MSI KT3 Ultra2-R have dividers so I can run @ 200FSB?

chiquita · 24-April-03, 07:41 PM

I was wondering if my motherboard, MSI KT3 Ultra2-R, has dividers so I can use a system clock of 200mhz (400FSB) without having the PCI and AGP clocks way over their default 33mhz and 66mhz respectivly. It says "MS-6380E" on my motherboard box if that helps you guys.

piscikeeper · 24-April-03, 08:25 PM

nope.when the cpu multi hits 12.5 or 13,clock speeds are reset @33/66.really its the only gripe i have against the board.

chiquita · 24-April-03, 08:39 PM

God, you make no sense dude, and that doesn't have anything to do with what I'm talking about. I'm talking about FSB not multiplyers. Right now I am running @ 166*10.5. I want to run @ 200*7.5 or 200*8. I want to know if my PCI clocks will be 33mhz and agp clocks @ 66mhz if i change from 166 to 200. In other words, does my mobo have dividers from when I change to 200 from 166.

Buzz_4_20 · 24-April-03, 08:43 PM

neither the kt333 or kt400 chipset supports the 1/6 pci divider that is necessary to run the 200fsb

chiquita · 24-April-03, 08:45 PM

**** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** **** Really? Whynot?

mirage · 24-April-03, 08:50 PM

Good luck I had almost the same setup (crucial 2700) and the best I could ever do was 172x10.

Buzz_4_20 · 24-April-03, 08:52 PM

i think it has something to do with the fact that when the kt333 was made the top fsb was still 133....

chiquita · 24-April-03, 08:55 PM

Anyway to run any higher than 166(333)FSB without hurting my PCI and AGP stuff?

EDIT: I want to replace my noisy failing MSI KT3 Ultra2-R mobo fan, it it possible just to slap on a heatsink from an old GeForce2 MX400 as it has them holes for them pins, or will the northie overheat?

piscikeeper · 24-April-03, 08:57 PM

look at pages 3-28 and 3-29 in the manual.then check the cpu ratio possibilities in bios.the one to check is listed as 12.5/13

chiquita · 24-April-03, 10:02 PM

God you make no sense. so what if hey got 12.5/13 multiplyers, I know that. That has nothing to do with AGP and PCI clock dividers. okay lemme try to explain again pisci. PCI clocks run @ 33mhz; agp @ 66mhz. system clock is at 133mhz for an Athlon xp t-bred, therefore to get the 33mhz for the PCI and the 66mhz for the FSB the mobo uses dividers; so to get 33mhz from 133mhz they needa divide by 4 for; and to get 66mhz they needa divide by 2. I am running at 166mhz system clock thefore my mobo automatically switched from 1/4th divider for the PCI to 1/5th; and from 1/2 divider for the AGP to 1/2.5 for the AGP. Now I was wondering if its got a 1/6th divider for the PCI and a 1/3 divider for AGP.

24-April-03, 07:41 PM		#1 (permalink)
chiquita Banned	MSI KT3 Ultra2-R have dividers so I can run @ 200FSB? I was wondering if my motherboard, MSI KT3 Ultra2-R, has dividers so I can use a system clock of 200mhz (400FSB) without having the PCI and AGP clocks way over their default 33mhz and 66mhz respectivly. It says "MS-6380E" on my motherboard box if that helps you guys.

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24-April-03, 08:25 PM		#2 (permalink)
piscikeeper Apex Tech Fanatic	nope.when the cpu multi hits 12.5 or 13,clock speeds are reset @33/66.really its the only gripe i have against the board.

24-April-03, 08:39 PM		#3 (permalink)
chiquita Banned	God, you make no sense dude, and that doesn't have anything to do with what I'm talking about. I'm talking about FSB not multiplyers. Right now I am running @ 16610.5. I want to run @ 2007.5 or 200*8. I want to know if my PCI clocks will be 33mhz and agp clocks @ 66mhz if i change from 166 to 200. In other words, does my mobo have dividers from when I change to 200 from 166.

24-April-03, 08:43 PM		#4 (permalink)
Buzz_4_20 Apex Elite Tech	neither the kt333 or kt400 chipset supports the 1/6 pci divider that is necessary to run the 200fsb

24-April-03, 08:45 PM		#5 (permalink)
chiquita Banned	** ** Really? Whynot?

24-April-03, 08:50 PM		#6 (permalink)
mirage Apex Advanced Techie	Good luck I had almost the same setup (crucial 2700) and the best I could ever do was 172x10.

24-April-03, 08:52 PM		#7 (permalink)
Buzz_4_20 Apex Elite Tech	i think it has something to do with the fact that when the kt333 was made the top fsb was still 133....

24-April-03, 08:55 PM		#8 (permalink)
chiquita Banned	Anyway to run any higher than 166(333)FSB without hurting my PCI and AGP stuff? EDIT: I want to replace my noisy failing MSI KT3 Ultra2-R mobo fan, it it possible just to slap on a heatsink from an old GeForce2 MX400 as it has them holes for them pins, or will the northie overheat?

24-April-03, 08:57 PM		#9 (permalink)
piscikeeper Apex Tech Fanatic	look at pages 3-28 and 3-29 in the manual.then check the cpu ratio possibilities in bios.the one to check is listed as 12.5/13

24-April-03, 10:02 PM		#10 (permalink)
chiquita Banned	God you make no sense. so what if hey got 12.5/13 multiplyers, I know that. That has nothing to do with AGP and PCI clock dividers. okay lemme try to explain again pisci. PCI clocks run @ 33mhz; agp @ 66mhz. system clock is at 133mhz for an Athlon xp t-bred, therefore to get the 33mhz for the PCI and the 66mhz for the FSB the mobo uses dividers; so to get 33mhz from 133mhz they needa divide by 4 for; and to get 66mhz they needa divide by 2. I am running at 166mhz system clock thefore my mobo automatically switched from 1/4th divider for the PCI to 1/5th; and from 1/2 divider for the AGP to 1/2.5 for the AGP. Now I was wondering if its got a 1/6th divider for the PCI and a 1/3 divider for AGP.