Fujitsu MAN3184MC - Enterprise 18.4 GB Hard Drive Product/Maintenance Manual Download Page 49 | Manualshive

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C141-E128-01EN

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Figure 3.7

Alternate block allocation by FORMAT UNIT command

If the data block verifying operation (certification) is not permitted (DCRT flag = 0) in the
FORMAT UNIT command, the IDD checks all initialized logical data blocks by reading them out
after the above alternate block allocation is made to initialize (format) the disk. If a defective data
block is detected during the check, the IDD allocates the alternate block to the defective data
block. This alternate block allocation is made by means of alternate sector treatment only like
processing by the REASSIGN BLOCKS command even if unused spare sectors exists in the same
cylinder.

: Unused spare sector

: Defective sector

: n represents a logical data block number

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Summary of Contents for MAN3184MC - Enterprise 18.4 GB Hard Drive

Page 1: ...C141 E128 01EN MAN3735MC MP SERIES MAN3367MC MP SERIES MAN3184MC MP SERIES DISK DRIVES PRODUCT MAINTENANCE MANUAL ...

Page 2: ...ty for incidental or consequential damages arising therefrom FUJTSU DISCLAIMS ALL WARRANTIES REGARDING THE INFORMATION CONTAINED HEREIN WHETHER EXPRESSED IMPLIED OR STATUTORY FUJITSU reserves the right to make changes to any products described herein without further notice and without obligation This product is designed and manufactured for use in standard applications such as office work personal...

Page 3: ...C141 E128 01EN i REVISION RECORD Edition Date published Revised contents 01 Jun 2001 Specification No C141 E128 EN ...

Page 4: ...Small Computer System Interface SCSI American National Standards Institute ANSI X3T9 2 855D Rev 12 WORKING DRAFT Information Technology SCSI 3 Parallel Interface American National Standards Institute ANSI T10 1236 D Rev 12 WORKING DRAFT Information technology SCSI Primary Commands 2 SPC 2 American National Standards Institute ANSI ANSI NCITS 306 199x American National Standard for Information Tech...

Page 5: ...stallation environment Chapter 3 DATA FORMAT This chapter describes the data structure of the disk the address method and what to do about media defects Chapter 4 INSTALLATION REQUIREMENTS This chapter describes the basic physical and electrical requirements for installing MAN series disk drives Chapter 5 INSTALLATION This chapter explains how to install MAN series disk drives It includes the noti...

Page 6: ...rts to prevent physical or property damages to users or by standards DANGER DANGER indicates that personal injury will occur if the user does not perform the procedure correctly WARNING WARNING indicates that personal injury could occur if the user does not perform the procedure correctly CAUTION CAUTION indicates that either minor or moderate personal injury may occur if the user does not perform...

Page 7: ...cal requirements capacity and data format at factory shipment of the SCSI i e the interface for connecting the three device types or host system and the disk drives Note 1 However in this manual the typical model names Note 2 are used unless otherwise noted These disk drives may be called intelligent disk drives IDD drives or devices in this manual Note 1 Model names M AN 3 735 MC Interface types ...

Page 8: ...number correction may not be performed properly Hot temperature To prevent injury do not handle the drive until after the device has cooled sufficiently after turning off the power The DE and LSI become hot during operation and remain hot immediately after turning off the power Data loss 1 The user must not change the setting of terminals not described in this section Do not change setting status ...

Page 9: ...avoid injury do not touch the mechanical assembly during disk drive operation 3 Do not use solvents to clean the disk drive Caution 1 Always ground yourself with a wrist strap connected to ground before handling ESD Electrostatics Discharge may cause the damage to the device 2 To prevent electrical damage to the disk drive turn the power off before connecting or disconnecting a cable connector or ...

Page 10: ... Installation 6 Diagnostics and Maintenance 7 Error Analysis 8 Principle of Operation SCSI Physical Interface Specifications 1 SCSI Bus 2 SCSI Message 3 SCSI Bus Error Recovery Processing SCSI Logical Interface Specifications 1 Command Processing 2 Data Buffer Management 3 Command Specification 4 Sense Data and error Recovery Procedure 5 Disk Medium Management ...

Page 11: ...5 2 2 SCSI Function Specifications 2 7 CHAPTER 3 DATA FORMAT 3 1 3 1 Data Space 3 1 3 1 1 Cylinder configuration 3 1 3 1 2 Alternate spare area 3 4 3 1 3 Track format 3 5 3 1 4 Sector format 3 7 3 1 5 Format capacity 3 9 3 2 Logical Data Block Addressing 3 10 3 3 Defect Management 3 11 3 3 1 Defect list 3 11 3 3 2 Alternate block allocation 3 11 CHAPTER 4 INSTALLATION REQUIREMENTS 4 1 4 1 Mounting...

Page 12: ...ing 5 10 5 4 2 Mounting procedures 5 10 5 5 Connecting Cables 5 11 5 6 Confirming Operations after Installation and Preparation for use 5 12 5 6 1 Confirming initial operations 5 12 5 6 2 Checking SCSI connection 5 13 5 6 3 Formatting 5 16 5 6 4 Setting parameters 5 18 5 7 Dismounting Drives 5 22 5 8 Spare Disk Drive 5 22 CHAPTER 6 DIAGNOSTICS AND MAINTENANCE 6 1 6 1 Diagnostics 6 1 6 1 1 Self dia...

Page 13: ...1 2 Sense key sense code and subsense code 7 1 7 2 Sense Data Analysis 7 3 7 2 1 Error information indicated with sense data 7 3 7 2 2 Sense data 3 0C 03 4 40 xx 4 44 xx and 4 C4 xx 7 4 7 2 3 Sense data 1 1x xx 3 1x xx and E 1D 00 Disk read error 7 4 7 2 4 Sense data 5 2x xx 5 3D 00 5 90 00 B 47 xx B 49 00 B 4D xx and B 4E 00 SCSI interface error 7 4 CHAPTER 8 PRINCIPLE OF OPERATION 8 1 8 1 Outlin...

