Sony RMO-S594 User manual

User’s Guide
Mode d’emploi
Bedienungsanleitung
Guía del usuario
Istruzioni per l’uso
RMO-S594
-DW
MO Disk Unit RMO-S591
-DW
3-860-688-11(1)

Sony Corporation Printed in Japan © 1997
RMO-S594
-DW
MO Disk Unit RMO-S591
-DW

2
CAUTION:
TO PREVENT ELECTRIC SHOCK, DO
NOT USE THIS POLARIZED AC PLUG
WITH AN EXTENSION CORD,
RECEPTACLE OR OTHER OUTLET
UNLESS THE BLADES CAN BE FULLY
INSERTED TO PREVENT BLADE
EXPOSURE.
This MO disk unit is classified as a CLASS 1
LASER PRODUCT.
The CLASS 1 LASER PRODUCT
label is located on the bottom exterior.
CLASS 1
LASER PRODUCT
LASER KLASSE 1
PRODUKT 4-627-223-01
NOTICE
Use the power cord set approved by the
appropriate testing organization for the
specific countries where this unit is to be used.
Owner’s Record
The model and serial numbers are located on the
bottom of the unit. Record the serial number in
the space provided below.
Refer to them whenever you call upon your Sony
dealer regarding this product.
Model No. RMO-S594-DW, RMO-S591-DW
Serial No._________________________
Information
For the customer in the 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.
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 the
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 into 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.
This device requires shielded interface cables to
comply with FCC emission limits.
Safety Regulations
WARNING
To prevent fire or shock hazard,
do not expose the unit to rain or
moisture.
To avoid electrical shock, do not
open the cabinet. Refer servicing
to qualified personnel only.
CAUTION
As the laser beam used in the RMO-S594-
DW/S591-DW is harmful to the eyes, do not
attempt to disassemble the unit.
Refer servicing to qualified personnel only.
This label is affixed inside the unit.
DANGER LASER RADIATION WHEN OPEN.
AVOID DERECT EXPOSURE TO BEAM.
DANGER RADIATIONS DU LASER EN CAS D’OUVERTURE.
EVITER TOUTE EXPOSITION DIRECTE AU FAISCEAU.
VORSICHT LASERSTRAHLUNG. WENN ABDECKUNG
GEöFFNET. NICHT DEM STRAHL AUSSETZEN.
4-630-960-01

Table of Contents 3
Table of Contents
Using this Guide ......................................... 4
Chapter 1 Introduction
Overview .................................................... 5
Features....................................................... 5
Compatible Disks ....................................... 6
System Configuration ................................. 6
Location and Function of Parts ............... 7
Front Panel.................................................. 7
Rear Panel................................................... 8
Chapter 2 Getting Started
Component and Accessory Check List .. 9
Connecting the Disk Unit ....................... 10
Setting the SCSI ID.................................. 11
Setting the Disk Unit’s Functions.......... 11
Chapter 3 Using the Disk Unit
Inserting a Disk Cartridge ...................... 13
Ejecting a Disk Cartridge........................ 14
Chapter 4 Precautions
On the Disk Unit ...................................... 15
Safety Considerations ............................... 15
Damage Prevention .................................. 15
Other Points Requiring Attention ............. 16
On the Disk Cartridges ........................... 16
Protecting Your Data ................................ 17
Cleaning ................................................... 17
Cleaning a Disk ........................................ 17
Appendix
Specifications.......................................... 18
Disk Unit .................................................. 18
Optional Accessories ................................ 19
LUOKAN 1 LASERLAITE
KLASS 1 LASER APPARAT
VAROITUS!
Laitteen käyttäminen muulla kuin tässä
käyttöohjeessa mainitulla tavalla saattaa altistaa
käyttäjän turvallisuusluokan 1 ylittävälle
näkymättömälle lasersäteilylle.
VARNING
Om apparaten används på annat sätt än i denna
bruksanvisning specificerats, kan användaren
utsättas för osynlig laserstrålning, som
överskrider gränsen för laserklass 1.
ADVARSEL USYNLIG LASERSTRÅLING VED ÅBNING, UNDGÅ UDSÆTTELSE FOR STRÅLING.
ADVARSEL USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES, UNNGÅ EKSPONERING FOR STRÅLEN.
VARNING OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD, STRÅLEN ÄR FARLIG.
VARO! AVATTAESSA OLET ALTTIINA NÄKYMÄTÖN LASERSÄTEILYLLE, ÄLÄ KATSO SÄTEESEN.
4-625-571-02
Denne merkelappen er festet på apparatets
innside.
Denna varningsskylt finns inuti apparaten.
Denne mærkat sidder indeni apparatet.
Tmä tarra on kiinnitetty laitteen sisään.
Tekniske Data
■Laser
Type Halveder GaAlAs
laser
Bølgelengde 685 nm ±10 nm
Maksimum utgang 30 mW
Specifikationer
■Laser
Typ Halvledarlaser av typ
GaAlAs
Våglängd 685 nm ±10 nm
Maximal uteffekt 30 mW
Specifikationer
■Laser
Type Halvlederlaser
GaAlAs laser
Bølgelængde 685 nm ±10 nm
Max. udgangseffekt 30 mW

