Справочник Пользователя для Quantum Audio STT2401A

Chapter 5

ATAPI Interface

Page 102

Seagate Travan 40 Product Manual

Word(s)

Starting Offset

(hex)

Description of Contents

Value (hex)

Command and feature sets enabled.
If words 82 and 83=0000h or FFFFh, then command set notification is not enabled.
15 1=IDENTIFY DEVICE DMA command is enabled
14 1=NOP command is enabled
13 1=READ BUFFER command is enabled
12 1=WRITE BUFFER command is enabled
11 1=WRITE VERIFY command is enabled
10 1=Host Protected Area feature set is enabled
9 1=DEVICE RESET command is enabled
8 1=SERVICE interrupt is enabled
7 1=release interrupt is enabled
6 1=look-ahead is enabled
5 1=write cache is enabled
4 1=PACKET command feature set is enabled
3 1=Power management feature set is enabled
2 1=Removable Media feature set is enabled
1 1=Security Mode feature set is enabled
0 1=SMART feature set is enabled

4278

Command sets supported.
If words 82 and 83=0000h or FFFFh, then command set notification is not supported.
15 shall be cleared to 0
14 shall be set to one
13-3 reserved
2 1=Compact Flash feature set is enabled
1 1=Read/Write DMA QUEUED command is enabled
0 1=DOWNLOAD MICROCODE command is enabled

0000

Command set/feature enabled default.
If words 82, 83, and 84 = 0000h or FFFFh, then command set notification extension
is not supported.
15 shall be cleared to 0
14 shall be set to one
13-0 reserved

4000

Supported and selected UltraDMA modes
(not supported)
15-11 reserved
10 1=UltraDMA mode 2 is selected
9 1=UltraDMA mode 1 is selected
8 1=UltraDMA mode 0 is selected
7-3 reserved
2 1=UltraDMA mode 2 and below are supported
1 1=UltraDMA mode 1 and below are supported
0 1=UltraDMA mode 0 is supported

0000

Time required for Security erase unit completion
(not supported)

0000

Time required for Enhanced security erase unit completion
(not supported)

0000

Current advanced power management value

0000

Master Password Revision Code

0000