NEC VERSA LX Manual page 179

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Data transfer rate
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Media data rates — 88.0 bit/sec – 118.0 bit/sec
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Mean Time Between Errors (MTBF) — 300,000 hours
24X-speed CD-ROM Drive
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Type — 5-inch CD-ROM Pack
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Average Data Transfer Rates
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Read Rate — 3600 KB/sec max, 2550 KB/sec avg
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Burst Transfer Rate — 16.7 MB/sec, PIO mode4/DMA mode
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Average Access Time
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Memory Buffer — 128 KB
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Interface — IDE (ATAPI)
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Photo CD Compatibility — Multisession Photo CD,
Video CD (CD-1, CD-I Ready, CD-G, CD-Plus, CD-DA,
CD-EXTRN, and CD-ROM XA)
Power
AC Adapter
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Input Voltage — 100 to 240 volts (V) AC, 50 or 60 Hz, 1.5 A
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Output Voltage — 15.0 V DC, 60 Watt
B-6 Specifications
16.6 MB/sec (PIO mode4/DMA mode2)
33.3 MB/sec (ultra DMA)
2550 KB/second (mode 1)
2907 KB/ second (mode2)
120 ms (Random)
250 ms (Fullstroke)