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Chapter 2: Hardware information
6. Ultra160 SCSI connector (SCSIB)
This motherboard has two 68-Pin Ultra160 SCSI connectors, one
internal and one external. The SCSI connectors can support a
maximum of 15 devices as specified by Ultra160 standards.
SCSI Connection Notes
The onboard SCSI chipset incorporates an advanced multimode I/O cell
that supports both single-ended (SE), Ultra2, and Ultra160 devices. With
Ultra160 devices, the SCSI bus platform performs at full Ultra160 speeds
(up to 160MB/s) and extended cabling 12m (or 25m in a point-to-point
configuration). When an SE device is attached, the bus defaults to an SE
speed and 1.5m cable length.
The internal and external SCSI connectors are on the same channel.
You may use only one connector at a time.
PR-DLSR
®
PR-DLSR SCSI Connection Example
68-pin External SCSI Cable
68-pin Female
Terminator
Internal SCSI Devices (up to 15 devices)
Channel B
68-pin Internal SCSI Cable
68-pin Female
Terminator
Internal SCSI Devices (up to 15 devices)
Channel B
PR-DLSR
®
PR-DLSR Onboard SCSI Connectors
2U-SCSI
68-Pin Ultra160/
Ultra2-Wide SCSI Connector
SCSI-B
68-Pin Ultra160/
Very High Density SCSI Connector
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