Yamaha CRW-70 Kullanım kılavuzu

(DECLARATION OF CONFORMITY PROCEDURE)

Responsible Party: Yamaha Electronics Corporation, USA.

Address: 6660 Orangethorpe Avenue

Buena Park, CA 90620

Telephone: 714-522-9105

Fax: 714-670-0108

Type of Equipment: CD Recordable/Rewritable Drive

Model Name: CRW-70

This device complies with Part 15 of the FCC Rules.

Operation is subject to the following conditions:

1) this device may not cause harmful interference, and

2) this device must accept any interference received including interference that

may cause undesired operation.

See user manual instructions if interference to radio reception is suspected.

FCC INFORMATION (U.S.A.)

1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT!

This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements.

Modifications not expressly approved by Yamaha may void your authority, granted by the FCC, to use the product.

2. IMPORTANT: When connecting this product to accessories and/or another product use only high quality shielded cables.

Cable/s supplied with this product MUST be used. Follow all installation instructions. Failure to follow instructions could void

your FCC authorization to use this product in the USA.

3. NOTE: This product has been tested and found to comply with the requirements listed in FCC Regulations, Part 15 for Class

“B” digital devices. Compliance with these requirements provides a reasonable level of assurance that your use of this product

in a residential environment will not result in harmful interference with other electronic devices. This equipment generates/uses

radio frequencies and, if not installed and used according to the instructions found in the users manual, may cause

interference harmful to the operation of other electronic devices. Compliance with FCC regulations does not guarantee that

interference will not occur in all installations. If this product is found to be the source of interference, which can be determined

by turning the product “OFF” and “ON”, please try to eliminate the problem by using one of the following measures:

Relocate either this product or the device that is being affected by the interference.

Utilize power outlets that are on different branch (circuit breaker or fuse) circuits or install AC line filter/s.

In the case of radio or TV interference, relocate/reorient the antenna. If the antenna lead-in is 300 ohm ribbon lead, change

the lead-in to coaxial type cable.

If these corrective measures do not produce satisfactory results, please contact the local retailer authorized to distribute this

type of product. If you can not locate the appropriate retailer, please contact Yamaha Electronics Corporation, USA.

6660 Orangethorpe Avenue, Buena Park, CA 90620 U.S.A.

COMPLIES WITH 21 CFR CHAPTER 1, SUBCHAPTER J.

CAUTION - VISIBLE AND / OR INVISIBLE LASER RADIATION WHEN

OPEN AND INTERLOCKS DEFEATED.

AVOID EXPOSURE TO BEAM.

VARNING - SYNLIG OCH / ELLER OSYNLIG LASERSTRÅLNING NÄR

DENNA DEL ÄR ÖPPNAD OCH SPÄRRAR ÄR

URKOPPLADE. STRÅLEN ÄR FARLIG.

VARO ! AVATTAESSA JA SOUJALUKITUS OHITETTAESSA

OLET ALTTIINA NÄKYVÄLLE JA / TAI NÄKYMÄTÖMÄLLE

LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN.

VARNING - SYNLIG OCH / ELLER OSYNLIG LASERSTRÅLNING NÄR

DENNA DEL ÄR ÖPPNAD OCH SPÄRREN ÄR URKOPPLAD.

BETRAKTA EJ STRÅLEN.

VORSICHT ! SICHTBARE UND / ODER UNSICHTBARE

LASERSTRAHLUNG TRITT AUS, WENN DECKEL

GEÖFFNET UND WENN SICHERHEITSVERRIEGELUNG

ÜBERBRÜCKT IST. NICHT DEM STRAHL AUSSETZEN.

CAUTION - VISIBLE AND / OR INVISIBLE LASER RADIATION WHEN

OPEN AND INTERLOCKS DEFEATED.

AVOID EXPOSURE TO BEAM.

VORSICHT ! SICHTBARE UND / ODER UNSICHTBARE

LASERSTRAHLUNG TRITT AUS, WENN DECKEL

GEÖFFNET UND WENN SICHERHEITSVERRIEGELUNG

ÜBERBRÜCKT IST. NICHT DEM STRAHL AUSSETZEN.

CLASS 1 LASER PRODUCT

LASER KLASSE 1 PRODUKT

LUOKAN 1 LASERLAITE

KLASS 1 LASER APPARAT

PRODUIT LASER DE CLASSE 1

CAUTION

Use of controls or adjustments or performance of

procedures other than those specified herein may result

in hazardous radiation exposure.

Laser Product Class: Class 1

Laser Diode Properties

Wavelength: 780 – 787 nm

Pulse Durations and Max. Output

at the lens of the Laser Pickup Unit

Read Mode: 0.85 mW (Continuous)

Write Mode: Max. 38 mW

(for 424 ns, Min. Cycle 115.7 ns)

ACHTUNG

Halten Sie sich beim Bedienen und Einstellen der

Bedienungselemente sowie bei der Bedienungsabfolge

an die Anleitung, da sonst gefährliche Strahlen austreten

können.

ATTENTION

L’emploi de commandes, de réglages ou un choix de

procédures différents des spécifications de cette

brochure peut entraîner une exposition à d’éventuelles

radiations pouvant être dangereuses.

PRECAUCION

El usar los controles o ajustar o realizar procedimientos

diferentes a los especificados aquí resultará en

peligrosas exposiciones a la radiación.

VARO! AVATTAESSA JA SUOJALUKITUS OHITETTAESSA

OLET ALTTINA NÄKYMÄTTÖMÄLLE

LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN.

VARNING! OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR

ÖPPNAD OCH SPÄRREN ÄR URKOPPLAD.

BETRAKTA EJ STRÅLEN. STRÅLEN ÄR FARLIG.

Laserprodukt-Klasse: Klasse 1

Eigenschaften der Laserdiode

Wellenlänge: 780 – 787 nm

Impulsdauer und max. Ausgang an der Linse der

Laser-Abtasteinheit

Lesemodus: 0.85 mW (kontinuierlich)

Schreibmodus: Max. 38 mW

(für 424 ns, Zyklusmin. 115,7 ns)

Classe du produit laser: Classe 1

Caractéristiques de la diode laser

Longueur d’onde: 780 – 787 nm

Durée des impulsions et sortie maximum depuis

la lentille du bloc capteur optique

Mode de lecture: 0,85 mW (continue)

Mode de gravure: max. 38 mW

(pour 424 ns, cycle min. 115,7 ns)

Clase de producto láser: Clase 1

Propiedades del diodo láser

Longitud de onda: 780 – 787 nm

Duración del pulso y potencia de salida máxima

en el objetivo de la unidad captora láser

Modo de lectura: 0,85 mW (continua)

Modo de escritura: máx. 38 mW

(para 424 ns, ciclo mínimo 115,7 ns)

i

OWNER’S MANUAL

English

ii

SAFETY PRECAUTIONS

PLEASE READ THE FOLLOWING WARNINGS AND CAUTIONS CAREFULLY

TO PREVENT PERSONAL INJURY AND DAMAGE TO THE DEVICE.

These precautions explain how to use the device correctly and safely, thereby

preventing injury to yourself and others. This section has been sub-divided into a

WARNING section and a CAUTION section, according to the likelihood and nature

of any potential injuries or damage inflicted. They relate to your personal safety,

and also help you minimize the risk of damaging the device. Please read these

sections carefully before proceeding.

WARNING

Always follow these basic precautions to prevent short-circuit, damage, fire, or

other hazards, and to prevent serious injury or death from electrical shock.

● To avoid risk of electrical shock or fire, do not attempt to open or disassemble

the device.

● To avoid risk of eye damage or blindness, do not look directly at the laser source.

● To avoid the risk of personal injury or electrical shock, do not insert your fingers

or foreign objects into the device. Take particular care if small children are

present.

● To avoid the risk of electrical shock, fire, or personal injury, do not expose the

device to rain, use it near water or in damp or wet conditions, or place containers

of liquid (which may spill into the unit) on the device.

● To avoid risk of personal injury, electrical shock, fire, or damage to the unit,

follow the Owner’s Manual carefully and set up the unit correctly.

● If unusual smells, sounds or smoke come from the device, turn off the computer

immediately to avoid the risk of electrical shock, fire or damage to the device,

and return the device to the store of purchase or your nearest Yamaha dealer

(listed at the back of this manual).

