2133MHz Underclocked to 1866 help

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bailojustin

bailojustin

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Hi, I have a AMD FX 8320E 3.2GHz 8Core
A gigabyte 970a UD3P
and the ram I have is 2133 G.SKILL ripjaw 2x4
I was hoping you could help me underclock my ram a to my motherboards max which is 2000(OC
while keeping it in sync and working with my CPU and stable and I also would love tight timing, does anyone have any suggestions, I have not delved very much into FSB and Matching the CPU with Memory
 
Solution
gskill support
Set the RAM to DDR3-1866

DRAM Timings tCL 10 - tRCD 10 - tRP 10 - tRAS 28

DRAM Voltage 1.60V

CPU-NB Voltage 1.20V

If that works OK, you can lower timings and gain some performance. Let us know how it goes!
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bailojustin

bailojustin

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I accidently lsited the wrong Processor I have a http://www.newegg.com/Product/Product.aspx?Item=19-113-285

for some reason it says that the
Integrated DRAM Controller with AMD Memory Optimizer Technology

A high-bandwidth, low-latency integrated memory controller
Supports up to DDR3-1866
Supports new low voltage memories of 1.35V and 1.2V
Up to 29.9GB/s memory bandwidth for DDR3

For the CPU, so would I actually have to underclock it to 1866 for the best performance,

And how exactly do i disable the XMP profiles, because I have seen them in the Bios but I have never activated on as there is an option for 2 different ones.
 
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bailojustin

bailojustin

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the ram is G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 2133 (PC3 17000) Desktop Memory Model F3-17000CL11D-8GBXL

I have tried changing the multiplier to 9.33 from 8 but it will not let me boot up, I am using it in conjunction with a AMD FX-8320 Vishera 8-Core 3.5GHz (4.0GHz Turbo)

This is all on a Gigabyte 970a-ud3p REV 1.0 No Updated Bios, the max ram supported on this motherboard is 2000 (OC) 1866 normally, yes I would enjoy to get it stable at that with this ram and the motherboard and processor overclocked, but for now just the ram.

The processor on this motherboard is best 1866 as it says but I would really like to get it working with the ram both of them in conjunction.

I notice when I use catalyst Control Panel the Auto-tune feature will clock my processor at speed of up to 4.7ghz or higher, but as I go up the graphics seems to get destroyed.

Im using a SAPPHIRE DUAL-X R9 280X 3GB GDDR5 OC (UEFI) and yes the Motherboard is UEFI enabled too, im not 100% on how that works as I have not seen it work well. The card does well when everything is at stock, Right now the ram is at a stock 1600 both running at 800mhz each, with pretty lose timings.

With the card in tech gpu-z the render test only shows it running at pci 2.0 rather then the pci 3.0 aswell. It is in the x16 slot 3.0 capable.

 
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bailojustin

bailojustin

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The end goal is to have it
Over clock processor 4.0ghz+ and to the ram 2000, from 1866
Overclocked or undervoltage, whatever it might be ram to (2000)
Motherboard to suit the PCI x3 and the ram at 2000

But if need be Id much rather be extremely stable at 1866 on the RAM
so it matches with the normal cpu and the motherboard so I dont have to OC it.
 
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bailojustin

bailojustin

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I have done CPU-z and checked the timings, it only give me the current timings and voltages, Not the changes I need to make to make the PC stable, it does not tell me what voltages and stuff i need to change which is what im trying to figure out.
 
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J

Jimmy Currire

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i'm having a similar issue. I have the same ram but 32gbs. does "Up to 29.9GB/s memory bandwidth for DDR3" mean I have to much ram?

 
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