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Sony MO DISK DRIVE SMO-F551, Technical Manual

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Sony MO DISK DRIVE SMO-F551 Technical Manual Download Page 3

SMO-F551 Technical Guide and Specifications

3

Sony Corporation 1998

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 SMO-F551
is harmful to the eyes, do not attempt to
disassemble the unit.  Refer servicing to
qualified personnel only.

Summary of Contents for MO DISK DRIVE SMO-F551

Page 1: ...SMO F551 Magneto Optical Disk Drive Version 1 1 Technical Guide and Specifications ...

Page 2: ... radiate radio frequency energy and may cause harmful interference to radio communications in spite of a particular installation However there is no guarantee that interference will not occur in a particular installation If this equipment dose 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 correc...

Page 3: ...ck 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 SMO F551 is harmful to the eyes do not attempt to disassemble the unit Refer servicing to qualified personnel only ...

Page 4: ...EVITER TOUTE EXPOSITION DIRECTE AU FAISCEAU L A S E R S T R A H L U N G W E N N A B D E C K U N G G E Ö FFNET NICHIT DEM STRAHL AUSSETZEN L A S E R S T R Å LING V E D Å B I N G U N D G Å U D S ETTELSE FO R S T RÅ LING ADVARSEL DANGER DANGER VORSICHT ADVARSEL VARNING VARO L A S E R S T R Å LING N Ä R D E N N A D E L Ä R Ö PPNAD STRÅ L E N Ä R F A R L I G AVATTAESSA OLET ALTTIINA LASERSÄ TEILYLLE ÄL...

Page 5: ... editions whether such errors are omissions or statements resulting from negligence accident or any other cause Sony further assumes no liability arising out of the application or use of any products or system described herein nor any liability for incidental or consequential damages arising from the use of this document Sony disclaims all warranties regarding the information contained herein whet...

Page 6: ...echnology 130 mm Optical Disk Cartridges Capacity 2 6 Gbytes per Cartridge For Information Interchange ISO IEC 13549 1994 Data Interchange on 130 mm Optical Disk Cartridges Capacity 1 3 Gbytes per Cartridge ISO IEC 10089 1991 Format A 130 mm rewritable Optical Disk Cartridges for Information Interchange ISO IEC 11560 1992 130 mm Write Once Optical Disk Cartridges for Information Interchange Capaci...

Page 7: ...ptional Switch Setting 23 Chapter 3 PRECAUTIONS 25 Drive Handling Precautions 25 Disk Handling Precautions 25 Notes on Cleaning 26 Cleaning the Drive Unit 26 Cleaning the Disks 26 Chapter 4 SPECIFICATIONS 27 Drive Specifications 27 Media Related Characteristics 27 Drive Specifications 31 Chapter 5 SYSTEM CONFIGURATION 35 Optical Head 35 Laser Diode Driver 35 Data Separation Block 35 Bias Magnet Bl...

Page 8: ...pendix 1 Mechanical Dimension Overview 2 Mechanical Dimension Front View 3 Mechanical Dimension Side View 4 Mechanical Dimension Bottom View 5 Mechanical Dimension Rear View 6 Mechanical Dimension Mounting 7 Mechanical Dimension Packaging 8 Mechanical Dimension Packaging ...

Page 9: ...ts precautions regarding the operation of the drive and the disk cartridges It also explains the proper cleaning method of the disk cartridges n Chapter 4 SPECIFICATIONS This chapter provides performance data environmental electrical and physical specifications n Chapter 5 SYSTEM CONFIGURATION This chapter contains detailed descriptions on the drive s subassemblies n Chapter 6 HOST INTERFACE This ...

Page 10: ...used as well as rewritable media The related international standards are listed below ISO IEC 15286 final draft 5 2GB 4 8GB 4 1GB Rewritable and Write Once Cartridge ISO IEC 14517 1997 2 6GB 2 3GB Rewritable and Write Once Cartridge ISO IEC 13549 1994 1 3GB 1 2GB Rewritable and Write Once Cartridge ISO IEC 10089 1991 650MB 594MB Rewritable Cartridge Format A ISO IEC 11560 1992 650MB 594MB Write On...