● When cleaning the drive, unplug the power cable first from the electrical outlet

(do not touch the plug with wet hands) as there is an increased risk of electrical

shock.

iii

● The drive should not be exposed to temperatures outside the range 5 – 35 °C (41

– 95 °F) to avoid risk of malfunction, fire or personal injury.

● Clean the AC power plug regularly, especially the blades, to avoid the risk of

insulation failure or fire due to humidity.

● Do not pull on the cord itself when disconnecting from the electrical outlet, or let

objects rest or roll on the cord, as this can damage the cord and cause electrical

shock or fire.

● Insert the AC plug firmly, as a poor connection can result in electrical shock or

fire.

● Only use the AC adapter provided. Failure to do so can result in malfunction or

fire.

● Do not connect too many devices to a single electrical outlet or use a voltage

exceeding the rated voltage, as this may cause overheating and fire.

CAUTION

Always follow these basic precautions to prevent physical injury to yourself or

others, and damage to the instrument or other property.

● Always unplug the computer from the electrical outlet if it will not be used for a

prolonged period of time or if there is a possibility of lightning, to avoid the risk

of electrical shock or fire.

● Do not expose the device to excessive vibration, heat, cold or dust. Doing so may

result in damage to the unit’s panel or internal components.

● Do not use the device near other appliances such as televisions or radios. Doing

so may cause interference and affect the proper operation of the device or other

appliance.

● To avoid damage to the device or personal injury, always place the device in a

stable position.

● Always place the device horizontally to avoid the risk of lost written data.

● Always remove any disc from the drive before transporting the device as written

data may be lost.

iv

● Use a soft, dry cloth to wipe the device. Do not use benzene, paint thinners,

detergents, or chemically treated wiping cloths as these may damage the unit.

Do not place vinyl, plastic, or rubber objects on the device as chemical reactions

can cause damage to the device.

● Do not rest your weight on or place heavy objects on the device, or use excessive

force on the buttons, switches or connectors, as damage to the unit or personal

injury may occur.

● Do not listen to audio with headphones at high volume for prolonged periods of

time, as your hearing may be damaged as a result.

● Before use, always turn down the volume as a sudden burst of sound at high

volume can result in hearing damage.

● Do not place the device anywhere near sources of magnetic interference as

operational stability may be adversely affected.

● Have the device serviced regularly to avoid internal dust buildup that can cause

malfunction, damage or fire. For service information and service charges,

contact the store of purchase or your nearest Yamaha dealer (listed at the back

of this manual).

● Do not allow the plug of the AC adapter to come into contact with metal as a

short circuit can result and cause a malfunction or damage to the device.

● Do not wrap the power cord around the AC adapter as it may become

disconnected and cause a malfunction.

● Do not touch the pickup as it can cause sounds to drop out or data cannot be

written/read normally.

v

■ Precautions for Transportation

Keep the original box for future transportation. Before transporting the device, always put it

in the original box. Yamaha does not bear any responsibility for problems that occur during

transportation with the device not in the original box.

■ WARRANTY

YAMAHA AND ITS SUPPLIERS ACCEPT NO LIABILITY FOR THE LOSS OF ANY DATA OR

ANY PROBLEMS CAUSED AS A RESULT OF USING THIS PRODUCT. AS A PRECAUTION, IT

IS RECOMMENDED THAT THE DISCS BE TESTED AFTER THEY HAVE BEEN WRITTEN TO.

FURTHERMORE, UNDER NO CIRCUMSTANCES DOES YAMAHA AND ITS SUPPLIERS

GUARANTEE THE RELIABILITY OF THE DISCS.

●

●●

● The information contained in this manual is subject to change

without prior notice.

●

●●

● All trademarks contained in this manual belong to their

respective owners.

●

●●

● Yamaha does not bear any responsibility for a problem that

occurs as a result of any operations carried out other than

those stated in the manual that came with the drive.

●

●●

● Reproduction of this manual, either in part or in full, is

expressly forbidden.

This document may not, in whole or in part, be copied, photocopied,

reproduced, translated, transmitted, or reduced to any electronic

medium of machine readable form without prior consent in writing

from Yamaha.

