MSI P43 Neo-F iP43 Memory Remap Question

Planning on building the following system:
MSI P43 Neo-F iP43 motherboard
Intel Core 2 Duo E8400 CPU
Force3D HD 4670 512MB GDDR3
4GB RAM
So, besides any issues anyone is aware of between the above components, my main query is whether this motherboard supports memory hole remapping (so I can see and use the whole 4gb in windows) and whether it does this automatically or via a BIOS option? I'll be using either Windows XP 64 BIT or VISTA 64 BIT.
Any help much appreciated,
Thanks.

There is no option in bios (1.6) but using 64bit Mandriva Linux i have 0-3072MB then the last gig is mapped to 4096-5120MB so it skips the 3072-4096MB area used to PCI devices. this is using 4GB of Corsair XMS2 DDR2 800.

Similar Messages

Need help guide overclocking newbie msi p43 neo

Hello i just wanted to ask for guide help tutorial ( no OC experience) on how to do a mild overclock my cpu e7400 + (msi p43 neo) my main goal is 3.0 Ghz with a 1333 fsb. Im still researching guides but its still a bit complicated. My concerns are on the bios high incriments on the cpu voltage adjuster i can only adjust with increments of 1.141 next is 1.441 then 1.641 is it too high? i am using the default bios. Im not planning on adjusting my memory its at 800 Mhz
ATM at the bios i can see my default fsb is at 266 x 10.5 = 2.8 Ghz my plan is adjusting it to 286 x 10.5 = 3.03 Ghz.
My question is how will i raise the fsb to 1333? by adjusting the fsb on the bios am i only adjusting the cpu clock? and is the cpu voltage same as the vcore( the thing they adjust when OCing ) which i cant locate on the bios only cpu voltage..
And as a backup plan if all fails when trying to OC flashing bios is the right thinkg to do?
really srry if this is the wrong place to post. If theres any links(guides) with pics same bios you can give would be a tremendous help. thx

Hi,
just a few first comments, so that you don't get onto the wrong track:
Quote
by adjusting the fsb on the bios am i only adjusting the cpu clock?
The FSB Frequency is the base frequency for both the CPU Frequency and the memory frequency. The CPU Frequency is always calculated like this:
(real) FSB Clock Speed x CPU Ratio/Mutiplier = CPU Frequency
The Memory Frequency is adjusted via the FSB/DRAM Ratio Option. If the FSB Frequency is set to 266 MHz the memory will run @DDR2-800 if the FSB/DRAM Ratio is set to 1:1l5...:
266 MHz FSB x 1.5 = 400 MHz (= DDR2-800 effectively)
When you raise the FSB Frequency you have to make sure that the FSB/DRAM Ratio you have set in BIOS will not overclock your memory beyond its specifications. It is not a good idea to leave the FSB/DRAM Ratio set to "AUTO" when you are overclocking.
Quote
My concerns are on the bios high incriments on the cpu voltage adjuster i can only adjust with increments of 1.141 next is 1.441 then 1.641 is it too high?
Have you browsed through all the values the BIOS allows you to set in order to check if there are other values available? Setting the CPU Voltage to 1.441 or 1.641 is not really something you should do. 1.441V is already quite high but 1.641V is definately too much. Leave the CPU Voltage on AUTO for now and see how far you can get without adjusting the CPU Voltage (check the actual Voltage with CPU-Z).
Quote
and is the cpu voltage same as the vcore
Yes.
Quote
my default fsb is at 266 x 10.5 = 2.8 Ghz my plan is adjusting it to 286 x 10.5 = 3.03 Ghz.
You probably won't need to increase any critical voltage levels for that. This is a really, really moderate overclock. Just see what happens if you adjust the FSB Clock Speed to 286 MHz without changing anything else in BIOS (well, keep Spread Spectrum and DOT disabled at all times when you overclock),
Quote
And as a backup plan if all fails when trying to OC flashing bios is the right thinkg to do?
No, that is definately the wrong thing to do. If the system refuses to start after you changed certain BIOS Options, clear CMOS with main A/C power cable removed from your PSU. This will erase all settings and make the BIOS prompt you to reset everything.

