K9N Platinum Problem

Hello,
I have a K9N Platinum 7250-020 and I read from a different forum to make a new thread about the shutdown issues since it said it wasn't affected. Funny thing is, I'm getting the same exact problem.
My specs:
CPU: AM2 4200+ (2.4ghz, memory is not overclocked because of the odd multiplier)
Motherboard: K9N Platinum bios 1.2 (tried several of them and they are all buggy!)
PSU: CoolerMaster iGreen series 500watt
Memory: Crucial Ballistix 2gb ddr2 800
Videocard: ATi x1950pro
Soundcard: Creative Audigy Platinum
Symptoms:
I will be listening to music thru winamp and then when I am installing a program it completely shuts off during the middle of installation.
I tried installing a game once from the cd-rom and then it immediately shuts down.
The funny thing of all of this, I never got a blue screen. So I know it can not be because of my Overclocking.
So thanks for reading, please repost if you have anything to report. I don't know when MSI will come out with bios 1.4 for this. I'm so angry...I do not know whether to return this or not. It would have to be through MSI..so yeah. Thanks again!

Well...this is weird..
Yeah I tried underclocking the bus (now keep in mind I have a AM2, 4200+, and it has an odd multiplier of 11x. Because of this the bus has to compensate with the memory, running at ddr2 800, by running it slightly lower. So if I were to run the bus at 200 MHz, then the memory would be around 366mhz. Thus, that leaves me some head room of overclocking just the CPU since the ram is specified to run at 400mhz.). It didn't help. So since I was running bios version 1.10, I though, "hey..why not update." And so I did to the latest. To my surprise the update description includes: -Improve memory compatibility. Funny, huh?
With that said, I updated and had the settings to what they're specified from Crucial for latency. Then I overclocked to 218 MHz. Thus, resulting a speed about 399.2 MHz for the memory. And to this very moment that I have been running two instances of Prime95, it has yet to come up with a fatal error.
Now like you said, BOSSKILLER, I checked the cpu temperature (with bios version 1.10) and it said like around 40C. Although, once I flashed to the latest version (with it being stable using via Prime95), now the cpu temp in the bios says something around -42C. And it gets better. Since I'm using 64 bit, MSI doesn't have their core center working for 64 bit (to my knowledge). So I decided to see what Everest Ultimate ed. would say. And here is the kicker. It gives a more logical reading for the CPU temp...+39C!
So yeah...lol.... It is working fine and dandy right now! But ehh...in the bios the auto-fan control wont work because the bios sees the cpu temp being negative and so the fan control wont adjust to it.
Anyway, thanks for helping me out again, BK! It's real nice having someone well...I don't know how to say exactly, but its just nice having someone to go to about my problems!
Thanks again!!!
P.S. Sorry about the long essay! :D

Similar Messages

K9N Platinum onboard ethernet resource problem

I am having a problem getting my onboard ethernet to work on the MSI K9N Platinum motherboard.
The device manager is giving me Error Code 12 which stands for Not enough available resources.
I have tried everything short of reinstalling Windows to get this resolved. This is a fresh windows install. Right after the install I installed the chipset drivers. Since then I have reinstalled the drivers, disabled anything that I am not using in the device manager, and even disabled everything but the onboard lan and IDE controller in the bios. Nothing has worked.
Does anybody know what I could do to get the onboard ethernet to work?
Specs:
AMD AM2 3800X2
MSI K9N Platinum (non-SLI)
Old Nvidia PCI graphics card (X1800XT is not working)
Western Digital IDE 80 gig hard drive
Generic DVD burner
XCLIO 450 watt power supply

Quote from: syar2003 on 08-July-06, 15:19:54
Did you use the "Load Optimized Defaults" in cmos settings before win-install.
Sounds to me windows didn't install the correct HAL ,meaning you may have had wrong bios settings for ACPI & MPS.
This worked. I just did a repair install of windows after loading optimized defaults in bios. Thanks for the help.

