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| Western Digital WD1000BB
IDE Hard Drive Physical Specifications : |
|
| Formatted Capacity | 100,030 MB |
| Interface | 40-pin EIDE |
| Actuator Type | Rotary Voice Coil |
| Number of Platters | 3 |
| Data Surfaces | 6 |
| Number of Heads | 6 |
| Bytes Per Sector | 512 |
| User Sectors Per Drive | 195,371,568 |
| Servo Type | Embedded |
| Recording Method | Rate 16/17 PRML |
| ECC | Reed Solomon |
| Head Park | Automatic |
| Performance Specifications : | |
| Average Seek (Read) | 8.9 ms average |
| Average Seek (Write) | 10.9ms average |
| Track to Track Seek | 2.0 ms average |
| Full Stroke Seek | 21 ms average |
| Index Pulse Period | 8.3 ms (nominal) |
| Average Latency | 4.2 ms (nominal) |
| Rotational Speed | 7200 RPM (nominal) |
| Transfer Rate (Buffer to Host) | 100 MB/s (Mode 5 Ultra ATA) 66.6 MB/s (Mode 4 Ultra ATA) 33.3 MB/s (Mode 2 Ultra ATA) 16.6 MB/s (Mode 4 PIO) 16.6 MB/s (Mode 2 multi-word DMA) |
| Transfer Rate (Buffer to Disk) | 525 Mbits/s maximum |
| Interleave | 1:1 |
| Buffer Size | 2 MB |
| Error Rate (Non-Recoverable) | <1 in 1014 bits read |
| Spindle Start Time - From Power-on to Drive Ready1 |
8.0 s typical, 9s maximum |
| Spindle Start Time - From Power-on to Rotational Speed2 |
6.0 s average |
| Contact Start/Stop Cycles (CSS) | 50,000 minimum |
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