System information

Default Jumper Settings
A-1
Appendix A
Default Jumper Settings
This appendix provides the location and default setting for all jumpers in
AlphaServer 800 systems.
• Section A-1 provides location and default settings for jumpers on the
motherboard.
• Section A-2 provides the location and supported settings for the J3 jumper on
the CPU daughter board.
• Section A-3 provides the location and default setting for the J1 jumper on the
CPU daughter board.
• Section A-4 provides the location and supported setting for the J5 jumper on the
hard disk backplane.