
Marathon 810 (ST9816AG) Product Manual, August 1995 | 25 | |
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The following commands contain
3.2.2Identify Drive command
The Identify Drive command (command code ECH) transfers information about the drive to the host after power up. The data is organized as a single
Word | Description | ST9816AG | |
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| Configuration information: |
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| ∙ Bit 10: disc transfer > 10 Mbits/sec |
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0 | ∙ Bit 6: fixed drive | 045AH | |
∙ Bit 4: head switch time > 15 μsec | |||
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| ∙ Bit 3: not MFM encoded |
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| ∙ Bit 1: |
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1 | Number of fixed cylinders | 0623H | |
(default logical emulation): 1,571 | |||
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2 | ATA reserved | 0000H | |
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3 | Number of heads (default logical emulation): 16 | 0010H | |
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4 | Number of unformatted bytes per track (36,240) | 8D90H | |
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5 | Number of unformatted bytes per sector (584) | 248H | |
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6 | Number of sectors per track | 003FH | |
(default logical emulation): 63 | |||
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ATA reserved | 0000H | ||
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Serial Number: | ASCII | ||
| (20 ASCII characters, 0000H = none) |
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20 | Controller type | 0003H | |
with caching) | |||
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21 | Buffer size (240 sectors of 512 bytes each) | 00F0H | |
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22 | Number of ECC bytes available (16) | 0010H | |
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| Firmware revision (8 ASCII character string): |
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xx = ROM version, ss = RAM version, tt = RAM | xx.ss.tt | ||
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