
11. Remove the failing disk drive assembly from the slot.
PICTURE 133
12. Move the address jumper to the same position (shown below) on the new
disk drive.
Note: Only disk drives in odd-numbered slots (1 3 5 7 ) have an
address jumper.
PICTURE 134
13. Insert the new disk drive assembly into the 3514.
PICTURE 135
14. Attach the following cables:
a. Disk drive data cable 1 .
b. Disk drive power cable 2 .
PICTURE 136
15. Connect the ac power cable to the rear of the 3514.
PICTURE 137
16. Set the 3514 Power switch to the On position.
After 3 minutes, the power-up sequence should be complete. (An error
message is expected.)
17. Begin the Exchange Disk Drive command from the control panel:
Note: The Exchange Disk Drive command will do the reset function.
a. Using the control panel, enter the following sequence where n is
the location number of the disk drive:
4 2 9 n PICTURE 138
b. The control panel will display a disk drive configuration with the
slot number of the drive to be reset indicated by a solid block.
Example:
+-----------------+
¦ 1 2 3 _ ¦ _ 7 _ ¦ Indicates the disk
+-----------------+ in slot 5 is to
1 2 3 4 5 6 7 8 be reset
Note: If an X is displayed in another position and you are not
repairing a double disk drive failure, the exchange command may
have been issued to the wrong disk drive. Verify that the slot
number at the disk drive being reset was not determined from the
direct select address reported by the system.
c. If the 3514 detects an error during the 4 2 9 n command, a return
code is displayed.
To determine if further action is required, go to "Control Panel
Command Return Code Information" in topic 3.4.
+-----------------+
¦ 4 2 9 n x x ¦ Return Code x x
+-----------------+ on disk drive n.
1 2 3 4 5 6 7 8
Note: A return code of DE may indicate an address jumper or cable
is not installed correctly.
18. Complete the Exchange Disk Drive command by entering the following
sequence on the control panel:
3514 Service Information
URC 71pF 73pF 76pF 7FpF 81pF 83pF 86pF 8FpF
¦ Copyright IBM Corp. 1992, 1993
3.5.12.1 - 2