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Need help with i7 930, X58, and Ram

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Grendrundht

New Member
Joined
Jan 13, 2018
CPU is a core i7 930 2.8 Ghz, X58 MB and 2 X 4 GB ddr3 2133 pc3 17000 ram. Noctua air cooler running at avg. 45 C.

I can set the memory higher (2:14 1867 mhz) but only when the CPU clock is at stock speeds. When it's overclocked, the memory frequency won't go higher than 2:8 without rebooting. I'm only getting a DRAM frequency of 738 mhz and it should be over 1 Ghz. I'm beginning to think my motherboard is incapable of enabling the full ram power. Any thoughts?

memory frequency 1067 mhz / 2:8

Timings are 9-9-9-24 2T

clock ratio 21x
Cpu Clock 185
target CPU Frequency 4077 mhz (185 X 22)
target memory frequency 1482 mhz.

MCH Strap auto
CPU uncore frequency 2965 mhz (16x)
CPU clock skew o ps
Spread Spectrum disabled
PCIE Frequency 100

no vdroop
CPU vcore 1.4 V
CPU VTT voltage auto
CPU PLL Vcore 1.875
DIMM voltage 1.65
DIMM DQ vref +0mv
QPI PLL Vcore 1.35
IOH VCore 1.25
IOH / ICH 1.65
ICH 1.25
PWM frequency 1067 khz

speedstep enabled
turbo mode enabled
C1E

QPI Frequency selection 4.8 GT/s
 

Tokae

Member
Joined
Jun 12, 2010
Hey Grendrundht,

You will most likely have to up your QPI voltage. Try stepping it up in .05 increments like 1.40, 1.45 etc. I had a G-Skill set for X-58 that was supposed to be good for 2000mhz, but G-Skill said my QPI had to be upped to 1.6. I never tried it. Also, if I recall correctly the 930 wasn't the best for OCing back then. The D0 920 was god, along with the 980x.

EDIT:

Which motherboard are you using also?
 
OP
G

Grendrundht

New Member
Joined
Jan 13, 2018
Glad to have found this kickass forum. Thanks, I'll try that.

MB is an EVGA X58 SLI, about 8 years old. I decided to try upgrading with the 2133 ram and a 1050 ti GPU. The GPU is working fine.

I heard that about the 930 too so I think I'll keep at just 4 Ghz.

I read somewhere that the X58s can handle up to 2133 mhz ram, but the i7 can't handle more than 1.65 volts safely (DIMM voltage?) whereas the ddr3-2000+ kits take 2.0+ Volts- meaning my ram capacity could be limited by my CPU.
 

dejo

Senior Moment Senior Member
Joined
Nov 11, 2001
I would do some searching in the way of the dividers for the ram/core/uncore- as there are ratios that have to be maintained. some boards will keep them so automatically and some wont, when not right the boards will fail to boot