Seagate cavi tv 77767496 Manuale

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Seagate cavi tv 77767496
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Fibre Channel Interface Manual, Rev. D 259
12.19 Prefetch (16) command
The Prefetch (16) command requests that the drive read and transfer the specified logical blocks to the drive's
cache memory. No data shall be transferred to the initiator.
Table 170: PREFETCH (16) command (90h)
Field definitions (listed alphabetically)
Control
See Control Bytes in Section 11.2.1.6.
Immed (Immediate)
0 Status shall be returned after the operation is complete.
1 Status shall be returned as soon as the command descriptor block has been validated.
Logical Block Address
The logical block address field specifies the first logical block of the range of logical blocks for this command.
Operation Code
90h The operation code for the Prefetch (16) command.
RelAdr (Relative Addressing)
This function is not supported by drives described in this manual.
Bit
Byte
76543210
0
Operation Code (90h)
1 Reserved Immed RelAdr
2 (MSB)
Logical Block Address
3
4
5
6
7
8
9 (LSB)
10 (MSB)
Transfer Length
11
12
13 (LSB)
14
Reserved
15
Control
90h
Table
number
169
169
169
169
169
Indice
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