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5-88 C141-E262
Table 5.32 DEVICE CONFIGURATION IDENTIFY data structure (2/2)
Word Value Content
8 X '0015' Serial-ATA command set/function
→ Reflected in IDENTIFY information "Word 76 to 79".
Bits 15-5: Reserved
Bit 4: 1 = Software Settings Preservation supported
Bit 3: 1 = Asynchronous Notification supported
Bit 2: 1 = Interface power management supported
Bit 1: 1 = Non-zero buffer offsets in DMA Setup FIS
supported
Bit 0: 1 = Native command queuing supported
9 X '0000' Reserved for Serial-ATA
10 to 20 X '0000' Reserved
21 X '2000'
(X '2800' *1)
Bits 15-14: Reserved
Bit 13: Write uncorrectable is supported.
Bit 12: Reserved
Bit 11: Freefall Control feature set is supported. *1
Bit 10-0: Reserved
22 to 254 X '0000' Reserved
255 X 'xxA5' Bits 15-8: Check sum code (This is obtained by calculating the
sum of all upper bytes and lower bytes in WORD 0 to
256 and the byte consisting of bits 7 to 0 in WORD
255, and then calculating the two's complement of the
lowest byte of that sum.)
Bits 7-0:
*1: Optional