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5-70 C141-E203-01EN
Table 5.23 DEVICE CONFIGURATION IDENTIFY data structure
Word Value Content
0 X'0001' Data structure revision
1 X'0007' Multiword DMA modes supported
Reflected in IDENTIFY information "WORD63".
Bit 15-3: Reserved
Bit 2: 1 = Multiword DMA mode 2 and below are supported
Bit 1: 1 = Multiword DMA mode 1 and below are supported
Bit 0: 1 = Multiword DMA mode 0 is supported
2 X'003F' Ultra DMA modes supported
Reflected in IDENTIFY information "WORD88".
Bit 15-6: Reserved
Bit 5: 1 = Ultra DMA mode 5 and below are supported
Bit 4: 1 = Ultra DMA mode 4 and below are supported
Bit 3: 1 = Ultra DMA mode 3 and below are supported
Bit 2: 1 = Ultra DMA mode 2 and below are supported
Bit 1: 1 = Ultra DMA mode 1 and below are supported
Bit 0: 1 = Ultra DMA mode 0 is supported
3 to 6 - Maximum LBA address Reflected in IDENTIFY information
"WORD60-61". (WORD100-103) *
7 X'00CF'
(X'01CF') *
Command set/feature set supported
Reflected in IDENTIFY information "WORD82-87".
Bit 15-9: Reserved
Bit 8: 1 = 48-bit Addressing feature set supported
Bit 7: 1 = Host Protected Area feature set supported
Bit 6: 1 = Automatic acoustic management supported
Bit 5: 1 = READ/WRITE DMA QUEUED commands supported
Bit 4: 1 = Power-up in Standby feature set supported
Bit 3: 1 = Security feature set supported
Bit 2: 1 = SMART error log supported
Bit 1: 1 = SMART self-test supported
Bit 0: 1 = SMART feature set supported
8 X ' 0005 ' Serial-ATA command set/function
→ Reflected in IDENTIFY information ”Word 76 to 79.
Bit15-4: Reserved
Bit3: 1 = Asynchronous Notification supported
Bit2: 1 = Interface power management supported
Bit1: 1 = Non-zero buffer offsets in DMA Setup FIS supported
Bit0: 1 = Native command queuing supported
9 X ' 0000 ' Reserved for Serial-ATA
10 to 254 X'0000' Reserved
255 X'xxA5' Bit 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.)
Bit 7 - 0: