4.5 ATA Commands
C156-E227-01EN 4-27
Table 4.19 Device parameter information (3/5)
Word Value Bits Description
72 03E8h (1000) Required time after the SERVICE command is received until
BSY is cleared (µs) (Typical)
73-79 0000h Reserved
80 0010h Major Version number (ATA/ATAPI-5)
81 0000h Minor Version number (ATA/ATAPI-5 T13 1321D revision 1)
82 4278h Command set supported
(A value of less than 1 indicates that the command is
supported.)
15 IDENTIFY DEVICE DMA command (0b)
14 NOP command (1b)
13 READ BUFFER command (0b)
12 WRITE BUFFER command (0b)
11 WRITE VERIFY command (0b)
10 Host protect area function (0b)
9 DEVICE RESET command (1b)
8 SERVICE command interrupt (0b)
7 Interrupt at release (0b)
6 Read ahead cache (1b)
5 Write cache (1b)
4 Packet command function (1b)
3 Power management function (1b)
2 Removable media function (0b)
1 Security mode (0b)
0 SMART function (0b)
83 4000h Command set supported
(A value of less than 1 indicates that the command is
supported.)
15 0b.
14 1b
13-1 Reserved
0 DOWNLOAD MICROCODE command supported (0b)
84 4000h Command set supported
15 0b