Need help to oc msi p43 neo

hello all,
I just got my new computer fresh from the shop:
cpu - c2d e5200
cpu fan - arctic cooler freezer pro 7
mobo - msi p43 neo
(http://global.msi.com.tw/index.php?func=proddesc&maincat_no=1&prod_no=1484)
memory - kingston 800mhz 2gb*1 value - I think the timings are 6-6-6-18
gpu - sapphire radeon 4850 dual slot fansink
psu - jsp-tech (ezcool) 450w
hd - wd 640gb
case - silverstone ps02b with two case fans
bios version is 1.7
OS - windows xp sp3
I want to do a moderate oc on this baby, but I'm afraid since it's my first time. I read a lot from the internet and also the manual but still have several questions.
1) I understand that in this mobo there is no need to adjust the pci and pci-e bus?
2) I plan to do a modest oc - raise it only to 3.0ghz. the bios has gray "auto" next to all of the voltages brackets. can I keep it in "auto"?
does "auto" means stock voltages or will the voltages rise when I'll raise the fsb?
I don't want to "overvolt" just yet.
3) I understand that I need to change DOT, c1e, EIST, spread spectrum to "disable". but I want to keep the EIST and c1e for power conservation. will that effect my oc, considering it's a modest one?
4) is raising the fsb from 200->240 keeping the multiplier 12.5 (240*12.5=3.0ghz) and changing the FSB:DRAM to 1.66 a good option or should i try another one?
5) is there other items I should change in the bios?
If there is anything else that you can suggest, pls do. thank you in advance for your kind reply.

if your going to oc it in 3.0 ghz just raised the fsb 286.. reboot and see if theirs and error..
dont change anything yet..

MSI P43 Neo series FSB wall?

After messing about quite a bit with this board with various CPU's and Memory, reading comments by other users and OC'ers on other boards, it seems I've come to the bottom of the problem with my Memory / CPU issue's on my board.
First once again: the used hardware
Board:MSI 7519 V1.0 P43 Neo-F mainboard
CPU: Intel E6550 / E6600
Cooler: Scythe Mine rev. B, stock fan (100mm @ 1500rpm)
Memory: 2GB kit G.E.I.L. DDR2 800 cl5 "black dragon"
4GB Corsair XMS2 pc8500 "dominator"
2 x 1GB OCZ pc9200 900mhz "Special OPS" (not a kit)
2x 512mb Hynix 667mhz cl4 OEM memory (not a kit)
Graphics card: MSI X1550, MSI 9600GT 512 OC
PSU: LC power 650W ATX 2.02 PSU / Raptox 550W ATX 2.01 PSU
OS: Windows Vista SP1 x64 UK
I've tried BIOS 1.3 and 1.6 (final versions only)
Memory shows to be in "asymetric dual channel mode" in every piece of software you trow at it. However, preformance is good.
Both Jumpers have been removed from the board, setting it to "333-400 mhz mode".
CE1, Spread spectrum, Speedstep and "OC boost modes" are disabled.
Memory is on auto (which results in 5-5-5-15) at 2.1V
MCP voltage is on 1.100 (since I don't want it to go over for no reason)
CPU core is at 1.375V in bios, resulting in 1.356~1.378V in CPUZ and Coretemp. (varies with every boot)
I've tried with both my E6550 and a borrowed E6600, but for some reason, the board will not pass it's POST at any FSB higher than 415mhz.
(resulting in 830mhz DDR2, and a 2904mhz for the E6550 and 3733mhz for the E6600 (at 1.388V))
This all makes me wish I got the older E6600 instead, eventhough it gets quite hot. Which brings me to the topic of temps: E6550 OC after 1 hour Orthos = 54degrees. (and 33 / 39 idle) For some reason, Windows prefers core2, which Idle's a lot higher (39) than core1.(33)
The E6600 got to the awefully high temperature of 68 degrees after 2 hours Orthos.
But now the issue: As soon as I pop the FSB to 416, 417 or 420, the system will no longer boot, and I will get the "OC failed" message after shutting the power down.
I've read quite a few reviews and many people seem to encouter these problems. Boards with same chipsets, seem to go to quite a bit higher. (435 being the worst one in the same price range: the Gigabyte DS3 P43 version.)
Am I overlooking something? Would more voltage sort these problems? (I already went a bit overboard just to test)
Are there settings I'm missing?
Any help would be greatly appriciated!!!

