Memtest86 - Download Page

Memtest86 3.5 Release - Less than 4GB only (3/Jan/09)

ISO image for creating bootable CD (Windows - zip)
ISO image for creating bootable CD (Linux - gzip)
Floppy disk package (installable from Windows)
Floppy disk package SMP (experimental, installable from Windows)
USB key image (Only installable from Linux)
Linux source and binary package

ISO's include a boot menu that allows selection of version 3.5, version 3.4 and the experimental SMP version of 3.5 that supports multiple CPUs. Version 3.5 currently has a bug that causes the test to crash when testing 4Gb or more of memory.

Memtest86 3.4a Release (27/Dec/2007)

Version 3.5 is the preferred release. Please use the 3.4 release for testing 4GB or more of memory.

Download - Pre-Compiled Memtest86 v3.4a installable from Windows and DOS
Download - Linux Memtest86 v3.4 Source and binary Package

Enhancements in v3.5

Limited support for execution with multiple CPUs. CPUs are selected round-robin or sequential for each test.
Support for detection of additional chipsets. (from Memtest86+ v2.11).
Additions and corrections for CPU detection including reporting of L3 cache.
Reworked information display for better readability and new information.
Abbreviated iterations for first pass.
Enhancements to memory sizing.
Misc bug fixes.