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ASRock MB fails to boot, with 3 beeps, and monitor dies when connected to it.

Posted on 2004-03-28
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Last Modified: 2007-12-19
I just build a system from stratch with the following components:

Motherboard: ASRock K7VM2 R3.0 (has built in video, sound, and nic)
CPU: AMD Duron 1.6Ghz Socket A 266 FSB
Memory: 2 x 1GB 184Pin DIMM PC2100 (266Mhz) DDRRAM ECC Registered CL2.5 (Crucial Technology)
PSU: 250W
HD: ExcelStor 40GB UDMA100 7200rpm
DVD-ROM: MSI 16xDVD 48xCD Int IDE

When booting up the system, it beeps 3 times, pauses, beeps 3 times, and so on.

The ASRock manual doesn't include any beep codes, and neither does their site. I've contacted them but had no response yet.
My initial idea is that 3 beeps means bad/incompatible memory, but then there is this weird behaviour: when connecting a monitor to the system, when I power the PC up the monitor immediatly dies. It's not loss of signal and dropping to standby, it literally dies and shows no sign of life. Even when disconnecting it from the PC, the monitor will refuse to power up, as if it was fried up or something. However after resting it a while it powers up again. Then if I connect it back to the PC it dies again.

Now I'm confused about it. Could it be the PSU? It says it takes 230V input, which I believe it's ok for the UK, and 250W output should be ok for the micro-ATX board.

It could be the memory (is being ECC Registered a problem?), or the Hard-Disk (UDMA100 compatible with ATA133 MB?)

Anyone can give some hints?
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Question by:ktorn
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buckeyes33 earned 125 total points
ID: 10699401
>>is being ECC Registered a problem?),
yeapers, This motherboard is not campatible with ECC registered memory.  You need to get some non ECC memory or unbuffered memory.  
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Author Comment

by:ktorn
ID: 10699421
Looks like my memory isn't compatible. After visiting http://www.crucial.com/store/listparts.asp?Mfr%2BProductline=ASRock%2B&mfr=ASRock&cat=RAM&model=K7VM2+R3.0&submit=Go

I says I need non-parity (Non ECC) memory.

Now I guess I can either return the memory, or sell it (noticed the price rised from the £160 that I paid to £220!)

Still, it doesn't explain why the monitor dies when I connect it. Any suggestions?
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Expert Comment

by:buckeyes33
ID: 10699423
looked at your manuel and they sure did not say anything about that.  That is just stupid.  


You can need to get DDR2100 non ecc memory or PC133 memory.  DDR2100 would be faster.
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Expert Comment

by:buckeyes33
ID: 10699426
>>Any suggestions?
it is not dying.   You computer is not booting.  So you monitor has a power save mode, basically shuts it self off.
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Expert Comment

by:buckeyes33
ID: 10699433
Welcome to this site.  :)


here is some info on closing questions for your reference.  Need any info about this site?


http://www.experts-exchange.com/help.jsp#hs5
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Author Comment

by:ktorn
ID: 10699438
LOL, I took too long to post my comment, and didn't read yours.

Anyway, just before I close it. Would the memory problem be the reason for the monitor failure?
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Expert Comment

by:buckeyes33
ID: 10699442
>>Would the memory problem be the reason for the monitor failure?
yeap, didn't get a chance to read my other comment either.  lol
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Author Comment

by:ktorn
ID: 10699445
That's the thing, it's not power save. It makes this weird noise and dies altogether.
If I disconnect the monitor from the PC, and hit the power button on and off nothing happens, as if the monitor was fried. If I leave the monitor alone for a while, then power it back on it works again.

Would the memory cause this?
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Expert Comment

by:buckeyes33
ID: 10699450
can you try it on the computer you are using now?
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Author Comment

by:ktorn
ID: 10699458
Yes, I'm using a laptop, and when I connect the monitor to the laptop it works fine.

I'm just worried that something else, other than just the memory, is causing the monitor problems. But I guess that can be left for a future question, after I sort the memory out.

I'm closing this now. And well done for getting that comment in before mine. The points are yours ;)
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Expert Comment

by:buckeyes33
ID: 10699466
I think it is probably just because it does not get a signal.  I would not worry about it.  
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