IBM DCAS-32160 - Ultrastar 2.1 GB Hard Drive, Specifications

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Supplied Format is the value supplied by the Send Diagnostic command it may be one of the three fol-
lowing values
−
000b Block format
−
100b Bytes From Index format
−
101b Physical Sector format
It specifies the format in which the address has been supplied.
Translate Format is the value supplied by the Send Diagnostic command and specifies the format that
the address has been translated into List.
If the supplied format is the 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 Block format. Otherwise the Target
will terminate the command with Check Condition status.
RA (Reserved Area) is set to 1 if the translated block is a reserved area.
ALTS (Alternate Sector) is set to 1 if the translated block is in alternate sector area.
ALTT (Alternate Track) is set to 1 if the translated block is in alternate track area. This bit is not used
by the file.
Translated Address contains the address in the translate format. If it is a logical block address it is con-
tained within the first 4 bytes of the field, i.e. bytes 6 to 9 of the page data. For a physical format it is as
follows.
Byte 7 6 5 4 3 2 1 0
4 Reserved = 0 Supplied Format
5 R A ALTS ALTT Reserved =
0
Translate Format
6 - 13 Translated Address
Byte 7 6 5 4 3 2 1 0
6 - 8 Cylinder Number
9 Head Number
10 - 13 Sector Number or Bytes from Index
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O E M Spec. of DCAS-34330/32160