Samsung 3.5" hard disk drives Computer Hardware User Manual


 
DISK DRIVE OPERATION
SpinPoint V40 Product Manual
60
Table 6-6 IDENTIFY DEVICE information (continued)
Word Content Description
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)