A |
BYTE OFFSET | VALUE | COMMENTS |
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| Mode Select Header |
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0 | 00 | Reserved |
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1 | 00 | Media type |
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2 | 00 | Reserved |
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3 | 08 | Block descriptor length |
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| Block Descriptor |
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0 | 00 | Reserved |
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1 | 00 | Number of blocks (MSB) |
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2 | 00 | Number of blocks |
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3 | 00 | Number of blocks (LSB) |
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4 | 00 | Reserved |
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5 | 00 | Block length (MSB) |
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6 | (Note) | Block length |
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7 | (Note) | Block length (LSB) |
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NOTE: | The block length is taken from the attach packet, | |
| byte offset $1C, bytes per block. | |
The remaining 24 bytes that are transferred during the DATA OUT phase for the mode select command are the page 3 parameters.
Mode Select Parameter List: Page 3 Parameters for Winchester drives
| BYTE OFFSET | VALUE | COMMENTS | |
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0 | 3 | Page code | ||
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1 | 16 | Page length | ||
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2 | (Note 1) | Tracks per zone (MSB) | ||
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3 | (Note 1) | Tracks per zone (LSB) | ||
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4 | (Note 2) | Alternate sectors per zone (MSB) | ||
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5 | (Note 2) | Alternate sectors per zone (LSB) | ||
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6 | (Note 3) | Alternate tracks per zone (MSB) | ||
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7 | (Note 3) | Alternate tracks per zone (LSB) | ||
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