124
PQ-8P, PQ-8S
Table 7-1 (continued). Error Messages.
Error Message Description Probable Cause
No Interrupt on Data A byte of data (not a Problems in the receiver
poll) was sent and the circuitry or problems with the
receiver circuitry did microprocessor interrupts.
not interrupt the
microprocessor.
Output Data The transmitter timing This indicates an ASIC
Available Bit Bad is not staying busy for failure.
the proper period.
Input Data Available The bit signaling that A properly terminated cable
Bit Bad data was received was is not attached, a driver
not set as expected. circuitry failure, a receiver
circuit failure, or an ASIC
failure.
No Interrupt on Bad This test sends a This indicates an ASIC
Parity or Wrong transmission with the failure.
Interrupt on Bad parity purposely
Parity invalid to test the
proper reaction.
Either no interrupt or
the wrong interrupt
was received in this
test.
Interrupt Without During a poll test, the This indicates an ASIC
NMI on Poll to transmission was failure.
Address X received as data, not
as a poll.
