Using The 3.5-Inch Diskette Drive; Write-Protecting 3.5-Inch Diskettes - IBM H80 User Manual

8. Turn the retaining ring clockwise until the open slots are covered and you hear the
ring snap into place.

Using the 3.5-Inch Diskette Drive

The Model H80 and 660 Models 6H0 and 6H1 has a 1.44MB diskette drive installed
vertically in the front.
The 1.44MB diskette drive can format, read, and write diskettes compatible with the
following diskettes:
v 1.0MB diskettes with 720KB formatted data capacity
v 2.0MB diskettes with 1.44MB formatted data capacity (HD)
Format the diskette according to its specified capacity.

Write-Protecting 3.5-Inch Diskettes

Write-protecting diskettes is necessary so that important information is not accidentally
lost.
When diskettes are write-protected, you can read information from the diskettes, but
you cannot write information onto them.
There is a write-protect tab on the 3.5-inch diskette.
To locate the write-protect tab, turn the diskette over with the label facing down.
v To prevent writing onto a diskette, slide the write-protect tab to open the protect slot,
as shown in the following illustration.
v To allow writing onto a diskette, slide the write-protect tab to cover the protect slot, as
shown in the following illustration.
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User's Guide