SCSI Cable Length

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Note -

Do not use the onboard SCSI connector of the I/O+ board in slot 1. The onboard SCSI connector for the board in slot 1 connects to the media tray at the front of the system (the media tray contains the CD-ROM drive and a slot for an optional second SCSI drive).

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You can connect SCSI devices to the onboard SCSI connector on an I/O+ board in any slot except slot 1.

You can use the SBus slots on any I/O+ board for SCSI interface cards.

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-4 lists measurements for Enterprise servers.

Table C-4 Internal SCSI Lengths (Approximate)

Location	Internal Length
SBus+ I/O board	0.43 meter
Graphics+ I/O board	0.43 meter