K9N PLATINUM(NON SLI) DUAL CHANNEL MODE PROBLEM

hi
put a new system together with the following specs:
amd am2 3800+(2ghz)
k9n platinum 1.20 bios
2x512 kingston ddr2(667mhz)
pci video(yes not pci-e)have not decided which vid card to get yet.
500w psu 12v 35a,5v 25a,3.3v 25a
liteon dvd burner
seagate 300gb ide 7200/16 meg cache windows xp-pro sp2 with all updates.
not overclocking or even trying to.
no sata drives connected.
has never failed to post,boot windows and no lockups or blue screens.
ok,i am trying to get the memory to work in dual mode.
everytime i put the memory in the dual mode slots,the cpu clocks down to 1ghz instead of 2ghz.
verified by bios,windows and cpu-id
i have tried different memory(both ddr2 533 and 667)667 installed now.
also never had any install problems with windows and everything runs fine until i tried dual mode.
after the cpu clocks down to 1ghz,the only way to get it back to normal is a bios reset( load defaults
or press red button).
if i leave the memory as single channel then i have no issues.
also cpu-id says the chipset for my board is nforce 550,i thought k9n platinum had 570 nforce chipset?
this might just be a problem with cpu-id though.
any thoughts on the cpu down clock problem in dual channel mode?
thanks,jeff

1 assume you can get into BIOS with 1 stick only?
Go into the BIOS and manually set the timings and voltage to what your memory manufacturer recommends. Use a 2T command rate and see if it works.
Try both "sets" of dual channel slots, i.e. the two left slots or the two right slots.

K9N PLATINUM - DUAL MEMORY PROBLEM

Hello I have this pc:
K9N Platinum (Bios Revision 1.0)
2*1GB Kingston 667mhz
AMD AM2 4200
When the 2 modules of ram are together in dimm0 @ dimm1 (not dual channel) I do not have any problem with my pc.
When the 2 modules of ram are together in dimm0 @ dimm2 (dual channel) the system crashes even before the windows xp boot or after a few minutes? (Blue screen of death appears)
What should I have to do?
Thanks (sorry for bad english)

Hello!, i have almost the same problem, when i have my ram in slot 1 and 3 or 2 and 4. The computer act weird. I cant extract large files(4gig), and som other sh.it. The i tested to run in singel channel mode (slot 1and2) then it all worked fine, i have uppgrade the bios to 1.3 and it still doesent work :( it seeems that not so much peolple are aware of this problem....
X2 3800+
K9N Platinum
2*1Gig geil pc6400

K9N-Platinum wrong cpu temp + nforce drivers problem

I have a msi k9n-platinum (ms-7250)
Cpu : Amd 64 x2 3800+
4 * 512 ddr II 533 samsung
Asus 7900 GT
6 x maxtor sata hd's
Power : hyper type-r 580 watts
pioneer 110d
lg combo cdrw-dvd
When i builded the system , i installed Windows XP + Sp2 , made all windows updates
After i tryed to install the drivers a got wit the cd.
My system was very instable (i had no problem whit the motherboard i had before)
I made the install more than once , but still got instability
So i went to the nvidia site and downloaded the drivers for the chipset from there , and also made a bios update to v 1.2
System went stable.
Tried again after the bios update with the original cd --> not stable , randomless reboot
so i'm now working with the nvidia drivers from the nvidia site , it's stable but when i go to bios i see that the CPU temp is -38°
Is it a fix for this or do i have a wrong mobo ????

-38°C , seen that a few times now .
I think you should RMA/return the motherboard .
Why , see:
https://forum-en.msi.com/index.php?topic=99547.0
https://forum-en.msi.com/index.php?topic=99573.0
https://forum-en.msi.com/index.php?topic=94762.0
Not the same board as yours but all have a faulty calibraded (non workin) sensor on their motherboards .
The positive thing though is that the boards with this issue that runs on AMI bios doesn't freeze/halt as the award based ones does.

K9N Platinum Motherboard problem???

Hello. I got a K9N-Platinum motherboard and AM2 X2 4600+ CPU. However, I often got the following problem:
My system sometimes froze, no response at all, couldn't use mouse and keyboard of course.
1) I set up the system to shut down monitor after 60 minutes. However, sometimes the system couldn't
recover, all parts stopped working, including hard disks.
2) When the hard disk is transferring, such phenomenon could happen again.
Finally I found a solution. I had to manually set up the CPU voltage to "1.35V" in BIOS which can resolve my problem completely.
This problem only happened when the cpu voltage was set to "auto".
I thought it was a power management problem, so I installed hotfix KB896256 and KB924441 and all dual-core
cpu optimizers, the problem still existed.
My system is as follows:
K9N Platinum with BIOS 1.6 (601-7250-070********)
AM2 X2 4600+
Geil DDR2 800 1G*2
Inno3D 7900GS
Western Digital Raptor 37G
Liteon 18X DVD burner
500W PSU
I want to know whether this is a defect of my motherboard. Any advices would be appreciated.
Thanks.mate.