Page 14: ...of Connectors and Setting Terminals MAH series MC model A 2 A 2 Locations of Connectors and Setting Terminals MAN series MP model A 3 APPENDIX B SETTING TERMINALS B 1 B 1 Setting Terminals MP model only B 2 APPENDIX C CONNECTOR SIGNAL ALLOCATION C 1 C 1 SCSI Connector Signal Allocation SCA2 type LVD 16 bit SCSI C 2 C 2 SCSI Connector Signal Allocation 68 pin type LVD 16 bit SCSI C 3 APPENDIX D MOD...

Page 15: ...rientations 4 4 Figure 4 4 Mounting frame structure 4 5 Figure 4 5 Limitation of side mounting 4 5 Figure 4 6 Surface temperature measurement points 4 6 Figure 4 7 Service clearance area 4 7 Figure 4 8 Current waveform 12 VDC 4 8 Figure 4 9 Power on off sequence 1 4 9 Figure 4 10 Power on off sequence 2 4 9 Figure 4 11 Power on off sequence 3 4 9 Figure 4 12 AC noise filter recommended 4 10 Figure...

Page 16: ...SCSI connection B 5 15 Figure 6 1 Revision label 6 9 Figure 6 2 Indicating revision numbers 6 10 Figure 6 3 Test flowchart 6 11 Figure 7 1 Format of extended sense data 7 2 Figure 8 1 Circuit configuration 8 4 Figure 8 2 IDD operation sequence at power on 8 5 Figure 8 3 Block diagram of read write circuit 8 8 Figure 8 4 Block diagram of servo control circuit 8 10 Figure 8 5 Position of servo track...

Page 17: ...l only 5 8 Table 5 4 Write protect setting MP model only 5 8 Table 5 5 Setting of the SCSI interface operation mode MP model only 5 9 Table 5 6 Setting the bus width of the SCSI interface MP model only 5 9 Table 5 7 Default mode settings by CHANGE DEFINITION command 5 9 Table 5 8 Setting check list MP model only 5 10 Table 6 1 Self diagnostic functions 6 1 Table 6 2 System level field troubleshoot...

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Page 19: ...edded SCSI controller The interface between the IDD and host system is based on SCSI Small Computer System Interface standard ANSI X3 131 1986 Small Computer System Interface SCSI ANSI X3 131 1994 Small Computer System Interface 2 SCSI 2 The flexibility and expandability of the SCSI as well as the powerful command set of the IDD allow the user to construct a high performance reliable disk subsyste...

Page 20: ...lock addressing regardless of the physical characteristics of the disk drive This allows software to accommodate future expansion of system functions 3 8 bit SCSI 16 bit SCSI The IDD has 16 bit data bus width 16 bit SCSI which have the wide transfer function suitable for SCSI 2 This is also available as 8 bit data bus only MP model For the ultra SCSI model number of connectable SCSI devices on the...

Page 21: ...provides the suitable usage environment for users Since the initiator can control the disconnect reconnect timing on the SCSI bus by specifying the condition of stored data to the data buffer or empty condition of the data buffer the initiator can perform the effective input output operations with utilizing high data transfer capability of the SCSI bus regardless of actual data transfer rate of th...

Page 22: ...le of four within the range of 512 to 528 bytes 13 Defective block slipping A logical data block can be reallocated in a physical sequence by slipping the defective data block at formatting This results in high speed contiguous data block processing without a revolution delay due to defective data block 14 High speed positioning A rotary voice coil motor achieves fast positioning 15 Large capacity...

Page 23: ...his makes it ideal for office use 20 Microcode downloading The IDD implements the microcode download feature This feature achieves easy maintainability of the IDD and function enhancing 1 2 Hardware Structure An outer view of the IDD is given in Figures 1 1 to 1 2 The IDD is composed of the disk head spindle motor mounted disk enclosure DE with actuator and air circulation filter as well as read w...

Page 24: ...1 Disks The disks have an outer diameter of 84 mm 3 3 inch outer diameter and 25 mm 0 98 inch inner diameter for MAN series The disks are good for at least 20 000 contact starts and stops Each model contains following number of disks MAN3735 4 MAN3367 2 MAN3184 1 ...

Page 25: ...tuator arm is controlled and positioned via feedback of servo information in the data Heads are positioned on the CCS zone over the disk when the power is off or the spindle motor is stopped 5 Air circulation recirculation filter breather filter The disk enclosure DE configures a sealed room to keep out dust and other pollutants The DE has a closed loop air recirculation system Using the movement ...

Page 26: ...ternal noise and to improve data reliability 7 Controller circuit The controller circuit uses LSIs to increase the reliability and uses a high speed microprocessing unit MPU to increase the performance of the SCSI controller 1 3 System Configuration Figure 1 4 shows the system configuration The IDDs are connected to the SCSI bus of host systems and are always operated as target The IDDs perform in...

Page 27: ...evices 2 Addressing of peripheral device Each SCSI device on the bus has its own unique address SCSI ID n in Figure 1 4 For input output operation a peripheral device attached to the SCSI bus that operates as target is addressed in unit called as logical unit A unique address LUN logical unit number is assigned for each logical unit The initiator selects one SCSI device by specifying that SCSI ID ...

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Page 29: ...ons of the IDD and the functional specifications of the SCSI 2 1 Hardware Specifications 2 1 1 Model name and part number Each model has a different recording capacities and interface connector type when shipped See Appendix D for the model name type and product number The data format can be changed by reinitializing with the user s system ...

Page 30: ...tart time Stop time 30 s typ 60 s max 30 s typ Recording mode 32 34 MEEPRML External dimensions Height Width Depth 25 4 mm 101 6 mm 146 0 mm Weight max 0 75 kg Power consumption 5 9 5 W 7 5 W 7 0 W Fast 5 SCSI Cable length 6 m max Fast 10 SCSI Cable length 3 m max Single Ended Fast 20 SCSI Cable length 3 m max 6 Cable length 1 5 m max 7 Inter face LVD Cable length 25 m max 8 Cable length 12 m max ...

Page 31: ...is the time from power on or start command to when the IDD is ready and the stop time is the time for disks to completely stop from power off or stop command 5 This value indicates at ready mode 6 Up to 4 SCSI devices having capacitance of 25pF or less can use cable length of up to 3 0 m 7 5 to 8 SCSI devices having capacitance of 25pF or less can use cable length of up to 1 5 m 8 1 on 1 connectio...