Quote from: skip741 on 15-October-08, 05:46:56
Hi Unicron, read ur post and thought id give you some feedback.Im the guy who originally posted the 417fsb wall thread.I beleve these boards with the p43 chipset Do indeed have something going on which limits the higher fsb speeds seen by p45 series. Id be interested to hear if Any one with a p43 version msi board has achieved speeds beyond 415-417. I know the p45 chipsets have gotten thru the 500fsb barrier.I had tried Every bios available for my p43 neo3-f board and EVERY possible bios setting and yet never got beyond that 417 limitation. Voltages raised in cell menu have No effect on getting thru it. board is strong and stable Up to that point, then 1 mhz beyond there is no post or freezing as it enters desktop.Ultimately after spending 3 weeks intensive trying everything and scouring every forum and msi tech for advice, to no avail, i just gave up on it and returned my board to manufacturer. I purchased another brand of board and went right thru that fsb wall with same hardware and cpu.i was able to achieve 535fsb no problem. I had tried to post "which" board i went with before on this forum but was censored heavily for trying to do so. I guess such sharing is Not allowed. Moderators take that as promoting "other" manufacturers boards and frown on it.My intent was only to share what i learned and help others. So i have to keep that info to myself sadly.. anyway thats my 2 cents, my name is Paul. good luck !
Yes, I think we discovered the same thing:
The MSI P43 Neo boards don't go over 414, 415 or 417mhz FSB.
Nor do various other brands. I must say I haven't found/read about a P43 board that does. But I guess if you claim there 's such a board, it must exist.
I'm done looking. Next time I'll buy a higher end board. Low end CPU + Low end board OC isn't a very good idea. I should've gone with a X48 MSI DDR2 board + E9650.

MSI P43 NEO-F, Q9400, GSkills 4GB DDR2-1066 unstable... help!

Just built a new system with the following hardware:
CPU: Intel Quad Core Q9400 (stock: 2.66Ghz 1333Mhz FSB) (running @: 3.2Ghz 1600Mhz FSB)
Motherboard: MSI P43 Neo F (1.A or 1.10 BIOS)
Memory: G Skills 2x2GB DDR 1066 5-5-5-15 (F2-8500CL5-2GBPK) (running @ 800 2.1v only, not stable at 1066 2.1v)
Video Card: MSI ATI R4870
PSU: OCZ GameXStream, OCZGXS700 7OO watts, 4x +12V@18A outputs
Cooling heatsinks are all stock, but air flow is good with the new TT case.
Current voltage settings:
CPU Voltage: 1.335V
CPU GTL REF0: Auto
CPU GTL REF1: Auto
DRAM Voltage: 2.1V
MCH or NB Voltage: 1.328V
VTT FSB Voltage: 1.2V
MCH GTL REF Voltage: Auto
ICH or SB Voltage: 1.5
Does anyone have the similar setup or any idea why I can't get the system running at 3.2GHz @ 1600FSB and 4GB @1066MHz ?
I've ran multiple tests with PRIME95 and Memtest64, and was unsuccessful.
System actually got through Prime95's small and large FFT test OK, but failed the Blend test. So I'm leaning towards the memory.
But I got LOTS of errors from Memtest86, while memory set at 1066 @ 5-5-5-15 2.1V
What voltage should I be tweaking the CPU, NB and SB to get the RAM to pass Memtest?
I'm not asking much, but it seems these overclocked DDR2-800 RAM aren't that stable at 1066 without tweaking other components. B/C the system definitely wasn't stable with CPU/FSB @ stock speed and RAM set at 5-5-5-15, 1066, 2.1V
Don't know why they call it DDR2-1066 when it only runs stable at DDR2-800...
Any advice would help,
Thanks

Quote from: Jack t.N. on 09-November-09, 05:12:28
The P45 Memory controller natively supports only DDR2-667 and DDR2-800 modules. From the point of view of the chipset, DDR2-1066 is beyond specifications. Also, your memory modules are just DDR2-800 sticks with a permission to overclock, not native DDR2-1066 modules, built to work @1.8V.
This double overclocking makes a stable system @DDR2-1066 somewhat of a hit & miss situation.
Do you have options to tweak the DDR Reference Voltage Values in BIOS?
Nope, I didn't find a DDR Ref Voltage value.
Hmm , I thought the MSI specs posted would mean the chipsets and mainboard can sustain double overclocking...
Cause the memory module report on the MSI website actually has my memory set, and results were OK when operating at DDR2-1066.
http://www.msi.com/index.php?func=prodtestreport&maincat_no=1&cat2_no=170&cat3_no=&prod_no=1484
I wonder what settings they used...

