how to change multiplier on nforce2 msi board.

[hans007]

the only multipliers i have are from 7.5x to 13.5x


but at 200bus, its already 1400mhz. how do i make it lower than 7.5x. it has no option. right now i'm at 266 x 7..5 and thats the lowest i can go.





i have a xp2100 tbred b 0301 , not the greatest o/c er but it can do 2700+ at 1.725 v.

 

[hans007]

up

 

[Wind]

U r running 266 FSB X 7.5 ? or u r running 133FSB X 7.5 (266 DDR effective) ??

Hitting 266 FSB on this mobo is one hell of a job.

 

[hans007]

133 x 2 clock doubled x 7.5


7.5 is the lowest mult i can choose

 

[bedrocked]

unless you did the wire trick your cpu isn't unlocked on this board. yes it has them in the bios but that doesn't matter because it won't work until you do the wire trick.
133x7.5 is underclocking your cpu pretty low.

 

[hans007]

no it can do 133x 7.5 x 2.

so 2000mhz.


and the CPU default is 1733.


just the lowest i can go with the manual controls is 2000mhz. with a 133 bus.

 

[bedrocked]

i dunno where ur getting that x2.. you're ddr has nothing to do with your processor speed.
in order to do 2ghz with 133FSB u'd have to do a 15x multiplier. like i said it is impossible to change the multiplier on the msi board without doing the wire trick.
i didn't believe it myself (i have the same board/processor you have) but the msi board does not unlock your cpu without the wire trick despite what is in the bios
and despite what the bios posts.


http://www.amdforums.com/showthread.php?s=&threadid=214942&highlight=2100+wire+trick
http://www.amdforums.com/showthread.php?s=&threadid=211910&highlight=2100+wire+trick
http://www.amdforums.com/showthread.php?s=&threadid=198172&highlight=2100+wire+trick

 

[SinfulWeeper]

x2 ???

 

[hans007]

god.




its 133 x 2 . the bus is 266. some other guy earlier, asked for the bus speed asking if it was double pumped.


like if i go with your conventions.



my board is running 133 x 15. but when you set multipliers on it. 7.5=15 , 8 = 16, and so on. the only thing i can even get to boot is 7.5. i just want to run 166 bus, but i cant without lower multipliers than 15.


i mean the default on this chip is 13. and i cant even select that since 6.5 isnt an option. the only way i can run at 13 is if i select (hardware default) as the multiplier.

 

[bedrocked]

sigh that is NOT the way it works. i dunno where in the heck u get that extra x2. if you want to run 166fsb on the msi board ur going to have to drop down to 12.5x and the ONLY way u can access that is thru the wire trick on a 2100+ board.

7.5 in the bios means it multiplies ur FSB times 7.5 not 15. he asked are u running 266xFSB @ 7.5 (which unless you're running some uber duber ram and a bucket of ice sitting on ur processor then it's impossible) or 133FSB x 7.5 (266DDR).

do you understand that the whole point of DDR is to run twice the FSB? your processor is not running at ddr, that is a memory thing. and lets just suppose that it were, then it would be running TWICE the fsb not the multiplier

i'll say it one last time and u can either listen or you can be frustrated that u can't get to 166fsb.

you can NOT access ANY of the multipliers on the msi board in the bios WITHOUT doing the wire trick

 

[RadioactiveMagpies]

try a newer bios flash, it might allow a lower one.
my nforce2 epox 8rda+ has a 5x multiplier setting and i run at 5 x 100= 500 mhz mhz at night when i'm downloading at night because i can turn off the cpu in my system.
normally in the day i run at 12.5 x 177 = 2225 mhz.
my cpu is xp 2100 tbred b 0302, pretty much the same as yours
as to the ddr data rate(200,266,333,400), that has nothing to do with the cpu speed, it only confuses people.

 

[hans007]

Originally posted by: bedrocked
sigh that is NOT the way it works. i dunno where in the heck u get that extra x2. if you want to run 166fsb on the msi board ur going to have to drop down to 12.5x and the ONLY way u can access that is thru the wire trick on a 2100+ board.

7.5 in the bios means it multiplies ur FSB times 7.5 not 15. he asked are u running 266xFSB @ 7.5 (which unless you're running some uber duber ram and a bucket of ice sitting on ur processor then it's impossible) or 133FSB x 7.5 (266DDR).

do you understand that the whole point of DDR is to run twice the FSB? your processor is not running at ddr, that is a memory thing. and lets just suppose that it were, then it would be running TWICE the fsb not the multiplier

i'll say it one last time and u can either listen or you can be frustrated that u can't get to 166fsb.

you can NOT access ANY of the multipliers on the msi board in the bios WITHOUT doing the wire trick

dude i am about to get a computer science degree. i know far more than you do, i just cant the damn setting to go under 7.5 (the bios displays 7.5)

like the bus is 133 in single cycles. 266 counting the double pumping, you get two edges because of double pumping hence 266.

i am not gonna argue with you, but when i set it to 133 bus, with 7.5 multiplier, i get 2000mhz. which is a 15 multiplier or 2x the 7.5 that the bios displays.


doing something like setting it at 8 and 100 bus makes 1600mhz, 16x multiplier. nforce2 boards can unlock chips without the wire trick, why can i change my multiplier on an locked chip then.


sigh.


i just want to set it lower than 7.5 in the bios, figured someone with this board msi k7n2g might know.

