Asus External Slim Combo Drive SCB-2424A-U User manual

24x/24x/24x CD-RW Drive
8x DVD-ROM Drive
SCB-2424A-U
External Slim
Combo Drive
User GuideUser Guide
User GuideUser Guide
User Guide

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Copyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved.Copyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved.
Copyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved.Copyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved.
Copyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form
or by any means, except documentation kept by the purchaser for backup purposes, without the
express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS
DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS
OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS
HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR
ERROR IN THIS MANUAL OR PRODUCT.
Product warranty or service will not be extended if: (1) the product is repaired, modified or
altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the
serial number of the product is defaced or missing.
The product name and revision number are both printed on the product itself. Manual revisions
are released for each product design represented by the digit before and after the period of the
manual revision number. Manual updates are represented by the third digit in the manual revision
number.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR
INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND
SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY
OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL,
INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual may or may not be registered
trademarks or copyrights of their respective companies, and are used only for identification or
explanation and to the owners’ benefit, without intent to infringe.
E2242E2242
E2242E2242
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First Edition V1First Edition V1
First Edition V1First Edition V1
First Edition V1
August 2005August 2005
August 2005August 2005
August 2005

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3
Contents
Notices ................................................................................................ 4
ASUS contact information .................................................................. 5
Safety information .............................................................................. 6
Installation notices .................................................................. 6
Using the device ...................................................................... 7
Conventions used in this guide ........................................................... 7
Package contents ............................................................................... 8
1. Welcome! ................................................................................. 9
2. Product introduction ............................................................... 9
2.1 Specifications ............................................................ 9
2.2 Features .................................................................. 10
3. Installation ............................................................................. 15
3.1 System requirements .............................................. 15
3.2 Connecting the drive cables .................................... 16
3.3 Driver installation ..................................................... 17
3.4 Checking the drive in the system ............................ 20
3.5 Unplugging the drive ............................................... 22
4. Drive basics ........................................................................... 23
4.1 Placing a disc into the drive .................................... 23
4.2 Ejecting a disc from the drive ................................. 24
4.3 Using the emergency manual eject bar ................... 25
4.4 Using compact discs ................................................ 26
5. Technical information ............................................................ 27
5.1 Environmental specifications ................................... 27
5.2 Electrical and audio specifications ........................... 27

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Notices
Federal Communications Commission StatementFederal Communications Commission Statement
Federal Communications Commission StatementFederal Communications Commission Statement
Federal Communications Commission Statement
This device complies with Part 15 of the FCC Rules . Operation is subject to
the following two conditions:
• This device may not cause harmful interference, and
• This device must accept any interference received including interference
that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with
manufacturer’s instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment to an outlet on a circuit different from that to
which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
WARNING!WARNING!
WARNING!WARNING!
WARNING! The use of shielded cables for connection of the monitor to
the graphics card is required to assure compliance with FCC regulations.
Changes or modifications to this unit not expressly approved by the
party responsible for compliance could void the user’s authority to
operate this equipment.
Canadian Department of Communications StatementCanadian Department of Communications Statement
Canadian Department of Communications StatementCanadian Department of Communications Statement
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class B limits for radio noise
emissions from digital apparatus set out in the Radio Interference
Regulations of the Canadian Department of Communications.
This class B digital apparatus complies with Canadian ICES-003.

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ASUS contact information
ASUSTeK COMPUTER INC.ASUSTeK COMPUTER INC.
ASUSTeK COMPUTER INC.ASUSTeK COMPUTER INC.
ASUSTeK COMPUTER INC.
Address 15 Li-Te Road, Peitou, Taipei, Taiwan 11259
Telephone [phone]
Fax [phone]
E-mail [email protected]
Web site www.asus.com.tw
Technical Support
Telephone [phone]
ASUS COMPUTER INTERNATIONAL (America)ASUS COMPUTER INTERNATIONAL (America)
ASUS COMPUTER INTERNATIONAL (America)ASUS COMPUTER INTERNATIONAL (America)
ASUS COMPUTER INTERNATIONAL (America)
Address 44370 Nobel Drive, Fremont, CA 94538, USA
Fax [phone]
Web site usa.asus.com
Technical Support
Telephone
(General) [phone]
(Notebook) [phone] x5110
Support fax [phone]
Online support support.asus.com
ASUS COMPUTER GmbH (Germany and Austria)ASUS COMPUTER GmbH (Germany and Austria)
ASUS COMPUTER GmbH (Germany and Austria)ASUS COMPUTER GmbH (Germany and Austria)
ASUS COMPUTER GmbH (Germany and Austria)
Address Harkort Str. 25, D-40880 Ratingen, Germany
Telephone [phone]
Fax [phone]
Web site www.asuscom.de
Online contact www.asuscom.de/sales
Technical Support
Telephone
(Component) [phone]
(Notebook) [phone]
Support Fax [phone]
Online support support.asus.com

