Partners SurfRAID TRITON Mini, User Manual

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Introduction
1-10
1.3 SCSI Concepts
Before configuring the SurfRAID TRITON Mini, you must first understand
some basic SCSI concepts so that the SurfRAID TRITON Mini and SCSI
devices will function properly.
1.3.1 Multiple SCSI Format Support
The SurfRAID TRITON Mini support the SCSI interface standards listed be-
low. Note that the data bit and cable length restrictions must be followed.
SCSI Type
SCSI-1
Fast SCSI
Fast Wide SCSI
Ultra SCSI
Ultra Wide SCSI
Ultra 2 SCSI
Ultra 2 Wide SCSI
Ultra 160 Wide LVD
Ultra 320 SCSI LVD
Data Bit
8 Bits
8 Bits
16 Bits
8 Bits
16 Bits
8 Bits
16 Bits
16 Bits
16 Bits
Data Rate
5 MB/Sec
10 MB/Sec
20 MB/Sec
20 MB/Sec
40 MB/Sec
40 MB/Sec
80 MB/Sec
160MB/Sec
320MB/Sec
Cable Length
6 m
3 m
3 m
1.5 m
1.5 m
12 m
12 m
12 m
12 m
1.3.2 Host SCSI ID Selection
A SCSI ID is an identifier assigned to SCSI devices which enables them to
communicate with a computer when they are attached to a host adapter via
the SCSI bus. Each SCSI device, and the host adapter itself, must have a
SCSI ID number (Ultra 320 Wide SCSI = 0 to 15). The ID defines each SCSI
device on the SCSI bus. If there is more than one SCSI adapter in the Sur-
fRAID TRITON Mini, each adapter forms a separate SCSI bus. SCSI IDs can
be reused as long as the ID is assigned to a device on a separate SCSI bus.
Refer to the documentation that came with your peripheral device to deter-
mine the ID and how to change it. The SurfRAID TRITON Mini must be
assigned a unique SCSI ID ranging from 0 to 15. The default value is ID 0.