Overclocking and my pc two years later

gupott

gupott

gupott

Associate
Joined
26 May 2008
Posts
236
Hi there,

I overclocked my PC a couple of years ago, it went well so I have left well alone - sat around 4.8ghz I think. Anyway, I have changed CPU's today, upgrading to a i9 9900. I fitted the cpu no problem, but I have had some stability problems, even crashing when on default settings in the bios. I am unsure what to try now. My specs are;
  • Be quiet! Silent Base 601
  • Corsair RMx 750w 80 plus Gold Modular PSU
  • Intel Core i9 9900
  • Samsung 970 Pro 1TB NVMe - Linux Mint
  • Samsung 970 evo 500gb NvME - Windows 10
  • Corsair Hydro H 115i PRO
  • Gigabyte Z390 Aorus Ultra
  • Patriot Viper Steel 32GB (2x16GB) DDR4 PC4-28800C18 3600MHz
  • MSI GeForce RTX 3080 10GB GAMING Z
  • F10h bios update
I tried to get an older spare CPU to working last week (an i3), and I 'think' I cleared the CMOS, or at least, I tried to. I tried connecting the jumper on the motherboard with the power off, but I am not sure it worked.

All I have done currently is set the ram to XMP, and manually set the dram voltage to 1.35v. I have set load line calibration to 'turbo' and the CPU Vcore to 1.3v.

Prime95 fails quite quickly, although the machine will boot.

Are there any definite changes I should be making in the bios to add stability? I am not really striving for an overclock right now, but more stability. Any thoughts welcome! Thanks
 
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I had another go at re-setting the CMOS, and this time I had a confirmation in the BIOS which I don't think I had before.

Anyway, its been alright for a few hours and then I had my first crash post CMOS reset. I had only set XMP. I ran a few benchmarks and has been fine for a while in general use. I then played about 10 minutes of metro exodus, the enhanced version and then the system BSOD. So there is still some instability.
 
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