
    • Views: 2
    24/07/2014, 16h44 Go to last post
  21. 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 08h41
    • Replies: 1
    • Views: 2
    23/07/2014, 23h21 Go to last post
  22. 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 05h47
    • Replies: 3
    • Views: 4
    23/07/2014, 23h18 Go to last post
  23. 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 02h16
    • Replies: 2
    • Views: 3
    10/07/2014, 11h16 Go to last post
  24. 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, 10/07/2014 00h01
    • Replies: 0
    • Views: 1
    10/07/2014, 00h01 Go to last post
  25. 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 12h23
    • Replies: 3
    • Views: 4
    09/07/2014, 04h43 Go to last post
  26. 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 07h43
    • Replies: 1
    • Views: 2
    09/07/2014, 04h06 Go to last post
  27. 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 04h19
    • Replies: 1
    • Views: 2
    09/07/2014, 04h02 Go to last post
  28. 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 19h53
    • Replies: 2
    • Views: 3
    09/07/2014, 03h54 Go to last post
  29. 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 01h37
    • Replies: 2
    • Views: 3
    09/07/2014, 03h37 Go to last post
  30. 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 18h14
    • Replies: 1
    • Views: 2
    09/07/2014, 03h21 Go to last post

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