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SCSI Commands: 22BMODE SELECT
3.10.6.3
Disconnect/Reconnect Mode Page (02h) for SPI
The SPI, (SCSI Parallel Interface), Disconnect/Reconnect mode page contains the
following parameters.
Bits
Byte
7
0
Reserved
1
2
3
4
5
6
7
8
9
10
(MSB)
11
12
13
14
15
The SPI DisconnectReconnect Mode Page parameters are listed below.
Field
Bytes
Bits
Page Code
0
0-5
Additional
1
Page Length
Maximum
10-11
Burst Size
Reserved
On read operations, the drive disconnects when the drive buffer is empty, even if the
Allocation Length has not been satisfied. On write operations, the drive disconnects
when the drive buffer is full, even if the Transfer Length has not been exhausted.
6
5
4
Additional Page Length (0Eh)
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Maximum Burst Size
Reserved
Reserved
Reserved
Reserved
Description
Always 02h, indicating the Disconnect/Reconnect Page
Always 0Eh, indicating that 14 parameter bytes follow the Page
Length byte.
0 = No limit exists on the amount of data transferred per connection
(default). The drive does not have to disconnect until all requested
data is transferred.
1 to 80h = The maximum amount of data that the drive can transfer,
in 512-byte increments, before disconnecting, if the initiator granted
the disconnect capability.
Note that attempting to set Maximum Burst Size to a value greater
than supported by the drive will return check condition with sense
RECOVERED ERROR; ROUNDED PARAMETER.
All reserved bits must be 0.
3
2
1
Page Code (02h)
Page 87
0
(LSB)
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