Technical information
HGST Ultrastar C15K600 Hard Disk Drive Specification
111
1
Page Code = 91h
2-3
Page Length = 24 (0018h)
4-15
Port Information Descriptor 0
16-27
Port Information Descriptor 1
- Qualifier is set to zero to indicate that the LUN specified in the Command Block is currently supported.
- Peripheral Device Type is set to zero to indicate that the device is Direct Access.
- Page Code is set to the value of the page code field in the CDB.
- Page Length is set to 24, and this field specifies the length of the following page data.
Port Information Descriptor 0 is defined in Table 84
Port Information Descriptor 1 is defined in Table 84
Table 84 Port Information Descriptor for SAS SSP
Byte
Bit
7
6
5
4
3
2
1
0
0-1
Relative Port Identifier
2
Reserved
Protocol Identifier (6h)
3
Reserved
PWR_D_
S
4-5
Reserved
6-7
Descriptor Length (0004h)
8-11
SAS PHY Information Descriptor 0
- Relative Port Identifier is set to 1 for Port A (Primary Port) or 2 for Port B (Secondary Port).
- Protocol Identifier is set to 6 to specify that this is a SAS SSP Descriptor.
- PWR_D_S, Power Disable Supported, is set to 1 to specify that the POWER DISABLE signal is supported.
- SAS PHY Information Descriptor 0 is defined in Table 85
Table 85 SAS PHY Information Descriptor for SAS SSP
Byte
Bit
7
6
5
4
3
2
1
0
0
Reserved
1
PHY Identifier
3
Reserved
SSP
Persistent
Capable