MSI P43 Neo-f & Nvidia 8800GTS issues

I recently upgraded my 7600gs to an 8800gts the computer powers on and shows the windows loading screen then freezes. I can boot into safe mode as there are no graphics drivers installed, i can then un-install the drivers and boot into windows fine, once the drivers are installed it will freeze on the windows loading screen.
The Nvidia 8800gts uses the same drivers as the 7600gs so that can't be the problem.
The card works fine in my friends computer, he has an MSI P-35 mainboard.
I tried booting another windows drive and exactly the same happens.
I've tried using a friends 9800gt and exactly the same happens.
Anyone have any idea what's wrong?

Mainboard: MSI P43 Neo-F
CPU: Intel E5300 (2.6 GHz dual core)
Ram: 2GB 800Mhz OCZ Ballistix
Hard Drive: Western Digital 250GB
PSU: 550W
On the Nvidia site it gives me the same download link for both the 7600GS and the 8800GTS.
I shall try Driver sweeper tomorrow and re-install the drivers and let you know...
If it works in safe mode it can't be the board right? I was thinking about flashing the bios to the latest version. Though i've never flashed a bios and i've heard it should only be done as a last resort so i don't really want to do it whilst the old video card works fine.
(off topic: wow it says you're from Cornwall, so am i)

** SOLVED ** MSI P43 Neo DPC Latency

Hi,
I'm having problems with audio stuttering - that I didn't have with my previous Asrock P43R1600Twins. Running dpclat, I'm getting spikes even at idle. The screenie is about the best it runs - this deteriorates!
All the drivers are the latest, no wireless LAN. Other than this, it's a flyer. Dead stable, no other problems at all.
Any ideas?
MSI P43 Neo F
E8400
7600GT
XP SP3 32b

Did you download and read the PDF on the PDC tool? If not do so as it shows how to ID the problem though the process of elimination.
Is device manager clean, no ?,! or unknown devices? No addon cards other than video?
These are the drivers you used not the ones from the CD? http://global.msi.com.tw/index.php?func=downloaddetail&type=driver&maincat_no=1&prod_no=1483
Did you install the chipset drivers before installing the other drivers?
The sound and Lan drivers on the MSI sight are not the latest available. Realtek has newer ones available. I use these on my P35 Neo2-FR without problems but be warned MSI could have custom drivers that may be different than the ones from Realtek.
Sound driver 5.10.0.5700 http://www.realtek.com.tw/downloads/downloadsCheck.aspx?Langid=1&PNid=14&PFid=24&Level=4&Conn=3&DownTypeID=3&GetDown=false
Lan driver 5.702.0806.2008 http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=13&PFid=5&Level=5&Conn=4&DownTypeID=3&GetDown=false
I do not think the lan drivers would be a problem but the sound could be.

*Solved* MSI P43 Neo-F DPC Latency Issue - Latest BIOS Fix

Hi, I'd like to avail of the latest BIOS fix for the DPC latency problem on my MSI P43 Neo-F (MS-7519) 1.0.
I'm currently using BIOS 1.9, I haven't flashed to 1.A yet. Does 1.A include a fix or is there another BIOS that's as up-to-date as 1.9 or 1.A that would have the fix, with any links to download? I'm thinking along the lines of the A7519ICI.1xx series, whatever is the latest.
Thanks in advance.
EDIT: I have contacted MSI at http://ocss.msi.com.tw/
I don't suppose there is any links to the latest A7519ICI.1xx BIOS that I can avail of outside of the private MSI FTP server?

Thanks all for the advice.
OK, so here's the story. I couldn't relax with those voltages showing up as they were, so I flashed my BIOS to A7519IMS.1A0 (1.A), which is the latest public release for the P43 Neo-F. I was previously on A7519IMS.190 (1.9) before today.
When I flashed to A7519ICI.104, I noticed the version number was actually 1.10B4 (which I'm guessing can actually be expressed as 1.AB4 - a beta version for the latest public release, 1.A). The flash to A7519ICI.104 solved the DPC Latency issue, as when I used A7519IMS.190 (1.9) it was spiking.
There is a happy ending. The flash to A7519IMS.1A0 (1.A) has also shown no spikes in the DPC Latency test. It seems the fix must be present in the latest public release BIOS for the P43 Neo-F after-all!
This screen-shot was taken just a moment ago, proof that the issue has been resolved without a modified BIOS:
Hope this helps anyone else out who is using the same motherboard and experiencing the same issues. Just get the latest public BIOS. No hassle!
http://www.msi.com/index.php?func=downloaddetail&type=bios&maincat_no=1&prod_no=1484
Please make sure that your motherboard is in-fact the MSI P43 Neo-F (MS-7519) before you flash the BIOS with any of the ones contained within the link above

MSI P43 NEO with Q6600?

