Technical data

FRU Confi gurations A-1
Appendix A
Jumper and Switch Configurations
This appendix provides jumper and switch configurations for Series 400 circuit boards
and storage devices. When you replace one of these boards (as instructed in
Chapter 5), make sure that the jumpers or switches are set as shown in this appendix.
A.1 Configurations for Circuit Boards
This section defines the jumper and switch configurations for system boards. Refer to
the appropriate figure for configuration information for the board that you’re replacing.
NOTICE: If you are replacing an accessory board that has configuration
switches and is not listed in this appendix, set the switches on
the replacement board the same as the original board. Refer
to the accessory board’s installation or service documentation
for more configuration details.
A.1.1 CPU Boards
Figure A-1 shows the jumper configurations for Series 400 CPU boards.