Quote from: cxy1808 on 13-May-07, 09:43:20
Can understand the question "what CPU core do you have"?
I have the AM2 dual core 4600+ CPU,Windsor core, 89W watt.
yep that i have asked, well there is nothing to worry about voltage applied manually matched with your default CPU vcore.

K9N Platinum and OCZ2P8001GK

Hi. I bought 2 OCZ PC2-6400 512MB DIMM (OCZ2P8001GK) and I am thinking of buying the MSI K9N Platinum (non-SLI) board to run with AMD Athlon X2 3800+. Will it be any compatibility problems running the system with those memory modules? [Running at stock speed (at least), both CPU and RAM (800)].
thnx for any info.

amd athlon x2 3800+ am2
msi k9n platinum ver1.0
ocz ddr2 800 platinum * 2
psu thermaltake TR2-550PP
gainward 7600GS
wdc 250gb ks sata2
nec 3550A dvd-r
floppy
hec-6ar6 case
i plugged all the above together, inserted only one ram module in dimm no2 socket and the system boot just fine...the cpu clock on memtest86+ v1.65 says athlon x2 1005mhz, is that correct?i will let memtest run for half an hour and then plug in the second ram module. the m/b has bios version 1.0 (!!) but the memory is normally recognized at 800 mhz as it should be.more soon...

K9N Platinum Sli trouble

so i have assembled my new system:
Athlon 64 x2 AM2 4200+
Zalman CNPS9500
K9N Platinum Sli
OCZ DDR2 PC2-5400 667MHz EL Gold Edition 2GB Dual Channel Kit
XFX Geforce 7600GT 256mb XXX edition (another one will be added today for SLI)
a SATA drive and a DVD burner (these arent important for the issue)
temps = idle 30-34 c, load - no idea havent checked that yet
Enermax Liberty 400w PSU
ever since ive assembled the system i ran into some strange thing - during the changing of setting in the BIOS it froze a few times.
Neverthless i was able to run the system, install windows, start to install other software (yesterday)
and today when i turned on the system, windows booted up, and sudenly it restarts and freezes up in pre bios stage...
Reset or Shutdown resulted in power up, but nothing happening, the monitor did even got out of standby...
after a few tries, and about ten minutes without power, it started up and went to a bios stage, giving a CMOS Bad Checksum Error... loaded bios with fail-safe settings, system worked fine and booted up windows... windows worked fine aswell, attempt to reboot and change the bios settings, gave a Bad Checksum from start and a freeze in bios. System is not getting to bios stage once again...
A Mobo problem that warrants a vist to the store, to return it?

Quote from: mr.flint on 25-August-06, 00:11:37
oh and the PSU got two +12v rails with 20a on each, should be enough?... (though Enermax seems to have troubles with math since according to them 20a+20a=30a)
trust me, enermax doesn't have problems with math. this is actually how it works. you cannot just add up the 12v rails to get the max amps on the 12v.
Quote from: mr.flint on 26-August-06, 00:33:23
managed to boot with the suspected mem stick - running memtest-86 - counted 746321 errors and then froze.... looks like the stick IS defective
try to increase the memory voltage a bit. i think you should be safe up to 2.1V. if you still get errors in memtest, then you have a faulty memory module.

K9N Platinum: CPU upgrade = Random shutdowns..

