Northern Telecom DMS-100 Series Maintenance Manual page 124

4-90 Disk drive procedures
Procedure 4-43
Disk drive hardware error messages - procedures
Procedure 4-44
Disk drive hardware error messages - procedures
1 (log message)
DISK: BUS CONTROLLER
INTERRUPT WHILE IDLE
AUXILIARY STATUS: xx,
INTERRUPT STATUS yy
2 Alarm Level:
Possible disk mode change
3 Customer-Selected
Alarm Level
4 Other Alarm Indications
5 System Recovery Action
297-1001-537 Standard 01.02 December 1993
CAUTION
Since all circuit assemblies in the DPP are static sensitive, be
careful handling them.
g. Call for technical assistance.
where: Auxiliary Status = xx = contents of the bus
cause: printed when the Disk Interface or the SCSI
Reason Code = 27
Corresponds to ERRMAP entry: DISK ER MESSAGE
System Default:
Default:
Status Panel: Minor
Customer-Selected
Status Panel:
None
(continued)
(continued)
i) See Disk Drive Procedures, Replacing Disk
Drive, Procedure 4-8.
ii) Repeat steps c, d, and e. (If unsuccessful, go to
step g.)
End
controller auxiliary status register, (in Hex).
Interrupt Status = yy = contents of the bus
interrupt status register, (in Hex).
(Small Computer System Interface) bus controller
generates an unexpected interrupt.
Type: Minor
Type:
Level: 0
Level:
Audible: Minor
Audible: