Technical information

HGST Ultrastar C15K600 Hard Disk Drive Specification
138
18.7.12
Log Sense Page 18
This page contains protocol-specific log parameters.
Table 115 Log Sense Page 18
Byte
Bit
7
6
5
4
3
2
1
0
0
Page code = 18h
1
SubPage Code (00h)
2-3
(MSB)
Page Length (D8h)
(LSB)
Protocol-specific log parameters
4-111
First Protocol-specific log parameter - Primary Port
112-219
Last Protocol-specific log parameters - Secondary Port
Table 116 SAS Log Descriptor (part 1 of 3)
Byte
Bit
7
6
5
4
3
2
1
0
0-1
(MSB)
Parameter Code (0001h for primary port; 0002h for secondary
(LSB)
2
DU (=0)
Obsolete
TSD (=0)
ETC (=0)
TMC (00b)
Format and Linking
3
Parameter Length (68h)
4
Reserved
Protocol IDENTIFIER (6h)
5
Reserved
6
Generation Code
7
Number of PHYs (01h)
8
Reserved
9
PHY IDENTIFIER (00h)
10
Reserved
11
SAS PHY Log Descriptor Length (60h)
12
Reserved
Attached Device Type
Attached Reason
13
Reason
Negotiated Physical Link Rate