Samsung 3.5" hard disk drives Manuel D’Utilisation
DISK DRIVE OPERATION
SpinPoint V40 Product Manual
60
Table 6-6 IDENTIFY DEVICE information (continued)
Word Content
Description
Command set supported.
Command set supported.
15 (=0)
Reserved
14
(=1) NOP command supported
13
(=1) READ BUFFER command supported
12
(=1) WRITE BUFFER command supported
11 (=0)
Reserved
10
(=1) Host Protected Area feature set supported
9
(=0) DEVICE RESET command supported
8
(=0) SERVICE interrupt supported
7
(=0) release interrupt supported
6
(=1) look-ahead supported
5
(=1) write cache supported
4
(=0) supports PACKET Command feature set
3
(=1) supports Power Management feature set
2
(=0) supports Removable Media feature set
1
(=0) supports Security Mode feature set
82 7469h
0
(=1) supports SMART feature set
Command sets supported.
15-14
(=01) Word 83 is valid
13-5 (=0)
Reserved
4
(=0) Removable Media Status Notification feature set supported
3
(=0) Advanced Power Management feature set supported
2
(=0) CFA feature set supported
1
(=0) READ/WRITE DMA QUEUED supported
83 4000h
0
(=0) DOWNLOAD MICROCODE command supported
Command set/feature supported extension.
15-14
(=01) Word 84 is valid
84 4000h
13-0 (=0)
Reserved
Command set/feature enabled. (The default manufacturing setting is as below)
15 (=0)
Reserved
14
(=1) NOP command enabled
13
(=1) READ BUFFER command enabled
12
(=1) WRITE BUFFER command enabled
11 (=0)
Reserved
10
(=1) Host Protected Area feature set enabled
9
(=0) DEVICE RESET command enabled
8
(=0) SERVICE interrupt enabled
7
(=0) Release interrupt enabled
6
(=1) Look-ahead enabled
5
(=1) Write cache enabled
4
(=0) PACKET Command feature set enabled
3
(=1) Power Management feature set enabled
2
(=0) Removable Media feature set enabled
1
(=0) Security Mode feature set enabled
85 7468h
0
(=0) SMART feature set enabled
(continued)