| Supertech 2004-01-22, 9:15 am |
| Hot-Plug: Indicates that the hot-plug connectors on the back plane are turned off by the software-controlled switches on the back plane during the card hot insertion into the connectors while the system is running. The cards for hot-plug are generic without special circuit for hot-insetion.
PCI Hot-Plug Specification R1.0
Compaq whitepaper on Hot-Plug PCI for Microsoft Architecture
Hot-Swap: Indicates that the connectors on the back plane are alive with signal and power during hot-swap and the hot-swap card should tolerate the impact from the signal and power during hot-swap. The back plane for hot-swap is generic without special circuit for hot-insertion.
CompactPCI Hot-Swap Specification R1.0
Hot-Swap is used for many CompactPCI applications. Hot-Swap functionality allows the orderly insertion and removal of boards without adversely affecting the system operation. This is done for repair of faulty boards or system reconfiguration. Additionaly, Hot-Swapp provides access to Hot-Swap services, allowing system reconfiguration and fault recovery to occur with no system down time and minimal operator interaction.
Hot-Swap defines 3 levels of compatibility:
Hot-Swap -Capable devices contain the minimum requirements to operate in a Hot-Swap environment.
Hot-Swap Friendly devices contain additional functions to ease the designer's job.
Hot-Swap Ready devices contain all necessary funtions for Hot-Swap.
HTH |