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Refused to Post after XMP Setting in BIOS
Hi,
Yesterday, I installed all mobo and other drivers plus various supporting software in my new build (#2 in spec with BIOS 1801). Four in the morning, all was done and I decided to end by going into BIOS to set the memory according to its 1200 MHz Factory XMP. I pressed the XMP button in the Bios and selected 2400 and then quickly "Save and Exit". In front of my tired eyes, for a short moment, I noticed "1.65 V" and something else, which seemed it should not be there. Believe XMP says 1.2 V. It did not post at all. Left it on for a few minutes, restarted a couple of times, but nothing. Turned power off on the PSU and went to bed. Today, I turned the power on, and it booted nicely all the way into Windows. Rebooted and reset BIOS to factory defaults and then changed what was necessary to get my SSD to work and PWM for the fans. Now it works nicely again.
In the BIOS, I noticed the XMP button had not only changed the memory timings, but also fiddled with the CPU settings.
Anyone having heard of something similar. Surely, the XMP button should only change memory timings?
If I try to change the timings manually, I guess I do not need to change anything else? Do you think I should set the voltage to 1.2 V rather than leaving it on auto?
What happened? Did the PSU internal protection kick in, you think?
Last edited by Submarine; 12 Nov 2015 at 19:23.