Memory/Motherboard voltage

Shuriken · 07-31-08, 09:24 AM

My potential system includes:

GA-EP45C-DS3
OCZ DDR2 PC2-8500 / 1066 MHz / Reaper HPC Edition / 4GB / Dual Channel

Now, perhaps this is not an issue at all, but since I'm kind of a beginner in this, I'll ask anyways...

the RAM has a (recommended?) voltage of 2.1-2.2V, the MB on the other hand has 4 slots for 1.8V DDR2 memory. Are these two compatible? Should I be worried?

thideras · 07-31-08, 09:40 AM

to the forums!

1.8v on the board just means that is the "default" voltage, you can set it higher. Since the RAM is rated for 1066 @ 2.1v, my guess is they should do 800 @ 1.8v for the first time you start it up. Basically, you just need to force it to 2.1v and then change the RAM speed to its rated speed.

meionm · 07-31-08, 11:14 AM

It will work with the motherboard but you have to set speed/voltage manually and have multiplier that goes that high. Without any adjustment to speed, memory will run at 1.8v and pc6400 speed

07-31-08, 09:24 AM	Thread Starter #1
Shuriken Registered Join Date: Jul 2008	Memory/Motherboard voltage My potential system includes: GA-EP45C-DS3 OCZ DDR2 PC2-8500 / 1066 MHz / Reaper HPC Edition / 4GB / Dual Channel Now, perhaps this is not an issue at all, but since I'm kind of a beginner in this, I'll ask anyways... the RAM has a (recommended?) voltage of 2.1-2.2V, the MB on the other hand has 4 slots for 1.8V DDR2 memory. Are these two compatible? Should I be worried?
	QUOTE Thanks

07-31-08, 09:40 AM	#2
thideras Banned Neckbeard Moderator Premium Member #3 Join Date: May 2006 Location: South Dakota	to the forums! 1.8v on the board just means that is the "default" voltage, you can set it higher. Since the RAM is rated for 1066 @ 2.1v, my guess is they should do 800 @ 1.8v for the first time you start it up. Basically, you just need to force it to 2.1v and then change the RAM speed to its rated speed. __________________ Desktop: Gigabyte Z77X-UD5H \| 3570k 4.6 GHz \| 32 GB GSkill Ares \| GTX 570 \| 180 GB Intel & 2 TB total \| Arch Linux and Windows 7 Main server: 37 TB raw disk \| 2x Opteron 6134 \| Asus KGPE-D16 \| 48 GB RAM \| LSI 8708EM2 \| CentOS 6.2 VM Server 1: Dell R510 \| 2x E5645 \| 128 GB RAM \| 4x 300 GB Velociraptor \| Xen Cloud Platform (XCP) VM Server 2: Dell R710 \| 2x E5645 \| 288 GB RAM \| 8x 300 GB Velociraptor \| Xen Cloud Platform (XCP) "That's not overkill, or a lot. That's just thiderastic." -txus.palacios Current projects: Rackmount Overkill (New) \| 30/45 hard drive server Articles: Rack Mounting 101 \| Dell Perc 5/i Throughput Benchmarks Past projects: Software RAID \| The Dragon Case My Website *Want to talk directly to all* the moderators at once? Call the Mod Hotline!**
	QUOTE Thanks

07-31-08, 11:14 AM	#3
meionm Member Join Date: Mar 2004	It will work with the motherboard but you have to set speed/voltage manually and have multiplier that goes that high. Without any adjustment to speed, memory will run at 1.8v and pc6400 speed
	QUOTE Thanks

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