Hard Disk Drive Interface
Item |
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Vendor & | Seagate | Seagate | Seagate | Toshiba | WD |
Model Name | ST9250827AS | ST9320320AS | ST9500325AS | MK3252GSX | WD5000BEVT |
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| ST9160310AS |
| MK2552GSX | WD3200BEVT |
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| MK1652GSX | WD2500BEVT |
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| WD1600BEVT |
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Capacity | 250 | 320, 160 | 500 | 320, 250, 160 | 500, 320, 250, |
(MB) |
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| 160 |
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Bytes per | 512 | 512 | 512 | 512 | 512 |
sector |
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Data heads | 4 | 4, 2 | 4 | 4, 4, 2 | 4, 3, 2, 2 |
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Drive Format |
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Disks | 2 | 2 or 1, 1 | 2 | 2, 2, 1 | 2, 2, 1, 1 |
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Spindle speed | 5400 | 5400 | 5400 | 5400 | 5400 |
(RPM) |
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Performance Specifications |
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Buffer size | 8 MB | 8 MB | 8 MB | 8 MB | 8 MB |
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Interface | SATA | SATA | SATA | SATA | SATA |
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Internal | 778 | 352 | 1,175 | 400 ~ 794 | 106 Mbits/s |
transfer rate |
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| typical | maximum |
(Mbits/sec, |
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max) |
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I/O data | 300 | 150 | 300 | 300 | 300 maximum |
transfer rate |
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(Mbytes/sec |
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max) |
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DC Power Requirements |
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Voltage | 5V ±5% | 5V ±5% | 5V ±5% | 5V ±5% | 5V ±5% |
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22 | Chapter 1 |
