AT&T 3B2 Off-Line Diagnostic Manual page 25

The response to this message is a list of the possible load devices.
Possible load devices are:
Option Number
o
1
Slot
o
o
Type
INTmRAL
IIO BUS
Name
FD5
SCSI
Enter Load Device Option Number [1 ( SCSI) ]: <CR>
Entering the option 1 or the carriage return will initiate the following response:
Possible subdevices are:
Option Number Subdevice Name
o
1
2
o
1
2
disk
tape
disk
Enter SUbdevice Option Number [0 (disk)]: <CR>
Entering the option 0 or the carriage return will initiate the diagnostic monitor on the hard disk.
The following message is then displayed on the system console:
DIAGNOSTIC MONITOR
You are now in the interactive DGMON firmware program. Please note that this program accepts
both uppercase and lowercase input. The system automatically shifts all lowercase input to uppercase.
Do not be confused if an error message echoes your lowercase input as uppercase.
USING DIAGNOSTICS 2-7