Page 32: ...operating 4 3 1 mm 5 to 20Hz 49m s2 5G 20 to 300Hz or less Vibration 2 Transport packaged 3 1 mm 5 to 20Hz 49m s2 5G 20 to 300Hz or less Operating 637 4m s2 65G 2 ms Non operating 1961 3m s2 200G 2 ms Shock 2 Transport packaged 1961 3m s2 200G 2 ms Operating 60 m to 3 000 m Altitute above sea level Non operating 60 m to 12 000 m Ready Average 0 6 A 0 45 A 0 4 A Peak within 100 µs at spin up 3 0 A ...

Page 33: ...oss For MAN series Reed Solomon codes are applied for their ECC The sector data is divided into 6 interleaving sectors and ECC is performed in each sector where the maximum number of errors up to 5 byte can be corrected Total maximum byte 5 byte 6 interleave 30 byte If the error of read sector keeps allowable error byte number correction is performed However if error byte exceeds its allowable num...

Page 34: ... must design the system cabinet so that the average DE surface temperature is as possible as low DE surface temperature 40 C or less 5 years DE surface temperature 41 C to 45 C 4 5 years DE surface temperature 46 C to 50 C 4 years DE surface temperature 51 C to 55 C 3 5 years DE surface temperature 56 C and more Strengthen cooling power so that DE surface temperature is 55 C or less Even if the ID...

Page 35: ...function Ο 68 pin P cable connector Ο Connector 80 pin SCA2 connector Ο Data bus parity Data bus CRC Ο Bus arbitration function Ο Disconnection reconnection function Ο SCSI ID 16 bit SCSI 0 to 15 Jumper selection Addressing LUN logical unit number 0 fixed Data transfer Synchronous mode 8 bit SCSI Single Ended type LVD type 16 bit SCSI Single Ended type LVD type 160 m LVD type Ο 20 MB s max Ο 40 MB...

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Page 37: ...block addressing method described in Section 3 2 The internal test space is used by Read write test of self diagnostics test but user can t use direct access The system space is accessed inside the IDD at power on or during the execution of a specific command but the user cannot directly access the system space 3 1 1 Cylinder configuration The IDD allocates cylinders to the user space Internal tes...

Page 38: ... Cylinder 0 Cylinder 73 to Cylinder 4 User space System space Internal test space Cylinder 85 to Cylinder 78 Primary Cylinder 0 to Primary Cylinder n 1 Spare sector for each cylinder SA0 SAS69 Internal test cylinder n Figure 3 1 Cylinder configuration Apart from the above logical configuration the IDD intends to increase the storage capacity by dividing all cylinders into several zones and changin...

Page 39: ... 28 277 29 949 28 277 30 049 311 162 450 Note When the logical data block length is 512 bytes the sector track capacity indicates above amount 1 User space The user space is a storage area for user data The data format on the user space the length of data block and the number of data blocks can be specified with the MODE SELECT or MODE SELECT EXTENDED command The default value of cylinders in the ...

Page 40: ...ce is an area for exclusive use of the IDD itself and the following information are recorded Defect list P list and G list MODE SELECT parameter saved value Statistical information log data Controller control information The above information is duplicated in several different locations for safety Note The system space is also called SA space 3 1 2 Alternate spare area The alternate spare area con...

Page 41: ...ote Zero cannot be specified for both the number of spare sectors in each cylinder and the number of alternate cylinders 3 1 3 Track format 1 Physical sector allocation Figure 3 4 shows the allocation of the physical sectors in a track The length in bytes of each physical sector and the number of sectors per track vary depending on the logical data block length The unused area G4 exists at the end...

Page 42: ...in each track At the head switching location in a cylinder the first logical data block in track t 1 is allocated at the sector position which locates the track skew behind the sector position of the last logical data block sector in track t At the cylinder switching location like the head switching location the first logical data block in a cylinder is allocated at the sector position which locat...

Page 43: ... managed for individual sectors The IDD automatically determines appropriate values for the track skew factor and the cylinder skew factor according to the specified logical data block length The value can be read out by the MODE SENSE or MODE SENSE EXTENDED command after the track has been formatted 3 1 4 Sector format Each sector on the track consists of an ID field a data field and a gap field ...

Page 44: ... G1 G2 G3 The gap length at the time of formatting initializing is listed in Figure 3 6 No pattern is written on the gap field 2 PLO Sync In this field pattern X 00 in the length in bytes listed in Figure 3 6 is written 3 Sync Mark SM1 SM2 In this field special pattern in the length in bytes listed in Figure 3 6 is written This special pattern indicates the beginning of the data field 4 Data field...

Page 45: ... typical logical data block length and the default spare area are used The following is the general formula to calculate the format capacity Number of sectors of each zone number of sectors per track number of tracks heads number of alternate spare sectors per cylinder number of cylinders in the zone Formatted capacity total of sectors of all zones number of sectors per track in last zone number o...

Page 46: ...ta block The IDD treats sector 0 track 0 cylinder 0 as the first logical data block The data block is allocated in ascending order of addresses in the following sequence refer to Figure 3 5 1 Logical data blocks are assigned in ascending order of sector number in the same track 2 Subsequent logical data blocks are assigned to sectors in every track except the last track in ascending order of track...

Page 47: ...This list consists of defect location information available at the disk drive shipment and is recorded in a system space The defects in this list are permanent so the INIT must execute the alternate block allocation using this list when initializing the disk D list Data defect list This list consists of defect location information specified in a FORMAT UNIT command by the INIT at the initializatio...

Page 48: ...T command the REASSIGN BLOCKS command or the automatic alternate block allocation Refer to OEM Manual SCSI Logical Specifications for details of specifications on these commands The logical data block is allocated to the next physically continued sectors after the above sector slip treatment is made On the other hand the logical data block is allocated to spare sectors which are not physically con...

Page 49: ...er the above alternate block allocation is made to initialize format the disk If a defective data block is detected during the check the IDD allocates the alternate block to the defective data block This alternate block allocation is made by means of alternate sector treatment only like processing by the REASSIGN BLOCKS command even if unused spare sectors exists in the same cylinder Unused spare ...

