Passmark Memtest86

Product no.: PM-Memtest86

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Memtest86logo

The standard for memory diagnostics

  • Boots from a USB flash drive to test the RAM in your computer for faults.
  • Utilizing algorithms that have been in development for over 20 years.

 

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Why use MemTest86

Unreliable RAM can cause a multitude of problems. Corrupted data, crashes and other unexplained behaviour.

Bad RAM is one of the most frustrating computer problems to have as symptoms are often random and hard to pin down. MemTest86 can help diagnose faulty RAM (or rule it out as a cause of system instability).

MemTest86 is often used by system builders, PC repair shops, overclockers, computer enthusiasts & PC manufacturers

 

 

 

 

 

 

 

What is Memtest86?

 

 

MemTest86 is the original, free, stand alone memory testing software for x86 computers.

MemTest86 boots from a USB flash drive and tests the RAM in your computer for faults using a series of comprehensive algorithms and test patterns.

 

 

 

The History of Memtest86

Memtest86 was orignally developed by Chris Brady (BradyTech Inc) with a first release in 1994. However, it is interesting to note that some of the testing algorithms used have been under development since 1981 and were previously implemented on Dec PDP-11, VAX-11/780 and Cray XMP architectures. Since then, there have been more than a dozen new versions released. Support for 64bit, new CPU types, symmetrical multiprocessors and many other features have been added during this period. MemTest86 was released as free open source (GPL) Software.

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Between 2002 - 2004 (during the time period of the MemTest86 V3.0 release) the code was 'forked' by Samuel Demeulemeester (now part of the French CanardPC publishing group) into another version of the software called MemTest86+. The naming was unfortunate as it now leads to much confusion between users. Nevertheless, both Memtest86s subsequently continued to be developed.

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The original MemTest86 was continued to be developed across 2004 to 2013, with multiple updates made - most notably the Version 4.0 release. In Feb 2013, PassMark Software took over the maintenance of the Memtest86 project from Chris. This was around the time that a lot of technological changes were occurring. The 64bit era was here, DDR4 was coming, UEFI had already arrived and Microsofts Secure boot technology threatened to prevent MemTest86 from booting on future PC hardware.

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Starting from MemTest86 v5, the code was re-written to support self-booting from the newer UEFI platform. The software still remains free to use without restricitons. The Memtest86 v4 project is still maintained and remains open source, for use on old machines with BIOS. However, from V5 with the latest release being V8.3 the software is being released under a proprietary license. Development on the MemTest86+ version seems to be discontinued as there have been no updates since 2013.

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USB_bootable
Run from USB

You can run Memtest86 directly from a USB drive. No network connection required. Perfect for IT admins, technicians and computer enthusiasts on the go.

 

 

 

 

 

Features

13algorithms

of different RAM testing

DDR4 RAM

and DDR2 & DDR3 support

XMP

high performance memory profiles

UEFI

The new graphical standard for BIOS

64-bit

As of version 5, MemTest86 is native 64-bit code

ECC RAM

support for error-correcting code RAM

Secure boot

With MemTest86 being code signed by Microsoft

Graphical interface

and mouse support

Foreign language

support (Chinese, German & more)

Self-booting off USB

without needing DOS, Linux or Windows

Network (PXE) boot

Scalable, disk-less provisioning from a PXE server

Logging

of results to disk

 

 

 

Why test your RAM?

 


Unreliable RAM can cause a multitude of problems. Corrupted data, crashes and unexplained behaviour.

Bad RAM is one of the most frustrating computer problems to have as symptoms are often random and hard to pin down. MemTest86 can help diagnose faulty RAM (or rule it out as a cause of system instability). As such it is often used by system builders, PC repair stores, overlockers & PC manufacturers.

 

 

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