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10.18.2.2 Data Transfer
Once an SCT command has been issued, status can be checked, and data can be transferred. Data transfer uses
log page E1h.
10.18.2.2.1 Read/Write SCT Data Using SMART
Table 47 Input Registers of SCT Data Transfer 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
10.18.2.2.2
Read/Write SCT Data Using Read/Write Log Ext
Table 48 Input Registers of SCT Data Transfer using Read/Write Log Ext
Command Block Output Registers
Register
7 6 5 4 3 2 1 0
Current
Reserved
Feature
Previous
Reserved
Current
01h or 08h
Sector Count
Previous
00h
Current
E1h
LBA Low
Previous
Reserved
Current
00h
LBA Mid
Previous
00h
Current
Reserved
LBA High
Previous
Reserved
Device/Head
-
-
-
D -
-
-
-
Command
2Fh(Read)/3Fh(Write)
90
Hard Disk Drive Specification