Sun Microsystems StorageTek SL500 Reference Manual

Implementation Requirements
86 SL500: Interface Reference Manual • July 2008 Revision: F • 96122
Command Descriptor Block
Initiators use three types of CDBs to communicate commands to the targets:
■ 6–Byte commands (TABLE 6-1)
■ 10–Byte commands (TABLE 6-2)
■ 12-Byte commands (TABLE 6-3)
The first byte in the command descriptor block contains an operation code.
TABLE 6-1 6-Byte Command Descriptor Block
Byte
Bit
76543210
0 Group Code Command Code
1 Reserved Command Parameters
2–4 Command Parameters
5 Control Byte
TABLE 6-2 10-Byte Command Descriptor Block
Byte
Bit
76543210
0Operation Code
1 Reserved Command Parameters
2–8 Command Parameters
9 Control Byte
TABLE 6-3 12-Byte Command Descriptor Block
Byte
Bit
76543210
0Operation Code
1 Reserved Command Parameters
2–9 Command Parameters
10 Reserved
11 Control Byte

Sun Microsystems StorageTek SL500 Specifications

General

Brand	Sun Microsystems
Model	StorageTek SL500
Category	Storage
Language	English