Specifications

Replacement Procedures 2–39
6. Connect the open end of the ECB Y-cable to the new ECB and then disconnect the
ECB cable from the old ECB.
7. Restore power to the subsystem. The controller automatically restarts.
8. Start FRUTIL with the following command:
RUN FRUTIL
The following display appears:
Do you intend to replace this controller’s cache battery? Y/N
9. Type Y(es). The following display appears:
If the batteries were replaced while the cabinet was powered
down, press return.
Otherwise follow this procedure:
WARNING: Ensure that at least one battery is connected to the
Y cable at all times during this procedure.
1.Connect the new battery to the unused end of the 'Y' cable
attached to cache A [
or B ].
2.Disconnect the old battery. Do not wait for the new
battery's status light to turn solid green.
3.Press return.
10. Press Enter/Return.
The following display appears:
Updating this battery's expiration date and deep discharge history.
Field Replacement Utility terminated.
11. Disconnect the PC or terminal from the controller maintenance port.
12. For a dual-redundant controller configuration and the ECB was replaced for both
cache modules:
■ If the other cache module is also to be connected to the new ECB, connect the PC
or terminal to the “other controller” maintenance port.
The connected controller now becomes “this controller.”
■ Repeat step 8 through step 11.
■ Remove the old ECB.