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A7N8X and Corsair XMS PC3500

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Charles Paluda

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Dec 11, 2002, 4:49:05 AM12/11/02
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Ok, it sounds like it does not like the PC3200 but what about the PC3500??
I was thinking of getting that anyway, but then I read the problems here
about Corsair XMS and this board and I don't know what to get now. Right
now I'm still using a couple of generic PC2100's so I really need something
and I want to be able to push it's performance like I would with the XMS
stuff. Or is this something that we just need to wait for a new BIOS
because it affects any memory at all that's PC3200 and above?


Chris Liberti

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Dec 11, 2002, 5:50:44 AM12/11/02
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well the problem lies with the board and the SPD information. If you have
some memory already look for what memory timings you want to setup for the
Corsair and set them manually in BIOS with the old memory still installed,
then save changes, boot, shutdown computer, install new memory and it should
work fine.


"Charles Paluda" <m...@here.net> wrote in message
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Matt

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Dec 11, 2002, 5:51:45 AM12/11/02
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It's the memory that's at fault here, not the motherboard. Anything above
PC2700 can become unstable when running more than one module in a
motherboard. This is an inherent limitation of current DDR memory.

"Charles Paluda" <m...@here.net> wrote in message
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Charles Paluda

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Dec 11, 2002, 6:20:50 AM12/11/02
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"Chris Liberti" <cli...@pacbell.net> wrote in message
news:8MEJ9.595$9U5.29...@newssvr14.news.prodigy.com...

> well the problem lies with the board and the SPD information. If you have
> some memory already look for what memory timings you want to setup for the
> Corsair and set them manually in BIOS with the old memory still installed,
> then save changes, boot, shutdown computer, install new memory and it
should
> work fine.
>

So as long as I turn off the SPD option (regardless of how slow or fast the
manual timings are) I should be able to boot just fine? In other words, my
current crappy memory runs at 3-3-3 with SPD on, so if I go to manual, just
leave it at 3-3-3 I should be fine and then can play with the settings to
find the optimal ones right? One other question, I'm planning of course on
using the dual memory controller banks but I'm not sure how much RAM I
should go after, was thinking either 2 256's or 2 512's. Besides the usual
games like FS2002, UT2003, Neverwinter Night's, and others, I also do
multi-track audio recording once in a while. I haven't had problems yet
with 512MB but just wondered if I should go for 1Gig especially since I'm
starting to get into some graphics and 3D graphic stuff a little.

Charles


edde

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Dec 11, 2002, 6:21:53 AM12/11/02
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Interesting. I wonder if the new bios fixes the problem.
Corsair PC3200 XMS is cheaper than the PC2700 XMS (here anyway) so i figured
i would get that.

"Chris Liberti" <cli...@pacbell.net> wrote in message
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edde

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Dec 11, 2002, 6:34:53 AM12/11/02
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I notice that at anandtech.com they ran a nforce2 motherboard shootout.
In it they used Corsair DDR400 Cas 2 memory and didnt report any problems.

"Charles Paluda" <m...@here.net> wrote in message

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Charles Paluda

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Dec 11, 2002, 6:54:10 AM12/11/02
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"edde" <wave...@hotmail.comNOSPAM> wrote in message
news:8pFJ9.6031$kK1....@news1.mts.net...

> I notice that at anandtech.com they ran a nforce2 motherboard shootout.
> In it they used Corsair DDR400 Cas 2 memory and didnt report any problems.
>

Yeah, and Tom's Hardware used the PC3500, DDR433, without reporting
problems. I'm just jumpy about "going for it" after a bad experience with
trying an Abit AT7 when they first came out. Lost 40 bucks in shipping
because the memory controller died on it during first boot. I'd had it
shipped overnight and then had to send it back to newegg on RMA for a
refund.


Courseyauto

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Dec 11, 2002, 7:18:43 AM12/11/02
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<<
I notice that at anandtech.com they ran a nforce2 motherboard shootout.
In it they used Corsair DDR400 Cas 2 memory and didnt report any problems.
>

The Corsair cas 2 memory has the SPD chip set to boot up at cas 2.5, you have
to manualy set the memory at cas 2.0. They do this so the different brands of
memory will at least boot up so you can set the ram to run at whar ever you
want. DOUG

Joachim Trensz

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Dec 11, 2002, 8:35:48 AM12/11/02
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Corsair XMS3500 (DDR433) is running flawlessly here.

The probs you've read about probably are caused by the fact that the
standards for DDR400 RAM haven't been defined yet.

According to what I've read in this thread:

http://www.houseofhelp.com/v2/showthread.php?s=f08383869cf3e2571db63ef8e0ee1
abc&threadid=9056

Corsair have set their SPD's in the RAM modules in question to a timing the
A7N8X board doesn't like for that particular parameter.