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Safety information
Observe the following precautions before installing and using the drive!
Installation noticesInstallation notices
Installation noticesInstallation notices
Installation notices
Do not attempt to disassemble or
repair the drive. Opening the drive
may result to laser radiation
exposure.
Do not use or place this device
near magnetic fields, televisions,
or radios to avoid electronic
interference that affects drive
performance.
Do not place this device under
direct sunlight or in humid or
damp places.
Do not place this device in an
unstable position, or on vibrating
surfaces.

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Using the deviceUsing the device
Using the deviceUsing the device
Using the device
• Use of any controls, adjustments, or procedures other than those
specified in this manual may result to hazardous radiation exposure.
• Do not attempt to disassemble the drive.
• Do not move the device from a cold to a warm or hot environment.
Drastic change of temperature is harmful to the device.
• Before moving or uninstalling the drive, remove disc from it, if any.
• Prevent liquids and metal objects to get into the device. If this situation
occurs, contact your retailer for assistance.
• Do not use any evaporating solvents to clean the device. If you
accidentally sprayed any solvent on the device, use a clean cloth to wipe
it. You may also use a neutral cleaner to dilute the solvent to easily wipe
it from the device.
• Try not to interrupt the supply of power while the device is in reading or
writing mode.
• Do not place damaged or warped discs inside the device. A warped disc
may break while in use and damage the device.
• Do not place discs into the device immediately if they came from a cold
environment, especially during cold seasons. Wait until the discs have
reached room temperature.
Safety information
Conventions used in this guide
To make sure that you perform certain tasks properly, take note of the
following symbols used throughout this manual.
WARNING/DANGER:WARNING/DANGER:
WARNING/DANGER:WARNING/DANGER:
WARNING/DANGER: Information to prevent injury to yourself
when trying to complete a task.
CAUTION:CAUTION:
CAUTION:CAUTION:
CAUTION: Information to prevent damage to the components
when trying to complete a task.
IMPORTANT:IMPORTANT:
IMPORTANT:IMPORTANT:
IMPORTANT: Instructions that you MUST follow to complete a
task.
NOTE:NOTE:
NOTE:NOTE:
NOTE: Tips and additional information to aid in completing a
task.

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Package contents
Upon opening your ASUS External Slim CD-RW/DVD-ROM (SCB-2424A-U)
drive package, check if all the following items are present and in good
condition. If any of the items is damaged or missing, contact your retailer
immediately.
• ASUS External Slim CD-RW/DVD-ROM drive (SCB-2424A-U)
• USB 2.0 cable
• Power adapter
• User guide (English and Traditional Chinese)
• Multi-language quick installation poster
• Bundled software CD
(plus Windows
®
98 SE and Mac OS
®
USB 2.0 driver)
The above items are available in retail boxes only.

