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Asus Sabertooth X58 + Gskill ram not running at 1600

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Hi have an Asus Sabertooth X58 and I am using GSKILL F3-12800CL9T-12GBRL ram.

The ram is Capacity 12GB (3 x 4GB) Speed DDR3 1600 (PC3 12800) Cas Latency 9 Timing 9-9-9-24 Voltage1.5V

The ram for some reason is not running at 1600 but 1066 when the system is booted up.

Is there someway I can fix this?

Here is the full specs of my system. Any help is appreciated in advance.


CPU - Intel Core i7-950 Bloomfield 3.06GHz LGA 1366
Motherboard - Asus Sabertooth X58
RAM - G.SKILL Ripjaws Series DDR3 1600MHz - PART #: F3-12800CL9T-12GBRL
SSD - Corsair Force Series Sata 3 Solid State Drive
Graphics Card - EVGA GeForce GTX 560 Ti FPB 1024MB GDDR5 (01G-P3-1561-KR)
Power Supply - Corsair Professional Series HX850 Modular 850 Watt 80PLUS Silver Certified Power Supply (CMPSU-850HX)
Case - Cooler Master HAF X
HeatSink - Cooler Master Hyper 212 Plus 4 Heat Pipes CPU Cooler
Generic CD/DVD Burner

More about : asus sabertooth x58 gskill ram running 1600

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Memory Authority

Most 1.5 V RAM that I have had experience with runs at 1333 at 1.5V biut requires 1.65 volts for 1600 oft referred to as XMP setting.

Quote:
Is there someway I can fix this?


Read your MoBo manual, specifically the BIOS section. Set the speed and timings as per the instructions in the manual.

Memory Master

If the RAM is listed as 1.5v DDR3 1600 cas 9 then it should run at the listed speed and voltage. You just need to go in BIOS and set it manually. As stated above just check you motherboard manual and it will tell you where to do this.

I have no idea why people are telling you to run it at 1.65v.....the RAM is listed as 1.5v and should work just fine at that voltage. also 12GB of DDR3 1600 does NOT overload any X58 memory controller. Alot of bad information in this thread.
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Memory Master

Agreed. I don't know why people are giving you this faulty advice either. If the memory is rated to run at 1.5Volts and 1600MHz, then, that's what it'll run at. You just have to select the proper memory profile in the system's BIOS.
Memory Expert

anort3 said:
If the RAM is listed as 1.5v DDR3 1600 cas 9 then it should run at the listed speed and voltage. You just need to go in BIOS and set it manually. As stated above just check you motherboard manual and it will tell you where to do this.

I have no idea why people are telling you to run it at 1.65v.....the RAM is listed as 1.5v and should work just fine at that voltage. also 12GB of DDR3 1600 does NOT overload any X58 memory controller. Alot of bad information in this thread.


If you have no idea why I am telling the OP about voltage and memory controller limitations, then do not ask the OP to read his mobo manual, but read it yourself. According to Asus Sabertooth X58 manual 2.4.2 Memory configurations -- Due to Intel spec definition, X.M.P. DIMMs and DDR3 1600 are supported for one DIMM per channel only, or in a 12GB config http://dlcdnet.asus.com/pub/ASUS/mb/LGA1366/Sabertooth_...
Memory Expert

abekl said:
Agreed. I don't know why people are giving you this faulty advice either. If the memory is rated to run at 1.5Volts and 1600MHz, then, that's what it'll run at. You just have to select the proper memory profile in the system's BIOS.


Asus Sabertooth X58 is not in the memory manufacturer Qualified Motherboards List. GSKILL F3-12800CL9T-12GBRL is not in SABERTOOTH X58 Memory QVL (Qualified Vendors Lists) for Bloomfield CPUs. Both memory and motherboard manufacturers do not advice the config you´ve recommended.



anort3 said:
Start with page 3-12 and enable XMP. If that does not work page 3-14 and 3-15 tell you how to manually set the frequency.

http://dlcdnet.asus.com/pub/ASUS/mb/LGA1366/Sabertooth_...


I set the ai tweaker to XMP and saved the settings

Upon reboot the bios now displays the memory running at 1600 and I am now running memtest86+ version 4.2.0

I was reading the manual myself about the XMP setting but was kinda scared to set it as I was not what it would do. Always best to ask the experts first before doing something.

So far everything is working. I will just let memtest run for 1 or 2 hours and ill let everyone know the results. Hopefully all the memory passes and there are no issues.

Memory Expert

FYI, BIOS updates often contain new memory profiles. I had memory issues until a BIOS update fixed them.

If Memtest says your good then great, it's 99% reliable for detecting RAM issues.

*If you overclock your CPU you'll screw up your RAM frequency if you do it incorrectly. Usually, simply increasing the Base Clock frequency overclocks the CPU and RAM equally which you do not wish.

If you overclock the CPU, you probably need to go into the RAM settings and adjust the multiplier so it ends up back at 1600MHz.

Just FYI, some motherboards may handle this differently. I don't have an X58 board.

photonboy said:
FYI, BIOS updates often contain new memory profiles. I had memory issues until a BIOS update fixed them.

If Memtest says your good then great, it's 99% reliable for detecting RAM issues.

*If you overclock your CPU you'll screw up your RAM frequency if you do it incorrectly. Usually, simply increasing the Base Clock frequency overclocks the CPU and RAM equally which you do not wish.

If you overclock the CPU, you probably need to go into the RAM settings and adjust the multiplier so it ends up back at 1600MHz.

Just FYI, some motherboards may handle this differently. I don't have an X58 board.



Thanks everyone.

Ram memtest86+ last night for about 4 hours plus. No issues found.

As for overclocking ill probably never do that as I'm happy with the system as it is now.


Thanks everyone for all the help. Most appreciated.
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