Yuwen Dai put forth on 11/23/2010 3:10 AM:

> Hi Stan,
> Sorry for the inconvenience.  I use gmail, and don't know how to disable
> line wrap.  I attached the output as a file.

>From your smartctl output:

199 UDMA_CRC_Error_Count    6587967
200 Multi_Zone_Error_Rate   15265539

I just checked a system here with a 1 year old 500GB WD BLUE SATA II
drive on a Sil3512 based PCI card and both 199 and 200 have a value of
zero.  This would seem to indicate you have a problem with the cabling
between your drive and the controller.  Considering this is a laptop,
I'd guess it has been dropped at least once, loosening the cable
connector either at the drive or the PCB socket, causing intermittent
contact.  If this Dell 6400 has a direct connection between the drive
interface and a PCB mounted SATA socket, I'd guess than once or more
traces on the PCB have been cracked, or a pin within the socket has been
cracked.

CRC errors indicate a transmission problem on the interface conductors.
 Whether the problem is either of the two things I mention above, you
definitely have a problem with the interface between the drive and the
SATA controller.

-- 
Stan


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