background image

Example of System Setup

To use the CDU924S, at least the following components are necessary.

Computer (IBM-PC*, HP Vectra**, or compatible equipment)

CDU924S CD-R Drive Unit

SCSI host adapter

Floppy disk drive

SCSI interface cable (Single ended, 50 pin flat.)

Here are two examples of system setup.

Example of System Setup      7

Introduction

The CDU924S is a drive unit for CD-R discs, which store a maximum of
650 Mbytes of digital data.
The drive unit has the following features:

Reads and writes data in both CD-ROM and CD-ROM XA standard 
formats.

Reads and writes data in CD-BRIDGE format which includes 
PHOTO-CD.

Reads standard CD-DA (“Red Book”) encoded discs, and reads and 
writes CD-R discs conforming to “Orange Book Part II.”

Supports the following write modes: Disc at once, Track at once, 
Variable packet, Fixed packet, and Multi session.

Outputs the audio as 16-bit digital data over the SCSI interface.

Supports read and write operation at both standard speed and double 
speed, and read-only operation at quadruple speed.
Supports real time error correction at all speeds.

5 1/4 inch half-height drive form factor.

SCSI bus interface embedded. (Based on SCSI-2)

1 MB buffer memory.

Capable of audio CD playback provided with audio line output and 
headphones jack.

Fast access time assures high-speed reading and writing operations.

CD caddy for disc protection.

Automatic locking of the optical pick-up when the caddy is ejected. 
This ensures safety during transport.

Emergency eject function which allows the caddy to be ejected 
manually.

Capable of real time layered error correction.

Employs a casing with an airtight frame.

Software requirement

Additional application or driver software required to operate this unit.

6      Introduction

*

IBM PC is a registered trademark of International Business Machines Corporation.

** HP Vectra is a registered trademark of the Hewlett-Packard Company.

SCSI bus connection

Audio connection

Software

Host computer

Floppy disk 
  drive

CDU924S

Host adapter

Software

Host computer ID No. 7

ID No. 6

CDU924S

ID No. 5

ID No. 4

ID No. 3

ID No. 2

ID No.1

Example 1

Example 2

Summary of Contents for CDU924S

Page 1: ...CDU924S CD R Drive Unit User s Guide Mode d emploi Bedienungsanleitung 1996 by Sony Corporation Rev 1 0 BKC 42264600 CDU924S CD R Drive Unit User s Guide ...

Page 2: ...CD R Laufwerk handelt es sich um ein Laser Produkt der Klasse 1 Dieses Etikett befindet sich am Boden des Laufwerksgehäuses English 3 2 Owner s Record The model and serial numbers are located on the top side 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 _____...

Page 3: ...1 Getting Started 11 Setting the Jumpers 11 Opening the Computer 13 Mounting the Drive 14 Connecting the Drive 15 Mounting a Host Adapter 18 Reassembling the Computer 19 Installing the Software Driver 20 Using Discs and Caddies 21 Loading a Caddy with a Disc 21 Storing Discs and Caddies 23 Care of Discs 23 Operating the Drive 24 Starting Up 24 Ejecting a Caddy 25 Specifications 27 5 ...

Page 4: ...andard speed and double speed and read only operation at quadruple speed Supports real time error correction at all speeds 5 1 4 inch half height drive form factor SCSI bus interface embedded Based on SCSI 2 1 MB buffer memory Capable of audio CD playback provided with audio line output and headphones jack Fast access time assures high speed reading and writing operations CD caddy for disc protect...

Page 5: ...puter s ground cables when the drive frame is not in direct contact with the computer Location and Function of Parts and Controls 9 Location and Function of Parts and Controls Front Panel 1 Caddy insertion slot Accepts a caddy loaded with a CD ROM or CD R disc 2 Eject button Ejects the caddy from the drive unit 3 Emergency eject hole Insert a fine rod into this hole to eject a caddy manually in em...

Page 6: ...high temperature excessive dust mechanical vibration direct sunlight Use the drive in a horizontal position Do not use it in a vertical or tilted position Operation Do not move the drive during operation This may cause it to malfunction during reading or writing Avoid exposing the drive to sudden changes in temperature as condensation may form on the lens inside the drive as a result Should the su...

