IBM i 830 Repair Manual page 651

Figure 17. System Unit Control Panel with Keystick (NB1)
g. Depress the push button for 3-4 seconds. The control panel will display the
bring up SRCs and then function 01.
9. Set the configuration ID in the Tower Card:
a. If the AC power is not applied, then apply it now.
Note: The tower may power up automatically.
b. Power down the expansion tower without removing the power cord. See
"Expansion Tower and SPCN Controlled Expansion Unit Power
Procedure" on page 926.
c. Select function 07 on the system panel. Press Enter. (07** will be displayed)
d. Use the arrow keys to increment/decrement to sub-function A9 (07A9 will
be displayed). Press Enter (07A9 00 will be displayed).
e. Use the arrow keys to increment/decrement to the frame address, nn (nn
is usually 02, 03, and so forth for expansion towers) (07nn will be
displayed). Press Enter (07nn 00 will be displayed).
Note: The display on the addressed frame should now be blinking on and
off.
f. Use the arrow keys to increment/decrement to a configuration ID.
v The configuration ID is '81' for FC 5074 and FC 5079.
v The configuration ID is '82' for FC 9079.
(078x will be displayed). Press Enter (078x 00 will be displayed).
Remove and Replace Procedures
Chapter 4. Removal and Installation Procedures
637