11.45 Write Buffer (E8h)
see belowStatus1 1 1 0 1 0 0 0Command
- - - - - - - -
Device/Head
1 - 1 D - - - -
Device/Head
- - - - - - - -
Cylinder High
- - - - - - - -
Cylinder High
- - - - - - - -
Cylinder Low
- - - - - - - -
Cylinder Low
- - - - - - - -
Sector Number
- - - - - - - -
Sector Number
- - - - - - - -
Sector Count
- - - - - - - -
Sector Count
see belowError
- - - - - - - -
Feature
- - - - - - - -
Data
- - - - - - - -
Data
7 6 5 4 3 2 1 0Register7 6 5 4 3 2 1 0Register
Command Block Input RegistersCommand Block Output Registers
V-0--0V000V00000
ERRIDXCORDRQDSCDFRDYBSYAMNT0NABT0IDN0UNCCRC
0123456701234567
Status RegisterError Register
Figure 172. Write Buffer Command (E8h)
The Write Buffer command transfers a sector of data from the host to the sector buffer of the device. The
sectors of data are transferred through the Data Register 16 bits at a time.
The Read Buffer and Write Buffer commands are synchronized so that sequential Write Buffer and Read
Buffer commands access the same 512 bytes within the buffer.
Deskstar 180GXP hard disk drive specifications
208
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