i have an abit kn8 untra motherboard with an amd athelon 64x2 4800 processor. mob will not post and i hear one long beep but sometimes it seems like 2 beeps back to back. steps i have taken to eliminate some possibilities.
test compute with new power supply. no go
reset and cleared cmos like 10 times . no go
the strange thing is that when i put it ram and turn it on it beeps once but when i add a video card no post no beeps and nothing on monitor.
also a red and the green light stay on.
i tired a different video card still same issue.
i cant figure out if my cpu is toast my mob is toast or the agp .
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Re: abit kn8 ultra mb no post one beep
Trying your peripherals one at the time is the way to find your problem, Memory first - one beep is good, If your mb has onboard video use it first. if not check the settings in the BIOS may be a shared memory that is not set right. Make sure your memory is computable ck one stick at the time.
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The GD8 mobo spec says that the bopard is only compatible with P4 and Celeron D processors so no you cant swap it! Generally the Athlon 1800+ is a better processor but it depends on the mobo, BIOS, RAM setup etc.
I believe you are using a sata drive not ide, correct? The problem is that vista has built in drivers to support your boards sata/raid controller, winxp does not. to work around this you need to go here - http://www.abit.com.tw/page/en/download/download_driver_detail.php?pFILE_TYPE=Driver&pMAIN_TYPE=Motherboard&pTITLE_ON_SCREEN=KN8+Ultra&pSOCKET_TYPE=Socket%20939 Abit website. for your board - socket 939. KN8 ultra file called NVRaid Installation disk. click on picture, it will download the zip file. extract the files to an empty folder (create one). Then run RFDgen.exe program. It will create the floppy you will need. I hope you have a floppy drive, if not try a usb one. If it has a problem creating the floppy, copy the files in the folder floppydisk to your floppy. there is a readme.txt file in that folder as well that should help explain which option you should select when you install windows. So... once you have the floppy start your computer up with xp disk in and as the screen turns blue, you will see at the bottom of the screen a message - press F6 to select additional drivers. Do just that, a couple of times to be sure. then it changes to press F2, just sit back and wait. eventually it will come to a screen asking if you want to specify additional drivers. press S and the next screen will show you the drivers it found on the floppy. select the one for your configuration (can be changed in the bios). and then windows will load fine. this is necessary for all new systems with sata/raid installing xp. take care.
Leave the memory slot closest to the processor empty and try booting again. Award bios 1 long beep is memory error as the first 64K of the ram stick closest to th processor is accessed first. since you have tried different ram in different locations, let's rule out the board.
If that doesn't solve anything try a different power supply. Sometimes (Phoenix) gives a long beep when system board or power supply are bad.
Now if nothing else has worked it is probably tour mother board.
i dont know about the red light, but all main boards these days have a built in protection if the cpu fan quits. check the cpu fan connection, ensure that it and the heat sink are dust free. if still no go. update your question with exact info..e.g. does absolutely nothing.. how many beeps you hear..how long b 4 it dies.. final note: be careful what you touch.. static can harm more that most think and the oil from touching can retain heat.