A.2.2 the scsi interface, A.2.2, The scsi interface – LSI U80ALVD User Manual
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Operational Environment
A-7
A.2.2
The SCSI Interface
The SCSI interface conforms to ANSI X 3T10.11/1142.
The SCSI interface operates as 16-bit, synchronous or asynchronous,
SE or LVD, and supports SCSI-3 protocols and 8-bit and16-bit arbitration.
The interface is made through connectors J2 and J3.
Active SE or LVD SCSI termination is provided automatically. SCSI
TERMPWR is supplied by the board.
Connector J2 is a 68-pin HD right angle header used for internal
connections.
Connector J3 is a 68-pin HD right angle connector that protrudes through
the back panel bracket and is used for external connections.
and
show the signal assignments for J2 and J3
respectively.