Author: TACKtech Team
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Views: 10,853 /
Created: January 31, 2001
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SCSI [ Small Computer System Interface] (pronounced scuzzy)- A fast, intelligent input/output parallel bus used by high-performance peripherals.
SCSI Specifications |
Interface -
SCSI Trade Association Terminogy |
SCSI Bus Speed |
Max. Cable Length SE/Diff |
Max. Number
of Devices |
Physical Connectors |
SCSI-1 |
5MB/s |
6/25 M* |
7 |
50-pin narrow |
Fast SCSI |
10MB/s |
6 M |
7 |
50-pin narrow |
Fast Wide High Voltage Differential SCSI |
20MB/s |
25 M |
15 |
80-pin SCA 68-pin wide |
Fast Wide SCSI |
20MB/s |
6 M |
15 |
68-pin wide 80-pin SCA |
Ultra SCSI |
20MB/s |
1.5 M |
7 |
50-pin narrow |
Wide Ultra SCSI |
40MB/s |
1.5 M |
15 |
68-pin wide 80-pin SCA |
Ultra2 SCSI (LVD) |
40MB/s |
12 M |
7 |
50-pin narrow |
Wide Ultra2 SCSI (LVD) |
80MB/s |
12 M |
15 |
80-pin SCA 68-pin wide |
Wide Ultra3 SCSI (LVD) |
160MB/s |
12 M |
15 |
80-pin SCA 68-pin wide |
* M = meters |
Narrow 50-pin Connector

Wide 68-pin Connector

SCA 80-pin Connector

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