Page 7: ...ed trademark of AMP Inc JAE is a registered trademark of Japan Aviation Electronics Industry Ltd 12 Installing the Drive Unit into the Computer Jumper DEVICE TYPE ID SELECT ID number 0 1 2 3 4 5 6 7 Jumper settings 0 OFF ON OFF ON OFF ON OFF ON 1 OFF OFF ON ON OFF OFF ON ON 2 OFF OFF OFF OFF ON ON ON ON KEY PREVENT ALLOW TEST MODE Used to prevent the SCSI bus interface connector from being plugged...

Page 8: ... the Drive 1 Remove the screws and brackets from both sides of the drive spaces 2 If mounting rails are necessary attach them to the drive unit in the same way as the ones on your floppy disk drive and slide the drive unit into the bottom half height space Otherwise screw the drive unit in place 14 Installing the Drive Unit into the Computer GND 5V DC GND 12V DC Match beveled edges Power in connec...

Page 9: ...be grounded Connect the frame ground tab to one of the host computer s ground cables The frame ground cable recommended has a AMP 1 480435 0 housing and 170203 2 or 60711 1 contacts 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 16 Installing the Drive Unit into the Computer Right s...

Page 10: ...any Installing the Drive Unit into the Computer 19 Mounting a Host Adapter Install a host adapter in the computer by inserting it securely in a system expansion slot Refer to the operating instructions of the host adapter for complete instructions on its installation and the assignment of its switches Note If you connect external SCSI device s you must remove a host adapter s terminator resistors ...

Page 11: ... Data cannot be recorded if the recording surface is contaminated Using Discs and Caddies 21 Installing the Software Driver MSCDEX and the device driver for an ordinary CD ROM drive can be used when using the CDU924S as a SCSI CD ROM drive Use the device driver for a CD R drive when using the CDU924S as a recordable drive Be sure to install the device driver before operating the drive Refer to the...

Page 12: ... wipe a CD R disc with a cleaner before recording data To avoid scratching the recording surface blow away dust using an air blower Using Discs and Caddies 23 3 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 Data cannot be recor...

Page 13: ...ive slot with the disc s label facing up and push it partially into the drive until the automatic loading mechanism pulls the caddy in Important When inserting the caddy let the automatic loading mechanism pull it into the drive by itself Do not hold onto the caddy or attempt to overpower the loading mechanism The drive begins reading the Table of Contents TOC data The busy indicator lights amber ...

Page 14: ...W 1 Mbyte Disc diameter 12 cm Rotational speed Innermost track 600 min 1 600 rpm at CLV 1 4 m s normal 1200 min 1 1200 rpm double 2400 min 1 2400 rpm quadruple Outermost track 200 min 1 200 rpm at CLV 1 2 m s normal 400 min 1 400 rpm double 800 min 1 800 rpm quadruple Specifications 27 Ejecting a caddy manually in an emergency In the event of electrical or mechanical failure of the drive unit a ma...

Page 15: ...pecifications 29 Drive performance Data transfer rate Sustained rate Mode 1 150 kbytes s normal 300 kbytes s double 600 kbytes s quadruple SCSI Interface Burst rate 2 5 Mbytes s 4 0 Mbytes s synchronous Access time Full stroke 450 ms typical normal 420 ms typical double 400 ms typical quadruple Average 360 ms typical normal 300 ms typical double 250 ms typical quadruple Reliability MTBF 100 000 PO...

Page 16: ...ype 1 3 equivalent to YHDS 4 YHDS 100 CD ROM Test Disc Type 2 0 audio combined Additional caddies OPA 2000 OPA 1011 2 Crystal frequency 22 5792 MHz 24 0000 MHz 33 8688 MHz Design and specifications are subject to change without notice 30 Specifications 146 05 5 3 4 148 5 5 7 8 203 2 8 5 7 32 42 5 1 11 16 41 4 1 5 8 21 84 7 8 9 91 13 32 139 7 5 1 2 79 25 3 1 8 47 5 1 7 8 4 M3 Mounting screws 4 M3 M...

Reviews: