Bus Status Leds - Adaptec PM1564U3 Install Manual

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Bus Status LEDs

SmartRAID VI Century controllers include status LEDs to indicate the
following SCSI bus operating conditions. Channel A is normally referred
to as Bus 0 and Channel B is normally referred to as Bus 1.
TERMPWR-A/B
This LED is lit when termination power is supplied by the controller
for the respective channels.
TRMEN-A/B
This LED is lit when termination is enabled on the controller for
the respective channels.
TRMENHD-A
High-byte enable LED for the A channel (Bus 0) that indicates the
upper 8 bits of a 16-bit bus are terminated to support an 8-bit bus
segment. This LED is lit when the High-Only option is selected for
bus termination.
LVD-A/B
This LED indicates whether the bus is operating in LVD mode. It is
on when all devices are using LVD SCSI signalling. This LED is off
when the bus is operating in single-ended mode.
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