Peripheral Slot Operation; Board Hot-Plug - EKF SC2-PRESTO CompactPCI User Manual

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User Guide • SC2-PRESTO • CompactPCI

Peripheral Slot Operation

Beyond that the SC2-PRESTO is operable in periphery slots as well. In this case it acts as a satellite
system, linked to other (processor-) boards by its backplane Ethernet connections. The other resources
associated with the backplane like PCI Express, SATA or USB are not usable in this situation.
Some of the following, system slot dedicated control signals get an altered function or will be
disconnected from the backplane:
PWRBTN# (Connector P1 Pin C3) will be disconnected
<
PWR_FAIL# (Connector P1 Pin F3) becomes GA1
<
<
PRST# (Connector P1 Pin H2) becomes RST# and will be disconnected
WAKE# (Connector P1 Pin I2) will be disconnected
<
SGPIO (Connector P1 Pins G3/H3/J3/K3) will be disconnected
<
One result of that is, that a SC2-PRESTO plugged into a peripheral slot will not get a reset even if the
system controller forces the reset signal on the backplane to an active state.

Board Hot-Plug

Hot-plug of the SC2-PRESTO is not supported, no matter whether it is working as a system controller
or satellite board.
SC2-PRESTO as System Slot Controller for CompactPCI® Serial Systems (Picture similar)
© EKF
®
Serial CPU Board • Intel® Core
-40-
TM
4xxx Processor
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