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Old 10-05-2007, 10:57 PM   #1
King Boogie
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Erratic detection of drives in BIOS


Hey everyone, firstly thank you for taking the time to read this.

I am unable to detect all the attached drives in the BIOS. I have an INTEL D865PERL motherboard which supports 2x SATA and 2x PATA channels. The BIOS firmware has been updated to the latest version (P21). I currently have HDDs on all channels except PATA primary master which is a DVD burner.

The BIOS has various settings to configure which channels are in use. The first setting is 'ENHANCED' which (supposedly) makes all channels available, the second setting is 'LEGACY' which has several options to restrict which channels are available. The following table shows which drives the BIOS is detecting for each given setting:

Code:
ATA/IDE Config        ¦ENHANCED¦LEGACY  ¦LEGACY  ¦LEGACY ¦LEGACY¦LEGACY  ¦LEGACY
                      ¦        ¦PATA Pri¦PATA Sec¦PATA   ¦SATA  ¦SATA +  ¦SATA +
                      ¦        ¦only    ¦only    ¦Pri+Sec¦only  ¦PATA Sec¦PATA Pri
----------------------¦----------------------------------¦------------------------
SATA Port-0           ¦  YES   ¦   -    ¦   -    ¦   -   ¦ YES  ¦  YES   ¦  NO
SATA Port-1           ¦  NO    ¦   -    ¦   -    ¦   -   ¦ NO   ¦  YES   ¦  NO
PATA Primary Master   ¦  NO    ¦  YES   ¦   -    ¦  YES  ¦  -   ¦   -    ¦  YES
PATA Primary Slave    ¦  NO    ¦  YES   ¦   -    ¦  YES  ¦  -   ¦   -    ¦  YES
PATA Secondary Master ¦  YES   ¦   -    ¦  NO    ¦  NO   ¦  -   ¦  NO    ¦   -
PATA Secondary Slave  ¦  YES   ¦   -    ¦  NO    ¦  NO   ¦  -   ¦  NO    ¦   -
As you can see from all of the 'NO's, the BIOS is hardly behaving as expected! I have tried various jumper settings and swapped drives onto different channels. I have even replaced all the cables but the results stay the same. I am encouraged by the fact that the BIOS can see each drive one some state or another, I just really need it to detect them all at once!

Any idea what's going on?

Thanks again,


KB
 
Old 10-06-2007, 05:03 PM   #2
theNbomr
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Don't know if this helps, but if you are going to run Linux on this box, there is a pretty good chance it will correctly recognize everything, even if the BIOS doesn't. I have an older box that can't deal with a couple of newer drives at the BIOS level, but Linux sees everything just fine.

--- rod.
 
Old 11-07-2007, 09:00 AM   #3
archtoad6
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I noticed this w/ some interest, when you 1st posted, but I really didn't have any good suggestions. However, I am curious:

What happened?

Were you able to get Linux to recognize all your drives at once, as suggested it might just do in spite of the BIOS? Or did the BIOS problems carry over to the OS?

Any chance the mobo was defective?

BTW, a link to the mfr.'s mobo info would have been nice.
 
Old 12-19-2007, 02:50 PM   #4
archtoad6
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I'd still like to know what happened.
 
  


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