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amd64 ram overclock question

D

dharhan

n00b
Joined
Jan 28, 2005
Messages
17
I'm buy a new system and doing my first overclock in a week and I'm pretty sure I've got all the details nailed down from reading forums but there is still one thing I havn't managed to find anything on.

With the A8N-SLI motherboard the manufacturers page says it only supports up to DDR400 ram (PC3200)
http://www.asus.com/prog/spec.asp?m=A8N-SLI Deluxe&langs=01

Now I'm planning on overclocking the 90nm amd64 3200+ on a watercooled system and I'm pretty sure from reading others posts that I can't get 1:1 with only ddr400 on this system.


Question is; When the manufacturer says it only supports DDR400 does that mean the system wont boot with faster ram, or that faster ram will only run at ddr400 speed?

Also if it only supports ddr400 where does that leave me for overlocking ram that starts at ddr400?

Thanks in advance.
 
its the same way with all the nforce2 boards as well its only rated up to ddr400 but you can throw other higher spec ram in there but its just going to default to ddr400 speeds you will have to manually overclock it to get it to where you want. So fear not my fellow, you can get higher specs you just need to take it there and you probably can since your running a watercooled setup, just make sure you have a good powersupply with that.
 
Antec TruePower 480 PSU so I should be fine there.

As for the board defaulting my ram and manually overclocking it. Does that mean I can put in DDR500 ram and "overclock" it from ddr400 back to ddr500 or did you just mean that there is no mobo enforced limit on overclocking ddr400 ram?
 
dharhan said:
Antec TruePower 480 PSU so I should be fine there.

As for the board defaulting my ram and manually overclocking it. Does that mean I can put in DDR500 ram and "overclock" it from ddr400 back to ddr500 or did you just mean that there is no mobo enforced limit on overclocking ddr400 ram?
Click to expand...
i don't think you'll be fine with that power supply, if its the one i'm thinking off. that one doesn't have a 24pin mobo connector and pci-x connectors, does it? or are you talking about the neopower?

yes from ddr400 Slowly back to ddr500 not just one big jump, that would be extremely silly. they should come out with more bios' in the future to improve the overclocking abilities, but i'm not too familiar with the board.
 
Okay cool. Thanks for clearing that up for me. :D

As for the power supply I'm buying a seperate 20 -> 24 pin converter to go with it.
 
dharhan said:
Okay cool. Thanks for clearing that up for me. :D

As for the power supply I'm buying a seperate 20 -> 24 pin converter to go with it.
Click to expand...
that will probably not suffice, your going to need to buy another powersupply because what are you going to do with the pci-x cards, they need that power. HardOcp did a review on sli which confirms that more power then your regular atx power supply is going to be required.
 
all mobos are DDR400 because anything above is not standard - i.e. JEDEC only standartized PC3200 and only DDR2 above that. So mobo manufacturers can't really claim to support anything exceeding the DDR400 speed because there is not standard applicable to to that :D
 
TehQuick said:
all mobos are DDR400 because anything above is not standard - i.e. JEDEC only standartized PC3200 and only DDR2 above that. So mobo manufacturers can't really claim to support anything exceeding the DDR400 speed because there is not standard applicable to to that :D
Click to expand...

That explains alot actually. I was wondering about that. Thanks :D
 
Just incase anyone pulls this thread up in a forum search here is the ram I decided to go with G.SKILL Extreme Samsung TCCD 1Gb Kit Dual Channel Series PC4400.

G. SKILL Extreme Samsung TCCD 1Gb Kit Dual Channel Series PC4400

The G. SKILL Extreme Samsung TCCD 1Gb Kit is a matched pair of 512mb Samsung TCCD PC3200 modules capable of running CAS 2-2-2-5 at PC3200 (DDR400) and an impressive CAS 2.5-3-3-7 at PC4400 (DDR550)!
Click to expand...
http://www.octools.com/index.cgi?caller=articles/gskill/pc4400/pc4400.html

Hopefully this stuff will last me through my next upgrade. It's probably the most expensive ram I've ever seen but from all reviews and far as AMD CPUs go this stuff is gold and it should be cheaper than buying two more high performance sticks when I next upgrade.

Cheers. :)
 
You are building the exact same system I am, complete with watercooling. The ram has always been the part which I didn't know who I wanted to go with. I was recommended G.Skill memory as well so I'm curious to see how it performs.

Let us know how it all works out. I'll probably be making my purchase sometime in the next couple weeks.
 
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