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Nf7-s Rev 2.0 | Corsair Pc3200 Xl Cmx-2x512


mjs1231

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metest86 3.2

tested @ 5222 @ 2.8v @ 400fsb

cpu 3200 + @ 400 fsb @ 1.65 v

 

memtest passed

 

thank you once again

 

that is all I ask for

thow is has taken over a month and way more money has been lost but.....

glad this is over with

 

consumer.

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hey i got the ram installed and it works great, bad thing is....

 

my pc power and cooling psu i just baught, the fan inside is super loud, rattling , sounds like it is bad

 

now i gotta send it back

wow

i must have the worst luck with hardware

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  • 3 weeks later...

ok

 

first of all the psu i got lasted for 4 days, woke up at 5 am turned on pc and ...........................

 

there was a bright flash and a loud pop

 

i thought omfg what now ????????

 

well... the psu blew up inside and was dead, furthermore after i took it out there was something loose rattling around inside lololololol needless to says i was pissed and not even awake yet ( no coffe or food )

 

ok woke up had coffe and food

better mood lol

 

On the bright side they overnighted me a new 510 deluxe and paid for cod.

 

 

i nstalled the 2nd 510 and was greeted with the loud *** rattle again.

 

turns out they use a delta fan for this psu, it being in my room , my girl friend flew off the handle telling me to send it back.

 

This fan is insane, i totaly beleive this is a server psu,

 

ok next I was frustrated , my girl was pissy and now i had a real problem.....

 

so I called pc p&c to report this, they told me to make sure my case air flow is correct lololol ( rember me saying i got 3 92mm pushing in and 1 92mm pushing out ) so i just laughed and said u got to be kidding.

 

I asked if they would recomend a new part or device or anything to to resolve this ???? they said if you open the case to the psu , you void the warranty.

 

so i just laughed again and said u r kidding right ???

 

they said no lol

 

so at that moment i knew i was on my own.

 

did some research, more and more

 

and i found a resolution...........

 

purchased a enermax 80mm dual bearing speed adjustable fan

very nice fans i use for everything in my case.

 

this is the kicker .....

 

the fan comes with a molex connector and it has seperate 3 prong connector like the ones found on motherboards

 

that 3 prong only has positive and negatiive wires only, 3rd prong is not used.

 

i removed the 3 prong connector from the enermax fan with wire cutters and left about 3 inches for future modifications .

 

 

ok now the important part

 

i usedl wire cutters

clipped off the back peice of plastic from the 3 prong and clipped off the 3rd pin that is not used, so not i ended up with a 2 prong connector with

+ and - and no plastic lip.

 

then again cut that connector and left 2 inches and mated it to the enermax

+ and - so now the enermax fan was only using 2 prongs.

( rpm wire no longer used )

 

the stock delta fan only has 2 wires + and - and there is a connector right by the fan inside the psu ( i assume for quick replacement )

 

now i mounted the new enermax 80mm fan inside the psu and pluged in right into the the psu's fan harness and made sure the speed was set to high.

 

this way I avoided voiding the warranty , and if i need to send it back again i will just swap the delta back in because no wires on the delta or the psu were modified.

 

end result

 

first

 

this psu pumps out some serious heat even idling why my cpu is 98 f and chipset is 71 f

 

it is now very quiet in retrospect to the delta.

 

it still blows alot of air but the rattle is completely gone.

 

I highly recomend this mod to anyone with a 510 deluxe.

 

ok on to the pc3200 xl 512x2 ddr

 

i have mixed feeling about this memory.

 

currently using newest stock bios from abit

default cpc = 1t

 

the cpu is set up as 3200 + 200x11 @ 1.7 v

the ddr is set to 400 fsb @ 2.88 v 11 2 2 2.0

 

no matter what i try i can not get this ram above 400 fsb

 

even 1 mhz higher i get memory failures with memtest86

 

i have tried every timming possable all the way to 11 4 4 3.0 @ 2.99 v

 

ddr ratio set to 6/6

 

i can not seem to acheive over 3098 in everest read bandwidth test

 

at this point i am stumped

 

i have read in many forums that if relaxed this ddr will go much higher than 400 and be stable

 

maybe a motherbord issue maybe just the limit of this ddr

 

i'm stumped man

 

chipset voltage is 1.7

ddr slot 1 and 3

 

just seems like something is not right

 

oh ya i tested this system with a cpc= 2t bios and i got higher fsb but no gain in bandwidth

 

410 is same as 400 with 1t and over 410 i get errors in memtest

 

so i know now why that setting it is left out of stock bios's

 

well I have hit a brick wall hard ( slamm )

 

let me know what you think, or if you have any info that might help out.

