IBM 6151 Maintenance And Service Manual page 234

Step 6
1. Set the power switch On the system unit and RT PC 6192 to Off.
2. Wait 30 seconds; then set the power switch on the system unit
to On (leave the RT PC 6192 off).
3. Run the failing procedure using the ADVANCED DIAGNOSTIC
SELECTION menu.
DIAG-2
The Service Request Number is:
13-521-I\6B
WRITE .... down the above numher.
RETURN ....
to
the Hardware Maintenance and Service Manual.
DID THE PROCEDURE FAIL?
YES Go to "Step 8" on page 3-0100-8.
NO Continue on the next page.
3-0100-6 Service Manual