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Data Transfer
Once an SCT command has been issued, status can be checked and data can be transferred. Data transfer uses
log page E1h.
Read/Write SCT Data Using SMART
Command Block Output Registers
Register
7 6 5 4 3 2 1 0
Feature
D5h(Read)/D6h(Write)
Sector Count
Number of sectors to be
transferred
Sector Number
E1h
Cylinder Low
4Fh
Cylinder High
C2h
Device/Head
-
-
- D -
-
-
-
Command
B0h
Table 54 Input Registers of SCT Data Transfer Using SMART
Read/Write SCT Data Using Read/Write Log Ext
Command Block Output Registers
Register
7 6 5 4 3 2 1 0
Feature
Current
Reserved
Previous
Reserved
Sector Count
Current
01h or 08h
Previous
00h
LBA Low
Current
E1h
Previous
Reserved
LBA Mid
Current
00h
Previous
00h
LBA High
Current
Reserved
Previous
Reserved
Device/Head
-
-
- D -
-
-
-
Command
2Fh(Read)/3Fh(Write)
Table 55 Input Registers of SCT Data Transfer using Read/Write Log Ext
96
Western Digital Ultrastar DC HC310 SATA Product Manual