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Can`t change FSB

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Name: boken
Date: January 24, 2003 at 15:33:02 Pacific
OS: windows xp
CPU/Ram: AMD XP1800+ /512MB DDR
Comment:

I canīt change the FSB default settings from 100Mhz to 133Mhz in BIOS, the system crashes already at 104Mhz. I have flashed the BIOS with the latest version. The MoBo is a MSI KT3ULTRA26380E. I have just built the system, is there something iīve missed? a jumper or something, Iīll be greatful for any help to solve my problem.



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Response Number 1
Name: ben rogers
Date: January 24, 2003 at 16:54:52 Pacific
Reply:

How many watts is your power supply?


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Response Number 2
Name: boken
Date: January 24, 2003 at 17:19:27 Pacific
Reply:

The powersupply is 350W


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Response Number 3
Name: pricey
Date: January 25, 2003 at 11:42:18 Pacific
Reply:

I have the same problem, but the max i can set the fsb to is 115mhz, i don't know why. Whe i change it in the bios the computer won't boot up n i have to reset the CMOS, if i change it in fuzzy logic 4 it just gives me the blue sceen! I need help. My AMD Athlon XP 2000+ is only running at 1.25 instead of 1.66!
My full sys spec is:
AMD Athlon XP 2000+
MSI KT3 Ultra 2 motherboad
256MB of RAM PC2700
Gainward Geforce 4 128MB graphics card
Maxtor 60GB hdd


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Response Number 4
Name: ben rogers
Date: January 25, 2003 at 12:40:53 Pacific
Reply:

boken - if you have a high-end video card like a GF4 TI then a 350W PSU is pushing it. What speed is your RAM rated for? is it PC2100 or PC2700? Also, what are the voltages like in the BIOS (+3.3V, +5V & +12V DC)

pricey - I would rule out the RAM from being the problem in your system as it's rated for 166 MHz. What wattage is your PSU?


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Response Number 5
Name: boken
Date: January 25, 2003 at 13:20:11 Pacific
Reply:

My RAM is rated for PC2700. The voltages in BIOS are +3,26 +5,08 & +12,46VDC. I have a GF4 MX440SE 64MB videocard.


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Response Number 6
Name: ben rogers
Date: January 25, 2003 at 13:50:25 Pacific
Reply:

Your voltages are well within acceptable levels so I don't think the PSU is the problem. Do you have any other DDR RAM that you could use to test on this system or access to another system that you could test that RAM on? If you don't you could test the RAM at 133 MHz FSB with Memtest86.


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Response Number 7
Name: boken
Date: January 26, 2003 at 00:59:54 Pacific
Reply:

Are there no jumpers to switch on the motherboard?


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Response Number 8
Name: boken
Date: January 26, 2003 at 05:50:19 Pacific
Reply:

What year did they release the AMD Xp+ processors, i think i have got a wrong one, itīs marked 1999.......hmmm strange or?


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Response Number 9
Name: boken
Date: January 27, 2003 at 04:00:19 Pacific
Reply:

All AMD Xp+ processors are marked 1999, so thatīs not the problem.


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Response Number 10
Name: Monte
Date: February 2, 2003 at 12:27:03 Pacific
Reply:

I am having the same problem as above but I am running a 420 watt PSU g4 ti4200 512mb 2700 memory(tried 2 differ sticks) have pulled out all my pci add on and only have my HD, cpu+fan, video card, and floppy/cdrom installed and I still can not get the fsb above 115 but I am able to get the memory speed ok I have another system exact like this one and have no problems and have set everything in the bios the same and everytime it will never boot to up after I change FSB to 133 has anyone had any luck on the fix yet also like I said above I know it can be done because my other exact system has same brand etc PSU, HD, video, etc...


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