Seagate MEDALIST 1080SL - Manual (Page 22)

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The DOS utilities diskette may be corrupted. Try your backup
DOS diskette.
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If you have DOS Version 4.0 or earlier, make the drive parti-
tions smaller.
•
Check for media defects at the beginning of the drive. Use a
third-party surface scan utility.
The FDISK error message, “No Fixed Disk Present,” appears.
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Check all cables.
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Check the power supply specifications.
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Make sure the drive spins up when you turn on the system.
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In AT systems, check the drive type. The drive type must be
set to Not Installed or the drive-type values set to zero.
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Check for I/O address conflicts.
During the DOS high-level format, the drive keeps retrying
hard errors and reporting the following message. “Attempt-
ing to recover allocation units. . .”
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This is normal with DOS Version 4.0 or later.
DOS messages, “Disk Boot Failure,” “Non-System Disk,” or
“No ROM Basic - SYSTEM HALTED,” appear.
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Remove the diskette from the diskette drive.
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Check all cables.
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Use the same version of DOS throughout your system.
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Reinstall the DOS system files using the DOS SYS utility.
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Make sure the primary partition is active in FDISK.
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Check for viruses.
20 Medalist 1080sl SCSI Installation Guide, August 1995