Burning question about Memory speed..??!!!

bill1clinton · 03-31-2003, 06:31 PM

hello, I just read a review about the A7N8X running with a XP3000+ and they stated and showed in benchmarks that the rig runs FASTER with the memory at 333mhz then at 400mhz...now taking this at face value, I am running a 2400+(266fsb), does this mean I will get faster performance running my memory at 266mhz, in sync with the fsb, then at 400mhz???

here is the url to the review: http://www.tech-report.com/reviews/2...a/index.x?pg=5

in the 2nd paragraph...thanks to all that can give me some feedback..

bill1clinton · 03-31-2003, 11:52 PM

aww come on guys, I REALLY want to know if anyone has any experience with this...

**Gorganzola** · 03-31-2003, 11:56 PM

The reason that the 333MHz FSB runs faster has to do with memory latencies. The DDR400 memory technology allows for higher bandwidth, but at the cost of higher latency, thus slowing things down.

Running at DDR400 will be faster then DDR266, if your memory can handle it.

The best way though, is to test it as sometimes each case is different.

Ec]-[oMaN · 03-31-2003, 11:57 PM

i dont know for sure but y dont you fiddle around if you have some time, play with 266mhz, 333 and 400ddr speeds with sandra mem banwidth and you will get an answer,also i dont know if that story running in sinc holds true with every cpu and ram

bill1clinton · 04-01-2003, 12:01 AM

hey thanks guys..I really appreciate the advice..
by the way, do you know whether the new bios 1002a will unlock my 2400+?? thanks.

**Gorganzola** · 04-01-2003, 12:14 AM

To clarify, the first and second lot of them are rumoured to have been unlocked. But they aren't supposed to be unlocked.

bill1clinton · 04-01-2003, 01:56 AM

I'm sorry, but what do you mean 1st and 2nd lot?

**Gorganzola** · 04-01-2003, 02:00 AM

A lot number refers to the assembly line they came off and when they came off it. So, lot 1 comes before lot 2.

Quote:

Originally posted by bill1clinton
I'm sorry, but what do you mean 1st and 2nd lot?

bill1clinton · 04-01-2003, 02:06 AM

ah, so how am I to find out which "lot" my 2400+ is? thanks.

**Gorganzola** · 04-01-2003, 02:09 AM

It would be written on the CPU. It is in all those fancy numbers that are printed on the CPU. I haven't a clue how to interpret them perhaps someone can pickup the ball here.

Quote:

Originally posted by bill1clinton
ah, so how am I to find out which "lot" my 2400+ is? thanks.

bill1clinton · 04-01-2003, 02:17 AM

ah I see, thanks for the info..by the way, I'm from edmonton, alberta too...

**Gorganzola** · 04-01-2003, 02:22 AM

Cool, welcome to the forums. How did you stumble upon it?

bill1clinton · 04-01-2003, 10:57 PM

me? I think a topic here was linked to thetechzone.com forum so I followed it here..and I love it here..
are you a tech?

**Perry_abx** · 04-01-2003, 11:56 PM

The nForce2 performs best with the memory and FSB running at the same speed. So basically set your BIOS to run 100% of the FSB speed. The test in that and many other reviews are running the memory higher than the FSB. This doesn't help on an Athlon system since the highest an Athlon based system can really take advantage of is DDR333 or 2700 mb(s) bandwidth.

BUT... if you keep the mem in 'sync' with the FSB and can run say 200FSB or that times 2 for DDR400 you will see an increase in performance. Basically it always best to keep the memory and FSB in 'sync' rather than 'async' on most any Athlon system.

