NEC Versa TXi Series Service Manual page 84

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Hard Disk Drive
Specifications vary depending upon model:
n
Ultra DMA/66 support
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Capacity — Internal 10 or 20 GB
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Drive height — 9.5 mm
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Revolutions per minute — 4200
24X-speed CD-ROM Drive
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Type — 5-inch CD-ROM Pack
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Average Data Transfer Rates — 1545 KB/second to 3600 KB/second
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Burst Transfer Rate — 16.7 MB/sec, PIO mode4/DMA mode
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Average Access Time
— 190 ms (Random)
— 350 ms (Fullstroke)
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Interface — IDE (ATAPI)
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Photo CD™ Compatibility — Single Session/Multisession Photo CD, Video CD (CD-1,
CD-I Ready, CD-G, CD-Plus, CD-DA, CD-EXTRN, and CD-ROM XA mode 2)
CD Read/Write Drive
n
Speed
— Read, max 20X
— CDRW, max 14X
— Write, 8X (CD-R), 4X (CD-RW)
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Read Transfer Rate
— 150 KB/s, normal speed
— 3000 KB/s, 20X, maximum speed
— 16.6 MB/s, Mode 4 PIO
— 16.6 MB/s, Multi Mode 2 DMA mode (not Ultra DMA)
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Write Transfer Rate
— 150 KB/s, normal speed
— 300 KB/s, 2X speed
— 600 KB/s, 4X speed
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Audio Out — 0.8 +/-0.25 Vrms
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Operating Conditions
— Shock, 1G (11ms)/read, 0.5G (11ms)/write
— Vibration, 0.2G/read, 0.1G/write
7-4 Specifications

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