I plan to take the Q6600 and put it on the MSI P43 Neo. This motherboard have a three-phase voltage and i'm in doubt can i overclock this cpu without consequences?
My current spec
e7400 @3.5ghz 1.25v
p43 neo
2x2gb kingston @670mhz
9600 gt
chieftec aps-550s

Overclocking means operating a component or a set of components outside their actual specifications. That means, whenever overclocking is involved, negative consequences (increased heat, signal distorsion, shortened component lifetime, sudden component death) always have to be counted in as a result of overclocking. Users that do not accept these consequences should not even think about overclocking.
Yes, the P43 Neo has a limited voltage regulator/phase modulation architecture which, among other things, does not make it really the best choice for overclocking. It is a cheap, low budget mainboard with limited capabilities.

MSI P43 Neo 3F PCB 1.1 can't OC by switch at bus 333MHz

My pc: E5200 R0, MSI P43 Neo 3F PCB 1.1 (latest bios ver 2.5), 2x2Gb KingMax 1066, Vga 7100GS, PSU AcBel E2 400W, Hdd Seagate 250Gb SATA2.
When i adjust bus 200->266 by switch it work OK but 200->333 system can't boot and work. Is Mainboard wrong ? Thanks.

Quote from: skip741 on 15-October-08, 05:46:56
Hi Unicron, read ur post and thought id give you some feedback.Im the guy who originally posted the 417fsb wall thread.I beleve these boards with the p43 chipset Do indeed have something going on which limits the higher fsb speeds seen by p45 series. Id be interested to hear if Any one with a p43 version msi board has achieved speeds beyond 415-417. I know the p45 chipsets have gotten thru the 500fsb barrier.I had tried Every bios available for my p43 neo3-f board and EVERY possible bios setting and yet never got beyond that 417 limitation. Voltages raised in cell menu have No effect on getting thru it. board is strong and stable Up to that point, then 1 mhz beyond there is no post or freezing as it enters desktop.Ultimately after spending 3 weeks intensive trying everything and scouring every forum and msi tech for advice, to no avail, i just gave up on it and returned my board to manufacturer. I purchased another brand of board and went right thru that fsb wall with same hardware and cpu.i was able to achieve 535fsb no problem. I had tried to post "which" board i went with before on this forum but was censored heavily for trying to do so. I guess such sharing is Not allowed. Moderators take that as promoting "other" manufacturers boards and frown on it.My intent was only to share what i learned and help others. So i have to keep that info to myself sadly.. anyway thats my 2 cents, my name is Paul. good luck !
Yes, I think we discovered the same thing:
The MSI P43 Neo boards don't go over 414, 415 or 417mhz FSB.
Nor do various other brands. I must say I haven't found/read about a P43 board that does. But I guess if you claim there 's such a board, it must exist.
I'm done looking. Next time I'll buy a higher end board. Low end CPU + Low end board OC isn't a very good idea. I should've gone with a X48 MSI DDR2 board + E9650.

Help me overclock e7400 on msi p43 neo f

this is my specs..
e7400 2.8ghz
msi p43 neo f
ram in 1gb kingston ddr2 800 (4pcs)
160 western digital hdd and 250 samsung hdd
inno3d 9800gt 512 ddr3
6 cooler master fans (110cfm)
psu corsair 520w
i need advise how to overclock my procie into 3.6 or 3.5ghz
i dont want to overclock my ram coz its not good in oc..
do i need to change the cpu clock drive? the pci express clock drive?
ur answer will be grat help for me..

my sig is the current oc.. what can u say guys?

