Hitachi HDS721050CLA362 Specifications page 103

Byte Size
1:0 Word
3:2 Word
5:4 Word
6 Byte
7 Byte
8 Byte
9 Byte
29:10 Byte[20]
31:30 Word
33:32 Word
HITACHI Deskstar & CinemaStar 7K1000.B & Deskstar E7K1000 Hard Disk Drive specification
Field Name Description
Format Data table format version (=0002h)
Version
Sampling Absolute HDA Temperature sampling period
Period in minutes.
0000h indicates sampling is disabled.
Interval Timer interval between entries in the history
queue.
Max Op Limit Maximum recommended continuous
operating temperature. This is a one byte 2's
complement number that allows a range
from -127°C to +127°C to be specified. 80h
is an invalid value. This is a fixed value.
Over Limit Maximum temperature limit. This is a one
byte 2's complement number that allows a
range from -127°C to +127°C to be
specified. 80h is an invalid value. This is a
fixed value.
Min Op Limit Minimum recommended continuous
operating limit. This is a one byte 2's
complement number that allows a range
from -127°C to +127°C to be specified. 80h
is an invalid value. This is a fixed value.
Under Limit Minimum temperature limit. This is a one
byte 2's complement number that allows a
range from -127°C to +127°C to be
specified. 80h is an invalid value. This is a
fixed value.
Reserved
Queue Size Number of entry locations in history queue.
This value is 128.
Queue Index Last updated entry in queue. Queue Index is
zero-based, so Queue Index 0000h is the
first location in the buffer (at offset 34). The
most recent temperature entered in the
buffer is at Queue Index + 34.
See Note 1 and Note 2.
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