I just installed a new AMD Athlon 64 X2 3800+ EE in my MSI K9N Platinum motherboard (MS-7250 v1.0, the 070 model according to the box). I had updated the BIOS to version 1.7 before installing the CPU. Anyhow, I got the CPU installed and it seemed to be running fine. Until I started playing my games. Upon playing fifteen (!!!) minutes of Day of Defeat, the system completely turned off. COMPLETELY. No error messages. I check core temp's log to make sure the CPU wasnt overheating; it wasnt. The max temp was 38C on one of the cores. Just to make sure the CPU wasnt the problem, I ran two instances of prime95 for 5 hours and there were no calculation errors whatsoever. I also ran 3-4 loops of SuperPi, using the 32M test. No errors.
I have come to the conclusion that it must be the motherboard, and possibly it does not like the CPU. Or else it is having the same random shutdown problems as many other K9N Platinum/Ultra boards are experiencing. From what i have read, this issue only relates to boards that are 040, 050, or 060 models. I have a 070 model, and I AM GETTING THIS PROBLEM!!
Help!!!
Full specs:
MSI K9N Platinum MS7250 V1.0, BIOS 1.7, model 070
AMD Athlon 64 X2 3800+ EE (old CPU: AMD Athlon 64 3500+; had no issues with the 3500+) vcore: 1.225
1 GB OCZ Platinum DDR2-800, 5-5-5-15, 2.1v
eVGA GeForce 7800GT videocard with Zalman VF900, 490/1220
Hitachi Deskstar 7K80 SATA HDD
LITE-ON DVD-ROM drive
Floppy drive
3x 80mm fans, 1 cold cathode
Antec Truepower 430 watt PSU, dual +12v @ 17A a piece.
Any ideas?

well, i know that ACPI has to do with power saving features.
http://en.wikipedia.org/wiki/ACPI
and HPET also has something to do with CPUs
http://en.wikipedia.org/wiki/HPET
and MCP55 is the nortbridge.
so i suppose i can conclude that it protects from overvoltage or promotes more power-saving? i dunno i really dont care as long as my PC works now,

K9N Platinum Supported CPU's

Hi everyone,
My question is fairly straightforward. I currently have a MSI K9N Platinum AM2 NVIDIA nForce 570 Ultra MCP in my HTPC. Long story short I found out that my CPU was not powerful enough to decode 1080p content so I have purchased a new CPU, a AMD Athlon 64 X2 6400+ Windsor 3.2GHz 2 x 1MB L2 Cache Socket AM2 125W Dual-Core Processor: http://www.newegg.com/Product/Product.aspx?Item=N82E16819103228
According to the CPU support list here:
http://global.msi.com.tw/index.php?func=prodcpusupport&prod_no=252&maincat_no=1
I should be able to use this processor with my motherboard with BIOS 1.A, so I downloaded Live Update and flashed the BIOS to 1.A (I believe it now shows it as 1.10, though I am not sure where that is noted in POST) in preparation for the new CPU (the flash went fine).
I am wondering if anyone has any experience using this motherboard with this CPU? Is it truly compatible or the CPU simply too new an edition for my motherboard? I can probably still cancel my order and get a 5600+ or equivalent if necessary.
I appreciate any feedback/responses.

Quote from: Bas on 11-March-08, 00:59:10
I bet it's your videocard not handling it very well.
Somewhere rings a bell that nVidia is lacking hardware decoding with videocards, but can't remember exactly what it was.
Well that is the long story short part :D. In a nutshell yes it is my video card, I have a 7900GT and essentially nvidia's purevideo decoder for HD content has NEVER worked properly. This basically means that the CPU has to handle the entire decoding load, which my old CPU is incapable of doing (hence all the stuttering, audio/video out of sync issues I get). Basically I had two options:
A) Buy an ATI, one of the 3xxx series that actually does x264 decoding
B) Replace the CPU with a faster/better/dual core one (many codecs can now use dual-core CPU's for decoding HD content)
In the end I made the decision to replace the CPU to resolve the problem because while buying a 3xxx series card does appear to work WONDERS for HD content decodes (it reduces the CPU load to 5-10% in some cases) if the file is encoded in some non-standard way that the GPU decoder doesn't recognize the load is going straight back to the CPU (like my Nvidia 7900GT is doing). This way I figure I get a better CPU and it should be able to muscle it's way through decoding anything I throw at it. If I need to replace the GPU someday or want to do it in order to reduce the load on the CPU I can always look into one of the 3xxx series (I hear that the nvidia 8600's might actually do some HD decoding as well) though I have really become skeptical of ATI cards lately.