4Table of Contents
Using this Guide
This guide covers the use and operation of the
RMO-S594-DW/S591-DW Magneto-Optical
Disk Unit (called the “disk unit” thereafter). Do
not attempt to use the disk unit without first
carefully reading this guide. When finished, keep
it handy for future reference.
The guide is divided into the following sections.
Chapter 1 Introduction
This chapter contains a general overview of the
RMO-S594-DW/S591-DW disk unit, touching
upon its features, system configuration, and the
location and function of its parts.
Chapter 2 Getting Started
This chapter explains how to connect the disk
unit to the host computer and other SCSI
peripheral devices. It also explains how to set the
disk unit’s functions and the SCSI ID. Refer to
this chapter when setting up the disk unit.
Chapter 3 Using the Disk Unit
In this chapter, you learn how to turn on the disk
unit, and how to insert and eject a disk cartridge.
Refer to this chapter when you are ready to
actually begin using the disk unit.
Chapter 4 Precautions
This chapter contains precautions regarding the
use and operation of the disk unit and magneto-
optical disk cartridges.
It also discusses cleaning of disks.
Be sure to refer to this chapter before using the
disk unit.
Appendix
The Appendix contains an explanation of the disk
unit’s main specifications.
Notes:
• The manufacturer disclaims all responsibility
for any losses incurred through malfunction or
use of this product.
• The manufacturer does not warrant the security
of data stored using this product. To guard
accidental data loss, frequent backup of
important data is highly recommended.
• Reproduction of the contents of this manual, in
whole or in part, is prohibited.

Chapter 1 Introduction 5
Chapter 1 Introduction
Overview
Features
The RMO-S594-DW/S591-DW Magneto-Optical
Disk Unit has the following features:
• Magneto-optical technology enables repeated
writing and erasing of data on the disk.
• The disk unit automatically senses the type of
disk being inserted, enabling the free use of
both 650-Mbytes (594-Mbytes), 1.3-Gbytes
(1.2-Gbytes) and 2.6 Gbytes (2.3 Gbytes)disks
indifferently.
• Direct-Overwrite MO disks can be used. The
writing performance of this disk unit is 1.5 to
2.0 times faster than that of the earlier MO Disk
Unit.
• A maximum of 2.6 Gbytes (1,024 bytes/sector)
or 2.3 Gbytes (512 bytes/sector) of data can be
written on the two sides of a 5.25-inch magneto-
optical disk. This is equivalent to about 1600–
1800 times the capacity of a conventional 3.5-
inch floppy disk (2HD).
• Any disk conforming to the internationally
accepted CCS (continuous/composite servo) or
CCW (continuous composite write-once) format
can be used in this disk unit.
• This disk unit employs SCSI-2 (Small
Computer System Interface-2).
• The 3,600 min-1 (3,600 rpm) high-speed
spindle motor enables data transfer rates of
2.03 – 4.06 Mbytes/s (1,024 bytes/sector) or
1.78 – 3.56 Mbytes/s (512 bytes/sector).
• The low-profile, light-weight optical pick-up
yields average seek times of 25ms.
• Use of a highly reliable error correction code
(ECC) system keeps the error rate as low as
10-12.
• Optimum operation environment is provided
through use of a large, 4MB(S594-DW)/
1MB(S591-DW) buffer and optimized cache
control algorithm. (Write cache can be enabled
or disabled. For details, see “Setting the Disk
Unit’s Functions” on page 11.)

