Most common problems I have observed when it happens on a new motherboard is:

1)  Need an 80 conductor cable, or a new cable..  Believe it or not, incompatible 
ROM drives in some cases

2)  Bugs in the chipset requiring a patch/new drivers (which not be available yet).. 
 Had it happen on older VIA chipsets as some ROMs were incompatible..  MB manufacturer 
needs to release updated drivers/patches if this is the case.

3)  HDD controller bad on the motherboard, replace board..

4)  In rare cases, this can be a memory issue, timing/setup etc, or bad memory, or 
using memory not recommended for the board.  Your manual should list recommended 
memory that has been tested on your model board.

Memory checker: http://oca.microsoft.com/en/windiag.asp

By your description, I wouldn't suspect the HDD but I have observed it happen due 
to a bad drive or cabling issues on PATA drives, or the need for a driver patch as 
mentioned before.  Haven't observed it yet on SATA drives but anything is possible.

Contact the manufacturer for assistance as it should be under warranty hopefully.







On Friday, October 12, 2007 at 9:18 am, PCnerd wrote:

>I had been troubled by this for weeks now and i still do not know exactly where 
the 

>problem really lies.

>

>I had changed a new motherboard (ABIT KN9 Ultra) and this problem start appearing. 

>I can't install anything as long as the media that stored the software is a CD/DVD 

>cos a crc error will pop up somewhere along the way.

>

>I tried cleaning the disc and even went into the trouble of changing the drive but 

>the problem still persist. I'm now suspecting somewhere in the motherboard fault 

>lies. I'm not sure, and I'm too wary to make sure...

>

>I'm really running out of ideas here, can u guys give me a hand? 

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