IntraServer Technology ITI-90-100250 - Manual (Page 13)

Page 13 of 83
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Adapter Configuration
IntraServer CompactPCI
®
Combination adapters will have a different
connector configuration depending on which variation you have purchased.
This guide will cover the ITI-8241C-S, two Ultra2/LVD SCSI port, four Fast
Ethernet and Video, fully configured module. For all other variations of the
adapter, simply skip those sections that do not apply to your adapter.
I/O Connectors
SCSI
ITI-8000 host adapters include an external SCSI Connector for each SCSI
channel, accessible through the front bulkhead handle. The ITI-8241C-R
variant of the module allows SCSI to exit the rear of the system enclosure, by
connecting to J3 and J5 of the ITI-8000 module. See appendix A and
Appendix B for additional Information.
Correct installation of your adapter requires that you first understand the
basic rules of the SCSI bus and correctly configure the termination based on
the position of the IntraServer CompactPCI
®
adapter on the bus. In order for
a SCSI bus to operate, it must be electrically terminated at both ends.
The terminators for LVD/SE and SE on the ITI-8000 Series adapters are fully
automatic, and in normal circumstances need no manual intervention for
correct operation. Indicator lights on the handle of the module will confirm
correct operation of each of the buses.
Each of the two Ultra2 SCSI ports are capable of running Low Voltage
Differential (LVD) at up to 80MB/sec, or Single Ended (SE) at up to
40MB/sec. Placing a Single Ended device on an LVD bus will cause the bus
to run in SE mode, and reduce the overall bandwidth of the bus to 40MB/sec.
Ethernet
Four Ethernet connectors are provided on the adapter handle. They will be
known to the Solaris system as qfe0 – qfe3
1
, and are numbered from the top
of the handle to the middle, where the port closest to the top (or end) of the