Editors' Note: You'll need to burn this image onto a CD in order to use it.
Memtest86 is a thorough, standalone memory test for x86 architecture computers. BIOS-based memory tests are a quick, cursory check and often miss many of the failures that are detected by Memtest86.
What's new in this version:
Version 4.3.1 has fixed bug with Test 6 (Block Move Test) not testing the end of a memory segment correctly.