The PICMG® 2.30 CompactPCI® PlusIO specification defines standardised
high speed rear I/O across the backplane connector J2, such as PCI Express®,
SATA, and Gigabit Ethernet. The PR1-RIO is a rear I/O transition module for
PlusIO systems, provided with back panel connectors for external usage, and
also connectors for system internal cabling. The PR1-RIO can be used together
with any PlusIO compliant CPU board, e.g. the
The PR1-RIO uses a special CPCI J2 connector, suitable for high speed signals.
Two Gigabit Ethernet RJ45 ports are available from the PR1-RIO back panel, and
in addition 2 x USB/eSATA via combo connectors. For system internal usage the
PR1-RIO is provided with 2 x SATA and 2 x USB connectors. In addition, the
PR1-RIO can be equipped wit up to four connectors according to the PCI Express®
External Cabling Specification (PCI-SIG®).