Dell Precision 450 - Manual (Page 25)

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Check all internal and external SCSI bus cable connections. If the problem continues, disable Domain Validation for a specific SCSI device. To
disable Domain Validation for a specific SCSI device, use the Fusion-MPT SCSI BIOS Configuration Utility to set the Sync Rate to 0 (async) and
the Data Width to 8. The SCSI device runs in async/narrow mode and no Domain Validation operations are performed on the SCSI device.
The integrated stripe volume Fails — The POST displays Failed instead of Optimal.
1. Ensure that the SCSI cable is properly attached to each hard drive and to the system board.
2. Ensure that the power cable is connected to each hard drive.
3. Ensure that the stripe volume drives have not been moved.
For additional assistance, contact Dell .
If the integrated stripe volume contains the operating system and the computer does not boot:
1. Press during system startup when the following message appears: Press Cntl-A to start LSI Logic Configuration
Utility .
2. Access the Array Disk menu
3. Delete the integrated stripe volume.
If the BIOS recognizes all SCSI hard drives, enter the configuration utility and recreate the intergrate stripe volume.
If one or more the hard drives is not recognized by the BIOS or is the configuration utility does not allow the selection of one or more of the
hard drives:
1. Replace the defective hard drive(s).
2. Enter the configuration utility and recreate the integrated stripe volume.
NOTICE: The following procedure may delete all the information that is currently on your hard drives.