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Windows 7: ddr3 1600 mhx showing as 1066mhz

18 Nov 2010   #1
janno

windows 7 Ultimate 64-bit
 
 
ddr3 1600 mhx showing as 1066mhz

can someone tell me how this is possible?

here are my cpu-z stats:

Intel Core i7 930
Windows 7 Ultimate Edition (Build 7600)
CPU Arch : 1 CPU - 4 Cores - 8 Threads
CPU PSN : Intel Core i7 CPU 930 @ 2.80GHz
CPU EXT : MMX, SSE (1, 2, 3, 3S, 4.1, 4.2), EM64T, VT-x
CPUID : 6.A.5 / Extended : 6.1A
CPU Cache : L1 : 4 x 32 / 4 x 32 KB - L2 : 4 x 256 KB
CPU Cache : L3 : 8192 KB
Core : Bloomfield (45 nm) / Stepping : D0
Freq : 1619.22 MHz (134.93 * 12)

MB Brand : Gigabyte
MB Model : X58A-UD5
NB : Intel X58 rev 13
SB : Intel 82801JR (ICH10R) rev 00

GPU Type : Radeon HD 5750
GPU Clocks : Core 156 MHz / RAM 1000 MHz
DirectX Version : 11.0

RAM : 12288 MB DDR3 Triple Channel
RAM Speed : 539.7 MHz (2:8) @ 8-8-8-20
Slot 1 : 2048MB (10700)
Slot 1 Manufacturer : Corsair
Slot 2 : 2048MB (10700)
Slot 2 Manufacturer : Corsair
Slot 3 : 2048MB (10700)
Slot 3 Manufacturer : Corsair
Slot 4 : 2048MB (10700)
Slot 4 Manufacturer : Corsair
Slot 5 : 2048MB (10700)
Slot 5 Manufacturer : Corsair
Slot 6 : 2048MB (10700)
Slot 6 Manufacturer : Corsair



my MoBo will let me OC, but i`ve never done this before...

thanx!


My System SpecsSystem Spec
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18 Nov 2010   #2
HonorGamer

Windows 8.1 Pro x64
 
 

Might need to manually set the amount in the BIOS settings.
My System SpecsSystem Spec
21 Nov 2010   #3
Fumz

7 Ultimate x64
 
 

Quote   Quote: Originally Posted by janno View Post
ddr3 1600 mhx showing as 1066mhz
can someone tell me how this is possible?
It's showing up as 1066 because that's its current frequency. If you want to run it faster, then you'll have to tell your board to run it faster.

Memory is rated, not set at a certain speed... so your ram can operate as high as 800MHz (1600MHz DDR), at certain timings, at a certain voltage without issue, and it can also run at lower speeds, which is good, because boards don't default to 1600MHz.
My System SpecsSystem Spec
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22 Nov 2010   #4
Ivan the SoSo

windows 7 ultimate 64 bit
 
 

the web site shows your board supports 800/1066/1333/2200 ram no mention of 1600...lucky it works...my asus refuses to run any ram that has not been sprinkled with magic pixie dust....
My System SpecsSystem Spec
27 Nov 2010   #5
NotYourHero

Windows 7 ultimate x64
 
 

Quote   Quote: Originally Posted by Ivan the SoSo View Post
the web site shows your board supports 800/1066/1333/2200 ram no mention of 1600...lucky it works...my asus refuses to run any ram that has not been sprinkled with magic pixie dust....
Go into your bios and change the Setting to a 1:4 ratio. My board only supports 1600mhz through OC. I leave mine set to 1333 since I OC my cpu anyway and that brings it to 1620, but if I were to run everything on stock clocks, to get that 1600mhz I'd need to run the ratio for the ram at 1:4.
My System SpecsSystem Spec
03 Dec 2010   #6
Dwarf

Windows 8.1 Pro RTM x64
 
 

Sorry for the late reply, but I've been away this last week.

Anyhow, here we go. This is taken from one of the magazines I bought to read whilst I was away (see the section in RED):

Quote   Quote: Originally Posted by Custom PC, Issue 088, January 2011, Pg 67
When installing new memory, you'll typically have to enter the BIOS to set the correct frequency and timings - this doesn't mean that your new memory is faulty. All memory modules have a small EEPROM chip that houses the serial presence detect (SPD) data. This SPD data includes information such as the speed and latencies of the kit, and it's this data that the motherboard reads during the boot process.

However, as memory controllers aren't compatible with settings outside those of the JEDEC spec, memory manufacturers add a second, fail-safe set of SPD settings to their modules to ensure compatibility. The fail-safe settings adhere exactly to a typically very conservative JEDEC spec - 1,066MHz or similar - even if the module is rated at 1,600MHz.
My System SpecsSystem Spec
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 ddr3 1600 mhx showing as 1066mhz




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