360014937
WORD 85: Features / Command sets enable
bit 15 | Reserved |
bit 14 | NOP command supported |
bit 13 | READ BUFFER command supported |
bit 12 | WRITE BUFFER command supported |
bit 11 | WRITE VERIFY command supported |
bit 10 | Host Protected Area feature set supported |
bit 9 | DEVICE RESET command supported |
bit 8 | SERVICE interrupt enabled |
bit 7 | Release Interrupt enabled |
bit 6 | Look Ahead enabled |
bit 5 | Write Cache enabled |
bit 4 | PACKET feature set supported |
bit 3 | The Power Management feature set is enabled |
bit 2 | The Removable feature set is supported |
bit 1 | The security feature set is enabled |
bit 0 | The SMART feature set is enabled |
The default value for this WORD is 7C68h | |
WORD 86: Features / Command sets enabled | |
bit | Reserved |
bit 8 | 1=SET MAX security extension enabled by SET MAX SET PASSWORD |
bit 7 | Reserved |
bit 6 | 1=SET FEATURES subcommand required to |
bit 5 | |
bit 4 | Removable Media Status Notification feature set enabled |
bit 3 | Advanced power Management feature set enabled |
bit 2 | CFA feature set supported |
bit 1 | WRITE / READ DMA QUEUED command supported |
bit 0 | DOWNLOAD MICROCODE supported |
The default value for this WORD is 0008h.
WORD 87: Features / Command sets enabled
bit 15 | 0 | (Fixed) |
bit 14 | 1 | (Fixed) |
bit | Reserved | |
The value for this WORD is 4000h.
WORD 88: Mode information for Ultra DMA
The active mode reflects the command change. .
bit | Active transfer mode | |
bit 12 | 1=Mode 4 is active | |
bit 11 | 1=Mode 3 is active | |
bit 10 | 1=Mode 2 is active | |
bit | 9 | 1=Mode 1 is active |
bit | 8 | 1=Mode 0 is active |
bit | Supported mode | |
bit | 4 | 1=Mode 4 is supported |
bit | 3 | 1=Mode 3 is supported |
bit | 2 | 1=Mode 2 is supported |
bit | 1 | 1=Mode 1 is supported |
bit | 0 | 1=Mode 0 is supported |
The default value for this WORD is 001Fh