K9N Platinum and Corsair CM2X1024-6400 **UPDATE - FIXED**

I'm trying to help a friend with their new K9N Platinum motherboard. We got everything installed successfully, but after getting into Windows, the machine will just freeze up randomly doing anything, software install, whatever, within a minute, or sometimes as long as 5 or more minutes.
Basic specs:
K9N Platinum motherboard
Flashed to BIOS version 1.4
AMD Athlon64 X2 3800+ (65W) socket AM2
BFG Geforce 7900GS
500W PCI-E power supply
Wester Digital 120GB 7200rpm SATA HD 8MB cache
Single 1GB stick of Corsair CM2X1024-6400 RAM (DDR2 800MHz) - Brand New - DIMM slot 1
Windows XP Professional with SP2 and all windows updates installed. (using IE6)
Installed all latest drivers from MSI's website for this board.
We tried 1st with DRAM timings on auto, then tried to set the timing manually according to Corsair's spec sheet for this module, including memory voltage at 1.9V.
We think it might be a bad memory module, because after getting into Windows, we run memtest, and errors are detected within the 1st minute. We have RMA'd the RAM module. I'm wondering though if we just didn't have the timing for the memory set correctly in the BIOS.
Is anyone here runnning this exact memory successfully, or is this board incompatible with this Corsair module? If you are running successfully, did you have to change the SPD timings manually, or are you running using the SPD Auto setting?
If you had to use manual setting, any help with the values to set in DRAM Timing would be greatly appreciated. As much detail as you can provide would be great. Thanks for your help.

Ok, still having major problem with running world of warcraft. This PC freezes/locks up in the game every single time within 5-10 minutes of play no matter what we've tried so far. This is not a shutdown or restart problem, just a freeze/lock-up symptom. I'm getting a bit frustrated at this point. No other problems in windows are encountered. We can work in windows with any other application, like adobe photoshop or any other software, with zero trouble. I'm beginning to think this is video card related somehow with this 7900 GS card.
For added info, the video card being used is this;
BFG Tech BFGR79256GSOCE GeForce 7900GS 256MB 256-bit GDDR3 PCI Express x16 Video Card
Chipset Manufacturer NVIDIA
GPU GeForce 7900GS
Core clock 525MHz(vs. 450MHz standard)
PixelPipelines 20
Memory Clock 1320MHz
Memory Size 256MB
Memory Interface 256-bit
Memory Type GDDR3
3D API
DirectX DirectX 9
OpenGL OpenGL 2.0
Ports - DVI 2
The mouse used is a logitech USB track ball mouse if that has any bearing on anything. No mouse troubles though, just thought I'd mention it.
Here's what we've tried so far;
Updated to BIOS version 1.4. This was done after the Windows XP install though, so not sure if something is hosed up here.
1) We set the RAM timings to 5-5-5-12-2T and 2.1Volts in BIOS manually, as per direct recommendation from Corsair.
1a) Ran memtest all night for about 9 hours straight and no errors at all detected. So I'm guessing this isn't a RAM problem really, but who knows .
2) Installed the Windows XP SP2 Hotfix for Dual Core Processors - hotfix KB896256
3) Installed the AMD Dual Core Optimizer from here -->http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_871_13118,00.html
4) Updated the Nvidia system drivers with the nForce 550/570/570/590 SLI (C51+MCP55) driver package 9.19 WHQL from MSI's website here--> http://www.msi.com.tw/program/support/download/dld/spt_dld_detail.php?UID=730&kind=1
5) Currently running Nvidia video driver version --> ForceWare Release 90 Version: 93.71 Release Date: November 2, 2006 WHQL Certified.
6) Ran a complete Direct X diagnostics via dxdiag. All tests passed successfully.
7) Tried to install the AMD Athlon™ 64 X2 Dual Core Processor Driver for Windows XP and Windows Server 2003 Version (x86 and x64 exe) 1.3.2.16 from here -->http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_871_13118,00.html
But it would NOT install because it says I have to first uninstall the current driver via add/remove programs, but it's not listed there, before installing this one. So, I have no idea where to look or how to do this, I'm afraid of messing up the processor driver. Can someone explain how to install this driver, and would not having this installed possibly be a potential cause of the game lock-ups?
I don't know what else to do. Could the version 9.19 Nvidia SATA or IDE drivers I installed be causing these game lock-up problems? If so, do I just go into device manager and just rollback drivers for all of the devices listed under the "IDE/ATA ATAPI Controllers" in device manager?
Again, this was a fresh windows XP Pro install on a newly formatted hard drive. Obviously something is fubar, but I'm running out of things to try. Maybe going into BIOS and "load optimized defaults" and start over?
Lastly, the tech specs on newegg.com for this video card say "A 350W PCI Express compliant system power supply (with 12V current rating of 22A or more)" is needed. Since the 500W power supply we're using has 2 separate 12V rails rated at 20A each, could this be the problem?? I'm open to suggestions. Thank you.