It seems to be nobody's at fault because Asus and Corsair did their best at
guessing what would become standard but guessed somewhat differently.

The solution seems to be to insert a different DIMM, set the timing options
to manual, and select something other than a value of '3', and then put the
Corsair RAM back in (detailed description given in the thread I've given the
link to above).

But anyway, as I said above, the Corsair DDR433 is working fine here for me.

Achim


"Charles Paluda" <m...@here.net> wrote in message

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> Ok, it sounds like it does not like the PC3200 but what about the PC3500??

...

Charles Paluda

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Dec 11, 2002, 8:08:25 AM12/11/02
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Sounds good to me, since that's what I planned on getting anyway. Now I
just have to decide between 2x256MB or 2x512MB sticks.

Charles

"Joachim Trensz" <atr...@hotmail.com> wrote in message
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Tony Hwang

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Dec 11, 2002, 11:32:00 AM12/11/02
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Hi,
Do this sticks have SPD?
Tony

John Krempasky

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Dec 11, 2002, 11:37:36 AM12/11/02
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Umm,

What if one doesn't have any other DIMMs (It's been a long time since
my last upgrade and I don't have any DDR) and no one to borrow any from? I
was planning to get this board and Corsair XMS but am rethinking it now.
Do I not only have to wait for a new bios, but make sure the board I get
COMES with the new bios?

Is there literally no way to get the board to boot and get into BIOS without
some old slow non-Corsair DIMMs?

Unknown

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Dec 11, 2002, 5:56:41 PM12/11/02
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I'm running Corsair Cas2 XMS3200 and it works fine. In fact, best
memory I ever owned.


On Wed, 11 Dec 2002 11:37:36 -0500, "John Krempasky" <jo...@dmv.com>
wrote:

Joachim Trensz

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Dec 11, 2002, 8:23:25 PM12/11/02
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I've read good comments regarding both, I'm personally using 2x256

Achim


"Charles Paluda" <m...@here.net> wrote in message

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John Krempasky

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Dec 11, 2002, 9:23:55 PM12/11/02
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From further research, it seems the Corsair/A7N8X problem only occurs with a
certain short series of either memory or the boards themselves..not real
clear on which one it is :-)

Hence the many people that report no problems. I think I'll wait to buy my
stuff till January.


"Joachim Trensz" <atr...@hotmail.com> wrote in message

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Dr. P. Padah

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Dec 11, 2002, 10:02:24 PM12/11/02
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Charles,

I'm running an A7N8X-Deluxe with two sticks of Corsair XMS PC3500 with
NO PROBLEMS. The memory is currently at 200MHz, CL 2.0-2-2-6, running
in sync with my TBred 2400 (which is at FSB-200, of course).

I'd say go for it. My Sandra mem benches are great, will post 'em soon
here.

-ntra


On Wed, 11 Dec 2002 09:49:05 GMT, "Charles Paluda" <m...@here.net>
wrote:

Nom

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Dec 12, 2002, 4:23:16 AM12/12/02
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New BIOS will sort it - as soon as it appears on ASUS's site, order your kit
:)

"John Krempasky" <jo...@dmv.com> wrote in message
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Nom

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Dec 12, 2002, 4:20:03 AM12/12/02
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"Charles Paluda" <m...@here.net> wrote in message
news:CHFJ9.145$MV5....@newsread2.prod.itd.earthlink.net...

> "edde" <wave...@hotmail.comNOSPAM> wrote in message
> news:8pFJ9.6031$kK1....@news1.mts.net...
> > I notice that at anandtech.com they ran a nforce2 motherboard shootout.
> > In it they used Corsair DDR400 Cas 2 memory and didnt report any
problems.
> >
>
> Yeah, and Tom's Hardware used the PC3500, DDR433, without reporting
> problems.

Both of which had a newer BIOS on their boards. 1003 I think.


Nom

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Dec 12, 2002, 4:19:34 AM12/12/02
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"Charles Paluda" <m...@here.net> wrote in message
news:mcFJ9.119$MV5....@newsread2.prod.itd.earthlink.net...

> "Chris Liberti" <cli...@pacbell.net> wrote in message
> news:8MEJ9.595$9U5.29...@newssvr14.news.prodigy.com...
> > well the problem lies with the board and the SPD information. If you
have
> > some memory already look for what memory timings you want to setup for
the
> > Corsair and set them manually in BIOS with the old memory still
installed,
> > then save changes, boot, shutdown computer, install new memory and it
> should
> > work fine.
> >
>
> So as long as I turn off the SPD option (regardless of how slow or fast
the
> manual timings are) I should be able to boot just fine? In other words,
my
> current crappy memory runs at 3-3-3 with SPD on, so if I go to manual,
just
> leave it at 3-3-3 I should be fine and then can play with the settings to
> find the optimal ones right?

That's correct.

