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SCSI Adapter and Primary IDE Channel - conflicting resources

Posted on 2004-04-21
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Last Modified: 2008-01-09
This question is about conflicting resources between Primary IDE Channel and SCSI adapter.

My System Windows 2000, SP4 Pentium 4 in Dell Dimension 8100 with an LSI SCSI Adapter

I have both SCSI and IDE on this machine. Although it appears to be working normally, device manager is reporting some conflicts. I am concerned the system may be inefficient or could become unstable:

Under IDE / ATAPI controllers I have "Intel 82801BA Bus Master Controller", "Primary IDE Channel" and "Secondary IDE channel". The Primary IDE channel device is reporting a Code 12 error, as follows:
>>>>>
This device cannot find enough free resources that it can use. (Code 12)

If you want to use this device, you will need to disable one of the other devices on this system
<<<<<<

In the "Conflicting device list:

>>>>>
Input/Output Range 01F0 - 01F7 used by:
  SCSI/RAID Host Controller
Input/Output Range 03F6 - 03F6 used by:
  SCSI/RAID Host Controller
Interrupt Request 14 used by:
  SCSI/RAID Host Controller
<<<<<<

Under "SCSI and RAID controllers" I have "SCSI/RAID Host Controller" and "Symbios logic PCI SCSI Adapter". Both these devices appear to be working properly; but , although there is no conflict icon against the SCSI/RAID Host Controller, its conflicting device list gives:
>>>>
Input/Output Range 01F0 - 01F7 used by:
  Primary IDE Channel
Input/Output Range 03F6 - 03F6 used by:
  Primary IDE Channel
Interrupt Request 14 used by:
  Primary IDE Channel

<<<<

Steps I have taken: de-installing the Primary IDE Channel, but it reinstalls with the same problem. I am not abe to change the settings of either device


So the questions are :
(a) does it matter and, if so
(b) how do I resolve it.
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Question by:jpedley
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Expert Comment

by:AngelRider
ID: 10882034
If all devices on both the IDE and the SCSI interfaces are working correctly, it strikes me that you probably don't need to worry about it.

Have you got hard/optical disks on both, or is the SCSI for a scanner?
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Author Comment

by:jpedley
ID: 10882506
Yes, hard disks on both.
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Accepted Solution

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AngelRider earned 250 total points
ID: 10883241
Do you need all the disks present to boot the PC?

If not, do you notice a performance improvement if you remove the LSI card? Or, if the SCSI disk is the master, what happens if you pull the IDE drive?
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Author Comment

by:jpedley
ID: 10885657
Thanks for your continuing interest.

I boot from the SCSI which contains O/S and my databases / data files. The IDE is mainly for multimedia and paging file
I haven'ty yet tried disabling  / removing the IDE because:

a) disk performance assessment can be subjective.
b) various processes may run at any time which might impact the performance.
c) I have to remove paging file from IDE which will affect perfomance.
d) It doesn't tell me about any perfromance problems on the disabled drive.

However, I will give it a try by
a) disabling the drive in BIOS then, later,
b) disabling hardware (when I put in my new DVD burner in a few days time!)

I will post my findings back here when I have done both.
Again, many thanks.
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Author Comment

by:jpedley
ID: 10992262
Hi

While working on an unrelated problem I downloaded the latest Ultra ATA drivers from the Dell website, which seems to have fixed this issue.
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Expert Comment

by:AngelRider
ID: 10994000
Very pleased you're sorted out!

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