Page 11: ...512 bytes sector o o 8X WO 5 2GB 2048 bytes sector o o 8X WO 4 8GB 1024 bytes sector o o 8X WO 4 1GB 512 bytes sector ISO IEC 15286 final draft o o 4X R W 2 6GB 1024 bytes sector ISO IEC 14517 o o 4X R W 2 3GB 512 bytes sector o o 4X WO 2 6GB 1024 bytes sector o o 4X WO 2 3GB 512 bytes sector o o 4X DOW 2 6GB 1024 bytes sector o o 4X DOW 2 3GB 512 bytes sector o x 2X R W 1 3GB 1024 bytes sector IS...

Page 12: ...ed as a daisy chain on the SCSI bus Host Computer SCSI Cable SMO F551 SCSI peripheral devices Fig 1 2 System Configuration Example Location and Function of Parts This section provides a general description of the SMO F551 Magneto Optical disk drive Front Panel BUSY Indicator Emergency Eject Hole Disk Insertion Slot Eject Button Fig 1 3 Front View n Disk Insertion Slot Insert the disk cartridge int...

Page 13: ...ect such as a straightened paper clip into the emergency eject hole n Eject Button Press this button to eject the disk cartridge from the drive The drive suspends the ejection of disk cartridge while executing a SCSI command or while holding data to be flushed from its cache buffer Manual eject by this eject button can be disabled by the functional switch or software settings Rear Panel Functional...

Page 14: ...5V power line Refer to Chapter 2 SCSI and DC Power Connector section for more information n GND Terminal This is the ground terminal of the drive Top Panel Optional Switch ON OFF 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 ON OFF S501 S502 Rear End of the Drive Fig 1 5 Top view n Optional Switches S501 S502 These two dip switches allow the user to set drive configuration Refer to Chapter 2 Optional Switch Set...

Page 15: ... be operated in a well ventilated area ideally in an air conditioned room The temperature and relative humidity should be between 5 to 45 C 41 to 113 F and between 10 to 90 respectively The drive may be placed horizontally or vertically on a flat and stable surface The maximum permissible mounting tilt is 10 degrees for the bottom placed surface Neither the drive nor the disk cartridge should be p...

Page 16: ...perating conditions specified in this manual Measuring Point Maximum Temperature Disk Cartridge 55 C 131 F The temperature conditions specified in this manual must always be met for the SMO F551 to function properly Temperature Alarm Excessive internal temperature raise may cause the drive to stop functioning In case of drive overheat the BUSY indicator LED of the drive will flash at 2 second inte...

Page 17: ...e connector Molex part number 51110 24 87259 2412 or equivalent Recommend jumper socket IMSA 9215H GF IRISO Electronics Co Ltd 1 12 A B Fig 2 1 Functional Switch Placing a jumper socket over the desired pair of pins A B will turn the corresponding function ON For example placing a jumper socket over the pair of pins A4 B4 turn Disable SCSI Parity Check function ON This means the SCSI Parity Check ...

Page 18: ...e Type B10 Reserved A11 Enable Termination B11 GND A12 Terminator Power B12 Terminator Power Source SCSI ID2 1 0 These pins are used for setting the SCSI ID of the drive The following table describes the setting combinations of SCSI ID Table 2 2 SCSI ID Setting Connector Pin SCSI ID A1 B1 A2 B2 A3 B3 0 OFF OFF OFF 1 OFF OFF ON 2 OFF ON OFF 3 OFF ON ON 4 ON OFF OFF 5 ON OFF ON 6 ON ON OFF 7 ON ON O...

Page 19: ...ranteed through power cycling Caution Disable Write Cache setting works as an OR function with the optional dip switch setting Disable Auto Spin up This function switch A6 B6 controls drive s automatic spin up mode When the pair of pins A6 B6 is open the drive automatically spins up the media upon loading factory default Shorting this pair of pins with a jumper pin disables the automatic spin up C...

