LSI SYM22801 - Manual (Page 24)

2-10 Installing the SYM22801 Host Adapter
Figure 2.5 Internal SCSI Ribbon Cable to Host Adapter
Connection
Step 3. Plug the 68 or 50-pin connector on the other end of the internal
SCSI ribbon cable into the SCSI connector on the internal SCSI
device. An example of this connection is shown in Figure 2.6.
You must match pin-1 on all connections.
C h annel A
J4
C han nel B
J8