Текст страницы
Flush Cache Ext (EAh)
Command Block Output Registers
Command Block Input Registers
Register
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Data Low
-
-
-
-
-
-
-
-
Data Low
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-
-
-
-
-
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-
Data High
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-
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Data High
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-
-
-
-
-
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Current
-
-
-
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Feature
Error
…See Below…
Previous
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-
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Current
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-
-
-
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-
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-
HOB=0
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-
-
-
-
-
-
-
Sector Count
Sector Count
Previous
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-
-
-
-
-
-
HOB=1
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-
-
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-
-
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Current
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HOB=0
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-
Sector Number
Sector Number
Previous
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HOB=1
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Current
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HOB=0
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Cylinder Low
Cylinder Low
Previous
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HOB=1
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Current
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HOB=0
-
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-
Cylinder High
Cylinder High
Previous
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HOB=1
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-
Device/Head
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- D -
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Device/Head
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-
Command
1 1 1 0 1 0 1 0
Status
…See Below…
Error Register
Status Register
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
CRC
UNC
0
IDN
0
ABT
T0N
AMN
BSY
RDY
DF
DSC DRQ COR
IDX
ERR
0
0
0
0
0
V
0
0
0
V
0
V
-
0
-
V
Table 109 Flush Cache Ext Command (EAh)
This command causes the device to complete writing data from its cache.
The device returns good status after data in the write cache is written to disk media.
152
Western Digital Ultrastar DC HC310 SATA Product Manual