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Refer to the section “Technical information” on page 27 for
detailed specifications.
1. Welcome!
Thank you for buying the ASUS External Slim CD-RW/DVD-ROMASUS External Slim CD-RW/DVD-ROM
ASUS External Slim CD-RW/DVD-ROMASUS External Slim CD-RW/DVD-ROM
ASUS External Slim CD-RW/DVD-ROM
(SCB-2424A-U)(SCB-2424A-U)
(SCB-2424A-U)(SCB-2424A-U)
(SCB-2424A-U) Drive!
To ensure proper installation and use of this drive, read the instructions
and other important information contained in this manual.
2. Product introduction
2.12.1
2.12.1
2.1 SpecificationsSpecifications
SpecificationsSpecifications
Specifications
The SCB-2424A-U has the following specifications.
24x, 20x, 16x, 12x (P-CAV), 8x, 4x (CLV)
24x, 20x, 16x, 12x (P-CAV), 8x, 4x, 2x (CLV)
24x max (CAV) ~ 3600 KB/sec
8x max (CAV) ~ 10820 KB/sec
130 ms
125 ms
USB 2.0
FlextraSpeed
TM
Technology
FlextraLink
TM
Technology
P-CAV Recording Technology
2 MB
12 cm or 8 cm diameter, 1.2 mm thick
DVD-5, DVD-9, DVD-10, DVD-18, DVD-ROM,
DVD-R, DVD-RW, DVD-Video, DVD+RW, DVD+R
Audio CD, CD-ROM/XA, Video CD, CD-I, I-trax,
Multi-session Photo CD, Karaoke CD, and CD-Extra
Track-at-Once, Disc-at-Once, Session-at-Once,
Packet Write
129.0 (w) x 142.0 (d) x 16.0 mm (h)
250 g
SpeedsSpeeds
SpeedsSpeeds
Speeds
CD-R WriteCD-R Write
CD-R WriteCD-R Write
CD-R Write
CD-RW WriteCD-RW Write
CD-RW WriteCD-RW Write
CD-RW Write
CD ReadCD Read
CD ReadCD Read
CD Read
DVD ReadDVD Read
DVD ReadDVD Read
DVD Read
Random access timeRandom access time
Random access timeRandom access time
Random access time
DVDDVD
DVDDVD
DVD
CDCD
CDCD
CD
InterfaceInterface
InterfaceInterface
Interface
Technology supportTechnology support
Technology supportTechnology support
Technology support
Buffer memory sizeBuffer memory size
Buffer memory sizeBuffer memory size
Buffer memory size
Application discsApplication discs
Application discsApplication discs
Application discs
DVDDVD
DVDDVD
DVD
CDCD
CDCD
CD
Writing modeWriting mode
Writing modeWriting mode
Writing mode
DimensionsDimensions
DimensionsDimensions
Dimensions
MassMass
MassMass
Mass

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2.22.2
2.22.2
2.2 FeaturesFeatures
FeaturesFeatures
Features
The ASUS SCB-2424A-U is an External Slim CD-RW/DVD-ROM drive with
24x CD-Write, 24x CD-ReWrite, 24x CD-Read and 8x DVD-Read capabilities.
The drive complies with the Universal Serial Bus 2.0 (USB 2.0) specification
and comes equipped with the latest innovative technologies in CD
recording.
ASUS External Slim CD-RW/DVD-ROM drives are accentuated by the latest
innovations in CD-recording technology including
FlextraSpeed
TM
,
FlextraLink
TM
, and P-CAV (Partial Constant Angular Velocity).
The following sections describe these technologies in detail.
FlextraSpeed™FlextraSpeed™
FlextraSpeed™FlextraSpeed™
FlextraSpeed™
technologytechnology
technologytechnology
technology
The ASUS FlextraSpeed ™ technology provides the optimum solution to
ensure quality recording when using discs that require flexible speeds. The
drive employs this technology that allows automatic recording speed
adjustment based on the recording media.
In addition to the fact that there are low and high quality recording media,
various other factors such as dye layer, temperature, humidity, dust,
fingerprints, etc., affect the recording characteristics of CD-R and CD-RW
discs. Due to these factors, some discs may not be able to stand the
high-speed capabilities of the latest CD-RW drives. The
FlextraSpeed ™
technology solves this problem by automatic assessment of the disc
quality and recording capability. The recording speed is based on these
factors. If you use a high quality recording disc, you can maximize the
recording capability of the drive and get the best quality output. If you use
a low quality disc, the drive speed adjusts to the level that is most
appropriate for the disc, still optimizing the disc recording capability.
The
FlextraSpeed ™ technology also helps maintain the CD-RW drive
because of the controlled motor rotation speeds and reduced noise caused
by spindle air, thus prolonging the drive motor’s life and ensuring high-
quality recording.

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FlextraLink™FlextraLink™
FlextraLink™FlextraLink™
FlextraLink™
technologytechnology
technologytechnology
technology
The ASUS FlextraLink ™ technology provides a seamless combination of
flexibility and ultra-reliable recording quality.
FlextraLink ™ incorporates a flexible strategy that prevents buffer underrun
problems caused by an empty data buffer. This CD-RW drive technology
allows continuous monitoring of the data buffer status during the write
process. Once the available data drops to approximately 1% of the total
buffer capacity, the drive stops recording and marks the last write position.
When new data is received from the host, it is loaded to the data buffer,
and the laser is repositioned to link the new data with the data already
written. FlextraLink ™ uses minimal system resources so that your PC
remains fully operational throughout the writing process, and available for
other applications.
The diagram below shows the advantage of the
FlextraLink ™ recording
technology.
Data transfer
slows down
Buffer
Memory
Write process
continues
Write Data
Data
Data transfer slower
than write process
Bad disc results
Data
Buffer
Memory
Empty
Data transfer continues
and fills buffer with
sufficient data for writing
Buffer
Memory
Write process continues
until writing is complete
Data
Write Data
Write Data
Buffer
Memory
Data
Data transfer
slows down
Buffer
Memory
Write process stops;
waits until there is
enough data for writing
Data
Write Data
Recording with
FlextraLink™
Technology
Conventional
Recording
FlextraLink™ technology solution

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Partial Constant Angular Velocity (P-CAV) technologyPartial Constant Angular Velocity (P-CAV) technology
Partial Constant Angular Velocity (P-CAV) technologyPartial Constant Angular Velocity (P-CAV) technology
Partial Constant Angular Velocity (P-CAV) technology
The Partial Constant Angular Velocity (P-CAV) recording method is a
combination of the Constant Angular Velocity (CAV) and Constant Linear
Velocity (CLV) recording technologies. In CAV recording technology, the
drive maintains a consistent rotation speed which will result in a variable
transfer rate, while in CLV recording technology, the data transfer rate is
kept at a fixed level by changing the rotation speed.
P-CAV recording technology switches from CAV to CLV once the maximum
transfer rate is reached. Unlike Zone Constant Linear Velocity (Z-CLV)
recording, no links are produced in the P-CAV recording process, resulting
in a higher average transfer rate.
The following illustration shows the Partial Constant Angular Velocity
(P-CAV) recording technology.
Speed
32x
24x
16x
12x
8x
4x
0x Time
10x
Partial CAV

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Top coverTop cover
Top coverTop cover
Top cover
1. STOP/OPEN button
This button has two functions. When power is ON, pressing this
button opens the top cover. While in PLAY mode, pressing this button
stops the disc in the drive.
2. PLAY/SKIP button
This button has two functions. When the drive is idle, press this
button to start playing a loaded audio disc from the first track. While
in the PLAY mode, press this button to skip to the next track on the
disc.
Left side panelLeft side panel
Left side panelLeft side panel
Left side panel
3. 5V Power port
This port is for the AC adapter plug.
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1
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6. Headphone port
This port allows you to connect a headphone with a stereo mini-plug.
7. Headphone volume dial
Controls the volume on the connected headphone. Turn left to
increase or right to decrease the volume.
8. USB port
This port connects the supplied USB plug and cable.
4. Power switch
Turns the drive ON or OFF. Move the switch to the left turns on the
drive. Move the switch to the right turns off the drive.
5. Power/Read/Write indicator
This LED flashes green when
• the drive is turned ON
• the drive is reading data from a disc
• a USB connection is established
The LED flashes red when the drive is writing data on a disc. The LED
turns off when the drive is off.
Rear panelRear panel
Rear panelRear panel
Rear panel
U
Right side panelRight side panel
Right side panelRight side panel
Right side panel
Front panelFront panel
Front panelFront panel
Front panel
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55
5
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77
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3. Installation
3.13.1
3.13.1
3.1 System requirementsSystem requirements
System requirementsSystem requirements
System requirements
Before installing and using the SCB-2424A-U, make sure that your system
meets the following requirements.
For Notebook or PCFor Notebook or PC
For Notebook or PCFor Notebook or PC
For Notebook or PC
• IBM-compatible Intel
®
Pentium
®
II 333 MHz or higher PC
• Windows
®
98 SE/Me/2000/XP operating system
• At least 64 MB RAM (128 MB recommended)
For MacintoshFor Macintosh
For MacintoshFor Macintosh
For Macintosh
®®
®®
®
• PowerPC
™
Processor (G3, G4 or G4 Dual)
• Mac OS
®
• 128 MB of RAM
Do not use damaged or warped disc in the drive. The disc may break
during use and may cause potential body injury or damage to your drive.