 

[bedrocked]

i didn't want to turn this into a flame thing but you are obviously a moron. how are those compsci classes going? in all seriousness take a read on those urls i posted. go read on the msi boards. it is LOCKED on the msi board you idiot.

double pumping doesn't happen on the processor end genius and certainly has 0 to do with the multiplier.. oh then again you're a 'compsci major' my mistake lol.

 

[Fudrucker]

sorry dude but you are so wrong it is 7.5x133 not 7.5x266 you might want to get a refund from what school you went to....LOL

seriously its 133x7.5=997.5mhz that how fast you cpu is at 133x7.5

100=200fsb
133=266fsb
166=333fsb

if you want to run your cpu at 333fsb you have to set the fsb to 166 in your bios..believe me i unlocked my xp1800 default is 11.5x133=1530mhz now i unlocked it to lower the multiplier so i can raise the fsb...i went down to a 9.5 and raised my fsb up to 166 so it was 9.5x166=1577mhz thats how it works....

133x7.5x2=WRONG
133x7.5=RIGHT

7.5=7.5 not 7.5=15

 

[skyking]

I have edited my post away, after further research. Thank you for the urls above.
Are the other nforce2 boards the same with 2100 chips?

 

[bedrocked]

well i have this board and i tried setting the multi even in 100FSB and 133FSB be4 i did the wire trick cuz i assumed like he did that you do'nt have to unlock it since tbred b is suppose to be unlocked already (not true with the MSI). setting those multipliers isn't going to do you anything regardless of what windows or sandra reports. i've been there and thats why i'm lending my advice.

if you want to get to 166FSB just 'try' the wire trick it takes like 15 seconds and watch your system magically start working the way you want it to.

 

[Necrolezbeast]

you peeps need to stop bitchin at eachother...the fsb isn't double pumped or anything, but on some mobo's, don't know if all of them(my 8rda+ is one of them), when I set the multi to 7.5x it is actually a 15x...I don't know why or how, but he is not an idiot, it just seems he is misunderstanding or not explaining himself correctly...when I use a 7.5x multi wcpuid, sandra, on boot, it all tells me I am running at 15x......

 

[johncar]

Originally posted by: hans007
god.
its 133 x 2 . the bus is 266. some other guy earlier, asked for the bus speed asking if it was double pumped.

like if i go with your conventions.

my board is running 133 x 15. but when you set multipliers on it. 7.5=15 , 8 = 16, and so on. the only thing i can even get to boot is 7.5. i just want to run 166 bus, but i cant without lower multipliers than 15.

i mean the default on this chip is 13. and i cant even select that since 6.5 isnt an option. the only way i can run at 13 is if i select (hardware default) as the multiplier.

Symptoms like an 8X Multiplier "offset" plus an inability to boot at default 13X sound awfully like symptoms of inability to boot at 13X thru 14X then 15X boots and a "set 8X Less" Multiplier setting technique discussed in Workarounds article at
http://beachlink.com/candjac/index.htm

Think it's worth a read, see if it indeed might be one of the mobo or Multiplier signal circuits issues in that article.
Only thing that doesn't fit is 7.5X-->15X (not 8X different).
But 8X-->16X fits the 5th bit's value = 8X perfectly...ie, 8X set by the 1st 4 bits by mobo/bios generates 16X because the 5th bit (worth 8X) is HI by default ( and it is if default Multi =13X), so the "combined" 5 bit code "is" the code for 16X.
You'll understand when you read the article and also the Multiplier Code article which explains AMD's multiplier Code.
Hope it helps.
John C.

 

[bedrocked]

I don't know why or how, but he is not an idiot, it just seems he is misunderstanding or not explaining himself correctly

he is for trying to get righteous about it when people are trying to help.

btw from what i gather he's not having any problems booting to 133 he just wants to get to 166 which again if you'd listen, i've told you the way to do it on this board with that chip. changing the multiplier on the bios w/o doing the trick will cause massive instability and most likely won't post at 166.

 

[Jeff7181]

Yet another youngster confused by the workings of DDR. I wonder what he'd do with a P4 2.4 Ghz with a "533 Mhz bus" LMAO

But that's cool... that means my XP2500 runs at 3.66 Ghz! LOL