LSI SYM22801 - Manual (Page 23)

Detailed Installation Procedure 2-9
Figure 2.4 Internal Wide SCSI Ribbon Cable to Host Adapter
Connection
Step 2. To connect an 8-bit internal SCSI device, plug the 50-pin
connector on one end of an 8-conductor internal SCSI ribbon
cable into the connector J4 or J8 (see Figure 2.5). Make certain
to match pin-1 on both connectors.
J6
J2