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CDU948S
CD-R Drive Unit
User's Guide
©1997 by Sony Corporation
Printed in Japan
CDU948S
CD-R Drive Unit
User's Guide
3-862-158-13(1)

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Table of Contents

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   Summary of Contents for Sony CDU948S

  • Page 1 3-862-158-13(1) CDU948S CD-R Drive Unit CDU948S CD-R Drive Unit User’s Guide User’s Guide ©1997 by Sony Corporation Printed in Japan...
  • Page 2: Safety Regulations

    Owner’s Record The model and serial numbers are located on the bottom of the drive. Record these numbers in the spaces provided below. Refer to them whenever you call upon your sales representative regarding this product. Model No. Serial No. Safety Regulations WARNING To prevent fire or shock hazard, do not expose the unit to rain or moisture.
  • Page 3 This unit uses CD-R discs with the following mark. This unit uses CD-ROM discs with the following mark. When you use this unit as a CD player, use compact discs with the following mark. WARNING — For the customers in U.S.A. You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment.
  • Page 4: Table Of Contents

    Contents Introduction Location and Function of Parts and Controls Front Panel ..................6 Rear Panel ..................7 Precautions Example of System Setup Installing the Drive Unit into the Computer Getting Started ................. 10 Setting the Jumpers ................10 Opening the Computer ..............12 Connecting the Drive ................
  • Page 5: Introduction

    Introduction The CDU948S is a drive unit for CD-R discs, which stores a maximum of 650 Mbytes of digital data. The drive unit has the following features: • Reads and writes data in each CD-ROM, CD-ROM XA and Multi-Session standard formats. •...
  • Page 6: Location And Function Of Parts And Controls

    Location and Function of Parts and Controls Front Panel CD Caddy CD Caddy 1 Caddy insertion slot Accepts a caddy loaded with a CD-ROM or CD-R disc. 2 Emergency eject hole Insert a fine rod into this hole to eject a caddy manually in emergencies.
  • Page 7: Rear Panel

    Rear Panel 1 Jumper block for SCSI bus Specify assignment of the SCSI bus. 2 Terminators The terminator resistors are inserted into the sockets. Remove the resistors when the SCSI bus is to be terminated externally. Note: Some models are shipped without terminators. When installing the terminators, orient them so that the GND pin (the end marked with a dot) is toward the right side of the socket.
  • Page 8: Precautions

    Precautions Installation • Avoid placing the drive in a location subject to: – high humidity – high temperature – excessive dust – mechanical vibration – direct sunlight. We recommend to use the drive in a horizontal position. Do not use it in a tilted position.
  • Page 9: Example Of System Setup

    Example of System Setup To use the CD-R device, the following components are required: • Computer (IBM-PC/AT* compatible) • SCSI-Host adapter • SCSI-Interface cable (50 to 50 pin flat cable) • Software (Device driver, utilities) * IBM-PC/AT is a registered trademark of International Business Machines Corporation.
  • Page 10: Installing The Drive Unit Into The Computer

    Installing the Drive Unit into the Computer As you go through this section, you may wish to refer to your computer’s manual for a more detailed description of how to install internal drives. Getting Started • Prepare the necessary parts and tools that have not been supplied: –...
  • Page 11 Remove the jumper to set to OFF, and install the jumper to set to ON. The recommended jumper is AMP* Shunts (14227-1), JAE** Short Socket (PS-2SH4-1) or equivalent. The following table shows the function of each jumper. Jumper Function DEVICE The setting of this jumper determines whether the TYPE SCSI device type code in the inquiry data is WO...
  • Page 12: Opening The Computer

    Opening the Computer If your computer has its rear side covered by a plastic panel attached with plastic hook pad, pull it off. Remove the cover mounting screws. Remove the cover of the computer. Installing the Drive Unit into the Computer...
  • Page 13: Connecting The Drive

    Connecting the Drive Attach one end of the flat cable (SCSI cable) to the connector on the rear of the CD-R drive. Note: The red edge of the flat cable should be positioned next to the power supply connector. It is important that this cable be connected firmly and correctly.
  • Page 14: Mounting The Drive

    Audio output connector The audio output connector recommended is Molex 5159PBT contacts and 5051-04 housing or 5103 PBT contacts and 5102-04 housing. Pin assignment Mounting the Drive Route the flat cable through the drive bay from the front of the computer and insert the CD-R drive into the bay as shown.
  • Page 15 Locate an available power supply cable inside your computer and connect it to the power supply connector on the rear of the CD-R drive as shown. Caution: Improper connection may damage the drive and void the warranty. Frame ground When normally installed, the drive unit is not in contact with the host computer directly and should be grounded.
  • Page 16: Host Adapter Installation

