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Kenwood 72X TrueX™ CD-ROM Drive


Technical Specifications for UCR 421

Drive Specifications

Drive Interface

Disc Loading
- Motorized Tray

Disc Readable Formats
- CD-ROM Mode 1 and Mode 2
- CD-R
- CD-Extra
- CD-DA Audio
- Photo CD (Single- and Multi-Session)
- Video CD

Disc Diameter
- 8cm and 12cm

Optical Beam Reader
- Kenwood 7-Beam Pickup

Data Transfer Rate
- 6,750 to 10,800 KB/sec. (typical*)

Burst Data Transfer Rate
- 16.6 MB/sec. (PIO Mode 4 and
DMA Mode 2)
- 33 MB/sec. (Ultra DMA)

Access Time (1/3 Stroke)
- Less than 100ms (typical)

Within 7 Track Band
- 5ms

Data Buffer
- 2,048KB

Eject Button
- Motorized Eject Button
- Emergency Hole

- Access LED

Headphone Jack
- 3.5mm Stereo Mini-Jack

Volume Control
- Wheel Knob

Interface Connector
- 40-pin EIDE Header

CD-Audio Analog Out
- Supported

EIDE Settings
- Master, Slave, CSEL Jumper Settable

General Specifications

Installation Orientation
- Horizontal or Vertical (Using Locking Tabs)

Dimensions (W/H/D)
- 14.9 x 4.3 x 20cm (5.9 x 1.7 x 7.9in)

- 2.05lbs (.93kg)

Power Supply
- DC +5V at Normal 1.2A (Peak 1.5A)
- DC +12V at Normal 0.5A (Peak 1.5A)



- 50,000POH at 25% duty cycle

- 1 year


System Requirements

- Intel's 440LX chipset or better (or equivalent) is recommended for best results

- 233 MHz Pentium® with MMX or higher (or equivalent)

- 32 MB RAM

- PCI Bus Master Controller

- PCI Bus Master EIDE Drivers for Windows 95/NT®

- Windows® 95 OSR2 or Windows® 98

*Measured with WinBench '99

© Copyright 1999 Kenwood Technologies (USA), Inc.

Kenwood Technologies (USA) is a wholly owned subsidiary of Kenwood Americas Corporation. Zen Research, the Powered by Zen logo, and TrueX are trademarks or registered trademarks of Zen Research NV and its affiliates. All other trademarks or registered trademarks are the property of their respective owners. Specifications subject to change without notice.


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