Check Test Cylinder
This test checks the test cylinder, which is the last cylinder on the hard disk.
Perform this test if you receive a hard disk error when you boot the system.
When you select Check Test Cylinder, DIAG requests the disk drive identifier and disk drive type.
Force Bad Tracks
Use this test to mark bad tracks on the hard disk without formatting the disk.
When you select Force Bad Tracks, DIAG requests the following hard disk parameters:
Disk drive identifier
Disk drive type
Starr cylinder number
End cylinder number
Start head number
End head number
DIAG displays the following messages after you specify the hard disk parameters:
W A R N I N G
All data on Hard disk you have specified may be LOST...
Do you still want to continue (Y/N)?
System Diagnostics 29