6Chapter 1 Introduction
System Configuration
The disk unit should be used with a host
computer equipped with SCSI.
A maximum of seven peripheral devices can be
linked in a daisy chain on the SCSI bus, and
controlled with SCSI-2 commands.
Fig. 1-1: System Configuration Example
Host computer
SCSI cable
RMO-S594-DW/S591-DW disk unit SCSI peripheral devices
Compatible Disks
The RMO-S594-DW/S591-DW can use the following Sony 5.25-inch MO Disks:
Standard Sector format Type* Capacity Sony equivalent
ISO/IEC CD 14517 1024 bytes/sector R/W(DW) Approx. 2.6 G bytes DOM-2600B
ISO/IEC CD 14517 512 bytes/sector R/W(DW) Approx. 2.3 G bytes DOM-2300B
ISO/IEC CD 14517 1024 bytes/sector R/W About 2.6 G bytes EDM-2600B
ISO/IEC CD 14517 512 bytes/sector R/W About 2.3 G bytes EDM-2300B
ISO/IEC 13549 1024 bytes/sector R/W About 1.3 G bytes EDM-1300B
ISO/IEC 13549 512 bytes/sector R/W About 1.2 G bytes EDM-1200B
ISO/IEC 10089 1024 bytes/sector R About 650 M bytes EDM-650B
ISO/IEC 10089 512 bytes/sector R About 600 M bytes EDM-600B
ISO/IEC CD 14517 1024 bytes/sector WO About 2.6 G bytes CWO-2600B
ISO/IEC CD 14517 512 bytes/sector WO About 2.3 G bytes CWO-2300B
ISO/IEC 13549 1024 bytes/sector WO About 1.3 G bytes CWO-1300B
ISO/IEC 13549 512 bytes/sector WO About 1.2 G bytes CWO-1200B
ISO/IEC 11560 1024 bytes/sector R About 650 M bytes CWO-650B
ISO/IEC 11560 512 bytes/sector R About 600 M bytes CWO-600B
*R/W(DW):Rewritable(Direct-Overwrite MO), R/W:Rewritable(MO), WO:Write Once, R:Read Only

Chapter 1 Introduction 7
Location and Function of Parts
Front Panel
EJECT
POWER
BUSY
123456
Fig. 1-2: Front View
1POWER switch
Push the button to turn the power on and off.
The power is on when the button is in the
depressed position, and off when fully
protruding.
2POWER indicator
The green lamp lights up when the power is
turned on.
3BUSY indicator
As this disk is inserted and the drive becomes
ready for read/write operation, the BUSY
indicator turns green. The orange lamp lights
up when the disk unit is accessing or writing
data. This lamp flashes on and off at about 2-
second intervals when the unit overheats,
regardless of whether or not a disk is being
accessed.
4Disk insertion slot
Insert the disk cartridge into this slot. Refer
to the section “Inserting a Disk Cartridge” on
page 13 for more information.
5Emergency eject hole
If the disk cartridge cannot be ejected using
the EJECT button 6, turn off the power and
insert the supplied emergency eject tool into
this hole to trip the emergency eject
mechanism. Refer to the section “What to do
if the disk does not eject” on page 14 for
further details.
6EJECT button
Press this button to eject the disk cartridge
from the disk unit. The EJECT button is
disabled with the function switch or software
settings prohibit ejection. When the write
cache is enabled, it may take a few moments
(up to 45 seconds) for the disk to eject
because data in the cache must first be
written to the disk.

8Chapter 1 Introduction
Rear Panel
A
1BCDEFGH
0
SCSI CONNECTOR
AC IN
F.GND
SCSI ID
123456
Fig 1-3: Rear View
1Function switches
Use this switches to set the disk unit’s
functions in accordance with the host
computer and software being used. Refer to
the section“Setting the Disk Unit’s
Functions” on page 11 for more information.
2SCSI ID switch
Use these switches to set the SCSI ID. Push
the “–” button to lower the ID number; push
the “+” button to raise the ID number. Refer
to the section“Setting the SCSI ID”on page
11 for more information.
3SCSI connectors
Plug SCSI cables (sold separately) linking
the host computer and other SCSI peripherals
into these connectors.
Note:
If the disk unit is the last device on the SCSI
chain, set function switch F to “1” to turn on
the internal terminator. When it is not the last
device, make sure that the terminator is off
(switch F is set to “0”).
4Air duct
The air for cooling the disk unit flows
through this duct, so be careful not to block
its surface or impede the outflow.
5F.GND (frame ground) terminal
Connect the ground terminals of other
devices to the disk unit’s frame ground.
6AC IN (AC power) connector
Connect the supplied AC power cord to this
connector.

