5.3 Host Commands
Table 5.33 DEVICE CONFIGURATION IDENTIFY data structure (2/2)
Word | Value |
| Content |
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|
| |
8 | X'0015' | ||
|
| → Reflected in IDENTIFY information ”Word 76 to 79. | |
|
| Bits | Reserved |
|
| Bit 4: | 1 = Software Settings Preservation supported |
|
| Bit 3: | 1 = Asynchronous Notification supported |
|
| Bit 2: | 1 = Interface power management supported |
|
| Bit 1: | 1 = |
|
| Bit 0: | 1 = Native command queuing supported |
|
|
| |
9 | X'0000' | Reserved for | |
10 to 20 | X'0000' | Reserved |
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|
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|
|
21 | X'2000' | Bits | Reserved |
|
| Bit 13: | Write uncorrectable is allowed |
|
| Bit | Reserved |
22 to 254 | X'0000' | Reserved |
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|
255 | X'xxA5' | Bits | Check sum code (This is obtained by calculating the sum of |
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| all upper bytes and lower bytes in WORD 0 to 256 and the |
|
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| 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 |
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|