The maximum combined length for a string of SCSI cables is 6 meters for non-differential cables. For differential SCSI cables, the maximum is 25 meters. To calculate the total length of a SCSI string, include external cables, internal cables, and printed traces. Table C-3 lists measurements for Enterprise servers.
Table C-3 Internal SCSI Lengths (Approximate)
Location |
Internal Length |
Comments |
---|---|---|
Enterprise 6500 slot 1 |
3.7 meters |
Includes I/O+ board traces and cables to media tray |
Enterprise 5500 slot 1 |
3.7 meters |
Includes I/O+ board traces and cables to media tray |
Enterprise 4500 slot 1 |
1.4 meters |
Includes I/O+ board traces and cables to media tray |
SBus+ I/O board |
0.43 meter |
Includes board traces only |
Graphics+ I/O board |
0.43 meter |
Includes board traces only |
Disk board |
0.64 meter |
Includes board traces only |