Parity Options - LSI LSI53C875A Technical Manual

2.2.11 Parity Options

2-24
The LSI53C875A implements a flexible parity scheme that allows control
of the parity sense, allows parity checking to be turned on or off, and has
the ability to deliberately send a byte with bad parity over the SCSI bus
to test parity error recovery procedures.
are involved in parity control and observation.
parity control function of the Enable Parity Checking and Assert SCSI
Even Parity bits in the
Table 2.5 describes the options available when a parity error occurs.
Figure 2.2 shows where parity checking is done in the LSI53C875A.
Functional Description
Table 2.3
SCSI Control One (SCNTL1)
defines the bits that
Table 2.4 describes the
register, bit 2.