Table 54 Input Registers Of Sct Data Transfer Using Smart; Table 55 Input Registers Of Sct Data Transfer Using Read/Write Log Ext - Western Digital Ultrastar DC HC310 Specifications

9.18.2.2 Data Transfer
Once an SCT command has been issued, status can be checked and data can be transferred. Data transfer uses log
page E1h.
9.18.2.2.1 Read/Write SCT Data Using SMART
Command Block Output Registers
Register
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command

Table 54 Input Registers of SCT Data Transfer Using SMART

9.18.2.2.2 Read/Write SCT Data Using Read/Write Log Ext
Command Block Output Registers
Register
Feature Current
Previous
Sector Count Current
Previous
LBA Low Current
Previous
LBA Mid Current
Previous
LBA High Current
Previous
Device/Head
Command

Table 55 Input Registers of SCT Data Transfer using Read/Write Log Ext

7 6 5 4 3 2 1 0
D5h(Read)/D6h(Write)
Number of sectors to be
transferred
E1h
4Fh
C2h
- - - D - - -
B0h
7 6 5 4 3 2 1 0
Reserved
Reserved
01h or 08h
00h
E1h
Reserved
00h
00h
Reserved
Reserved
- - - D - - -
2Fh(Read)/3Fh(Write)
Western Digital Hard Disk Drive OEM Specification
-
-
81