Page 50: ... spare sectors in the cylinder are used up Figure 3 8 is examples of the alternate block allocation by the REASSIGN BLOCKS command Figure 3 8 Alternate block allocation by REASSIGN BLOCKS command 3 Automatic alternate block allocation Automatic alternate block allocation at read operation If the ARRE flag in the MODE SELECT parameter permits the automatic alternate block allocation the IDD automat...

Page 51: ... of one command If second defective block is detected the alternate block assignment processing for the first defective block is executed but the alternate block assignment processing for the second one is not executed and the command being executed terminates However the initiator can recover the twice error by issuing the same command again When an error is detected in a data block in the data a...

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Page 53: ... 3 Connection Requirements This chapter describes the environmental mounting power supply and connection requirements 4 1 Mounting Requirements 4 1 1 External dimensions Figures 4 1 to 4 2 show the external dimensions of the IDD and the positions of the holes for the IDD mounting screws Note Dimensions are in mm ...

Page 54: ...C141 E128 01EN 4 2 The value marked with indicates the dimension between mounting holes on the bottom face Figure 4 1 External dimensions MAN series MC model ...

Page 55: ...C141 E128 01EN 4 3 The value marked with indicates the dimension between mounting holes on the bottom face Figure 4 2 External dimensions MAN series MP model ...

Page 56: ...ssed structure or the like Mount the IDD with making a gap of 2 5 mm or more between the IDD and the frame of the system b As shown in Figure 4 4 the inward projection of the screw from the IDD frame wall at the corner must be 6 35 mm or less c Tightening torque of screw must be secured with 0 59N m 6kgf cm d Impact caused by the electric driver must be within the device specifications e Must be h...

Page 57: ...enter hole by itself In case of using the center hole it must be used in combination with 2 holes on both ends Total 6 screws for 6 holes enclosed Figure 4 5 Limitation of side mounting 3 Limitation of bottom mounting Use all 4 mounting holes on the bottom face 4 3 2 1 Use four holes No 1 4 to mount Holes for mounting screw Holes for mounting screw Do not use these holes 6 35 or less 6 35 or less ...

Page 58: ...ide the cabinet Confirm the cooling effect by measuring temperature of specific ICs and the DE These measurement results should be within a criteria listed in Table 4 1 Table 4 1 Surface temperature check point No Measurement point Criteria 1 Center of DE cover 55 C 2 Read channel LSI 90 C 3 VCM SPM Driver 92 C 4 HDC 89 C 5 MPU 88 C Figure 4 6 Surface temperature measurement points 5 Service clear...

Page 59: ...performance magnet to achieve a high speed seek Therefore a leak magnetic flux at surface of the IDD is large Mount the IDD so that the leak magnetic flux does not affect to near equipment 8 Others Seals on the DE prevent the DE inside from the dust Do not damage or peel off labels Surface P Setting terminal MP model only External operator panel connector Surface R Hole for mounting screw Surface ...

Page 60: ...12 VDC MAN3735 series MAN3367 series MAN3184 series Figure 4 8 Current waveform 12 VDC 3 Power on off sequence a The order of the power on off sequence of 5 VDC and 12 VDC supplied to the IDD does not matter b In a system which uses the terminating resistor power supply signal TERMPWR on the SCSI bus the requirements for 5 VDC given in Figure 4 9 must be satisfied between the IDD and at least one ...

Page 61: ...he SCSI bus the 5 VDC power on off sequence is as follows In a system with its all SCSI devices designed to prevent noise from leaking to the SCSI bus when power is turned on or off the power sequence does not matter if the requirement in b or c is satisfied In a system containing an SCSI device which is not designed to prevent noise from leaking to the SCSI bus the requirement given in Figure 4 1...

Page 62: ...tially 5 Power supply to SCSI terminating resistor If power for the terminating resistor is supplied from the IDD to other SCSI devices through the SCSI bus the current carrying capacity of the 5 VDC power supply line to the IDD must be designed with considering of an increase of up to 200 mA A method of power supply to the terminating resistor is selected with a setting terminal on the IDD MP mod...

Page 63: ... supply connector a 16 bit SCSI The connector for the SCSI bus is an unshielded P connector conforming to SCSI 3 type which has two 34 pin rows spaced 1 27 mm 0 05 inch apart Figure 4 14 shows the SCSI connector See Section C 2 in Appendix C for the signal assignments on the SCSI connector For details on the physical electrical requirements of the interface signals refer to Sections 1 3 and 1 4 in...

Page 64: ...r of DC power supply Figure 4 15 Power supply connector 16 bit SCSI model 3 SG terminal The IDD is not provided with an SG terminal fasten tab for DC grounding Therefore when connecting SG and FG in the system use the 5 VDC RETURN ground inside the power supply connector as the SG on the power supply side The tolerance is 0 127 mm 0 005 inch unless otherwise specified ...

Page 65: ...connector for the external operator panel are provided on the IDD as shown in Figure 4 17 This allows connection of an external LED on the front panel and an SCSI ID setting switch For the recommended circuit of the external operator panel see Subsection 4 3 4 Figure 4 16 External operator panel connector CN1 Pin Signal A1 ID0 A2 Fault LED A3 ID1 A4 ESID A5 ID2 A6 Reserved A7 ID3 A8 LED A9 OPEN A1...

Page 66: ...C141 E128 01EN 4 14 Figure 4 17 External operator panel connector CN2 ...

Page 67: ...D0 Input signals CN1 A1 A3 A5 A7 pin and CN2 02 04 06 08 pin These signals are used for providing switches to set the SCSI ID of the IDD externally Figure 4 18 shows the electrical requirements For the recommended circuit examples see Subsection 4 3 4 Figure 4 18 16 bit SCSI ID external input ...

Page 68: ...he SCSI ID by short circuiting CN1 A3 and CN1 A4 and CN1 A5 and CN1 A6 These pins get high impedance status except above d LED and LED V Output signals CN1 A8 pin and CN2 21 22 pin These signals actuate the external LED as same as LED on the front panel of the disk drive The electrical requirements are given in Figure 4 19 IMPORTANT 1 The external LED is identical in indication to the LED on the f...

Page 69: ...01EN 4 17 Figure 4 19 Output signal for external LED e WTP Input signal CN1 A12 and CN2 9 10 pin By connecting the CN1 A12 and CN2 10 pins to the GND writing operations into the IDD disc media are set to disable ...

