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ATA Bus Interface and ATA Commands
5-12 Quickview 300 80/100/120/160/200/250/300GB PATA
85 7: 1 = release interrupt enabled
6: 1 = look-ahead enabled
5: 1 = write cache enabled
4: Shall be cleared to zero to indicate that the PACKET Command feature set is
not supported.
3: 1 = Power Management feature set enabled
2: 1 = Removable Media feature set enabled
1: 1 = Security Mode feature set enabled
0: 1 = SMART feature set enabled
86 Command set/feature enabled.
15-14: Reserved
13: 1 = FLUSH CACHE EXT command supported
12: 1 = FLUSH CACHE command supported
11: 1 = Device Configuration Overlay supported
10: 1 = 48-bit Address features set supported
9: 1 = Automatic Acoustic Management feature set enabled
8: 1 = SET MAX security extension enabled by SET MAX SET PASSWORD
7: See Address Offset Reserved Area Boot, INCITS TR27:2001
6: 1 = SET FEATURES subcommand required to spin-up after power-up
5: 1 = Power-Up In Standby feature set enabled
4: 1 = Removable Media Status Notification feature set enabled
3: 1 = Advanced Power Management feature set enabled
2: 1 = CFA feature set enabled
1: 1 = READ/WRITE DMA QUEUED command supported
0: 1 = DOWNLOAD MICROCODE command supported
87 Command set/feature default.
15: Shall be cleared to zero
14: Shall be set to one
13-8: Reserved
7: 1 = WRITE DMA QUEUED FUA EXT command supported
Table 5-2 Identify Drive Command Parameters
Word CONTENT DESCRIPTION