IBM 2292, Hardware Maintenance Manual

Page: 25 / 230

non-destructive ranges somehow overlap, then the overlapped area is considered
non-destructive. For example, if users specify both destructive and non-destructive
ranges as the same, then the entire drive is tested as non-destructive.
Quick and Full erase - hard drive
The Diagnostics program offers two hard drive format utilities:
v
Quick Erase Hard Drive
v Full Erase Hard Drive
The Quick Erase Hard Drive provides a DOS utility that performs the following
steps.
v
Destroys the Master Boot Record (MBR) on the hard drive.
v
Destroys all copies of the FAT Table on all partitions (both the master and
backup).
v
Destroys the partition table.
v
Provides messages that warn the user that this is a non-recoverable process.
Chapter 4. Diagnostics
19