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Adaptec SCSI Card 29160 User’s Reference
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Termination on non-Ultra160 and Ultra2 internal SCSI devices
usually is controlled by manually setting a jumper or a switch
on the device, or by physically removing or installing one or
more resistor modules on the device.
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Termination on most external SCSI devices is controlled by
installing or removing a SCSI terminator. However, termina-
tion on some external SCSI devices is enabled or disabled by
setting a switch on the back of the SCSI device.
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The last external Ultra160 or Ultra2 SCSI device must be termi-
nated with an LVD/SE (low voltage differential/single ended)
terminator plug to ensure that the device will operate at its
maximum speed. If you use a different kind of terminator
plug, the data I/O rate will decrease.
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By default, termination on the Adaptec SCSI Card 29160 itself
is set to Automatic (the preferred method). We recommend that
you do not change this default setting.
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