Sun Microsystems SPARCengine Ultra AXi - Jumpers

Appendix A Jumpers, Headers, Connectors, and Adapters A-3
A.1 Jumpers
TABLE A-1 shows the default motherboard jumper settings.
TABLE A-1 Motherboard Jumper Settings
Jumper Settings and Results
J1401 1-2 Flash Memory Write disabled
2-3 Flash Memory Write enabled (default)
J1402 1-2 Flash Memory selected (default)
2-3 ROM Emulator selected (used for system debug only)
J1804
J1806
1-2 RS232 (default)
2-3 RS423
1-2 RS232 (default)
2-3 RS423
J1805 1-2 FAST Serial
2-3 Normal RS232 (default)
No Jumper Normal
J3303
[1]
1. Available on the -08 and later versions of Ultra AXi.
2-4 Default power off
4-6 Default power on (default)