Chapter 2 Getting Started 9
Chapter 2 Getting Started
Before setting up your RMO-S594-DW/S591-
DW Magneto-Optical Disk Unit, check to see
that you have all the required components and
accessories. Then, connect the disk unit to the
host computer and any other SCSI peripherals
you may be using. After checking to see that all
the connections have been properly made, set the
SCSI ID using the SCSI ID switch and the disk
unit’s functions using the function switches.
• RMO-S594-DW/S591-DW Magneto-Optical
Disk Unit
• AC power cord
• Emergency eject tool
• User’s Guide
• Guide to Safe Use (Safety Precautions)
Component and Accessory Check List
Upon opening the carton, check to see that you
have all of the components and accessories listed
below. Contact your dealer immediately if you
find any missing or damaged items.
RMO-S594-DW/S591-DW Emergency eject tool AC Power cord
Magneto-Optical Disk Unit
Fig 2-1: Items in the Package

10 Chapter 2 Getting Started
You can hook up a maximum of seven SCSI
peripheral devices to a single host computer
through its SCSI bus.
Use either of the following Sony SCSI cable
(sold separately) to connect the disk unit.
• MOA-C08 (80 cm, full pitch⇔full pitch)
Notes:
• Before connecting the disk unit, be sure to turn
off the disk unit and all other devices on the
SCSI chain.
• If the disk unit is the last device on the SCSI
chain, set the function switch F on the rear
panel to “1” to turn on the internal terminator.
When it is not the last device, make sure that the
terminator is off (function switch F is set to
“0”).
• The total length of the SCSI cables connected to
a SCSI chain must not exceed six meters (19
feet 8 1/4 inches).
Connecting the Disk Unit
A
1BCDEFGH
0
SCSI CONNECTOR
AC IN
F.GND
SCSI ID
Fig 2-2: Connecting the RMO-S594-DW/S591-DW
to SCSI connector to AC IN
connector
AC power cord
(supplied)
SCSI cable
(sold separately)
SCSI cable
(sold separately)
to another
SCSI device to the host computer or another SCSI device to an AC outlet
RMO-S594-DW/S591-DW Magneto-Optical Disk Unit

Chapter 2 Getting Started 11
Setting the SCSI ID
The factory default setting for the SCSI ID is “0.”
If necessary, this ID number can be changed
using the SCSI ID switch on the rear panel. Be
sure to turn off the power before making any
changes.
Pushing the “+” button raises the ID number;
pushing the “–” button lowers the ID number.
Notes:
• The disk unit will not operate properly unless
the SCSI ID has been set correctly.
• Make sure to select a SCSI ID that has not been
assigned to another SCSI device.
0
Fig 2-3: SCSI ID Switch
Setting the Disk Unit’s Functions
Use function switches (A – H) on the rear panel
to select the disk unit’s functions in accordance
with the host computer and software you are
using. Be sure to turn off the power before setting
the switches.
A
1BCDEFGH
0
Fig 2-4: Function Switches
This disk unit is equipped with a write cache.
When the write cache is enabled, never turn off
the disk unit power without making sure that all
data has been written to the disk from cache
memory. Data will be lost if you turn off the
power before all data in cache memory has been
written to the disk.
Before powering off the disk unit, be sure to eject
the disk. Ejecting the disk writes data from cache
memory to the disk.
Note:
Even though the drive will flush data periodically
to the disk, data may be lost in the case of a
power failure.

12 Chapter 2 Getting Started
Table 2-1: Function Switch Settings
Switch Function 10
A Parity check SCSI parity check is disabled. SCSI parity check is
enabled.
B Device type Peripheral device type Peripheral device type
00H 07H
(Direct Access Device) (Optical Memory Device)
C Write cache control Disable write cache. Enable write cache.
D Fast SCSI control Fast SCSI compatible Not Fast SCSI compatible
E Force verify All write operations are verfied. All write operations are
normal operations.
(with a verify pass) (without a verify pass)
F Terminator The internal terminator is on. The internal terminator is off.
G Auto spin up Inserting a disk does not causes Inserting a disk causes
the spindle motor to rotate. the spindle motor to rotate.
H Manual eject Disk catridge cannot be ejected Disk cartridge can be
by pressing the EJECT button. ejected by pressing the
EJECT button
: Factory setting