Page 20: ...disables the termination Terminator Power This line is connected to the SCSI bus TERMPWR line Terminator Power Source This line supplies 5V DC through an isolation diode for SCSI terminator power to the SCSI bus TERMPWR line Connecting pair of pins A12 B12 enables the SCSI TERMPWR signal Caution When the Fast SCSI function is used it is recommended that the host system and SCSI cables should confo...

Page 21: ...3450 5431 combination 50 pin SCSI and 4 pin DC Power male header Recommended female connectors SCSI connector 3M type number 7950 6500 DC Power connector AMP 1 480424 0 MATE N LOCK Functional Switch SCSI Connector DC Power Connector 49 1 2 50 1 1 12 4 Fig 2 3 SCSI and DC Power Connector Table 2 3 DC Power Connector Pin Assignments Pin Number Description 1 DC 12V 2 12V Return 3 5V Return 4 DC 5V ...

Page 22: ...D G N D 29 30 G N D G N D 31 32 A T N G N D 33 34 G N D G N D 35 36 B S Y G N D 37 38 A C K G N D 39 40 R S T G N D 41 42 M S G G N D 43 44 S E L G N D 45 46 C D G N D 47 48 R E Q G N D 49 50 I O The bar above the signal indicates active low SCSI Terminator SMO F551 features an internal SCSI bus terminator When the drive is connected at the end of the SCSI chain functional switch 11 Enable Termina...

Page 23: ...501 and S502 These two optional dip switches allow the user to set the drive configurations Optional Switch S501 S502 Rear End of the Drive ON OFF 8 1 2 3 4 5 6 7 ON OFF 8 1 2 3 4 5 6 7 Fig 2 4 Top Panel View Caution Disable Write Cache and Disable Auto Spin up settings work as an OR function with the functional switch settings ...

Page 24: ... Enable Write Cache for Write and Verify Command Disable Command Eject Disables Eject by command Enable Library I F Mode Library I F Mode will be valid Disable Write Cache Disables Write Cache setting upon power on Disable Auto Spin up Disables Auto Spin up upon cartridge loading Disable SCAM Selection Disables SCAM SCSI Configuration Auto Magically function Enable Write Cache for Write Cache for ...

Page 25: ...ay cause damage to both the disk and the drive Disk Handling Precautions Do not drop the disk or hit it against other object Disk cartridge s shutter automatically opens when it is inserted in the drive Do not open the shutter manually or touch the disk inside Do not disassemble the disk cartridge Precise adjustments are made at the factory prior to shipping Write protection tabs are provided on t...

Page 26: ... into account in the drive design to guard against dust Therefore there is no need to clean the optical lens of the drive Using a lens cleaning device such as Sony s Cleaning Cartridge model number MOA L55 2 may damage the drive MOA L55 2 may only be used for SMO F531 series Cleaning the Disks DISKS SHOULD BE CLEANED PERIODICALLY TO INSURE SATISFACTORY OPERATION To avoid read write error use the o...

Page 27: ...nstant Angular Velocity Modulation Code RLL 1 7 Run Length Limited Coding Bytes per Sector 2048 1024 512 Sectors per Logical Track 7 17 31 Number of Tracks per Side Physical Tracks 38 136 37 485 37 696 Logical Tracks 182 508 138 915 130 112 Formatted Address Start Address Track 0 Sector 0 located at OD Track 0 Sector 0 located at OD Track 0 Sector 0 located at OD End Address Track 182 507 Sector 6...

Page 28: ...s per Logical Track 17 31 Number of Tracks per Side Physical Tracks 26 010 26 040 Logical Tracks 75 735 73 080 Formatted Address Start Address Track 0 Sector 0 located at OD Track 0 Sector 0 located at OD End Address Track 75 734 Sector 16 Track 73 079 Sector 30 Capacity per Disk 2 607 Gbytes 2 298 Gbytes per Side 1 303 5 Mbytes 1 149 4 Mbytes User Data Transfer Rate Outer Diameter 4 06 Mbytes s m...

