Prime95 fails on non-overclocked specs

coalmarx

coalmarx

coalmarx

Associate
Joined
30 Oct 2021
Posts
8
Location
uk
Hi everyone, as per the title. Any thoughts/ help appreciated. Spec below. 8 more gbs of ram in the post.

Thanks

System Information
------------------
Time of this report: 10/30/2021, 20:48:22
Machine name: DESKTOP-1PH19EO
Machine Id: {8CBE05C3-6995-4249-A341-08E6D1358E00}
Operating System: Windows 10 Home 64-bit (10.0, Build 19043) (19041.vb_release.191206-1406)
Language: English (Regional Setting: English)
System Manufacturer: MSI
System Model: MS-7693
BIOS: BIOS Date: 05/12/15 11:37:33 Ver: 04.06.05 (type: BIOS)
Processor: AMD FX(tm)-8350 Eight-Core Processor (8 CPUs), ~4.0GHz
Memory: 8192MB RAM
Available OS Memory: 8140MB RAM
Page File: 9397MB used, 5653MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 12
DX Setup Parameters: Not found
User DPI Setting: 144 DPI (150 percent)
System DPI Setting: 144 DPI (150 percent)
DWM DPI Scaling: UnKnown
Miracast: Available, no HDCP
Microsoft Graphics Hybrid: Not Supported
DirectX Database Version: 1.0.8
DxDiag Version: 10.00.19041.0928 64bit Unicode
gtx3060
 
I don't really know what to do. I did get it stable by upping the voltage. I'm not sure what the base voltage should be for my cpu, i'd thought 1.275v but have upped that to 1.35v and got stability. However, if i put the CPU FSB Frequency to 210 and the voltage to 1.3 its unstable. It seems like even a touch off the default stats leads to instability. What am i doing wrong?
 
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Log of recent experiments...
CPU FSB 200 and CPU voltage 1.3 - seems stable. This is at base speed of 4Ghz
CPU FSB 210 and CPU voltage 1.3 instantly unstable in Prime95
CPU FSB 200 and CPU voltage 1.32 - seems stable
CPU FSB 210 and CPU voltage 1.32 - instantly unstable.
Is it just that overclocking isn't for me!?
CPU temp is 59 degrees C
205/ v 1.32 = instant failure
 
The basics of overclocking are you need to either lower the overclock or up the voltage when it's not stable, each CPU is different and eventually you'll hit a wall where the voltage needs to be increase by a large amount just to add a very small frequency increase and when that happens it's not really worth trying to push it anymore.
 
So I've tried CPU FSB 201 and 202 with stability. At 203 it becomes unstable so I'll increase my voltage. There hardly seem to be any gains, so OC is a lot of hype? Or i'm just unlucky? I will up my voltage and go again. The weird thing is that i have low temps even with near maxing out the voltage. Is there any problem with just going for max voltage - would too much voltage prevent OCing? Currently testing at 205 and 1.33v - going to leave it overnight. I've bought a better fan but at this rate it looks like i'll be sending it back as it will achieve nowt.
 
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Bear in mind that when you increase the FSB value the CPU isn't the only component you are overclocking, for a start you are also overclocking the RAM and may need to select another divider value to maintain stability. The FX-8350 is a Black Edition processor with an unlocked multiplier have you tried adjusting the multiplier instead of the FSB?
 
I set the CPU ration to 210, which gives me a processor speed of 4.2Ghz, Prime95 records a fatal error inside of 5 minutes. I have tried both OC Genie and OC Genie lite with no success.
 
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