Chapter 3 Using the Disk Unit 13
Use the following Sony 5.25-inch MO disks in
your RMO-S594-DW/S591-DW disk unit.
• DOM-2600B (1,024 bytes/sector, 2.6 Gbytes)
• DOM-2300B (512 bytes/sector, 2.3 Gbytes)
• EDM-2600B (1,024 bytes/sector, 2.6 Gbytes)
• EDM-2300B (512 bytes/sector, 2.3 Gbytes)
• EDM-1300B (1,024 bytes/sector, 1.3 Gbytes)
• EDM-1200B (512 bytes/sector, 1.2 Gbytes)
• CWO-2600B (1,024 bytes/sector, 2.6 Gbytes )
• CWO-2300B (512 bytes/sector, 2.3 Gbytes)
• CWO-1300B (1,024 bytes/sector, 1.3 Gbytes)
• CWO-1200B (512 bytes/sector, 1.2 Gbytes)
1Press the POWER switch located on the left
side of the front panel.
This turns on the disk unit and causes the
POWER indicator to light up.
Fig 3-1: Turning on the Disk Unit
2Start up the host computer. Refer to the
manual supplied with the host computer for
the start up procedure.
Chapter 3 Using the Disk Unit
Inserting a Disk Cartridge
3Insert a disk cartridge with the side you want
to use facing upwards.
Fig 3-2: Inserting a Disk Cartridge
4Access or write data on the disk using
software commands on the host computer.
The BUSY indicator lights up while the unit
is accessing the disk.
■What to do if the disk unit stops
operating
When the temperature in the disk unit exceeds
the preset level, the BUSY indicator starts
flashing on and off at about 2-second intervals,
regardless of whether or not a disk is being
accessed, and the disk unit stops operating.
If this happens, you should improve the
ventilation of a setting area.
If the disk unit still refuses to operate, unplug the
unit and contact your dealer.
To use Side A, insert the
disk with “A” facing
upward.
Press th POWER
switch

14 Chapter 3 Using the Disk Unit
Ejecting a Disk Cartridge
Eject the disk cartridge either by using software
commands or by pressing the EJECT button.
Fig 3-3: Ejecting the Disk Cartridge Using the EJECT
button
Note
Do not attempt to eject a disk cartridge while the
BUSY indicator is lit orange (except when it is
flashing at about 2-second intervals due to
overheating). Ejecting the disk while it is being
accessed may cause data write errors or may
result in loss of data.
Also, it may take a few moments (up to 45
seconds) for the disk to eject when the write
cache is enabled, because data in the cache must
first be written to the disk.
■What to do if the disk does not
eject
The disk cartridge may not come out, even when
you press the EJECT button or use a software
command, under the following conditions:
• The eject function has been disabled using the
function switch or a software command;
• The host computer is not functioning properly;
• The disk unit has been turned off (due to a
power failure, etc.); or
• Something is wrong with your disk unit itself.
When you cannot eject the disk cartridge using
the EJECT button or software commands,
remove it as follows.
1Turn off the disk unit if the power is still on.
2Insert the emergency eject tool (or a paper
clip) straight into the emergency eject hole to
trip the manual ejection mechanism.
Fig 3-4: Inserting the Emergency Eject Tool
This should cause the disk cartridge to eject.
Caution
The tip of the emergency eject tool is sharp.
When handling the tool, please be careful to
avoid injury.
EJECT button
Emergency
eject
Tool(supplied)
Insert into the
emergency eject hole.