Windows is a registered trademark of Microsoft Corporation.

SafeBurn™ is a trademark of Yamaha Corporation.

All other trademarks are the property of their respective companies.

vi

Table of Contents

Handling Discs and Data........................................................... 1

Handling Discs........................................................................................ 1

Copyright ................................................................................................ 1

Disclaimer of Indemnity ......................................................................... 1

Supported Discs ...................................................................................... 2

Features of the CRW-70 Drive..................................................... 5

Before Use............................................................................ 9

System Requirements ............................................................................. 9

Serial Number ....................................................................................... 11

Exterior Features...................................................................12

Loading/Removing a Disc .........................................................15

Loading a Disc...................................................................................... 15

Removing a Disc................................................................................... 16

Using the CRW-70 Drive as a CD-R/RW Drive

(When Connected to a Computer)

..17

Setup Procedure (Flowchart) ................................................................ 17

STEP 1 Connect the CRW-70 Drive ................................................... 18

STEP 2 Install the Device Drivers....................................................... 21

STEP 3

Make Sure that the CRW-70 Drive Is Correctly Recognized

... 22

STEP 4 Install the CD Writing Software ............................................ 24

Disconnecting the CRW-70 Drive........................................................ 24

Listening to Audio CDs and MP3 Discs .........................................25

CDs/MP3 Discs that Can Be Played on the CRW-70 Drive ................ 25

Connecting ............................................................................................ 27

Playback................................................................................................ 28

Pause During Playback ......................................................................... 29

Skip ....................................................................................................... 30

Changing the Playback Mode ............................................................... 31

Troubleshooting....................................................................32

Appendix.............................................................................39

Recording Methods............................................................................... 39

Firmware............................................................................................... 42

Relationship Between Busy LED and Operation ................................. 43

Relationship Between Display and Operation ...................................... 44

CRW-70 Drive Specifications .............................................................. 45

Index ..................................................................................................... 49

1

Handling Discs and Data

To avoid trouble such as writing errors, the loss of recorded data, and a

breakdown in the drive, take the following precautions when handling discs.

• Do not place discs in a hot or damp place or where they will be exposed to

direct sunlight.

• Do not touch the surface of a disc.

When handling a disc, hold it by the edges.

• Remove dust and dirt from the surface of a disc.

Use an air spray to remove dust. The surface of a disc may be scratched if

strongly wiped with a dry cloth.

• Do not stick labels to the surface of a disc or write anything on it except

where designated.

• Do not clean discs with chemicals or detergents.

• Do not bend or drop discs.

• Use only circular discs

*1

. Do not use irregularly shaped discs, such as star

or heart shaped discs.

*1

Suitable for 8cm CDs.

It is prohibited by law to duplicate copyrighted materials for non-personal

use without the prior consent of the copyright holder. When copying

material with your CD-R/RW drive, take due care not to infringe the

copyright.

Yamaha assumes no liability for the loss of any profits incurred as a result of

the loss or corruption of data written on a CD-R or CD-RW, for any loss or

damage caused by or arising out of extraordinary circumstances (including

circumstances that Yamaha has foreseen or could foresee), or for any

damages incurred to cover the damages claimed by a third party. After

handling important data, you should always make a comparison between the

original and the copied data to confirm that the data has been copied

properly. In no event shall Yamaha be liable for any damage to discs due to a

Buffer Underrun Error (→P. 7) or any other reason, or the inability to use

distributed discs with your drive because of their formats.

Handling Discs

Copyright

Disclaimer of Indemnity

Handling Discs and Data

2

The CRW-70 drive can write on discs that carry the following logos:

For the latest information about discs already checked for compatibility with

the drive, go to the YAMAHA CD-R/RW Drive web site.

URL: http://www.yamaha.co.jp/english/product/computer/

Supported Discs

CD-R discs

• The CRW-70 drive can write onto these discs at 1X, 2X, 4X, 8X or 12X

speed.

• These discs can be read/played on a CD-ROM drive or a CD player.

• 12X-speed writing is enabled with Partial CAV method. (

→

P. 4)

• Before writing, check the writing speeds your disc supports.

