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Gigabyte GA-MA790XT-UD4P + TW3X4G1600C9DHX


babdi

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Hello Everyone ,newbie here :):

I am unable to run the memory at 1600 Mhz.

When I wrote to Gigabyte they said their DIMMs support 1.5 v and they will not be liable if anything happens by using 1.8 v :(:

The system defaults to 1066 Mhz when I load "Optimized settings".

Can anyone help me run at normal CPU speed, 1600 Mhz RAM without crashing

please.

Thank you

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Thank you Ramguy.

This leads to 2 questions

1) What are the settings of CPU,RAM to run,crashfree, at 1600 Mhz

2) To run at 1333 Mhz.

I work video editing softwares like Corel Video Studio VS12 pro and Cyberlink power director 7.0 ultra.

Editing and rendering are mission critical and hence would not like my PC to crash on me :roll:

 

PS: Can AMD overdrive software configure/suggest optimum settings for me automatically ?

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  • Corsair Employees

1) What are the settings of CPU,RAM to run,crash free, at 1600 Mhz?

A: There is no way I can answer that because it is over clocking and you would just need to experiment to get the most stable setting.

2) To run at 1333 Mhz.

A: Just load setup defaults and the set the memory frequency at DDR1333 and the voltage that is printed on the modules and set the tested settings Mnaually Cas 9-9-9-24.

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Talking of memtest, I downloaded and worked memtest86,v3.5. When I select 3.5 it starts and my system reboots. The same thing happened with ver 3.5 exprimental. v 3.4 works fine.

Any reason why 3.5 fails to work.

I had set the mem at 1600 Mhz,9-9-9-24 1.8 V, CPU at 3.2 Ghz,rest at default:confused:

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Thank you wired. One stick tested at a time on all slots. All fine :biggrin:

My system now runs at 3.5 Ghz,1333 Mhz,9-9-9-24,1.8v.

I tested 2 video editing applications and both worked fine.

 

Running at 1600 Mhz is unstable and crashed often.

What do I need to tweak ( one step at a time ) to get my system working at 1600 Mhz.

Thanks

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The video application crashes/ hangs when set to 1666 MHz. CPU set to 3.2,3.3,3.4,3.5 and 3.6 Ghz.

I tried increasing the memory voltage 1.8 +0.5 v.

Tried latency from 11 to 7 RAS CAS delay from 20 to 30

 

No additional cooling devices

Any suggestions

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I tried to increase the memory voltage upto 2.1 at 1600 Mhz,

Tried Latency settings from 7-7-7-24 to 11-11-11-30,

Tried CPU settings from 3.2 Ghz to 3.6 Ghz

By the way how over voltage is safe for the memory

 

My system is stable otherwise with 3.6 CPU,1600 Mhz,9-9-9-24 1.8 V.

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Update

Memtest V 2.11 redone 3 passes. result pass

CPU 3500 Mhz

Memory 1600 Mhz

Latency 9-9-9-24

Memory voltage 1.8

DIMM 0 & 2 - Mem freq.586 Mhz,DDR 1 - 1172, CAS 2.5-1.3.5

DIMM 1 & 3 - Mem freq.390 Mhz,DDR-1 - 781, CAS 0-7-0 while memtest is running

Why does it show 2 different frequencies ?

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Result of oveclocking with AMD overdrive. Test run for 1 hour. Result = Pass

 

Cool & Quiet enabled

Additional 2.5" fan added to cool CPU.

All settings done at BIOS

BIOS version F4G

 

CPU

Phenom 955

Set speed 3600 Mhz,

CPU VID - 1.35 V

NB VID - 1.1 V

NB Core -1.1 V

SB Core -1.2 V

Actual speed - 3617 Mhz.

HT Ref clock - 200.95

NB speed - 2009 to 2010

NB Multiplier - 10X

Fan speed - 6300-6500

Max temp 60.5 deg C

 

Memory

1600 Mhz,

Voltage - 2.05

Mem freq. - 803.7

Dual channel,Unganged

Latency 7-7-7-25

Temp 56-57 deg C

 

Motherboard - GAMA790FXUD4P

 

Graphics card - nVidia - GTS 250 1 GB

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Thank you RAMGUY. Since it has passed 1 hour stability test of AMD over drive software I can be sure that the system is stable.

 

Few questions

Since my system does work when set to lower/higher CPU speed with memory clock at 1600 Mhz and voltage set to less than 2.1 in BIOS

1) Will running the memory at 2.05 V cause harm or RAM failure.

2) Will the performance life of the RAM get reduced because of higher voltage.

3) What is the extreme voltage and speed the RAM is put through in the Test Labs.

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Max memory Voltage for DDR3 is 2.0 Volts and you should not have have to use more than about 1.8 Volts to get the tested settings of the modules.

And the tested setting are all I can promise, there is some extra guard band built into our production test but that is not made public sorry!.

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Update

The system with said configuration in earlier post becomes unstable after few days. Is there any settings I need to try to change to make the system permanently stable.

Recap

CPU 3600,1.3 Voltage

Memory 1600,2.01 volts

Rest default.

Result = Hangs after few days

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Current settings

 

CPU

Clock speed = 3600 Mhz

CPU VID = 1.35 V

NB VID = 1.1 V

NB Core = 1.1 V

SB Core = 1.2 V

HT = 200

NB speed = 2000

NB Multiplier = 10x

 

MEMORY

Clock speed = 1600 Mhz

Latency = 7-7-7-25

Voltage = 2.05

Dual channel,unganged

 

Memory voltages less than 2.05 V does not pass 1 hour stability test of AMD overdrive.

 

I had also tried Latency with 9-9-9-24 to 30 and 8-8-8-24 to 30 with settings as above. No good.

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