Specifications
2.1.2 Specifications of drives
Table 2.2 lists the specifications of MCM3064SS, MCM3130SS, MCP3064SS and MCP3130SS optical disk drives.
Table 2.2 Specifications (1 of 2)
[MCM3064SS, MCM3130SS, MCP3064SS and MCP3130SS]
Item |
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| Specifications |
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Optical disk media | 128 MB media | 230 MB media | 540 MB media | 640 MB media | 1.3 GB media (*7) | |
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Storage capacity | Unformatted | 181 MB | 325 MB | 819 MB | 818 MB | 1.688 GB |
(one side) |
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| Formatted | 128 MB | 230 MB | 538 MB | 643 MB | 1.283 GB |
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Capacity per | Unformatted | 18,100 bytes | 18,100 bytes | 19,450 bytes | 43,928 bytes | 45,798 bytes |
track |
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| (logical track | (logical track | (logical track | (logical track |
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| capacity) | capacity) | capacity) | capacity) |
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| Formatted | 12,800 bytes | 12,800 bytes | 12,800 bytes | 34,816 bytes | 34,816 bytes |
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| (logical track | (logical track | (logical track | (logical track |
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| capacity) | capacity) | capacity) | capacity) |
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Capacity per | Unformatted | 725 bytes | 725 bytes | 778 bytes | 2,584 bytes | 2,631 bytes |
sector |
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| Formatted | 512 bytes | 512 bytes | 512 bytes | 2,048 bytes | 2,048 bytes |
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Number of user tracks/side (*1) | 10,000 | 17,940 | 42,042 | 18,480 | 36,855 | |
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Number of alternate sectors/side | ≤ 1,024 | ≤ 1,025 | ≤ 2,250 | ≤ 2,244 | ≤ 4,437 | |
Number of sectors/track | 25 | 25 | 25 | 17 | 17 | |
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Data transfer rate |
| 1.65 MB/s | 2.00 to 3.16 MB/s | 3.54 to 5.94 MB/s | 3.52 to 5.87 MB/s | 3.92 to 6.70 MB/s |
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| (maximum) | (maximum) | (maximum) | (maximum) | (maximum) |
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| 0.39 MB/s | 0.47 to 0.75 MB/s | 0.78 to 1.30 MB/s | 0.93 to 1.55 MB/s | 0.99 to 1.70 MB/s |
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| continuous writing | continuous writing | continuous writing | continuous writing | continuous writing |
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| (execution) | (execution) | (execution) | (execution) | (execution) |
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| 1.16 MB/s | 1.40 to 2.23 MB/s | 2.33 to 3.91 MB/s | 2.79 to 4.66 MB/s | 2.98 to 5.09 MB/s |
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| continuous reading | continuous reading | continuous reading | continuous | continuous reading |
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| (execution) | (execution) | (execution) | reading | (execution) |
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| (execution) |
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Average seek time (*2) | 23 ms (typ) |
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Average latency |
| 5.5 ms |
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| 8.2 ms |
Rotational speed |
| 5,455 rpm ±0.1% |
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| 3,637 rpm ±0.1% |
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Heads |
| Positioner + Separated optical components |
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Positioner type |
| 1 (Linear voice coil motor) |
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Servo tracking method | ISO continuous servo method |
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Recording density | 24,424 bpi | 29,308 bpi | 52,900 bpi |
| 89,100 bpi | |
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| (1.04µm/bit) | (0.87µm/bit) | (0.48µm/bit) |
| (0.285µm/bit) |
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| 15,875 TPI | 18,275 TPI | 23,090 TPI |
| 28,200 TPI |
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Loading time (*3) | 8 sec. (typ) |
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| 12 sec. (typ) | |
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Unloading time (*4) | 4 sec. (typ) |
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Load/unload life |
| 20,000 |
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Host interface |
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Data transfer rate (*5) | Synchronous mode: | 20 MB/s (max.) |
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| Asynchronous mode: 5 MB/s (max.) |
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