Инструкция LFF (3.5") Серверный HDD WD Ultrastar HC580

10.18.2.2 Data Transfer (стр. 90 из 357)

Бренд: LFF

Страница 90 документа LFF (3.5") Серверный HDD WD Ultrastar HC580. Раздел: Western Digital. Бренд: LFF.

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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