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Differential Ultra Wide SCSI
Prior to beginning the cabling, iden tify the
configuration for your installation. Note the card
locations in the illustrations for each configuration.
Install your cards and connect the cabling based on the
procedures and diagrams shown. The diagrams depict
the configuration using the minimum n umber of
controller channels.
Differential Converter Card
Channel 0 Channel 1
Two Single-Bus Cabinets
With this configuration you will have up to four teen
(14) disk drives per differential host adapter channel.
Due to the fourteen drives per chan nel limitation, tw o
disk drive slots will not be available.
If you are using multiple controllers you can expand
your capacity by using up to four controllers per CPU
system. Refer to “Default Configurations” later in this
section for information on special SCSI ID settin gs.
1Power off your computer system o r workstation .
2Be sure to complete the “Setup” and “Component
Installation” sections described earlier in this Guid e.
The DEU ships from the factory with I/O Interface
cards installed in both card slots. Therefore during
the installation, you may be required to remov e one
or both I/O Interface cards.
3Identify the subsystem which will be the master
cabinet. Loosen the two thumb screws and remove
the I/O Interface card installed in the up per or rig ht
side card slot of the master cabinet.