Chapter 4 Precautions 15
Chapter 4 Precautions
On the Disk Unit
Safety Considerations
■Power supply
• Be sure to use 100 - 240V AC.
• DonotsharetheACoutletwithanyother
power-consumingequipmentsuchascopying
machinesorshredders.
■AC power cord
• Becarefulnottoplaceordropheavyobjecton
thepowercord,orsubjectittoanythingthat
maydamageit.
• WhenunpluggingthecordfromanACoutlet,
besuretograsptheplugitself.Pullingonthe
cordmaycausedamagetotheinternalwiring.
• Unplugtheunitwhennotusingitforlong
periodoftime.
■Handling the emergency eject tool
Thetipoftheemergencyejecttoolissharp.
Whenhandlingthetool,pleasebecarefulto
avoidinjury.Donotusethetoolforanypurpose
otherthanejectingdisks.
Damage Prevention
■Do not subject the disk unit to
shock or vibration
Droppingtheunitorsubjectingittostrong
impactmaydamagethediskunit.
■Setting position
Thediskunitisdesignedtobeusedinthe
horizontalposition.Donotpositionitatanangle.
■Location requirements
Carefulconsiderationshouldbegiventothe
followinginselectingasitetoinstallorstore
yourdiskunit.
Avoidthefollowingconditions:
• Highhumidity
• Hightemperatures
• Directsunlight
• Dust
• Strongvibration
• Widetemperaturefluctuations
■Ventilation
Careshouldbeexercisedtopreventtheinternal
mechanismsofthediskunitfromoverheating.
Becarefulnottoclogorblockthevent,orplace
theunitinanareawithpoorventilation.Thedisk
unitmaystopoperatingaltogetheriftheinternal
temperaturebecomestoohigh.
■Condensation
Avoidsubjectingthediskunittoextremesin
temperature.If,forexample,thediskunitis
movedsuddenlyfromaverycoldlocationtoa
warmone,moisturefromcondensationmayform
withintheunitduetothequickriseinambient
temperature.Ifasuddenchangeinthe
temperaturecannotbeavoided,waitforanhour
ormorebeforeusingthediskunit.Insertinga
diskcartridgeintothemechanismwhenmoisture
ispresentmaycausedamagetoboththediskand
thediskunit.Removethediskcartridge
immediatelyifyoususpectanycondensation
problems.Themoistureshouldevaporatequickly
ifthediskunitisleftonwithoutadiskinserted.

16 Chapter 4 Precautions
■Moving the disk unit
Besuretoremovethediskcartridgewhenthe
diskunitisnotbeingused.Alsonevermoveor
transporttheunitwiththediskcartridgestill
inserted.
Whileinoperation,thediskrotatesatahigh
speed.Movingthediskunitatsuchatimemay
disturbthespinningdiskandcauseittobe
damaged.Alwaysremovethediskcartridge
beforemovingyourdiskunit.
■If problems occur
Ifanyproblemsoccur,turnoffthepowerand
unplugthediskunit,contactyourdealer.
Other Points Requiring Attention
■Electrical noise
Thehigh-frequencysignalgeneratedbythedisk
unitmaycauseinterferenceorstaticonother
electricalappliancessuchasradios,televisions
andaudiotuners.Ifthisshouldoccur,movethe
diskunitalittlefartherawayfromtheaffected
appliance.
■Maintenance
Cleanthecabinetwithadrysoftcloth,orwitha
softclothlightlymoistenedwithamilddetergent
solution.Donotuseanytypeofsolvent,suchas
alcoholorbenzine,whichmaydamagethefinish.
On the Disk Cartridges
• Donotdropthediskcartridgeorsubjectitto
anyviolentshocksorvibration.
• Donotdisassemblethediskcartridge.Itisa
precisioncomponentandhasbeencarefully
adjustedatthefactorypriortoshipment.
• Donotopenthediskcartridge’sshutter
manuallyortouchthediskinside.Theshutteris
designedtoopenautomaticallywhenthe
cartridgeisinsertedintothediskunit.
• Donotusethecartridgeunderambient
conditionsofhighhumidityorwide
temperaturefluctuations.Moisturefrom
condensationmaymakeitimpossibletoreador
writedata.
• Avoidinsertingandejectingthediskcartridge
morethanisnecessary.
• Alwaysejectandremovethediskcartridge
fromthediskunitafterusingit.
■Storing disk cartridges
• Storethediskcartridgesintheircases.
• Donotleavethecartridgesexposedtodirect
sunlightorexcessiveheat,likeonthedashboard
orintheglovecompartmentofanautomobile.
Donotstorethediskcartridgesunderthe
followingconditions.
–Excessivedustanddebris
–Exposuretodirectsunlight
–Nearaheatsource
–Highhumidity

