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Ram socket voltage

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September 10, 2010 12:53:58 AM

Ive been looking at getting some new ddr3 ram for my GA880GMUSB3 mb. Specs say it runs 1.5v. Im looking at corsair ram but all theirs run at 1.65v. Cant find a clear answer anywhere on gigabyte if this will damage the mb or cpu or just decrease performance. Anyone know or have any experience running a similar Amd config?

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a b } Memory
September 10, 2010 12:58:47 AM

It will have no effect & won't damage your CPU or MOBO. You just set your DRAM Voltage to 1.65V in your BIOS than set any required frequency & timing changes need to match the RAM specifications.
a c 347 } Memory
September 10, 2010 1:03:02 AM

What Corsair DDR are you looking to get? Yes, 1.65V is not unusual with faster DDR.

References:
4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory (Note 1)
Dual channel memory architecture
Support for DDR3 1800 (OC)/1666/1333/1066 MHz memory modules (Note 2)
(Note 1) Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB.
(Note 2) To reach DDR3 1800MHz or above, you must install two memory modules and install
them in the DDR3_3 and DDR3_4 memory sockets.
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September 10, 2010 2:31:04 AM

tecmo34 said:
It will have no effect & won't damage your CPU or MOBO. You just set your DRAM Voltage to 1.65V in your BIOS than set any required frequency & timing changes need to match the RAM specifications.


Do you mean i should manually change the bios voltage to 1.65V or would it be fine left at 1.5V?

Im looking at the TW3X4G1600C9D modules. They are listed on the website as compatible with my mb.

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a c 347 } Memory
September 10, 2010 2:47:22 AM
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^ Yes, speaking for tecmo34 I'm certain he did as do I mean to set the BIOS DRAM Voltage {DRAM Configuration} to 1.65V. Also, verify the Memory Multiplier {Memory Clock} ~ 1600 MHz and set the CAS {DRAM Configuration} timings manually @ 9-9-9-24.

Good Luck!
a b } Memory
September 10, 2010 2:53:41 AM

You have spoken correctly for me... :) 
a c 347 } Memory
September 10, 2010 3:14:06 AM

@ tecmo34 - I swear I wasn't trying to parrot you; I came here w/ 0 replies and while I was looking for the MOBO "caveats" you typed the basic info and posted.
a b } Memory
September 10, 2010 3:20:53 AM

Feel free to parrot talk for me... Sometimes I need the help to clearly get my point across [:mousemonkey:5]
a c 347 } Memory
September 10, 2010 4:54:04 AM

Some folks write their thesis to answer...I get blurry eyed.
!