Product manual

ATA Bus Interface and ATA Commands
DiamondMax Plus8 20/30/40GB AT 5-9
81 Minor version number
0000h or FFFFh = device does not report version.
0001h-FFFEh = see 6.16.41 of ATA/ATAPI-7 specification
82 Command set supported.
15: Obsolete
14: 1 = NOP command supported
13: 1 = READ BUFFER command supported
12: 1 = WRITE BUFFER command supported
11: Obsolete
10: 1 = Host Protected Area feature set supported
9: 1 = DEVICE RESET command supported
8: 1 = SERVICE interrupt supported
7: 1 = release interrupt supported
6: 1 = look-ahead supported
5: 1 = write cache supported
4: Shall be cleared to zero to indicate that the PACKET Command feature set is
not supported
3: 1 = mandatory Power Management feature set supported
2: 1 = Removable Media feature set supported
1: 1 = Security Mode feature set supported
0: 1 = SMART feature set supported
83 Command sets supported.
15: Shall be cleared to zero
14: Shall be set to on
13: 1 = FLUSH CACHE EXT command supported
12: 1 = mandatory FLUSH CACHE command supported
11: 1 = Device Configuration Overlay feature set supported
10: 1 = 48-bit Address feature set supported
9: 1 = Automatic Acoustic Management feature set supported
8: 1 = SET MAX security extension supported
Table 5-2 Identify Drive Command Parameters
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