Wireless Module 802.11b/g
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Chipset |
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| BCM4312 |
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Data throughput |
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| 54Mbps |
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Protocol |
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| 802.11b/g |
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Interface |
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Hard Disk Drive Interface |
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Item |
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| Specification |
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Vendor & | Segate | Segate |
| Toshiba | Toshiba | Hitachi |
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Model | ST9250827AS | ST9160310AS |
| MK1246GSX | MK1652GSX |
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Name |
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Capacity | 250 | 160 |
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| 120 | 160 | 320, 250 |
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(MB) |
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Bytes per | 512 | 512 |
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| 512 | 512 | 512 |
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sector |
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Data heads | 4 | 2 |
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| 2 | 2 | 4, 4 or 3 |
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Drive Format |
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Disks | 2 | 1 |
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| 1 | 1 | 2, 2 |
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Spindle | 5400 | 5400 |
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| 5400 | 5400 | 5400 |
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speed |
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(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 |
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| 370 ~ 730 | 400 ~ 794 | 674 ~ 775 |
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transfer |
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| typical | typical |
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rate (Mbits/ |
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sec, max) |
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I/O data | 300 | 150 |
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| 300 | 300 | 1.5 / 3.0 |
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transfer |
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rate |
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(Mbytes/ |
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sec 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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tolerance |
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20 | Chapter 1 |