CD-RW discs

• The CRW-70 drive can write/rewrite at 2X or 4X speed.

• These discs can be read/played on a device (e.g. CD-ROM drive) that

supports “CD-RW.”

Note that some discs support only 2X speed.

High Speed CD-RW discs

• The CRW-70 drive can write/rewrite at 4X or 8X speed.

• These discs can be read/played on a CD-RW drive that bears the High Speed

CD-RW logo or a device (e.g. CD-ROM drive) that supports “CD-RW.”

• When using the packet writing method (→P. 41) for writing/rewriting onto

High-Speed CD-RW discs, you can select the 4X

–

10X Full CAV method. For

more information, refer to the documentation that came with your CD writing

software. (Your CD writing software must support the Full CAV method, as

does the CD writing software that came with the CRW-70 drive.)

• The Full CAV method is recommended when opening and editing a file on a

CD-RW disc with an application.

• In order to write, erase, read or play High Speed CD-RW discs, use a CD-R/RW

drive that bears the High Speed CD-RW logo. When using a CD-ROM drive to

read/play High Speed CD-RW discs, use a drive that supports CD-RW discs.

If these discs are used with a CD-R/RW drive not bearing the High Speed CD-

RW logo, the discs may not be recognized, resulting in the computer not

operating correctly or other malfunctions occurring.

Refer to the page at the URL below before attempting to read/play these discs

on a Yamaha CD-R/RW drive not bearing the High Speed CD-RW logo.

URL: http://www.yamaha.co.jp/english/product/computer/

Notes

Note

Notes

3

What is Orange Book?

The Orange Book is a collection of standards for CD-R and CD-RW,

and sometimes refers to the standards themselves. The Orange Book

Part 2 deals chiefly with CD-R discs, and the Orange Book Part 3 with

CD-RW discs. The book takes its name from its orange colored cover.

Audio CDs and CD-ROMs

Ordinary audio CDs that can be played back on a CD player contain

sounds or music data data recorded in a format called CD-DA

(Compact Disc-Digital Audio). This means that CD-R discs can also be

played on a CD player if they store audio data recorded in CD-DA

format. A 79-minute CD is capable of recording audio data of up to 79

minutes (16-bit/44.1 kHz-sampled stereo audio data).

On the other hand, CD-ROMs store computer data digitally encoded

and recorded in a format specified by the international standard

ISO9660 so that they can be recognized by many types of computers.

CDs (CD-DA) were originally developed for music, later came into use

as read-only memory (ROM) for computers, and are now widely used

as a storage medium for recording audio and graphics data, and also for

databanks and electronic publications.

Included among the CD-ROM variations are CD EXTRA and Video

CDs.

What is CD EXTRA?

This refers to CDs containing audio data, text data, graphics data, etc., recorded

in multiple sessions. Most CD EXTRA discs allow you to listen to music on an

ordinary CD player or to enjoy pictures and text information on your computer,

whereas Video CDs allow you to play back video and audio data compressed in

MPEG1 format.

Handling Discs and Data

4

Partial CAV (Constant Angular Velocity)

The CLV (Constant Linear Velocity) method is generally used to write

data on a CD-R disc. In writing by the CLV method, the disc rotation

speed is adjusted to keep the data writing speed (data transfer rate)

constant at any part of the disc.

In contrast, the CAV method (Constant Angular Velocity) method

exercises control so as to keep the disc rotation speed constant. The

CAV method makes it possible to substantially increase the maximum

data transfer rate with a minimum increase in the load to the drive, and

for this advantage, it is adopted today for most play-only CD-ROM

drives.

Since a CD is formatted so that it has an even data recording density at

all of its parts, the amount of data recorded in a track increases as the

read/write head moves outward on the disc. For the CAV method,

therefore, data is transferred at a higher rate when it is written in tracks at

the outer radius of the disc.

To achieve up to 12X-speed writing, the CRW-70 drive employs the

Partial CAV method, which is a combination of the CAV method used

for writing in inner tracks and the CLV method used for writing in outer

tracks. The Partial CAV method controls the disc rotation speed so that

the CRW-70 drive starts writing at 8X speed in inner tracks, increases

the speed to 12X as the read/write head moves outward, and holds the

speed at 12X in outer tracks.

