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CPU-RAM settings

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Last response: in CPUs
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January 28, 2011 8:29:47 AM

I have an I7-950 and 3x2Gb of Corsair Cmp6gx3m3a1600c8 on a Gigabyte X58-UD3R. This triple channel and double data rate bussines confuses me. I think reccomended memory speed is 1066, will there be a performance increase if I run it at 1600?
What is the reccomended cpu/ram speed ratio with these, or some advice on optimum voltage and timings settings?


I'm not interested in overclocking, but I would do some if it ran with the stock coolers and if it would get me rid of the BSODs.
When i start up the comp after being allowed to cool off, it enters Windows, does a BSOD with MEMORY MANAGEMENT and restarts. After it warms up, starts up no problem. Please advise to BIOS recommended settings for MOBO, CPU and memory.


Below is my CPU-Z report.

CPU-Z version 1.56

Processors Information

Name Intel Core i7 950
Codename Bloomfield
Specification Intel(R) Core(TM) i7 CPU 950 @ 3.07GHz
Package (platform ID) Socket 1366 LGA (0x1)
CPUID 6.A.5
Extended CPUID 6.1A
Core Stepping D0
Technology 45 nm
Core Speed 1619.2 MHz
Multiplier x FSB 12.0 x 43.0 MHz
Rated Bus speed 2428.9 MHz
Stock frequency 3066 MHz

Memory Frequency 539.7 MHz (2:8)
CAS# latency (CL) 8.0
RAS# to CAS# delay (tRCD) 8
RAS# Precharge (tRP) 8
Cycle Time (tRAS) 20
Row Refresh Cycle Time (tRFC) 60
Command Rate (CR) 1T
Uncore Frequency 2159.0 MHz


XMP profile XMP-1600
Specification PC3-12800
Voltage level 1.650 Volts
Min Cycle time 1.250 ns (800 MHz)
Min tRP 10.00 ns
Min tRCD 10.00 ns
Min tWR 15.00 ns
Min tRAS 30.00 ns
Min tRC 50.63 ns
Min tRFC 110.00 ns
Min tRTP 7.50 ns
Min tRRD 7.50 ns
Command Rate 2T
XMP timings table CL-tRCD-tRP-tRAS-tRC-CR @ frequency (voltage)
XMP #1 6.0-6-6-18-31-2T @ 600 MHz (1.650 Volts)
XMP #2 8.0-8-8-24-41-2T @ 800 MHz (1.650 Volts)

On advice from the corsair forum, I switched to XMP profile 2. Still BSOD's. Memtest reorted no errors.

More about : cpu ram settings

January 28, 2011 2:42:33 PM

Not all that familiar with your setup but you might try system basics from bios and go from there...It's the last among the options in last screen at end of bios [award]...:) 
January 30, 2011 8:22:20 AM

The first time i started my rig it worked fine. I left on for about a week and had no issues. The next boot up, it BSOD-ed and restarted two times, went into windows repair and then worked. Kept it on for about two weeks. Next boot-up, same thing. This week, it would not start at all. A lot of restarts, even went through "no boot disk" error.
The BSODs are about memory management. Memtest when it doesn't start showed about a trillion errors, after it starts no errors. Could it be something about temperature?
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January 30, 2011 5:03:18 PM

A couple questions that may help pinpoint the problem:

What brand and size Power supply are you using?
How old is the Power supply?
What is the max wattage being drawn by your video card?

What temperature is the MB reading at power up for CPU and board itself?
What temperature is the MB reading after being on for an hour?

Have you updated the BIOS? If not, I recommend starting there. I would also reset it to auto for the memory speed and timing.

January 30, 2011 7:07:30 PM

I have an Antec NeoPower 500 bought last year. The max power draw for my 4830 is 110 W.
On startup i have a temp of 41. After an hour it goes to 51.
January 31, 2011 5:49:25 AM

I've just figured out that my windows is shot. The problem is still there but now it never boots to windows. Just before loading windows, it restarts. Gonna give it a fresh install as soon as i get back from work.
Do you think my power supply can handle all my components? From my calculations it does, but I would like a second opinion
January 31, 2011 4:22:17 PM

Your Power Supply can handle everything you've got there no problem.

130W for the CPU at full tilt.
10W for each HD.
I don't know about the MB and ram.
110W for the graphics card at full tilt.

You've got room to spare.
!