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MegaRAID SCSI 320-2 Hardware Guide A-1
Copyright © 2002 by LSI Logic Corporation. All rights reserved.
Appendix A
SCSI Cables and
Connectors
The MegaRAID SCSI 320-2 provides several different types of SCSI
connectors. The connectors are:
• Two 68-pin high density internal connectors
• Two 68-pin very high density external connectors
A.1 68-Pin High-Density SCSI Internal Connector
Each SCSI channel on the MegaRAID SCSI 320-2 controller has a
68-pin high density 0.050 inch pitch unshielded connector.
These connectors provide all signals needed to connect the MegaRAID
SCSI 320-2 to Wide SCSI devices. The connector pinouts are for a
single-ended primary bus (P-CABLE) as specified in SCSI-3 Parallel
Interface X3T9.2, Project 885-D, revision 12b, dated July 2, 1993.
The cable assemblies that interface with the 68-pin connector are:
• Flat ribbon or twisted pair cable for connecting internal Wide SCSI
devices
• Round shielded cable for connecting external Wide SCSI devices