Page 70: ...ments The requirements for cable connection between the IDD host system and power supply unit are given in Figure 4 20 Recommended components for connection are listed in Table 4 2 Figure 4 20 SCSI cables connection External operator panel example ...

Page 71: ...upply connector a SCA type SCSI The connector for the SCSI bus is an unshielded SCA 2 connector conforming to SCSI 3 type which has two 40 pin rows spaced 1 27 mm 0 05 inch apart Figure 4 22 shows the SCSI connector See Section C 5 in Appendix C for signal assignments on the connector For details on the physical electrical requirements of the interface signals refer to Sections 1 3 and 1 4 in SCSI...

Page 72: ...20 Figure 4 22 SCA2 type SCSI connector 3 Connector for external operator panel This connector is not available for MC model 4 3 3 Cable connector requirements Table 4 2 lists the recommended components cable connection ...

Page 73: ...1 Connector 71780 003 FCI 1 SCSI cable See Section 1 3 Physical Requirements and Section 1 4 Electrical Requirements in SCSI Physical Interface Specifications 2 Power cable IDDs must be star connected to the DC power supply one to one connection to reduce the influence of load variations 3 DC ground The DC ground cable must always be connected to the IDD because no fasten terminal dedicated to SG ...

Page 74: ...hown in Figure 4 23 Since the external operator panel is not provided as an option this panel must be fabricated at the user site referring to the recommendation if necessary Figure 4 23 External operator panel circuit example IMPORTANT Do not connect the external LED to both CN1 and CN2 Connect it to either of them ...

Page 75: ...ust be strictly observed 1 General notes a Do not give the drive shocks or vibrations exceeding the value defined in the standard because it may cause critical damage to the drive Especially be careful when unpacking b Do not leave the drive in a dirty or contaminated environment c Since static discharge may destroy the CMOS semiconductors in the drive note the following after unpacking Use an ant...

Page 76: ...arts where they will not get lost or damaged d Keep a record of all maintenance work for replacing 4 Packaging a Store the drive in an antistatic vinyl pack b It is recommended to use the same cushions and packages as those at delivery If those at delivery cannot be used use a package with shock absorption so that the drive is free from direct shocks In this case fully protect the PCAs and interfa...

Page 77: ...system and the IDD For the 16 bit SCSI up to 16 devices including the host adapter IDD and other SCSI devices can be connected to the SCSI bus in arbitrary combinations Install a terminating resistor on the SCSI device connected to both ends of the SCSI cable See Section 4 4 for the cable connection requirements and power cable connections 1 Connecting one IDD ...

Page 78: ...C141 E128 01EN 5 4 2 Connecting more than one IDD single host Figure 5 1 SCSI bus connections 1 of 2 3 Connecting more than one IDD multi host Figure 5 1 SCSI bus connections 2 of 2 ...

Page 79: ...ult settings CAUTION Data loss 1 The user must not change the setting of terminals not described in this section Do not change setting status set at factory shipment 2 Do not change the setting of terminals except following setting pins during the power is turned on Write protect CN2 9 10 MP model only 3 To short the setting terminal use the short plug attached when the device is shipped from the ...

Page 80: ...ation IMPORTANT When the SCSI ID is set using the external operator panel connector CN1 all pins listed in Table 5 1 should be open If any of pins are shorted unexpected SCSI ID is set 24 22 20 18 16 14 12 10 8 6 4 2 23 21 19 17 15 13 11 9 7 5 3 1 Terminal power supply Supply LED signal IDD Reset signal N C Force Single Ended LVD mode Force Narrow 16bit SCSI Spin up mode Write protect enabled SCSI...

Page 81: ...et at factory shipment IMPORTANT 1 Set the SCSI ID so that there are no duplicates between SCSI devices on the same SCSI bus 2 The priority of SCSI bus use in ARBITRATION phase is determined by SCSI ID as follows 7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 5 3 2 Each mode setting MP model only 1 Setting terminal power supply Refer to Table 5 2 for controlling the supply of power from the drive to the SC...

Page 82: ...e is downloaded Short 1 1 Setting at factory shipment Refer to Chapter 3 of the SCSI Logical Interface Specifications for details of the START STOP UNIT command 3 Write protect When the write protect function is enabled writing to the disk medium is disabled Table 5 4 Write protect setting MP model only Write protect CN2 9 10 Write operation is enabled Open 1 Write operation is disable Short 1 Set...

Page 83: ...idth of the SCSI interface MP model only Bus width CN2 13 14 16 bit bus Open 8 bit bus Short Set at factory shipment 5 3 3 Mode settings In addition to the previously described settings using setting terminals the IDD is provided with several mode settings The mode settings are enabled by specifying the CHANGE DEFINITION command Table 5 7 lists the mode settings and their settings at factory shipm...

Page 84: ...irements specific to each system The general mounting method and items to be checked are shown below See Subsection 4 1 for the details of requirements for installing the IDD 1 With a system to which an external operator panel is mounted if it is difficult to access the connector after the drive is mounted on the system cabinet connect the external operator panel cable before mounting the drive 2 ...

Page 85: ...nect power cable b Connect the external operator panel if required for MP model c Connect the SCSI cable d Fix the cables so that they do not touch the DE and PCAs or so that the smooth flow of the cooling air in the system cabinet is assured CAUTION Damage 1 Be careful of the insertion orientations of the SCSI connectors With the system in which terminating resistor power is supplied via the SCSI...

Page 86: ...ration in the case of setting so that motor starts with START STOP command a When power is turned on the LED blinks an instant and the IDD executes initial self diagnosis b If an error is detected in the initial self diagnosis the LED blinks c The spindle motor does not start rotating until the START STOP UNIT command for the start is issued The INIT needs to issue the START STOP UNIT command to s...

Page 87: ... mode specified with setting terminal Figure 5 4 shows the recommended checking procedure for the mode that the motor starts when power is turned on Figure 5 5 shows for the mode that the motor starts by the START STOP command In these recommended checking procedures following items are checked Note Following steps a to e correspond to a to e in Figures 5 4 and 5 5 a Issue the TEST UNIT READY comm...

Page 88: ...C141 E128 01EN 5 14 Motor starts when power is turned on Figure 5 4 Checking the SCSI connection A 60 ...

