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AleGr MEMTEST is a program for testing DRAM (main memory) of PC-compatible computers built on Intel 386 or higher processor.
Some of older programs for memory testing were written for cacheless processors and required to disable the cache, when used on modern computers. This program is designed to run on the processors with memory cache, and takes into account how the system bus, cache and main memory of Pentium and Pentium Pro (Pentium II, III, 4) processors work. Test patterns and access sequences used by the program are designed to test burst transfers between CPU and L2 cache and/or memory, because such transfers occur most of the time in real applications. It also tests some special access cycles, such as locked read-modify-write.
Maximum size of memory the program is able to test is 3 gigabytes under DOS and less than 2 gigabytes under Windows. If you have 4 GB or more, you can start several test sessions under Windows, to cover all the memory.
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