155
Memtest86+, the little RAM tester, flexes FOSS muscles with v7.0
(www.theregister.com)
All about open source! Feel free to ask questions, and share news, and interesting stuff!
Community icon from opensource.org, but we are not affiliated with them.
Even when I don't suspect it, I systematically run it on any new PC I build just to ensure I'm running with good RAM out-of-the-box. So far I've had this issue only once with a brand new pair but I'm glad I caught it early on.