Page 89: ...C141 E128 01EN 5 15 Motor starts by START STOP command Figure 5 5 Checking the SCSI connection B Executing time about 60 seconds ...

Page 90: ...er when the system needs data attributes different from the default format all sides of the disk must be formatted initialized according to the procedures below The user can change the following data attributes at initialization Logical data block length Number of logical data blocks or number of cylinders in the user space Alternate spare area size This section outlines the formatting at installa...

Page 91: ... all sides of the disk using the P lists verifies data blocks after initialization and allocates an alternate block for a defect block detected with verification With initialization the value 00 is written into all bytes of all logical data blocks Only the position information of defect blocks detected with verification is registered in the G list The specifications are as follows a Specifying CDB...

Page 92: ...s in consideration of the system requirements specific to the user This section outlines the parameter setting procedures Refer to Chapter 3 of SCSI Logical Interface Specifications for further details of the MODE SELECT and MODE SELECT EXTENDED commands and specifying the parameters IMPORTANT 1 At factory shipment of the IDD the saving operation for the MODE SELECT parameter is not executed So if...

Page 93: ...peration Automatic alternate block allocation at read operation Uncorrectable data transfer to the INIT Immediate correction of correctable error Report of recovered error Suppression of ECC error correction 1 enabled 1 enabled 1 enabled 1 enabled 0 disabled 0 Correction is enabled Retry count at read operation Retry count at write operation Recovery time limit 63 63 30 sec b Verify error recovery...

Page 94: ... to Chapter 2 of SCSI Logical Interface Specifications for further details Parameter Default value Buffer full ratio 00 HEX Buffer empty ratio 00 HEX Notes 1 In a system without the disconnection function these parameters need not be specified 2 Determine the parameter values in consideration of the following performance factors of the system Time required for reconnection processing Average data ...

Page 95: ...ber of blocks for which prefetch is suppressed X FFFF Minimum prefetch X 0000 Maximum prefetch X XXXX 1 cache segment Number of blocks with maximum prefetch restrictions X FFFF Number of segments X 10 Notes 1 When Read Ahead caching operations are disabled by the caching parameter these parameter settings have no meaning except write cache feature 2 Determine the parameters in consideration of how...

Page 96: ...ral procedures and notes on dismounting the drive It is recommended before dismounting the drive to make sure the spindle motor completely stops after power was turned off a Remove the power cable b Remove the SCSI cable MC Model uses a single cable for power supply and the SCSI interface c When the external operator panel is mounted remove the cable If it is difficult to access the connector posi...

Page 97: ...ics The IDD has the following self diagnostic function This function checks the basic operations of the IDD Initial self diagnostics Online self diagnostics SEND DIAGNOSTIC command Table 6 1 lists the contents of the tests performed with the self diagnostics For a general check of the IDD including the operations of the host system and interface use a test program that runs on the host system see ...

Page 98: ... the disk drive 1 Initial self diagnostics When power is turned on the IDD starts initial self diagnostics The initial self diagnostics checks the basic operations of the hardware functions If an error is detected in the initial self diagnostics the LED on the drive front panel blinks In this status the IDD posts the CHECK CONDITION status to all I O operation requests other than the REQUEST SENSE...

Page 99: ...IT specifies the execution of self diagnostics by setting 1 for the SelfTest bit on the CDB in the SEND DIAGNOSTIC command and specifies the test contents with the UnitOfl bit When the UnitOfl bit on the CDB is set to 0 the IDD executes the hardware function test only once When UnitOfl bit is set to 1 the IDD executes the hardware function test seek positioning test and data write read test for th...

Page 100: ...nformation sense data is read Only when the SCSI bus is reset the BUS DEVICE RESET message is issued or the power is turned off or re turned on the status can be cleared When this status is cleared the IDD executes the initial self diagnostics again see item 1 Refer to Chapter 3 of SCSI Logical Interface Specifications for further details of the command specifications CAUTION Data loss When the SE...

Page 101: ...XTENDED or VERIFY command 4 Write read test By using a data block in the internal test space the write read test can be executed with an arbitrary pattern for a disk drive in which user data is stored 6 2 Maintenance Information 6 2 1 Precautions Take the following precautions to prevent injury during maintenance and troubleshooting CAUTION 1 To avoid shocks turn off the power before connecting or...

Page 102: ...r or plug 3 Do not remove a PCA 4 Do not use a conductive cleaner to clean a disk drive assembly 5 Ribbon cables are marked with a colored line Connect the ribbon cable to a cable connector with the colored wire connected to pin 1 6 2 2 Maintenance requirements 1 Preventive maintenance Preventive maintenance such as replacing air filters is not required CAUTION Damage Do not open the DE in the fie...

Page 103: ...owing information must be included a IDD model part number P N revision number serial number S N and date of manufacturing b Error status Date when the error occurred System configuration Environmental conditions temperature humidity and voltage c Error history d Error contents Outline of inconvenience Issued commands and specified parameters Sense data Other error analysis information CAUTION Dat...

Page 104: ...e levels 1 Field maintenance disk drive replacement This replacement is done at the user s site Replacement uses standard tools Replacement is usually done by the user retail dealer distributor or OEM engineer 2 Factory maintenance parts replacement This replacement can only be done by Fujitsu Replacement includes maintenance training and OEM engineer support OEM engineers usually support retail d...

Page 105: ...ber at factory shipment When the disk drive is shipped from the factory the revision number is indicated by deleting numbers in the corresponding letter line up to the corresponding number with see Figure 6 2 2 Changing revision number in the field To change the revision number because parts are replaced or other modification is applied in the field the new level is indicated by enclosing the corr...

Page 106: ...Figure 6 2 Indicating revision numbers 6 2 5 Tools and test equipment Disk drive troubleshooting and repair in the field require only standard hand tools No special tools or test equipment are required This manual does not describe the factory level tools and test equipment 6 2 6 Tests This disk drive can be tested in the following ways Initial seek operation check See Subsection 6 3 1 Operation t...

Page 107: ...K Continue operation Check host system Table 6 2 Host system normal Analyze system related error Replaced or repair disk drive Disk drive normal Execute diagnostic test using a host computer or test equipment Test results OK Test using voltage or temperature stress Test results OK Normal Analyze disk drive error Table 6 3 Yes Yes No No Yes No Yes No Figure 6 3 Test flowchart ...