MSI K8N NEO Platinum Edition memory question

Hi there,
I've currently got a MSI K8N NEO Platinum Edition (Nforce 3) motherboard and 2X 512 MB Corsair Value Select memory modules (both double sided) running at DDR 400 - this runs completely stable and has done for a number of months. I would like to increase my memory to 1.5 Gig but there seems to be a lot of issues?
I originally planned to buy an additional 512 Meg Corsair value select chip and place it in Bank 3 - is this acceptable?
I assue that i would have to drop the speed down to DDR 333 from 400, could anyone tell me how much of a difference this actually makes (when playing FPS games Doom3 etc..) ?
Any help would be greatly appreciated as i've been looking through both this forum and the Corsair one and i cant seem to find the answer.
thanks in advance !

Just note that there are combinations of two sticks that will also make the board run in DDR333 mode (see page 2-8 of the manual). For example, using two double-sided sticks in DIMM2 and DIMM3. I've actually managed to get it to work at DDR400 in those two slots, but it's not perfectly stable and overclocking diminishes drastically. Bottom line is the system will work fine when forced to DDR333...as long as you don't expect to overclock the RAM to any significant degree.

MSI P965 Neo-F & JEDEC Memory

Hellow,
Remeber me? I bought a system with a MSI motherboard a while ago.
I have a question for my little bro's Christmas Build.
i was wandering if JEDEC Memory works on the P965 Neo-F
On the site i am buying from, it said "may or may not work with JEDEC specifications".
Here is the memory:
Mushkin EM2-5300 Enhanced DDR2 SDRAM, 2GB Dual Pack (2x1GB)
Thanks

Quote
my question is does MSI P965 Neo-F support JEDEC memory.
The question is not whether the board supports JEDEC memory, but whether the memory in question complies with JEDEC standards.
MSI's statement refers to the fact that many modules on the market require out-of-spec voltage and timings to run, often in spite of their own labeling. e.g. if your DDR-II memory module requires 2.0v, this exceeds JEDEC's 1.8v +/- 0.1V spec for DDR-II. Or, if your DDR-II memory module is labeled as a 1.8v part, it may actually require 1.9v to run. JEDEC also specifies timings at each speed grade, which not all modules conform with; PC2-4300 (DDR2 533) should have 4-4-4 timings, while PC2-5300 (DDR2 667) should use 5-5-5 timings.
Most of the 1st Tier DRAM manufacturers sell their own modules that comply stringently with JEDEC voltage and timings (Samsung, Infineon/Qimonda, Hynix, Micron). These modules are more expensive than those from 3rd Tier module assemblers or marketers such as OCZ and Corsair, whose modules often need excessive voltage just to reach their rated speed (because the chips are inferior grade).
This is why the memory validation lists of mainboard and chipset manufacturers typically are over-represented by genuine modules from the 1st Tier DRAM manufacturers like Samsung or Infineon, rather than the 3rd Tier module assemblers or rebranders.

MSI K8N NEO Platinum Edition Memory plz help!

Hi
http://www.datorbutiken.com/se/defa...2X512DDRCA400PR
Is this memory ok with MSI K8N NEO Platinum Edition ?
If it is, do you know how well its oc:s?

He would be talking about this:
http://www.newegg.com/app/viewProductDesc.asp?description=20-145-466&depa=0
But I wouldn't reccomend that memory mainly because I have heard mixed reviews about it. You can get the same (if not better) memory at either of these links, the only difference between the two links is the color of the heatspreader (as far as i can tell). This is the memory I have and it works very well, plus its much cheaper:
http://www.newegg.com/app/ViewProductDesc.asp?description=20-145-449&depa=0
http://www.newegg.com/app/ViewProductDesc.asp?description=20-145-450&depa=0

MSI K8T Neo 2 FISR Memory problems....

Could someone please help me
I have a MSI K8T Neo 2 mobo, with 500w powersupply, AMD 64 3500+, and 4 sticks of 512mb PC3200 ram (not all installed).
2 of my sticks were bought from PC world as PC3200 DDR400 ram.
The other 2 are Nanya 512mb PC3200 DDR400 ram.
I ONLY NEED TO USE 2 OF THESE STICKS.
This motherboard was chosen so that i could run DUAL channel.
However when running memory in slots 1 and 3 as manual suggests, the pc crashes when playing games. If i run 1 stick in slot 1 it happily runs all day long.
I have tried running memory in slots 1 and 2 but only making a frequency of 157.1mhz. See screenshot of CPU-Z:
MY MEMORY CONFIG
Surely this should be 200Mhz?
Basically i can only make 200mhz using a single stick and no joy with dual channel.

Don't know if this will help
You probably already know about this......

MSI P43 Neo-F iP43 Memory Remap Question

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