    • The red edge of the flat cable must be closest to pin number 1 of the interface card connector. • The following illustration is a sample system configuration of the Sony CDU948S CD-R drive installation with a SCSI card. Installing the Drive Unit into the Computer...
  • Page 17: Closing The Computer

    Termination • If the CD-R drive is connected at the end of the SCSI chain, keep the drive terminator mounted at the drive. • If the CD-R drive isn’t the last device at the SCSI bus, remove the termination from the CD-R drive and make sure that the last device at the SCSI bus has a proper termination installed.
  • Page 18: Installing The Software Driver

    Installing the Software Driver MSCDEX and the device driver for an ordinary SCSI CD-ROM drive can be used when using the CDU948S as a SCSI CD-ROM drive. Use the device driver for a CD-R drive when using the CDU948S as a recordable drive.
  • Page 19: Using Discs And Caddies

    Using Discs and Caddies Loading a Caddy with a Disc To open the caddy lid, press the tabs on the both sides of the caddy at the end opposite to the shutter. Set a disc, with its label upward, in the caddy. Be careful not to touch the recording surface when setting a CD- R disc in the caddy.
  • Page 20 Close the lid firmly. Important: • Do not drop the disc or the caddy. • The caddy is designed so that its shutter automatically opens when it is inserted into the drive unit. Do not open the shutter manually and touch the disc. •...
  • Page 21: Storing Discs And Caddies

    Storing Discs and Caddies • Remove the caddy from the drive unit before moving the drive. • Do not store the disc and caddy in a location subject to: – high humidity – high temperature – excessive dust – direct sunlight Care of Discs •...
  • Page 22: Operating The Drive

    Operating the Drive Make sure that the application software is installed in the host computer before using the drive. Starting Up Turn on the power supply. Insert the caddy into the drive slot with the disc’s label facing up, and push it partially into the drive until the automatic loading mechanism pulls the caddy in.
  • Page 23: Ejecting A Caddy

    In such a case, eject the caddy and re-insert it properly. If the busy indicator remains lit amber, consult your dealer or qualified service personnel. The busy indicator also lights amber during audio play. However, this is not a malfunction. Ejecting a Caddy Turn on the power supply.
  • Page 24 Ejecting a caddy manually in an emergency In the event of electrical or mechanical failure of the drive unit, a manual emergency eject is provided to allow removal of the caddy from the drive unit. Turn off the power of your computer. Insert a pointed object, such as a paper clip, into the emergency eject hole, and push with hand.
  • Page 25: Specifications

    Specifications General Host interface SCSI-2, single ended, 50 pin Read Function Acceptable discs: CD-ROM mode-1 data discs CD-ROM XA discs CD-Audio discs Audio-combined CD-ROM discs CD-I discs CD-I Ready Discs Photo CD (Single and Multi session) Video CD CD-R discs (Conforming to “Orange Book Part II”) Write Function Applied Format:...
  • Page 26 Drive performance Data transfer rate Sustained rate: 150 kbytes/s (1x) 300 kbytes/s (2x) 600 kbytes/s (4x) 1200 kbytes/s (8x) SCSI Interface Burst rate: 5 Mbytes/s (asynchronous) 10 Mbytes/s (synchronous) Access time Full stroke: 500 ms (typical/1x) 450 ms (typical/2x) 400 ms (typical/4x) 350 ms (typical/8x) Average: 350 ms (typical/1x)
  • Page 27 Non-operating 19.6 m /s (2 G o-p) at 7 Hz to 300 Hz Transportation 1.44 m -Hz (0.015 G /Hz) at 5 Hz to 50 Hz Shock Operating Read: 49 m /s (5 G o-p) at 11 ms half sine wave (includes 5 retries) Write:4.9 m/s (0.5 G o-p) at 11ms half sine wave...
  • Page 28 Laser Type Semiconductor laser GaAlAs Wave length 778 to 787nm (at 25 ˚C 2 ˚C) Output power 2.5 mW (Read) 60 mW (Write) Beam divergence 60 degree Supplied accessory User’s Guide (1 each) Disc Caddy OPA-2000 (1 each) Optional accessories CD ROM discs: YHDS-50 “CD-ROM Test Disc Type 1.3”...
  • Page 29 Dimension diagram CD Caddy CD Caddy CD Caddy CD Caddy Important: Screws must not extend more than 4.0mm into the side panels or the bottom plate. Specifications...

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