GA-X58A-UD3R question

rcorrea

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So I am new to this and I did download the bios pdf guide and i still have questions.

I have a GB GA-X58A-UD3R motherboard

I just purchased Patriot Viper 2 Sector 7 Ram 12GB kit, 4GB X 3 dims for a total of 12GB
I also have Patriot Viper Ram 6GB kit, 2GB X 3 dims for a total of 6 GB

I would like to install all 6 dims for a total of 18GBs if possible.

Both Dims are PC3 - 10666 @ 1333 Mhz

Both in Bios and Windows 7 64bit it shows 10GB usable and 8 missing. I have a dedicated graphics card so i know its not reserved.

How can i configure my bios and windows to use the whole 18GB if possible
 
U need to place the 4GB sticks in to the Blue slots and 2GB in to white.

22696d1292517277-gigabyte-ga-x58a-ud3r-review-gigabyte-ga-x58a-ud3r.jpg
 

rcorrea

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Slot1 1.50 1.50 1.50 1.650
slot2 1.50 1.50 1.650
slot3 1.50 1.50 1.650 1.500
slot4 1.50 1.50 1.650
slot5 1.50 1.50 1.650 1.500
slot6 1.50 1.50 1.650

I moved the dims but now it shows 8gb lol
 

rcorrea

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would that be for all dims or just some?
 
The voltages goes across all DIMM slots, and otherwise the 4GB is in the primary DIMM per Channel and the 2GB in the secondary DIMM slots per Channel.

When I searched both sets they're 1.65v at DDR3-1333 9-9-9-24-2N.

BTW - duh, I forgot LGA 1366 defaults @ DDR3-1066 so add: System Memory Multiplier -> 10 ; 10 * 133.33 is DDR3-1333.

Recap:

1. Install CPU: | 2GB | 4GB | 2GB | 4GB | 2GB | 4GB |
2. BIOS:
System Memory Multiplier -> 10
DRAM Voltage -> 1.64v
QPI/Vtt Voltage -> 1.35v
* CAS Timings

Save & Exit = Yes

Good Luck!

--

To set the CAS Timings:
BIOS: {* CAS Timings}
Extreme Memory Profile (X.M.P.) -> Disabled ; MUST be Disabled in ANY mix!
DRAM Timing Selectable -> Quick
CAS Latency Time -> 9
tRCD -> 9
tRP -> 9
tRAS -> 24
 

rcorrea

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Thanks for this info, i am going to try it out and see what happens. BTW would you prefer just to use the same memory across the board instead of mixing? if so would these settings still apply?
 
Personally, I never mix densities, IC's, or any mix, but if after the configurations above and works next is to create a bootable CD/DVD of Memtest86+ (ISO/zip file). Run for at least 4 passes or tonight overnight. Memtest -> http://www.memtest.org/ then you'll know. ;)
 

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