Seagate Elite ST43402ND Reference Manual Download

Page: 48 / 48

Seagate Technology, Inc.
920 Disc Drive, Scotts Valley, CA 95066-4544, USA

Publication Number: 83327730, Rev. C, Printed in USA

Summary of Contents for Elite ST43402ND

Page 1: ...Elite Disc Drive ST43401N ND ST43402ND Reference Manual...

Page 2: ...ation number 83327730 Rev C December 1994 Seagate Seagate Technology and the Seagate logo are registered trademarks of Seagate Technology Inc Elite SeaFAX SeaFONE SeaTDD and SeaBOARD are trademarks of...

Page 3: ...evices such as metal oxide semiconductors are extremely sensitive all semiconductors as well as some resistors and capacitors may be damaged or degraded by exposure to static electricity Electrostatic...

Page 4: ...arnings and cautions are not exhaus tive We cannot possibly know evaluate and advise you of all the ways in whichmaintenancemightbeperformedorthepossibleriskofeachtechnique Consequently we have not co...

Page 5: ...ons in this manual and isdesignedtobeusedinaccordancewithUL1950 IEC950 EN60950 CSA C22 2 950 and VDE0805 Seagate takes all reasonable steps to ensure that its products are certifiable to currently acc...

Page 6: ...rt specialists are available from 8 00 A M to 5 00 P M PST MondaythroughFriday RecordedtechnicalinformationforselectedSeagate products is accessible 24 hours a day 7 days a week SeaTDD 408 438 5382 TD...

Page 7: ...Manual Rev C vii Location Telephone number USA Mexico Latin America 408 438 8771 England 44 62 847 8011 Germany 49 89 140 9331 Singapore 65 292 6973 Australia 61 2 756 2359 Canada 416 856 5581 France...

Page 8: ......

Page 9: ...nd replacing a drive or power supply and packing a drive for shipment Maintenance tools and materials The procedures described in this section require the use of certain special tools test equipment a...

Page 10: ...e of the 4 pin DC cable connector 1 Using system software command continuous read write operations with the drive on a single cylinder 2 Connect the voltmeter ground lead to J15 Pin 3 5 V Return Groun...

Page 11: ...v C 3 Control Board Power Board Optional Bezel Chassis DC Power Connector Option Jumpers and Spindle Sync Connector Option Jumpers I O Connector Option Jumpers Option Jumpers Head and Disc Assembly HD...

Page 12: ...y HDA Power Board DC Power Connector Option Jumpers Pin 1 I O Board Optional Bezel Spindle Sync Connector Remote Operator Panel Connector Port B I O Connector Port A I O Connector Port A Terminator Po...

Page 13: ...gn The drive is a component for installation in an enclosure that you have designed The enclosure design must provide for mounting the drive and power supply cable routing and cooling See the next top...

Page 14: ...A B C D E F G H I J K L 3 25 0 86 0 39 1 93 3 120 8 60 5 50 5 75 0 12 3 96 1 58 3 13 0 01 0 01 0 01 0 01 0 005 0 03 0 01 0 01 0 01 0 05 0 05 0 05 82 55 21 84 9 91 49 02 79 25 218 44 139 70 146 05 3 05...

Page 15: ...in mm A B C D E F G 3 25 0 86 0 39 1 87 3 120 8 00 5 50 0 01 0 01 0 01 0 02 0 005 max 0 01 H I J K L M N O P 5 75 0 12 0 06 3 38 5 88 0 19 3 90 1 58 3 13 0 01 0 01 0 02 0 02 0 01 0 01 0 05 0 05 0 05 1...

Page 16: ...vethecircuit boards and around the head and disc assembly HDA Also choose the shortest possible path between the air inlet and exit This minimizes the distance traveled by air that is heated by the dr...

Page 17: ...ev C 9 Above unit Under unit Note Air flows in the direction shown front to back or in reverse direction back to front Above unit Under unit Note Air flows in the direction shown or in reverse directi...

Page 18: ...mponent Reference case temp case temp case temp S RYFX PERI 2 D540 45 35 60 S RYFX Video AMP F826 55 45 70 S RYFX RDS G115 55 45 70 S RYFX ECLTTL D212 47 37 62 S RYFX SCRAM C051 44 34 59 S RYFX DRAM B...

Page 19: ...bles when the initiators and drives are distributed within three cabinets Refer to the appropriate figure to determine the types of components required for your installation All three figures show how...

Page 20: ...Cable or Twisted Pair Terminator Notes 1 Cables and terminators shown are unshielded 2 Flat cable can be used with single ended drivers Twisted pair flat cable must be used with differential drivers...

Page 21: ...d Cable Shielded Connector Terminator 2 x 34 Pin Connector Notes 1 Initiator in one cabinet A 2 All drives in another cabinet B 3 Both bulkheads have shielded connectors 4 Flat cable can be used with...

Page 22: ...separate cabinets Drive 0 Drive 1 Drive 2 Drive 3 Bulkhead Cabinet A Initiator ID 6 Drive 7 Bulkhead Drive 4 Initiator ID 5 Bulkhead Shielded Cable Shielded Terminator Shielded Cable Shielded Termina...

Page 23: ...gle ended drives are shipped with resistor pak termina tors installed on the control board Each end of the daisy chain I O cable must beterminated Iftheresistor pakterminatorsareinplaceonthedrive exte...

