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APPENDIX
A
Connector Signal Descriptions
This appendix describes the Sun Enterprise 220 system main logic board connector
signals and pin assignments that are accessible from the back panel.
The following topics covered in this appendix:
■ “Reference for the Keyboard/Mouse Connector” on page 156
■ “Reference for the Serial Port A and B Connectors” on page 157
■ “Reference for the Twisted-Pair Ethernet (TPE) Connector” on page 160
■ “Reference for the UltraSCSI Connector” on page 161
■ “Reference for the Parallel Port Connector” on page 165
■ “Reference for the Media Independent Interface (MII) Connector” on page 168