User`s guide

52 • Appendix A
A
Appendix A
A.1 CPCI-6765A System Mode Hot Swap
Insert behavior
• Ejector open
–
supplies 3.3V and 5V early voltages, hot-swap LED
turn on to indicate on-board powers off.
• Ejector close
–
the LTC1643 hot swap controller turn on all supply
voltage and hot-swap LED turns off.
Removed behavior
• Ejector open
–
generates a power down button signal, software
shuts down system and turns on hot-swap LED to indicate it is safe to
removed the board from the live slot.
A.2 CPCI-6765 Peripheral Mode Hot Swap
The cPCI-6765 is designed with an INTEL 21555 hot-swap controller,
which supports hot-swap event pin, p_enum_l. This signal is routed to the
host CPU through the Compact PCI connector. This signal informs the
CPU that the configuration of the system has changed; that is, the card has
been inserted or is about to be removed.