New ASROCK mobo and Duron 1600 wont boot!!

Hi,

I have recently purchased two lots of Asrock K7S8X, AMD Duron 1600, Kingston 128MB 184DIMM PC2100 and a radeon 7000 graphics card and 500w PSU. I have installed everything and checked all the jumpers and all seem correct put when I go to boot up its displays "cmos/gpnv checksum" and then shuts down. When I go to restart it I have to take out the power cable for a minute or so till it will boot again. I have reset the BIOS and taken the CMOS battery and the same thing happens. The same problem occurs on both the motherboards. I believe I must have got a setting wrong or something its compatible.

Can anyone help??



GlenhomesAsked:
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CallandorCommented:
I would try swapping the power supply and the memory out, in case this is being caused by something other than the motherboard.  It is also possible your cpu is faulty, so if you can put a different one in, that would help isolate the cause.
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GlenhomesAuthor Commented:
I have tried all that already and no joy!!
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GlenhomesAuthor Commented:
Yeah, I have been to that link before but the chances of it happening on two boards must be rare, is there anything else you can think of?
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CallandorCommented:
You've tried it with a minimal configuration?  motherboard, cpu, one stick of RAM, and nothing else?
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GlenhomesAuthor Commented:
Yeah, tried that and tried a different graphics card!
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CallandorCommented:
I don't have a manual for that board, but I'll look around for it online and see there's anything special about configuring it.
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CallandorCommented:
You're sure the ClearCMOS jumper is in the normal position, the cpu fan is connected to the CPU fan header, and the FSB jumpers are set to 133?  

The manual: http://www.asrock.com/Drivers/Manual/ASR_UM/K7S8X_UM_v10.pdf
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GlenhomesAuthor Commented:
Yes done all that, the verison of the manual that came with the mobo allows you to set the FSB to 266 which the CPU is 266 and it is set to this!!!!
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CallandorCommented:
The motherboard FSB should be set to 133, not 266!  Memory is double-data rate, and if you are running at 266, you are severely overclocking the cpu!
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GlenhomesAuthor Commented:
I have now set the FSB to 133 and it boots up for about 10 seconds then it all stops again!! Is there anything else that I may have missed?
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CallandorCommented:
The cpu may be overheating.  Check that the cpu fan/heatsink is working, and that it is connected to the right header on the motherboard.  Otherwise, reseat the cpu and heatsink, making sure the heatsink is flat and flush against the cpu.
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GlenhomesAuthor Commented:
Turns out that the cpu fan I had wasnt powerful enough to cool the cpu down. Brought a larger fan and works fine! thanks for all your help Callandor.
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CallandorCommented:
Glad it's all working now!
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