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Help! ECS KT-600A and Athlon XP 1600+


I use an ECS KT-600A Pro mainboard with an Athlon XP 1600+ processor and my problem is I can't get the system to detect the processor correctly. The system will start ONLY when the FSB is set to 100MHZ (causing the board to detect a 950MHZ AMD). I set the jumpers to 133MHZ FSB, and I hit the power button, all I get is a power and hdd light but nothing happens. I have a giant heatsink and fan so I wouldn't imagine it's overheating... I have the latest BIOS from ECS and I have tried to get ahold of their support people but they are horrible.. any suggestions?



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Where's the rest of the system?

In reply to: Help! ECS KT-600A and Athlon XP 1600+

Some put in a new board/CPU but have an tired old or small power supply. So little details making a guess a guess. My guess is your RAM is incompatible or the power supply isn't suitable to the task.


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Do you have PC133 memory???

In reply to: Help! ECS KT-600A and Athlon XP 1600+

If you do, it sounds as if the memory really doesn't run at 133 MHz.

Does you BIOS allow setting the memory speed manually?? If so try increasing it one 1 MHz at a time.

If Spread Spectrum is Enabled, disable it.

I had a 1700+ on an ASUS K7V133 mobo and couldn't run better that 129 MHz.

That vintage mobo was probably made well before that speed CPU, so the mfr couldn't actually test a production design.

The other thing is that there may be a BIOS update that would fix the problem.

At boot, does it show the proper CPU type???

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Sorry, got this thread mixed up

In reply to: Do you have PC133 memory???

with dweezill's. He had the ECS K7S5A.

That used either SDRAM or DDR SDRAM.

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re: pc133 memory

In reply to: Do you have PC133 memory???

I have 256mb of DDR 266mhz. I have the latest bios from ECS and this is actually a replacement processor for the one I had before which was either a 1600+ or an 1800+ I can't remember. At boot it does NOT show the correct CPU type.. it shows ''Amd 950mhz'' and it should show ''AMD ATHLON XP 1600+''. I know the FSB needs to be set at 133 for it to detect a 1600+ but the system will not boot when I change the jumpers. My hunch is that it could possibly be the power supply because it's only 300 WATT and it's a couple years old.. I'm going to try to get a new one today. If that doesn't work I'm lost as to what it could be.

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The ECS KT-600a uses DDR ram

In reply to: Help! ECS KT-600A and Athlon XP 1600+

If you are inputing 133, that would be for 2100 ram(133x2=266). 166 is for 2700 and 200 for 3200. What do you have? chuck

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ECS KT-600A and Athlon XP 1600+

In reply to: Help! ECS KT-600A and Athlon XP 1600+

Somewhere in the book for the MB, it talks about a jumper for the frontside buss speed. You have to change this jumper. John

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