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3.23.2
3.23.2
3.2 Connecting the drive cablesConnecting the drive cables
Connecting the drive cablesConnecting the drive cables
Connecting the drive cables
1. Insert the USB cord - B series plug into the USB port of the drive
2. Insert the USB cord - A series plug into a notebook, PC or MAC USB
port.
3. Insert the power adapter plug into the DC IN socket of the drive.
4. Connect the the other end of the power adapter cable to a wall
socket. If necessary, use an adapter plug to fit the power outlet in
your area.
All the cable plugs are slotted to fit in only one orientation. If a plug
does not fit in, try reversing it. DO NOT use too much force when fitting
the cable plugs.
Notebook or PCNotebook or PC
Notebook or PCNotebook or PC
Notebook or PC
USB 2.0 cable andUSB 2.0 cable and
USB 2.0 cable andUSB 2.0 cable and
USB 2.0 cable and
plugplug
plugplug
plug
SCB-2424A-USCB-2424A-U
SCB-2424A-USCB-2424A-U
SCB-2424A-U
DC IN socketDC IN socket
DC IN socketDC IN socket
DC IN socket
Power adapter plugPower adapter plug
Power adapter plugPower adapter plug
Power adapter plug

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3.33.3
3.33.3
3.3 Driver installationDriver installation
Driver installationDriver installation
Driver installation
For WindowsFor Windows
For WindowsFor Windows
For Windows
®®
®®
®
98 SE98 SE
98 SE98 SE
98 SE
Windows 98
®
Second Edition users need to install the SCB-2424A-U driver
on the system before using the drive. A device driver is a software program
that makes a device work on an operating system (OS).
To install the driver:
1. Check if all cables between the drive and the notebook or PC are
properly connected.
2. Turn on the notebook or PC.
3. Insert the installation CD into the CD-ROM drive of your notebook or
PC.
4. Turn on the drive.
5. The OS automatically detects a
new hardware after restarting.
Click NextNext
NextNext
Next.
7. Specify the location of the driver.
Click BrowseBrowse
BrowseBrowse
Browse to locate the .INF
driver file.
6. Select the recommended option to
allow Windows
®
to search the
driver. Click NextNext
NextNext
Next.

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8. Locate the folder
“USB_RW_Driver” in the
CD-ROM drive. Click OKOK
OKOK
OK.
9. The specific location of the
device driver appears on the Add
New Hardware Wizard window.
Click NextNext
NextNext
Next.
10. Windows
®
automatically displays
the location of the driver and
detects the driver file name,
which has an INF extension. Click
NextNext
NextNext
Next to install the device
drivers on the system.
11. After the driver installation is
completed, click FinishFinish
FinishFinish
Finish to start
using the drive.

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For Mac OSFor Mac OS
For Mac OSFor Mac OS
For Mac OS
®®
®®
®
Mac OS
®
users need to install the driver for the Mac
®
to recognize the new
hardware installed.
To install the driver:
1. Start up your Mac
®
.
2. Insert the bundled software CD in the CD drive of your Mac
®
.
3. Open the folder “ASUS MSC Driver Installer.”
4. Double click on the icon “Install ASUS MSC Driver.”
5. A window displaying the progress of the installation process appears.
Press StopStop
StopStop
Stop if you want to abort installation.
6. After all the device drivers are installed in your system, a confirmation
box appears. Click OKOK
OKOK
O K. You may start using your SCB-2424A-U drive!

2020
2020
20 ASUS SCB-2424A-U external slim combo driveASUS SCB-2424A-U external slim combo drive
ASUS SCB-2424A-U external slim combo driveASUS SCB-2424A-U external slim combo drive
ASUS SCB-2424A-U external slim combo drive
3.43.4
3.43.4
3.4 Checking the drive in the systemChecking the drive in the system
Checking the drive in the systemChecking the drive in the system
Checking the drive in the system
To make sure your computer recognizes the drive, follow these steps to
check the computer.
For WindowsFor Windows
For WindowsFor Windows
For Windows
®®
®®
®
OS:OS:
OS:OS:
OS:
1. Right-click My ComputerMy Computer
My ComputerMy Computer
My Computer icon on your desktop.
2. On the pop-up menu, click PP
PP
Prr
rr
ropertiesoperties
opertiesoperties
operties.
3. Click the HardwareHardware
HardwareHardware
Hardware tab on
the system properties window.
4. Click Device Manager.Device Manager.
Device Manager.Device Manager.
Device Manager.
Screen displays may vary depending on the operating system (OS)
version.
5. Double-click on CD-ROMCD-ROM
CD-ROMCD-ROM
CD-ROM from the list.