Northern Telecom DMS-100 Series Maintenance Manual page 80

4-46 Disk drive procedures
Procedure 4-20
Disk condition and disk file error messages - procedures
)
297-1001-537 Standard 01.02 December 1993
Change the disk to PRIME mode.
Switch processors.
CAUTION
This action may cause a loss of data.
Replace the Disk Interface PCA in slot 11 of the
Replace the disk drive.
(continued)
(continued)
Enter: (at the terminal)
>DISK MODE xx (cr)
where: xx = disk mode
Proper response = DISK MODE: AP
i. For any other response, see the procedure for
that message and perform the activities listed.
ii. If successful, procedure complete. (If
unsuccessful, go to step c.)
i. See Switch and Status Panel Operation, Ch.
1 in 297-1001-536: DPP Card Replacement
Guide .
ii. Repeat steps a and b. (If successful, go to
step d. If unsuccessful, go to step e.)
standby chassis.
i. See Printed Circuit Assembly Replacement in
297-1001-536: DPP Card Replacement Guide .
ii. If unsuccessful after PCA replacement and
restart, go to step e. Return the original PCA to
its position before proceeding.
= AP = A PRIME
(from A ONLY)
= BP = B PRIME
(from B ONLY)
or
DISK MODE: BP