K6610170
Rev.2
Dec 22, 2004
- 56 -
Table 7.5 DEVICE CONFIGURATION IDENTIFY Data Structure
Word Description Value
(HEX.)
0
Data Structure Revision
0002h
1
Multiword DMA modes supported
bit 15 - 3 0 = 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
0007h
2
Ultra DMA modes supported
bit 15 - 6 0 = 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
003Fh
3 - 6
Maximum LBA Address
This is the highest address accepted by the device in the factory
default condition. If no DEVICE CONFIGURATION SET command has
been executed modifying the factory default condition
30GB:
037E 3E3Fh
20GB:
0254 297Fh
7
Command Set / Feature Set Supported
bit 15 - 9 0 = Reserved
bit 14
0 = Reserved
bit 13
0 = Reserved
bit 12
1 = SMART selective self-test supported
bit 11
1 = Forced Unit Access feature set supported
bit 10
0 = Reserved
bit 9
0 = Reserved
bit 8
1 = 48-bit Addressing feature set supported
bit 7
1 = Host Protected Area feature set supported
bit 6
0 = Reserved
bit 5
0 = Reserved
bit 4
0 = Reserved
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
198Fh
8 - 254 Reserved
0000h
255 Integrity
word
bit 15 - 8 Checksum
The checksum is the two’s complement of the sum of all byte in
words 0 through 254 and the byte consisting of bits 7:0 of word 255.
Each byte is added with unsigned arithmetic, and overflow is
ignored.
bit 7 - 0 Signature Code “A5h”
xxA5h