Technical information
HGST Ultrastar C15K600 Hard Disk Drive Specification
82
17.6.5
RESPONSE Information Units
The RESPONSE frame is sent by the drive to the Initiator (in bound data) or by the Initiator to the drive (out bound
data).
Table 50 Response Information Unit
Byte
Bit
7
6
5
4
3
2
1
0
0-7
Reserved
8-9
MSB
Retry Delay Timer
LSB
10
Reserved DataPres
11
Status
12 - 15
Reserved
16 - 19
Sense Data Length (n bytes)
20 - 23
Response Data Length (m bytes)
24 - (24+m)
Response Data
(24+m) -(23+m+n)
Sense Data
Retry Delay Timer contains the retry delay timer code which is defined as follows:
Table 51 RETRY DELAY TIMER Field (part 1 of 2)
Status Code
Retry Delay Timer
Code
Description
BUSY
0000h
Same as normal busy
0001h-FFEFh
The number of 100 milliseconds increments which Initiator should
wait before sending another command to drive
FFF0h-FFFDh
Reserved
FFEFh
Initiator should stop sending commands to drive
FFFFh Drive is not able to accept the command
0000h Same as normal busy
QUEUE FULL
0001h-FFEFh
Initiator should wait before sending another command to the drive
until:
a) At least the number of 100 milliseconds increments
indicated in the RETRY DELAY TIMER CODE field have
elapsed; or
b) A command addressed to the drive completes.
FFF0h-FFFFh
Reserved
GOOD
0000h-FFFFh
Reserved