Page 24: ...feet 9 14 meter 70703926 40 feet 12 19 meter 70703927 50 feet 15 24 meter 70703928 Table 5 Terminators Seagate Description part number Terminator resistor pak single ended 96752447 Terminator resistor...

Page 25: ...other jumpers on the control board are discussed in the user s manual The jumper is identified as Sweep Cycle Option which either enables or disables the sweep cycle function The jumper can be positi...

Page 26: ...18 ST43401N ND and ST43402ND Reference Manual Rev C Sweep Cycle Option ST43401N ND J4B ST43402ND Sweep Cycle Option J4B Figure 10 Control board jumpers...

Page 27: ...rs synchronous transfer agree ments and unit attention conditions for each initiator on both ports Any initiator may place commands in the queue on either port Data placed in the cache by one port may...

Page 28: ...t Initiator Target Initiator Target SCSI Bus To same or other SCSI units Total must be 16 or less Each device must have a unique SCSI ID assigned by its SCSI ID bit Data Bus Bit SCSI ID DB 7 7 DB 6 6...

Page 29: ...Reference Manual Rev C 21 Figure 12 SCSI bus signal lines Initiator Target Data Bus Bits 0 15 plus parity Busy BSY Select SEL Reset RST Attention ATN Acknowledge ACK Request REQ Message MSG Input Out...

Page 30: ...d by an initiator to select a target or by a target to reselect an initiator Reset RST I T An or tied signal that indicates the Reset condition exists Attention ATN I Driven by the initiator to indica...

Page 31: ...t phases depending on the type of operation or information transfer being performed The bus phases pertain to the condition or state of the lines at a given time The SCSI bus can never be in more than...

Page 32: ...I Olinemustbeassertedduringthis phase Command Allows the target to request command information from the initiator Data The Data In phase allows the target to request that data be sent to the initiator...

Page 33: ...on the device priority ID bit Arbitration occurs when the device asserts Busy and its ID on the data bus This ID bit is a single bit on the data bus that corresponds to the uniqueSCSIaddressassignedto...

Page 34: ...and the Message In Identify message phases Reselection is a phase that allows the target to reconnect to the initiator so it can continue an operation that was started by an initiator but suspended by...

Page 35: ...t to send status information to the initiator Status codes are contained in bits 5 to 1 of the status byte The various codes are shown in Table 11 The process ends with the Message In phase and a Comm...

Page 36: ...only 12 Inquiry 13 14 15 Mode Select 16 Reserve see note 1 17 Release 18 19 1A Mode Sense see note 2 1B Start Stop Unit 1C Receive Diagnostic Results 1D Send Diagnostic 1E 1F Note 1 For dual port driv...

Page 37: ...2 Commands for Direct Access Devices Op Code Command Name 20 24 25 Read Capacity 26 27 28 Read Extended 29 2A Write Extended 2B Seek Extended 2C 2D 2E Write and Verify 2F Verify 30 36 37 Read Defect...

Page 38: ...t Initiator 08 M M No operation Initiator Target 09 M M Message parity error Initiator Target 0A O O Linked command complete Target Initiator 0B O O Linked command complete Target Initiator with flag...

Page 39: ...target routine number depending on bit 5 M Mandatory for SCSI 2 O Optional for SCSI 2 Note 1 For dual port drives a bus device reset message from either port causes a unit attention condition for all...

Page 40: ...Bits of the Status Byte 7 6 5 4 3 2 1 0 Status Description 0 0 0 0 0 0 0 0 Good 0 0 0 0 0 0 1 0 Check condition 0 0 0 0 0 1 0 0 Condition met 0 0 0 0 1 0 0 0 Busy 0 0 0 1 0 0 0 0 Intermediate 0 0 0 1...

Page 41: ...de see byte 12 listing in Table 13 Additional Sense Code qualifiers see byte 13 listing in Table 13 These qualifiers differentiate between related definitions all having the same Additional Sense Code...

Page 42: ...tion failure 08 01 Logical unit communication time out 08 02 Logical unit communication parity error 09 00 Track following error 0A 00 Error log overflow 0C 01 Write error recovered with auto realloca...

Page 43: ...list not found 1C 02 Grown defect list not found 1D 00 Miscompare during verify operation 1E 00 Recovered ID with ECC correction 20 00 Invalid command operation code 21 00 Logical block address out of...

Page 44: ...ode has been changed 3F 02 Changed operating definition 3F 03 Inquiry data has changed 40 NN Diagnostic failure more description in ASCQ Byte 13 codes 80H FFH 40 00 RAM failure should use 40 NN 41 00...

Page 45: ...ests that analysis data be sent to the initiator after completion of a Send Diagnostic command The results of power on initialization tests are available through the Request Sense command as well as t...

Page 46: ...dentifies the assembly that may have failed The codes are listed in probability order with the most probable assembly listed first and the least probable listed last FRU codes are shown in Table 15 Ta...

Page 47: ...nable to start spindle motor 0020H Unable to recalibrate drive 0030H Unable to send write current data to drive 0034H Unable to issue drive seek command 0040H Unable to read user table from drive 0041...

Page 48: ...Seagate Technology Inc 920 Disc Drive Scotts Valley CA 95066 4544 USA Publication Number 83327730 Rev C Printed in USA...

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