Technical information

HGST Ultrastar C15K600 Hard Disk Drive Specification
231
18.28.2
Receive Diagnostic Results Page 40
Using the SEND DIAGNOSTIC command, an address in either physical or logical format is supplied to the drive.
This page is then used to retrieve the address translated into the other format.
Table 208 Receive Diagnostic Results page 40
Byte
Bit
7
6
5
4
3
2
1
0
0
Page Code = 40h
1
Reserved = 0
2-3
Page Length
4
Reserved = 0
Supplied Format
5
RA
ALTS
ALTT
Reserved=0
Translate Format
6-13
Translated Address
- Page Length is set to 02h if the address is in a Reserved Area (RA =1). Otherwise, Page Length is set to 0Ah.
- Supplied Format is the value supplied by the SEND DIAGNOSTIC command; it may be 1of the 3 following
values:
- 000b Short Block format
- 011b Long Block format
- 100b Bytes From Index format
- 101b Physical Sector format
- Translate Format is the value supplied by the SEND DIAGNOSTIC command and specifies the format in which
the address has been translated into List. If the Supplied Format is the Short Block or Long Block format, the
Translate Format must be either Bytes from Index or Physical Sector format. If the Supplied Format is the Bytes
from Index or Physical Sector format, the Translate Format must be Long Block format. Otherwise the Target
will terminate the command with Check Condition status.
- RA (Reserved Area) is set to one if the translated block is an inaccessible sector, which could reflect a defect,
an unused sector on a spare cylinder, or a sector beyond the Maximum Customer LBA.
- ALTS (Alternate Sector) is set to one if the translated block is a sector in a spare cylinder that points to a
reassigned customer sector.
- ALTT (Alternate Track) is not used.
- Translated Address contains the address in the Translate Format. For a physical format it is as follows:
Table 209 Translated address
Byte
Bit
7 6 5 4 3 2 1 0
6-8
Cylinder Number
9
Head Number