 

thanks bro

 

happy new year, turned 35 on the 31st

 

my b day 12/31/69 lol

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well here is something weird

 

@ 9 2 2 2.0 @ 2.9 @ 420 fsb

seems stable

 

all i did was swap ddr and reboot

 

1 in 3 and 3 in 1

swapped

 

rock stable @ 420 @ 9 2 2 2.0

30 mins of nfs u 2 with video card overclocked

 

not bad

 

 

will keep posted

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Seems i was a bit wrong again lol

 

I cant get this ram over 400 fsb with out issue with games, even with very low cpu multipliers.

 

Dont get me wrong I still like it and it runs rock solid @ 400 fsb @ 2.77 v

 

I think its probably my motherboard, it will boot @ 420 fsb and pass's memtest but it makes my system unstable.

 

so I am assuming its is something else, hidden feature lol

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well i have allways ran agp @ 66

 

I installed the nvidia ntune application and it tested and reboot my system a few times and it set my ddr to 420 fsb @ 2.88 @ 9 2 2 2.0

 

and my machine boots to windows just fine.

 

but apps and games are unstable.

 

does that ram get hot ?

 

i also swapped cpu's fron a different system , both 2500+ and both do 2400 on air.

 

bu the same thing happens, memtest passes and xp boots up ok.

 

memtest86 passes all tests

 

200x10.5 cpu @ 1.675 v @ 210 fsb @ 9 2 2 2.0 @ 2.88 v

 

does'nt memtest, test the cpu also ?

 

i run everest to check ddr bandwidth ,

mem read 3190 mbps

 

not bad but i see other systems with same ddr @ over 5000 mbps

wtf why are they so high ?

 

newer mem controllers ?

please explain

 

did i mention i boot from a sata controller rinning a 36 g raptor for the c drive

second disk is on a sata converter 60 g 7200 with 8 m cache

 

16 meg ramdrive for browser caching only

 

 

anyway I'll wait to see what u think

 

u think its the motherboard ?

but could also be the cou but i doubt it is the cpu.

 

i thought about getting a lanparty ultra b

 

what is the bomb nforce 2 u 400 motherboard ?

 

i want all the parts of the nf7-s but

something good to overclock

 

thaNKS AGAIN FOR YOUR TIME.

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You might try and lower the CPU multiplier and see if that makes a difference!

 

 

i have tried everything i can think of and yes i tried multi's from 8 up to 15

nothing wull allow it to funtion over 400 fsb stable

 

I know its not the ddr

 

i am assuming its not the cpu

or the psu

 

i am givving up, i am betting its the motherboard

 

I would like to upgrae to a amd fx 64 bit cpu and motherboard

 

got my eye on the nf8

 

i will keep posting later

 

t y again

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hey i stumbled across something weird

 

I dropped the chipset voltage to 1.6

and dropped the ddr voltage to 2.66

dropped agp to 1.6

and loosened ddr timmings to 11 3 3 2.5

 

and so far i am stable at 420 fsb

 

 

how weird is that ?????

 

what do you think ?

 

this motherboard defies all known overclocking generalities

 

bizzar.............

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nope i was wring again

 

420 not stable in windows

 

well the ddr passes memtest86 3.2 @ 420 fsb @ 5 2 2 2

 

so the ddr is fine

 

I have posted in other forums but i'm seeing some people with the same motherboard as me having the same issues and not being stable over 400, but some people are getting higher than 400 so I think it just comedown to a poorly overclockable nf7-s board that i have.

 

I think this motherboard does not like anything over 400

 

one more question,

 

why do the same motherboards overclock so differently ?

 

seems p4 boards get some crazy fsb while others barly go over 400.

 

just seems its like the lottery

 

some do , some dont lol

 

luck of the draw i guess

 

I think I have outfitted this machine with the best parts i can find but it comes back to the motherboard.

 

i really dont like the idea of purchasing another nforce 2 board since they are a old product now

 

I think i'll just chill for a year or so and get a amd fx cpu with a 939 motherboard.

what do you think

 

good idea ?

 

i like the nf8 motherboard or the fatality 1 board from abit

 

what is your take on those chipsets ?

 

thanks again bro for your time and input

 

sincerly

 

M.Stevens

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  • Corsair Employee
Well the Nforce4 I think has the most promise with over clocking and features right now, with the socket 939 based MB's VIA and NVIDIA both getting some great over clocks. But with over clocking in general the MB layout will have a big impact on how well it will over clock. In general some MB makers target this market and some do not. It's a good idea to watch the MB reviews and se which MB's get good reviews especially with over clocking, as a MB that will over clock well, will normally run more stable long-term when not over clocked. But not always!
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I posted in extremesystems.org forums

 

i dropped cpu multi down to 8

 

upped cpu fsb to 410 with ddr ratio = to 360 ddr fsb

 

bumped up cpu till it would noot post

 

topped out @ 215

but

 

at a higher muliplier i can get a higher cpu fsb of 440 stable

 

I was wondering if corsair actually tested these memory chips before sending them back to me or was it just out of box to me without testing ?

since this is my 3rd set of ddr of the same type

 

pc3200 XL 2x512 5 2 2 2 @ 400 @ 2,75 v

 

i would like to replace them if its going to yeild any better oc that 400

 

currently @ 402 fsb i get game crashes, firefox crashes and other stuff

 

temps and voltages are all set to specs

 

case is high airflow

 

thanks again

 

look here

 

http://www.xtremesystems.org/forums/showthread.php?t=50828

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  • Corsair Employee
XMS3200XL would be rated at Cass 2-2-2-5 at DDR400. If you want to over clock them you would need to relax the timings, I would try like Cass 2.5-3-3-7 and see what you can get. But I am sorry we can only guarantee them to the tested settings. And yes all of our XMS modules are tested on a MB at their rated speed.
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  • 2 weeks later...

well i fixed the fsb issue

 

first thing i did was flash a mod bios to the motherboard.

 

ABIT NF7 SERIES : D22 A1BK R2 TURBO EDITION

cpc=1t

 

then i purchased a 50 dollar digital multimeter

 

tested all rails and molex

 

all above default even when prime95 is running torture test

 

dropped my chipset voltage to 1.5

 

and boom

 

running 460 fsb totaly stable at the following settings

 

cpu 10x230 @ 1.875

ddr 460 @ 2.77 @ 11 3 3 2.5

chipset 1.5

 

all games and apps are now stable

 

kick *** memory

I finnaly made some headway

omfg

i'm gunna go get a buzz on ahahahahahaa

 

will keep pushing higher

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currently at the following setting totaly stable

 

cpu

 

10x multi @ 1.875 v

 

chipset 1.5 v

 

ddr @ 11 3 3 2.5 @ 2.8 v @ 470 fsb and @ cpc=1T

 

over 3500 read bandwidth in everest

 

wow what a difference

 

not sure if it was the 1.5 v chipset setting or the new moded bios

 

all I can say is damn

 

seems the top speed for this ddr is between 234 and 240

 

I loosened the timming a bit more but no stability

 

i tried 11 4 4 3.0 but nope

 

currently pc at idle is 118 f for the cpu and 81 for the chipset

 

is that ok for temmps ?

 

cpu gets to 134 when gamming, is that too high ?

 

this has turned out to be very rewarding for me. took alot of patients and testing

 

my god

 

and why do the new amd 64 get such high mem bandwidth, i am seeing over 6000 mbps with pc 3200

 

why are they getting so much more bandwidth ?

 

is my mem controller old tech ?

 

or because its intragated in to the new cpu's ?

 

thanks again

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