Chapter 4 Precautions 17
Protecting Your Data
Themagneto-opticaldiskcartridgesareequipped
withaDATAPROTECTswitch(redtab)to
preventaccidentalerasureofdataonthediskor
inadvertentwritingofunwanteddata.Slidethis
switchinthedirectionofthearrowasillustrated
belowtoenablethewriteprotectfunction.
Fig 4-1: Write Inhibit Position
Cleaning
DATA PROTECT
switch
Youcanstillreadthedatacontainedonthe
disk,butwillnotbeallowedtowriteonorerase
thedisk.Returntheswitchtoitsoriginal
positiontodisablethewriteprotect.
Makeitapracticetoleavethewriteprotection
enabledwhenyoudonotforeseetheneedto
writeonthedisk.
Cleaning a Disk
DustandstainsmayaccumulateonMOdisks
whentheyareusedforalongperiodoftime.To
avoidresultantdataread/writeerrors,usean
optionaldiskcleaner.Tomaintainthehigh
performanceandprolongtheusefullifeofyour
MOdisk,cleaningatleastonceeverythree
monthsisrecommended.
■Disk cleaning accessories
UsethefollowingSonydiskcleaningkitordisk
cleaner(soldseparately).
• MOA-D51DiskCleaningKit
Donotuseanyothertypeofdiskcleanerasit
maycausedataread/writeerrorsduetothe
differencesindisksurfacecharacteristics.For
cleaninginstructions,refertothemanual
suppliedwitheachcleaningaccessory
Attention:
Inthe diskunit,preventivemeasuresaretakento
guardagainstdust.Itis unnecessarytocleanthe
opticallensofyourdiskunit.Usingalens
cleaningcartridgemaydamagethediskunit.

18 Appendix
Appendix
Specifications
Disk Unit
■Performance
Capacity (formatted)
Per disk
2.6 Gbytes (ZCAV 1,024 bytes/sector)
2.3 Gbytes (ZCAV 512 bytes/sector)
1.3 Gbytes (ZCAV 1,024 bytes/sector)
1.2 Gbytes (ZCAV 512 bytes/sector)
Per side
1.3 Gbytes (ZCAV 1,024 bytes/sector)
1.15 Gbytes (ZCAV 512 bytes/sector)
652.3 Mbytes (ZCAV 1,024 bytes/sector)
595.6 Mbytes (ZCAV 512 bytes/sector)
Rotation speed
3,600 min–1 (3,600 rpm)
Seek times (average)
25 ms (typical)
User data transfer rate
Continuous transfer rate
2.03 – 4.06 Mbytes/s
(maximum, 1,024 bytes/sector)
1.78 – 3.56 Mbytes/s
(maximum, 512 bytes/sector)
Burst transfer rate
maximum 5Mbytes/s (synchronous)
Host interface
SCSI-2 (Small Computer System Interface-2)
ANSI X3.131–1994
■Operating environment
Installation
Horizontal (±5°)
Temperature
Operating
5 °C to 40 °C(41 °F to 104 °F)
(gradient 10°C/h or 18 °F/h)
Non-operating
– 30 °C to 60 °C(– 22 °F to 140 °F)
Relative humidity
Operating
10 % to 85 % (no condensation)
Non-operating
10 % to 90 %
■Laser
Type
Semiconductor AlGaInP laser
Wavelength
685 nm ±10 nm
Maximum output
30 mW
■Power supply and others
Power supply
100 – 240 V AC ±10%, 50/60 Hz ±5%
Current drain
0.60 – 0.35 A max
Maximum external dimensions (excluding
protruding parts and air duct)
211 x 70 x 293 mm (W/H/D)
(8 3/8 x 2 7/8 x 11 5/8 inches)
Weight5.1 kg (11.3 lb.)
Accessories
AC power cord (1)
Emergency eject tool(1)
User’s Guide (1)
Design and specifications are subject to change
without notice.

Appendix 19
Optional Accessories
Direct Overwite MO disks
DOM-2600B (1,024 bytes/sector, 2.6 Gbytes)
DOM-2300B (512 bytes/sector, 2.3 Gbytes)
MO disks
EDM-2600B (1,024 bytes/sector, 2.6 Gbytes)
EDM-2300B (512 bytes/sector, 2.3 Gbytes)
EDM-1300B (1,024 bytes/sector, 1.3Gbytes)
EDM-1200B (512 bytes/sector, 1.2 Gbytes)
Continuous composite write-once disks
CWO-2600B (1,024 bytes/sector, 2.6 Gbytes)
CWO-2300B (512 bytes/sector, 2.3 Gbytes)
CWO-1300B (1,024 bytes/sector, 1.3 Gbytes)
CWO-1200B (512 bytes/sector, 1.2 Gbytes)
SCSI cables
MOA-C08 (80 cm, full pitch ⇔full pitch)
MOA-D51 Disk Cleaning Kit