Page 108: ...r detection circuit of the disk drive an interrupt occurs The interrupt is posted to the MCU on the PCA The MCU stops the currently processed command and causes the CHECK CONDITION status to post the error to the INIT When receiving the CHECK CONDITION status the INIT issues a REQUEST SENSE command to collect detailed information about the error The INIT then issues a REZERO UNIT command to return...

Page 109: ... clear e g abnormal noise in disk enclosure or burning of a PCA troubleshooting is straightforward 6 4 2 Troubleshooting with disk drive replacement in the field At this level of maintenance we recommend replacing the disk drive as a unit If replacing the disk drive rectifies the fault return the removed disk drive to the factory for test and repair If the newly installed disk drive does not recti...

Page 110: ...rminating resistor is correctly mounted on all disk drives Drive selection address Check that the disk drive selection address is set correctly Plug setup Check that the jumpers on the PCA are set so that the disk drive and host computer operate normally See Section 5 3 System cables Check that all system cables are connected correctly System diagnostic test When possible execute the system level ...

Page 111: ... Table 6 3 Disk drive troubleshooting Item Recommended action Frequent or repeated seek errors Collect sense data and see Chapter 7 Replace the disk drive and check that the test method is correct If the error recurs it is likely that the disk drive is normal but the test method is incorrect Intermittent or nonfatal errors Replace the disk drive and check that the test method is correct If the err...

Page 112: ...n the factory This manual does not cover troubleshooting at the factory level 6 4 5 Finding possibly faulty parts Finding possibly faulty parts in the field was explained in Subsection 6 4 2 This manual does not cover finding possibly faulty parts at the factory level ...

Page 113: ...ion Collection 7 1 1 Sense data When IDD posts a CHECK CONDITION status or detects a fatal error in the SCSI bus the current command or queued command is cleared In such a case the IDD generates sense data about the command issuing INIT The INIT can read the sense data by issuing a REQUEST SENSE command Even if a transfer byte length that is shorter than the sense data length of the tested device ...

Page 114: ...itional sense data length 8 9 10 11 12 Sense code 13 Subsense code 14 X 00 15 SKSV 16 Sense key specific information 17 18 X 0 0 0 SCSI ID 19 CDB operation code 20 47 Figure 7 1 Format of extended sense data MSB Detail information LSB LSB Command specific information Information Additional information Basic information MSB ...

Page 115: ...etc An error occurred in power on self diagnosis A hardware error occurred inside IDD A drive error occurred 1 3 1x 1x xx xx A disk read error occurred A disk read error occurred E 1D 00 Data discrepancy found by VERIFY command byte check 5 B B B B 2x 3D 90 47 49 4D 4E xx 00 00 xx 00 xx 00 An SCSI error such as an invalid operation code occurred The Reserve bit of the IDENTIFY message was set to 1...

Page 116: ...that was not recorded in the media defect list In this case assign an alternate block to the error detected block using a REASSIGN BLOCKS command For an explanation of the REASSIGN BLOCKS command refer to the SCSI Logical Interface Specifications If this error occurs in different blocks a PCA or DE is faulty For details of the above sense data refer to the SCSI Logical Interface Specifications 7 2...

Page 117: ...into two parts The first part explains the mechanical parts of the drive see Section 8 2 The second part explains the servo data recorded on a magnetic disk and explains drive control see Sections 8 3 to 8 7 8 2 Disk Drive Configuration The main disk drive subassemblies are a disk enclosure DE and printed circuit boards also called printed circuit assemblies PCA The DE contains all the moving part...

Page 118: ... A counter electromotive force is generated by the drive current in the spindle motor coil A fixed rotational frequency of the spindle is maintained by comparing the frequency of the counter electromotive voltage with the reference frequency generated by the crystal oscillator 8 2 4 Actuator The actuator consists of a voice coil motor VCM and a head carriage The voice coil motor moves the head car...

Page 119: ...gital signal is then converted into an analog signal which then controls the voice coil motor The DSP accurately controls traffic positioning of each head using servo information on the data surface 3 Spindle motor drive circuit The spindle motor drive circuit drives the spindle motor A drive current in the motor coil generates a counter electromotive voltage The frequency of the counter electromo...

Page 120: ...Circuit configuration Data Head Head IC Read Channel Servo Demodulator RAN DSP Drive I F LSI MCU ARM7 RAM 512K 16b Hard Disc Controller HOST Voice Coil Motor Spindle Motor SPM VCM Driver Flash ROM 128K 8b Buffer RAM 2Mbit 32b 8Mbyte ...

Page 121: ... terminates this sequence and enters the command waiting state 5 The IDD checks that the spindle motor rotation reaches a steady rotational speed 6 The IDD executes self configuration This includes execution of the factory calibration which is described on the next page and the processing of reading the format information and defect position information written in the system zone 7 The disk drive ...

Page 122: ...ervo loop is constant However servo loop gains vary slightly depending on each device and cylinder position outer center and inner cylinders according to the characteristics of the magnet used in the VCM To compensate the servo gain is measured at representative positions from the outermost to innermost for each device Measurement is similar to the external force adjustment Measured values are sto...

Page 123: ...rent driver and has a write error detection function Each channel is connected to each data head and is switched by a serial port If a write error such as a head short circuit or head disconnection is detected an error signal WUS is generated 8 6 2 Write circuit The write data is converted into the NRZ data WDT by SCSI controller and is sent together with the Write clock WCLK signal to the write c...

Page 124: ...8 8 C141 E128 01EN Figure 8 3 Block diagram of read write circuit ...

Page 125: ... a total process through analog filter circuit ADC circuit FIR filter circuit and Viterbi detection circuit 3 32 34 RLL decoding circuit The 32 34 RLL decoding circuit decodes the viterbi detection circuit output signal This decoding circuit reverse converts scrambles the pseudorandom pattern created at write into NRZ data The NRZ data is then fed to the upper level circuit 8 7 Servo Control The s...

Page 126: ...t and a Gray Code segment and 120 frames for MAN series are arranged around the circumference In the servo demodulator the Gray Code and Position signals from the servo signal are demodulated and used to control head positioning 3 SPM VCM driver The SPM driver consists of a controller and a power MOSFET driver The controller controls the sensor less spindle motor by checking counter electro motive...