5

Features of the CRW-70 Drive

High speed writing/reading

The CRW-70 drive supports up to 12X-speed writing of CD-R discs

*1

, and

up to 8X-speed writing/rewriting of CD-RW discs. The drive also supports

data reading and digital audio data extraction at up to 24X speed.

USB 2.0 compatible

USB 2.0 provides high-speed data transfer capability (max. speed 480

Mbits/sec.).

The transfer speed is about 40 times faster than the USB 1.1 standard.

USB’s hot plug capability allows the drive to be plugged in and unplugged

even with the computer turned on.

SafeBurn™ (Enhanced write stability technology)

Generous 8MB of buffer memory

Because of the large data storage area, stable disc writing is possible even at

fast speeds.

Buffer Underrun Protection

When data transfer from the computer is interrupted, Buffer Underrun

Protection is activated to keep precious CD-R discs from going to waste.

(→P. 7)

Optimum Write Speed Control

Before writing to CD-R discs, the CRW-70 drive checks the disc’s capability

and automatically selects the optimum writing speed

*2

for greater reliability.

The speed you set with your CD writing software is the maximum writing

speed.

Reliable writing

Yamaha’s proprietary Pure-Phase Laser System (patent applied for)

This technology reduces phase interference of the laser beam, so that it

projects accurately onto the disc. Jitter value, an important measure of

recording quality, has been improved 25% compared with Yamaha models

not using this technology.

Features of the CRW-70 Drive

6

Running OPC (Optimum Power Control)

Running OPC automatically adjusts the output of the laser according to the

characteristics of the disc being used. Running OPC provides greatly

enhanced recording reliability for various manufacturers’ discs.

High-fidelity digital audio

The CRW-70 drive supports extraction of digital audio data at up to 24X

speed, as well as the recording of digital sound with complete fidelity even

when writing at 12X speed.

CD TEXT support

Information such as song names or artist names can be recorded on CD-R/

RW discs using CD writing software. The text data on the created disc can

be displayed on a CD player that is compatible with the CD TEXT format.

Audio CD and MP3 disc playback support

You can play audio CDs or MP3 discs (→P. 25) on the CRW-70 drive

without connecting it to a computer, by using optional headphones or other

audio device.

*1

12X-speed writing onto CD-R discs is enabled with the Partial CAV method.

(→P. 4)

*2

The optimal writing speed automatically selected will be between 8X speed and

the maximum speed designated for that disc. If the disc is rated at lower than 8X-

speed writing, you need to designate the most suitable writing speed manually.

7

Buffer Underrun defined

CD-R/RW drives are equipped with a buffer memory. This memory

temporarily stores data while a disc is being recorded. When the buffer

memory becomes empty (due to unexpected interruptions or the

system’s inability to keep up with the writing process), a writing error

occurs. This error is known as a “buffer underrun error.”

A Buffer Underrun Error will permanently ruin the disc.

Yamaha Buffer Underrun Protection

Buffer Underrun Protection is featured in the CRW-70 drive CD-R/RW

drives. When a buffer underrun is about to occur, a buffer underrun

error is prevented by temporarily suspending the writing process.

Writing resumes when enough data has accumulated again in the buffer

memory. Buffer Underrun Protection on the CRW-70 drive is

extremely accurate, resulting in seamless recording between stop and

continuation points.

Yamaha Buffer Underrun Protection ensures error-free results.

Data

Data is stored in

the buffer

memory...

then the buffer

memory begins

to empty

When no data is

left in the buffer

memory... (Buffer

Underrun)

and then written

to the disc

writing fails (Buffer

Underrun Error)

If data transfer is

interrupted...

If data transfer is

interrupted...

Once data transfer

resumes normally...

and the buffer

memory is about

to empty...

and enough data has

accumulated in the

buffer memory...

writing is

suspended

writing

resumes

Features of the CRW-70 Drive

8

Test writing for Buffer Underrun

Test writing is a function to check for the likely occurrence of Buffer Underrun

on your computer system.

The CD writing software that came with the CRW-70 drive includes test

writing functions for this purpose.

When Buffer Underrun Protection is activated (Default), test writing cannot be

selected on your writing software.