K9N Platinum - Doesn't boot with PWR2 connected

Hi,
I've just built a new PC with a K9N Platinum Motherboard (7250 Ver 1.0)
I immediately discovered a problem:
-If I connect to the power supply the PWR2 Molex (the additional power connector on the motherboard, to provide additional power to the video card) the system doesn't boot. Computer's LEDs get on for half a second, then it shuts down.
-If I deconnect the PWR2 connector, computer boots fine.
Bios already flashed to 1.51... no results.
It sounds weird to me. I have an Enermax Noisetaker II 485W PSU, the CPU is an Athlon X2 65W...
Have I got a damaged mainboard?
Thanks for support

Quote from: WillyTP on 15-February-07, 05:36:01
Just tried... nothing. Lights and fans turns on for half a second, then everything dies.
I tried to remove video card too, nothing changes :(
sound like somethink is shorted. try take board of case and retry. it maybe dumb question, but are you connect 4pin cable in a right direction?(i know its can be plugged in one way only, but if you use little more force can be done...)

K9N Platinum, 7600GTOC, SLI, No Video Signal

Just built up my new system, specs as follows
MSI K9N Platinum
AMD 5200X2 AM2 CPU
2 Gigs Corsair XMS2 DDR800
2 BFG Tech 7600GT OC's in SLI
Thermaltake TR2-500 Watt PSU +12V(1) 14A +12V(2)15A
1 Maxtor 120 GB SATA 150
1 Maxtor 160 GB SATA 160
When i turned the computer on for the first time, the system boots up and there is one small beep, sounds like it is posting, but I get no video signal from my monitor, which I checked on my other computer and is working fine, I tried both video cards in the 1st slot, in non-sli mode and I get the same result each time, so I get no video signal with all ways tried? Do I not have enough power in this PSU to run what I have? The video manufacturer suggests a 450W PSU, which I meet, but do I not have enough juice the 12V rails? And would this cause the no signal? Any help would be much appreciated.

Hello, welcome to forum.
"When i turned the computer on for the first time, the system boots up and there is one small beep, sounds like it is posting, but I get no video signal from my monitor, which I checked on my other computer and is working fine, I tried both video cards in the 1st slot, in non-sli mode and I get the same result each time, so I get no video signal with all ways tried?"
have you tried with one of them only into 1st PCI-E? use 1st DVI output, when using SLI, ensure SLI bridge is configured property, connect monitor to VGA onto 1st PCI-E slot. also check monitor output is configured property(etc: Input 1, Input 2).
power down PC, remove power cord from the PSU and Clear CMOS Guide
re-test.
ensure all power cables are connected property. try to boot with one memory stick only into slot close to CPU socket.
what D-bracket shows?
"Do I not have enough power in this PSU to run what I have? The video manufacturer suggests a 450W PSU, which I meet, but do I not have enough juice the 12V rails? And would this cause the no signal?"
yes, think is too weak for your system
its recommended to get single rail with high amperes on +12V (over 30A)
read here:
PSU's---2 x 12v---The Dual Rail Myth
Is your problem caused by your PSU?
good suggestion can be found here:
https://forum-en.msi.com/index.php?topic=105635.msg783148#msg783148
https://forum-en.msi.com/index.php?topic=103299.msg757739#msg757739

K9N Platinum and BIOS flashing

New to MSI and this forum
I have a K9N Platinum which I've had some problems with and also need to flash the BIOS.
Problems are: Leadtek TV tuner card video problem watching TV (image and sound freezing) then my laser printer would not print through the parrallel port (works okay through a USB port).
Have had no real solutions from MSI with those two problems
Just recently I've come into owning a MSI 7950 GX2 video card.
Apparently this card won't work with the K9N unless I flash upgrade the BIOS (using A7250NMS, V1.20)
I know my way around computer hardware but BIOS flashing I've never done.
I'm using a NTFS file system,OS is WINXP SP1, processor AMD64 4800+ and HDD Hitachi 250GB SATA2
I have two choices to use these brand new video card:
1: Try to flash the BIOS (with the obvious risks involved)
2: Replace the K9N board with one that is compatible with the 7950 (bearing in mind the other problems with the K9N)
I've read artcles from this site and MSI about flashing using a NTFS file system and I'm not confident.
I know this post is between BIOS and motherboards so it was hard to decide where to place it.
If anyone has any thoughts on the best solution for this it would be appreciated

First of all , make sure you have a "fixedup" motherboard .
( the capacitor fix , see info in the "Post your K9N Ultra/Platinum (non SLI) 'Power Off' Issues Here (NForce 570 MCP)" thread)
https://forum-en.msi.com/index.php?topic=99924.0
Flash bios doesn't need to be done from HD .
You can have both afudos flash util and bios image file on a msdos bootable floppy diskette (verify it from windows with chkdsk A: /R )

K9N Platinum SLI - Powering up the PCIe cards

Hey everyone,
I've got a K9N Platinum SLI board. This board has a power supply input point called PWR2, which according to the documentation is used to provide power to stable the operation of graphics cards. My graphic card is BFG nVidia 9750 GT. This card has the PCI-Express external power plug in the back, and my power supply has a dedicated (red) connector for this purpose, which I have attached properly.
The PWR2 is currently connected also, into one of the black 12V connectors. Otherwise, everything is running fine and smooth, but I am sometimes (once a day or so) experiencing random shutdowns during intense gaming (playing LotRO). Stress testing does not cause a shutdown: I've ran 3D Mark 2007 straight for 8-9 hours, while having a CPU Burner application toast the CPU at the same time. But no problems whatsoever. No other games exhibit this problem either.
Since I am providing dedicated power through the extra connector at the back of the card, should I leave the PWR2 connector unplugged ? Is there a chance that using these two connectors at the same time causes the 12V rail to overload, and the PSU shuts down to protect itself ? When this shut down occurs, the power LED is left blinking and I need to plug out the wall socket and wait for several minutes before the blinking stops and it starts up again.
My computer has an Enermax Liberty 620W power supply, and AMD Athlon X2 4600+ CPU. So there should be enough juice, at least. I've tried the tips and tricks suggested here. Using USB-connected Keyboard and Mouse does not correct the issue. I've also verified that this is not an overheating issue. My CPU is cooled by a Scythe Ninja tower heatsink and two 12 cm fans. It is possible that the northbride is heating up (it burns the finger on touch when under load), but from the Web, I've understood that the stock passive heatsink should be enough, and that the NB chip can take rather extreme temperatures.
* UPDATE *
Plugged the PWR2 connector out from the MB, and update the BIOS to 1.10. It's working as usual, but haven't ran any games yet. Heavy gaming usually reproduces the issue, so I'll write more when I know more.

Updated information on the case.
I've been running 2 days now with the PWR2 unplugged. I have had zero problems with shutdowns since. The only problem I now have is that the USB keyboard and mouse refuse to work in Windows XP after an initial bootup from powered down state. I have to unplug and replug them at the login screen in order to get them work again.
So, I decided to do a final sanity check, and replugged the PWR2, then went gaming. After 2 hours of playing, my computer shutted down for the first time. Plugging in the cable did not solve the USB problem either.
As of this day, I'm leaving it unplugged. It seems like an irrelevant connector, which just causes problems.
** Update **
After following Bosskiller's instructions on another thread about using the "Clear CMOS" button and then reconfiguring BIOS from scratch, the cold boot USB issues were solved. The USB devices now work straight after a cold boot, with no need to replug them.
I recommend that the PWR2 -connector info is added to the list of known problems in the sticky thread. If you have a GPU card which takes its power from a dedicated rail (and your PSU has a dedicated connector for this purpose), then leaving the PWR2 -connector unplugged might resolve your shutdown issues, like it solved mine.
After all, according to the manual, this connector is used to give more voltage to the PCI and PCIe busses, and some PCI/PCIe cards might not like this idea at all. There is a reason why these cards have an additional power plug on them...

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