Digital Equipment 3100R Series, Service Maintenance Manual

Page: 74 / 174

Troubleshooting
4-26
Diskette Drive Troubleshooting
Problem Possible Cause Action
Target diskette drive cannot
read or write information. Diskette is not formatted.
Diskette is worn or
damaged.
Diskette is write-protected.
Diskette drive is empty.
Diskette write protection
enabled.
Disabled in SCU.
Format the diskette.
Try another diskette.
Slide the write-protect switch so the
hole is not visible.
Insert a diskette.
Run the SCU and set the Diskette
Write Protection option to
“Disabled.”
Run the SCU and enable the
diskette drive.
Server does not boot from a
target diskette drive.
Cannot write to target
diskette drive.
Drive ID incorrectly set.
Diskette drive not enabled.
Diskette boot option
disabled.
Diskette does not contain
start-up files.
Diskette drive is empty.
Diskette is worn or
damaged.
Loose cables.
Diskette drive write
protected.
Make sure the drive ID is correctly
set. Refer to the documentation
that came with the diskette drive.
Run the SCU and enable the
diskette drive.
Run the SCU and set boot option A
then C.
Insert a diskette with the correct
start-up files.
Insert a diskette that contains an
operating system.
Try another diskette.
Secure all cable connections.
Run the SCU and disable the
diskette write protection option.