Page 29: ...ors per Logical Track 17 31 Number of Tracks per Side Physical Tracks 21 600 21 600 Logical Tracks 37 600 37 600 Formatted Address Start Address Track 0 Sector 0 located at ID Track 0 Sector 0 located at ID End Address Track 37 599 Sector 16 Track 37 599 Sector 30 Capacity per Disk 1 304 Gbytes 1 191 Gbytes per Side 652 3 Mbytes 595 6 Mbytes User Data Transfer Rate Outer Diameter 2 40 Mbytes s max...

Page 30: ...gular Velocity Modulation Code RLL 2 7 Run Length Limited Coding Bytes per Sector 1024 512 Sectors per Track 17 31 Total Number of Tracks 18 750 18 750 Formatted Address Start Address Track 0 Sector 0 located at ID Track 0 Sector 0 located at ID End Address Track 18 750 Sector 16 Track 18 750 Sector 30 Capacity per Disk 644 2 Mbytes 590 8 Mbytes per Side 322 1 Mbytes 295 4 Mbytes User Data Transfe...

Page 31: ...ation Host Interface SCSI 2 ANSI X3 131 1994 Bus Type Single Ended Burst Data Transfer Rate Synchronous 5 Mbytes s maximum Fast SCSI disabled Synchronous 10 Mbytes s maximum Fast SCSI enabled Asynchronous 3 Mbytes s maximum Buffer Memory Size 4 Mbytes Error Correction Length 2 048 byte sector 1 024 byte sector 512 byte sector 160 bytes maximum 80 bytes maximum 40 bytes maximum Table 4 7 Laser Diod...

Page 32: ...p including spin down time Spin up Time 2 5 s typ Spin down Time 2 2 s typ Measured at SCSI level excluding SCSI communication overhead Table 4 9 Electrical Power Requirements Item Specification DC Voltage 5 V 5 Maximum ripple voltage 50mV peak to peak 12V 5 Maximum ripple voltage 100mV peak to peak Current Consumption 5V 0 8 A typ 2 0 A max 12V 0 9 A typ 3 0 A max Power Consumption 14 8 W typ Pow...

Page 33: ...ct f 500 Hz PSD 0 0096 m2 s3 0 0001 G2 Hz Non operating No Permanent Damage f 5 to 100 Hz PSD 1 92 m2 s3 0 02 G2 Hz f 100 to 137 Hz 6 dB Oct f 137 to 350 Hz PSD 1 03 m2 s3 0 0107 G2 Hz f 350 to 500 Hz 6 dB Oct f 500 Hz PSD 0 50 m2 s3 0 0052 G2 Hz Shock Operating 294 m s2 30 G 3 ms half sine No Data Loss Non operating 873 m s2 89 G 3 ms half sine No Permanent Damage Transportation No Permanent Dama...

Page 34: ... x 10 4 T 10 Gauss peak to peak Radiated Interference FCC 47 CFR Part 15 Subpart B Class B USA Tested as subsystem DOC SOR 88 475 Class B Canada VFG 243 Germany VCCI Class 2 Information Technology Equipment Japan Table 4 12 Reliability Item Specification MTBF 100 000 POH 60 confidence level MSBF 750 000 cycles MTTR 30 minutes Table 4 13 Safety and Compliance Item Specification Regulatory UL 1950 2...

Page 35: ...laser diode at the proper power level for read write and erase process using the Automatic Power Control APC circuit Data Separation Block The read out signal from the photo detectors is divided into two different band width signals for data separation and servo systems Data separation block consists of RPML channel and bit by bit detection channel PRML channel is used for mark edge detection in o...

Page 36: ...ory Read Channel Digital E A Optical Controller DSP Read Channel Analog SCSI Bus DSP Bus Data Bus Serial Data Fig 5 1 SMO F551 Block Diagram Microprocessor The microprocessor unit MPU has 512 kbytes External and 64 kbytes Internal programmed ROM and 64 kbytes of working RAM on the MPU bus This module performs the following functions SCSI modules management SCSI communication management Drive contr...

