Welcome to the most active Linux Forum on the web.
Go Back > Forums > Linux Forums > Linux - Hardware
User Name
Linux - Hardware This forum is for Hardware issues.
Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?


  Search this Thread
Old 10-05-2007, 10:57 PM   #1
King Boogie
LQ Newbie
Registered: Oct 2007
Posts: 1

Rep: Reputation: 0
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:

                      ¦        ¦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,

Old 10-06-2007, 05:03 PM   #2
LQ 5k Club
Registered: Aug 2005
Distribution: OpenSuse, Fedora, Redhat, Debian
Posts: 5,398
Blog Entries: 2

Rep: Reputation: 908Reputation: 908Reputation: 908Reputation: 908Reputation: 908Reputation: 908Reputation: 908Reputation: 908
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
Senior Member
Registered: Oct 2004
Location: Houston, TX (usa)
Distribution: MEPIS, Debian, Knoppix,
Posts: 4,727
Blog Entries: 15

Rep: Reputation: 234Reputation: 234Reputation: 234
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
Senior Member
Registered: Oct 2004
Location: Houston, TX (usa)
Distribution: MEPIS, Debian, Knoppix,
Posts: 4,727
Blog Entries: 15

Rep: Reputation: 234Reputation: 234Reputation: 234
I'd still like to know what happened.


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Slow disk detection by BIOS MQMan Linux - Hardware 3 09-15-2007 06:50 PM
sarge installation causes BIOS to freeze on harddisk detection bcalmac Debian 8 12-09-2004 03:34 PM
Using device in linux without bios detection Y0jiMb0 Linux - Hardware 4 05-19-2004 03:49 AM
How to Disable APM Bios Detection on Boot leeach Mandriva 4 10-01-2003 08:25 AM
Need to Disable APM Bios detection leeach Linux - Newbie 0 09-30-2003 10:54 AM > Forums > Linux Forums > Linux - Hardware

All times are GMT -5. The time now is 12:00 AM.

Main Menu
Write for LQ is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
Open Source Consulting | Domain Registration