03-31-2003, 06:31 PM	#1
bill1clinton Registered User Join Date: Feb 2003 Posts: 42	Burning question about Memory speed..??!!! hello, I just read a review about the A7N8X running with a XP3000+ and they stated and showed in benchmarks that the rig runs FASTER with the memory at 333mhz then at 400mhz...now taking this at face value, I am running a 2400+(266fsb), does this mean I will get faster performance running my memory at 266mhz, in sync with the fsb, then at 400mhz??? here is the url to the review: http://www.tech-report.com/reviews/2...a/index.x?pg=5 in the 2nd paragraph...thanks to all that can give me some feedback..
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03-31-2003, 11:52 PM	#2
bill1clinton Registered User Join Date: Feb 2003 Posts: 42	aww come on guys, I REALLY want to know if anyone has any experience with this...
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03-31-2003, 11:56 PM	#3
Gorganzola ABXZone > Facebook Join Date: May 2001 Location: Hangin' with the fruits Posts: 9,400	The reason that the 333MHz FSB runs faster has to do with memory latencies. The DDR400 memory technology allows for higher bandwidth, but at the cost of higher latency, thus slowing things down. Running at DDR400 will be faster then DDR266, if your memory can handle it. The best way though, is to test it as sometimes each case is different. __________________ TTFN. I wasn't asleep at the switch, I was drunk. -- Homer J. Simpson Q. How many dull people does it take to change a lightbulb? A. One. A very useful tool on these forums: You can Meebo in public.
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03-31-2003, 11:57 PM	#4
Ec]-[oMaN EeHHh Join Date: Jul 2002 Location: Toronto,Ont. Posts: 1,979	i dont know for sure but y dont you fiddle around if you have some time, play with 266mhz, 333 and 400ddr speeds with sandra mem banwidth and you will get an answer,also i dont know if that story running in sinc holds true with every cpu and ram __________________ "Rudeness is the weak man's imitation of strength." AMD 64 3200 DFI Lanparty Ultra-D 704-2 Ocz Plat.Rev2 pc3200 Sapphire x800gto2 WD 250gb/16mb Ocz 420w Powerstream
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04-01-2003, 12:01 AM	#5
bill1clinton Registered User Join Date: Feb 2003 Posts: 42	hey thanks guys..I really appreciate the advice.. by the way, do you know whether the new bios 1002a will unlock my 2400+?? thanks.
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04-01-2003, 12:14 AM	#6
Gorganzola ABXZone > Facebook Join Date: May 2001 Location: Hangin' with the fruits Posts: 9,400	To clarify, the first and second lot of them are rumoured to have been unlocked. But they aren't supposed to be unlocked. __________________ TTFN. I wasn't asleep at the switch, I was drunk. -- Homer J. Simpson Q. How many dull people does it take to change a lightbulb? A. One. A very useful tool on these forums: You can Meebo in public.
(Online)

04-01-2003, 01:56 AM	#7
bill1clinton Registered User Join Date: Feb 2003 Posts: 42	I'm sorry, but what do you mean 1st and 2nd lot?
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04-01-2003, 02:06 AM	#9
bill1clinton Registered User Join Date: Feb 2003 Posts: 42	ah, so how am I to find out which "lot" my 2400+ is? thanks.
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04-01-2003, 02:17 AM	#11
bill1clinton Registered User Join Date: Feb 2003 Posts: 42	ah I see, thanks for the info..by the way, I'm from edmonton, alberta too...
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04-01-2003, 02:22 AM	#12
Gorganzola ABXZone > Facebook Join Date: May 2001 Location: Hangin' with the fruits Posts: 9,400	Cool, welcome to the forums. How did you stumble upon it? __________________ TTFN. I wasn't asleep at the switch, I was drunk. -- Homer J. Simpson Q. How many dull people does it take to change a lightbulb? A. One. A very useful tool on these forums: You can Meebo in public.
(Online)

04-01-2003, 10:57 PM	#13
bill1clinton Registered User Join Date: Feb 2003 Posts: 42	me? I think a topic here was linked to thetechzone.com forum so I followed it here..and I love it here.. are you a tech?
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04-01-2003, 11:56 PM	#14
Perry_abx Modulator Join Date: Mar 2001 Location: Saint Paul, MN - USA Posts: 5,912	The nForce2 performs best with the memory and FSB running at the same speed. So basically set your BIOS to run 100% of the FSB speed. The test in that and many other reviews are running the memory higher than the FSB. This doesn't help on an Athlon system since the highest an Athlon based system can really take advantage of is DDR333 or 2700 mb(s) bandwidth. BUT... if you keep the mem in 'sync' with the FSB and can run say 200FSB or that times 2 for DDR400 you will see an increase in performance. Basically it always best to keep the memory and FSB in 'sync' rather than 'async' on most any Athlon system. __________________ Gigabyte GA-P35-DS3L, Intel Core 2 Duo E8400, 2 x 1GB Kingston HyperX DDR2-1066, Palit 9600GT Sonic, Hauppauge WinTV-HVR 1600, 250GB Seagate, 250GB Maxtor, Lite-On XJ-HD166, NEC ND-2510A, Antec SLK3700BQE, Antec SP-500, LG L226WT Widescreen
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