Page 127: ...rmat The servo pattern consists of 120 servo frames for MAN series per one revolution One servo frame is divided into 4 areas and these areas are separated with a gap Figure 8 6 shows the servo frame configuration 1 Training area The training area consists of a fixed period burst signal and has following functions Preparation of servo mark detection Gap 2 Servo mark area Servo mark patterns are wr...

Page 128: ...n the position area IGB DS Servo zone Outer side of disk Center of disk OGB Figure 8 5 Position of servo track 8 7 3 Servo frame format Gap Gray code Position Gap Servo mark W R recovery Figure 8 6 Servo frame 8 7 4 Spindle motor control The SCSI control MDU controls the senseless 3 phase spindle motor It carries out start normal rotation control and spindle synch control in accordance with comman...

Page 129: ...by digital servo control using the DSP This control provides return to zero RTZ operation seek operation and track following operation 1 RTZ operation When the power is turned on or when a REZERO UNIT COMMAND is issued from the host computer the DSP moves the head to the reference cylinder cylinder 0 by an internal command from the MPU 2 Seek operation When the host issues a data read write reques...

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Page 131: ... CONNECTORS AND SETTING TERMINALS A 1 Locations of Connectors and Setting Terminals MAN series MC model A 2 Locations of Connectors and Setting Terminals MAN series MP model This appendix shows the locations of connectors and setting terminals ...

Page 132: ...A 2 C141 E128 01EN A 1 Locations of Connectors MAN series MC model Rear view Figure A 1 Locations of connectors MAN series MC model CN2 1 2 Bottom view CN1 ...

Page 133: ...C141 E128 01EN A 3 A 2 Locations of Connectors and Setting Terminals MAN series MP model Bottom view Rear view Figure A 2 Locations of connectors and setting terminals MAN series MP model CN1 CN2 ...

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Page 135: ...C141 E128 01EN B 1 APPENDIX B SETTING TERMINALS B 1 Setting Terminals MP model only This appendix describes setting terminals ...

Page 136: ...ly Short Open Short Open SCSI ID 10 16 bit SCSI only Short Open Short Short SCSI ID 11 16 bit SCSI only Short Short Open Open SCSI ID 12 16 bit SCSI only Short Short Open Short SCSI ID 13 16 bit SCSI only Short Short Short Open SCSI ID 14 16 bit SCSI only Short Short Short Short SCSI ID 15 16 bit SCSI only Write protect Open Write operation is enabled Short Write operation is disabled Setting item...

Page 137: ...PPENDIX C CONNECTOR SIGNAL ALLOCATION C 1 SCSI Connector Signal Allocation SCA2 type LVD 16 bit SCSI C 2 SCSI Connector Signal Allocation 68 pin type LVD 16 bit SCSI This appendix describes the connector signal allocation ...

Page 138: ...48 09 DB09 DB09 49 10 DB08 DB08 50 11 I O I O 51 12 REQ REQ 52 13 C D C D 53 14 SEL SEL 54 15 MSG MSG 55 16 RST RST 56 17 ACK ACK 57 18 BSY BSY 58 19 ATN ATN 59 20 P_CRCA P_CRCA 60 21 DB07 DB07 61 22 DB06 DB06 62 23 DB05 DB05 63 24 DB04 DB04 64 25 DB03 DB03 65 26 DB02 DB02 66 27 DB01 DB01 67 28 DB00 DB00 68 29 DBP1 DBP1 69 30 DB15 DB15 70 31 DB14 DB14 71 32 DB13 DB13 72 33 DB12 DB12 73 34 5V 5V RE...

Page 139: ...41 08 DB02 DB02 42 09 DB03 DB03 43 10 DB04 DB04 44 11 DB05 DB05 45 12 DB06 DB06 46 13 DB07 DB07 47 14 P_CRCA P_CRCA 48 15 GND GND 49 16 DIFFSNS GND 50 17 TERMPWR TERMPWR 51 18 TERMPWR TERMPWR 52 19 Reserved Reserved 53 20 GND GND 54 21 ATN ATN 55 22 GND GND 56 23 BSY BSY 57 24 ACK ACK 58 25 RST RST 59 26 MSG MSG 60 27 SEL SEL 61 28 C D C D 62 29 REQ REQ 63 30 I O I O 64 31 DB08 DB08 65 32 DB09 DB0...

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Page 141: ...C141 E128 01EN D 1 APPENDIX D MODEL NAMES AND PRODUCT NUMBERS D 1 Model Names and Product Numbers This appendix lists model names types and product numbers ...

Page 142: ...05904 B400 MAN3735MP 68 pin LVD 512B 73 49 GB 6 32UNC CA05904 B460 25 4mm height 10 025 min 1 10 025rpm 4 disks 8 heads MA N3367MC SCA2 LVD CA05904 B200 MAN3367MP 68 pin LVD 512B 36 74 GB 6 32UNC CA05904 B260 25 4mm height 10 025 min 1 10 025rpm 2 disks 4 heads MA N3184MC SCA2 LVD CA05904 B100 MAN3184MP 68 pin LVD 512B 18 37 GB 6 32UNC CA05904 B160 25 4mm height 10 025 min 1 10 025rpm 1 disks 2 he...

Page 143: ...88 Rungis Cedex FRANCE TEL 33 1 41 80 38 80 FAX 33 1 41 80 38 66 FUJITSU ICL ESPAÑA S A Almagro 40 28010 Madrid SPAIN TEL 34 91 581 8000 FAX 34 91 581 8300 FUJITSU AUSTRALIA LIMITED 2 Julius Avenue Cnr Delhi Road North Ryde N S W 2113 AUSTRALIA TEL 61 2 9776 4555 FAX 61 2 9776 4556 FUJITSU HONG KONG LTD 10 F Lincoln House 979 King s Road Taikoo Place Island East Hong Kong TEL 852 2827 5780 FAX 852...

Page 144: ...of this publication What is your occupation Your other comments may be entered here Please be specific and give page paragraph and line number references where applicable Your Name Return Address Sales Operating Installing Maintaining Learning Reference Fair Poor Very Good Good Very Poor Fully covered Well Illustrated Thank you for your interest Please send this sheet to one of the addresses in a ...

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