To use test writing, Buffer Underrun Protection should be deactivated.

9

Before Use

When the CRW-70 drive is connected to a computer and used as a CD-R/

RW drive, the system environments must satisfy the following conditions.

If your computer does not meet the requirements listed below, the CRW-70

drive may not be able to write at the maximum speed.

Hardware

• PC/AT-compatible computer

• CPU: Pentium II-class or higher, 300 MHz or faster

• RAM: 64 MB or more

• USB port (USB 2.0 compatible)

• A spare PCI expansion slot or a CardBus slot for a USB interface card (if

there is a need to install an USB interface card in your computer)

•CD-ROM drive

• To install the device drivers, you need a CD-ROM drive other than the CRW-70

drive.

• The CRW-70 drive cannot be used as a boot drive. Furthermore, the CRW-70

drive cannot be used to set up the operating system one more time.

• For Windows XP, use a RAM of 128 MB or more.

USB interface card

Your computer requires a USB port in order to connect the CRW-70 drive.

To fully utilize the performance of the CRW-70 drive, a USB 2.0 compatible

interface card and EHCI (Enhanced Host Controller Interface) compliant

driver are also necessary. If your computer has a USB port with USB 1.1

specifications, YAMAHA recommend that you install a USB 2.0 compatible

interface card.

• For the latest information about USB 2.0 interface cards already checked for

compatibility with your drive, go to the YAMAHA CD-R/RW Drive web site.

URL: http://www.yamaha.co.jp/english/product/computer/

• For information on how to purchase an EHCI compliant driver for the USB

interface card, or information about the operating system supporting the card, go

to the interface card manufacturer’s web site or contact user support services.

System Requirements

Notes

Before Use

10

Connecting the drive to a USB 1.1 port

If the CRW-70 drive is connected to a USB 1.1 port, which is one of the

typical USB ports installed as standard on computers, the drive operates in

accordance with USB 1.1 standard.

For reliable data writing, Buffer Underrun Protection should be activated

and the writing speed should be set to 8X on the CD writing software.

With a USB 1.1 port, the data reading speed is 6X at maximum.

USB cable

Use the USB cable provided.

According to USB specifications, the maximum length for cables connecting

devices is 5 m.

Be sure to connect the drive to the USB port of the computer. If you connect the drive

to the computer via a USB hub, the drive may not operate properly.

Operating system (OS)

Windows 98 Second Edition, Windows Me, Windows 2000 Professional, or

Windows XP

• For Windows 98 Second Edition, install the device drivers provided (storage class

drivers) in the computer. For details, refer to the separate manual “Device Driver

Installation Guide,” that came with the CRW-70 drive.

• The CRW-70 drive cannot be used with a system that has been booted in MS-

DOS or Safe mode.

CD writing software

The CRW-70 drive requires CD writing software to write onto a CD-R/RW

disc. Use the CD writing software that came with the CRW-70 drive. If you

use different CD writing software, consult the manufacturer of the CD

writing software to check the compatibility with the CRW-70 drive.

For details about how to install and use the CD writing software, refer to the

documentation that came with it.

Note

Notes

Note

Maximum length of cable

between devices: 5.0 m

CRW-70

11

Hard drive space

Writing data on a CD-R/RW disc requires 50 MB to 100 MB of free space as

a working area on the hard drive. When writing data on a CD-R/RW disc

after creating an image file, there must be enough free space on the hard

drive to store the image file in addition to the working area (a total of up to

about 900 MB). However, this hard drive space for image files is not needed

when directly writing onto a CD-R/RW disc from a hard drive or CD-ROM

using the CRW-70 drive (on-the-fly writing).

Image files

You can collect data files to be written on a CD-R/RW disc into a single image file.

The image file is useful for writing the same data onto multiple discs. For further

details, refer to the documentation that came with your CD writing software.

Your drive’s serial number is printed on the label affixed to the bottom of the

drive. You may be asked for the serial number when requesting information

about your drive or user support services. It may be difficult to read the serial

number because of the installation location or for other reasons. YAMAHA

therefore recommend you note down the serial number in the box below for

future reference.

Serial Number

Serial No.

Serial number

(3 letters and 7 digits)

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