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Omega65
22 Sep 2003, 11:25am
Xbitlabs: <a href="http://www.xbitlabs.com/news/memory/display/20030921234721.html" target=_blank>OCZ Launches PC3200 Memory for AMD Athlon 64 FX CPUs</a>

OCZ DDR PC3200 ECC Registered modules will function at 400MHz with CL 3-3-3-8 latencies to provide peak theoretical memory bandwidth for AMD Athlon 64 FX processors with dual-channel memory controller of up to 6.40GB/s. Just like other memory modules from OCZ, these utilize the firm’s Ultra Low Noise shielded PCB as well as are equipped with copper heat-spreaders.

The modules will be available in both 256MB and 512MB versions. Pricing is not announced at this time, but registered memory modules with ECC support always cost more than typical memory devices of the same speed.

OCZ specifically reminds (us) that the product had been specifically designed for use on the AMD Athlon 64 FX platform and should not be used on any other desktop platform

<a href="http://www.xbitlabs.com/news/memory/display/20030921234721.html" target=_blank>more here</a>

Product Link: <a href="http://www.ocztechnology.com/products/memory/OCZ+PC-3200+ECC+Registered+Dual+Channel+DDR" target=_blank>OCZ PC-3200 ECC Registered Dual Channel DDR</a>
danball1976
22 Sep 2003, 11:34am
Latency is a bit high don't you think? Or is it because of the added ECC correction.
mmonnin
22 Sep 2003, 1:29pm
Prolly because of ECC.
RWB
22 Sep 2003, 4:03pm
Considering the ECC, I'd say that is pretty damned nice, but it better not be pricey.
primesuspect
22 Sep 2003, 4:18pm
You have to look at these as a whole new animal though, and throw your ideas about latency and its relation to performance out the window. The memory has no more bus to bottleneck it. The memory performance on these is huge.
TheLostSwede
22 Sep 2003, 4:42pm
Prime is right on it here.

Not only for us, this is all new stuff. Even the memory manufacturers have a new line to sell. Expect all the others to come up with this sort of things. Then 3500, then 3700 etc. Then back to low latency and so on.

I have seen some 3d benches with the new AMD and i tell ya, it just KILLS ANY Pentium by horselengts. The memory bandwidth at as low as 210 fsb is just crazy. Imagine over 250.
Christ!
leishi85
22 Sep 2003, 8:39pm
yeah the bench of the new athlon, over 26k on 3dmark2001, finally give the crown to AMD.
Thrax
22 Sep 2003, 9:59pm
The added latency of Cas3 amongst other timing increases on memory modules is offset 110% (And I mean that as a literal number) by a direct motherboard-trace connection between CPU and memory.

Memory bandwidth on the Opteron is 20-50% more than anything we have now at identical bus speeds.

You think 2.6GB/s of bandwidth is good for pc2700? Try staring 3.0-3.4GB/s.
Mt_Goat
22 Sep 2003, 11:48pm
I started looking around out of curiosity and found this from Mushkin. (http://www.mushkin.com/epages/Mushkin.storefront/3f6f79ef065a04c8273fc0a801050609/Product/View/991120) They list theirs at 2.5-3-3 ? and Newegg lists it as in stock (http://www.newegg.com/app/ViewProduct.asp?DEPA=1&submit=manufactory&catalog=147&manufactory=1504&description=&page=2)(about half way down the page).
Omega65
23 Sep 2003, 2:11am
Way ahead of you Partner!

Omega65 said (http://www.short-media.com/forum/showthread.php?postid=39571#post39571)

Registered PC3200 is starting to show up!

Mushkin PC3200 ECC Registered (http://www.newegg.com/app/viewproduct.asp?DEPA=1&amp;submit=Go&amp;description=N82E16820146211) 512MB $180 (@ Newegg.com)

Mushkin PC3200 ECC Registered Product Page (http://www.mushkin.com/epages/Mushkin.storefront/3f6b586408f55aa02740c0a80105064c/Product/View/991120) $280 here (Ouch!)

Kingston ECC Registered PC3200 (http://www.ec.kingston.com/ecom/configurator/PartsInfo.asp?ktcpartno=KRX3200K2/1G ) 1GB Kit HyperX Reg ECC DDR 400MHz 3-3-3 ~$450
danball1976
23 Sep 2003, 4:19am
Hmmm...

I guess I'll have to save up $1000 so that I can upgrade to AMD64, but then I'll have to wait for Windows64 though.

Or maybe just upgrade to a ABIT NF7-S and a Barton in the meantime, and wait for 64bit prices to drop.
SimGuy
24 Sep 2003, 5:13am
Do you HAVE to use ECC memory with the Athlon 64 FX, or is there a way to disable ECC within the BIOS?
Omega65
24 Sep 2003, 8:57am
As of right now, Socket 940 CPUs (Opteron 1xx, 2xx, 8xx and Athlon 64 FX-xx) require Registered ECC DDR.

However Socket 940 mobos that can use regular unbuffered DDR are rumored to be on the way.
Mt_Goat
24 Sep 2003, 1:45pm
danball1976 said
Hmmm...

I guess I'll have to save up $1000 so that I can upgrade to AMD64, but then I'll have to wait for Windows64 though.

Or maybe just upgrade to a ABIT NF7-S and a Barton in the meantime, and wait for 64bit prices to drop.

Ahh yes! We can not forget about the effect of 64 bit on the illustrious Bill Gates.
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Here I included a picture of Bill Gates anticipating the arrival of Windows 64.
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http://animatedtv.about.com/library/graphics/mrburns.jpg
SimGuy
24 Sep 2003, 1:59pm
Omega65 said
As of right now, Socket 940 CPUs (Opteron 1xx, 2xx, 8xx and Athlon 64 FX-xx) require Registered ECC DDR.

However Socket 940 mobos that can use regular unbuffered DDR are rumored to be on the way.

I'm guessing they will have memory controllers built into the MCH/North Bridge, as AFAIK AMD would have to re-vamp the core of the Opteron/Athlon FX lineup in order to be able for its integrated memory controller to utilize unbuffered DIMM's?