Page 37: ...ide motor flat linear motor for accessing to the designated track s These servos are controlled by the Digital Signal Processor DSP block consisting of 12 kwords RAM This block controls the analog and mechanical blocks Integrated Optical Controller Block The integrated optical controller includes the following blocks Buffer Memory Manager This module performs the internal data bus management and g...

Page 38: ...read operations It also generates the correction vendor and corrects the data during read operations Drive Interface This module performs encoding and decoding of the RLL 1 7 and RLL 2 7 data and defects the ID data of the disk The SYNC and RESYNC in the format are encoded and detected in this module Buffer Memory Buffer Memory is composed of 4 Mbytes of DRAM User data is stored in reading or writ...

Page 39: ... SCSI specification is described Refer to the SMO F551 SCSI Specifications for more details Data Bus and Signal Lines SMO F551 Busy BSY Select SEL Reset RST Control Data C D Input Output I O Message MSG Request REQ Acknowledge ACK Attention ATN Data bus bit 0 7 paritey bit Fig 6 1 SCSI Data Bus and Signal Lines The SCSI interface uses the 18 signal lines as shown in Fig 6 1 9 signals are used for ...

Page 40: ...O A signal driven by the target to control the direction of data flow on the DATA BUS with respect to the initiator True indicates input to the initiator This signal also distinguishes phases between SELECTION and RESELECTION Message MSG A signal driven by the target during the MESSAGE phase Request REQ A signal driven by the target to indicate a request for REQ ACK data transfer handshake Acknowl...

Page 41: ...creases as the bit number decreases DB 0 is the least significant A data bit is defined as ONE when the signal value is true And it is defined as ZERO when the signal value is false Data parity DB P is odd For the status of the signals relating to control of the drive and details of the timing of the SCSI bus refer to the ANSI X3 131 1994 SCSI 2 documents Single ended drivers have been adopted for...

Page 42: ...the drive through SCSI interface Disconnected Bus Free Phase Arbitration Phase Selection Phase Command Phase Message Out Phase Message In Phase Bus Free Phase Arbitration Phase Reselection Phase Message In Phase Data In Phase Status Phase Message In Phase Bus Free Phase Not disconnected Linked IDENTIFY message 80H to FFH DISCONNECT message Not linked Fig 6 2 Drive Control Flow Chart through SCSI ...

Page 43: ...sts 12H INQUIRY Transfer the information related to the SMO F551 15H MODE SELECT 6 Specify the drive and media parameters 16H RESERVE Reserve a logical unit for the exclusive use of the initiator 17H RELEASE Release the logical unit from the reservation state 1AH MODE SENSE 6 Read the drive and media parameters 1BH START STOP UNIT Start stop and or load eject the medium 1CH RECEIVE DIAGNOSTIC RESU...

Page 44: ...the ECC generation circuitry 40H CHANGE DEFINITION Modify the operating definition of the SMO F551 4CH LOG SELECT Clear drive resident logs 4DH LOG SENSE Read drive resident logs 55H MODE SELECT 10 Specify the drive and media parameters 5AH MODE SENSE 10 Read the drive and media parameters A8H READ 12 Read the specified number of data blocks AAH WRITE 12 Write the specified number of data blocks A...

Page 45: ...Lights ON accessing disk loading unloading spin up spin down Power On Diagnostic disk at accessible state Drive Ready NORMAL Flashing 0 8 sec cycle ON OFF 1 1 pending Eject Eject requested while accessing loading spinning up inaccessible disk inserted example unformatted disk Drive NOT Ready RAPID Flashing 0 2 sec cycle ON OFF 1 1 Power On Diagnostic error not available SLOW Flashing 2 sec cycle O...

Page 46: ...SMO F551 Magneto Optical Disk Drive Technical Guide and Specifications ...

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