> One other question, I'm planning of course on
> using the dual memory controller banks but I'm not sure how much RAM I
> should go after, was thinking either 2 256's or 2 512's. Besides the
usual
> games like FS2002, UT2003, Neverwinter Night's, and others, I also do
> multi-track audio recording once in a while. I haven't had problems yet
> with 512MB but just wondered if I should go for 1Gig especially since I'm
> starting to get into some graphics and 3D graphic stuff a little.

1GB will cost twice the price. If you can afford it, go for it. If not,
512MB is still a HUUUUUUUUGE amount of RAM :)


Nom

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Dec 12, 2002, 4:22:07 AM12/12/02
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"John Krempasky" <jo...@dmv.com> wrote in message
news:uveqqe4...@corp.supernews.com...

Just buy a crappy PC1600/DDR200 stick from eBay for a few $$'s

If you're REALLY tight, sell it on again when you've done with it. I'd
personally keep it though incase you need to use it again.


Nom

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Dec 12, 2002, 4:22:47 AM12/12/02
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"Tony Hwang" <drag...@shaw.ca> wrote in message
news:3DF76880...@shaw.ca...

> Hi,
> Do this sticks have SPD?

*ALL* DDR RAM has SPD.


Unknown

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Dec 12, 2002, 7:20:53 PM12/12/02
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I'd be grateful if you could describe the BIOS settings you used to
get the FSB to 200 with a TBird 2400.

I too have this processor and motherboard, but any attempts to drop
the multiplier and up the FSB (keeping CPU at default internal rating
of 2000) to allow me to sync my PC3200 memory has failed. All I get is
the boot screen reporting an Athlon XP 1800+ and then system stops
with a 'CPU Over Speed' notification.

Any help would be appreciated.

Nom

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Dec 13, 2002, 8:15:22 AM12/13/02
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<FaffMan> wrote in message
news:kn9ivuoug90e93srn...@4ax.com...

> I'd be grateful if you could describe the BIOS settings you used to
> get the FSB to 200 with a TBird 2400.
>
> I too have this processor and motherboard, but any attempts to drop
> the multiplier and up the FSB (keeping CPU at default internal rating
> of 2000) to allow me to sync my PC3200 memory has failed. All I get is
> the boot screen reporting an Athlon XP 1800+ and then system stops
> with a 'CPU Over Speed' notification.
>
> Any help would be appreciated.

You need to unlock your CPU in order to lower the multiplier

http://www.google.co.uk/search?q=athlon+2400+unlock


Unknown

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Dec 13, 2002, 6:10:58 PM12/13/02
to
Yes, I was aware of the article you refer to, but a recent AnandTech
test of nForce2 motherboards suggested that you don't need to unlock
the CPU. Relevant paragraph follows:

Using a factory locked Athlon XP 2400+ processor, all we had to do was
simply lower the CPU multiplier down to 8X and increase the FSB as
high as we possibly could without jeopardizing stability and without
increasing voltages. This was made possible by a great feature the
ASUS A7N8X Deluxe affords (as do all nForce2 motherboards), and that's
the ability to adjust the CPU multiplier in the BIOS without having to
do physical modification to the CPU. Therefore, all you have to do is
install your multiplier-locked Athlon XP CPU into your nForce2
motherboard and voila; you can adjust all the available multipliers to
your heart's content. However, make sure you purchase the right type
of Athlon XP; only Thoroughbred-B processors have this capability on
nForce2 motherboards. You cannot change the multiplier of a locked
Palomino or Thoroughbred-A processor in any of the six nForce2
motherboards being reviewed today.

Find it here: http://www.anandtech.com/mb/showdoc.html?i=1759&p=9

So who to believe ?


On Fri, 13 Dec 2002 13:15:22 -0000, "Nom" <N...@Somewhere.Somewhere>
wrote:

Robert Fortelny

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Dec 14, 2002, 4:57:25 PM12/14/02
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On Fri, 13 Dec 2002 23:10:58 +0000, FaffMan <> wrote:

>So who to believe ?
>

Both - Anandtech uses 1003-BIOS, which isn't avaiable yet! With this BIOS
your T-bred is unlocked and also lower multiplicators are selectable

Ciao, Robert :)
---
[ICQ: 20391482]

tweak

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Dec 15, 2002, 12:25:43 AM12/15/02
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Pay the $10 check-it-out fee the online bozos charge - they'll do that for
you!


"John Krempasky" <jo...@dmv.com> wrote in message
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Nom

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Dec 16, 2002, 7:17:55 AM12/16/02
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<FaffMan> wrote in message
news:h1qkvuc74na1cg9j1...@4ax.com...

> Yes, I was aware of the article you refer to, but a recent AnandTech
> test of nForce2 motherboards suggested that you don't need to unlock
> the CPU.

Until the new BIOS is released, you DO need to unlock the CPU.


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