Interface Card OL* Support Guide

Appendix C
Advanced OL* Topics
Attention Button Events
101
Attention Button Events
The following are various Attention Button events:
INSERTION_UNPOWERED Card inserted, slot unpowered
INSERTION_POWERED Card inserted, slot powered
NORMAL_REMOVAL Normal hot removal
SURPRISE_REMOVAL Surprise removal, for example, the latch is opened when the power is ON
FREQ_MISMATCH OL* failed because the frequency at which the card can operate is not
compatible with the current bus frequency
MODE_MISMATCH OL* failed because the mode at which the card can operate is not
compatible with the current bus mode. For example PCI versus PCI-X
POWER_FAULT Device Power Fault