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© 2000 Seagate Technology, Inc. All rights reserved

Publication number: 83329476, Rev. B

March 2000

Seagate, Seagate Technology, and the Seagate logo are registered trademarks of Seagate Technology,

Inc. Cheetah, SeaFAX, SeaFONE, SeaBOARD, and SeaTDD are either trademarks or registered trade-
marks of Seagate Technology, Inc. or one of its subsidiaries. All other trademarks or registered trade-
marks are the property of their respective owners.

Seagate reserves the right to change, without notice, product offerings or specifications. No part of this
publication may be reproduced in any form without written permission of Seagate Technology, Inc.

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Содержание Cheetah 36LP ST336704LC

Страница 1: ...Cheetah 36LP Family ST336704LW LWV LC LCV Product Manual Volume 1...

Страница 2: ......

Страница 3: ...Cheetah 36LP Family ST336704LW LWV LC LCV Product Manual Volume 1...

Страница 4: ...NE SeaBOARD and SeaTDD are either trademarks or registered trade marks of Seagate Technology Inc or one of its subsidiaries All other trademarks or registered trade marks are the property of their res...

Страница 5: ...information in the Volume 2 SCSI Interface Product Manual part number 75789509 If you need the SCSI Interface information order the Volume 2 Interface Manual part number 75789509 Revision Date Writer...

Страница 6: ......

Страница 7: ...xecution time minutes 9 4 2 3 Generalized performance characteristics 9 4 3 Start stop time 10 4 4 Prefetch multi segmented cache control 10 4 5 Cache operation 10 4 5 1 Caching write data 11 4 5 2 Pr...

Страница 8: ...ing 41 8 5 Grounding 41 9 0 Interface requirements 43 9 1 General description 43 9 2 SCSI interface messages supported 43 9 3 SCSI interface commands supported 44 9 3 1 Inquiry Vital Product data 47 9...

Страница 9: ...WV mounting configuration dimensions 30 Figure 10 ST336704LC LCV mounting configuration dimensions 31 Figure 11 J6 jumper header 36 Figure 12 J5 jumper header on LW and LWV models only 37 Figure 13 J2...

Страница 10: ......

Страница 11: ...terface specifications to the extent described in this manual The SCSI Interface Product Manual part num ber 75789509 describes general SCSI interface characteristics of this and other families of Sea...

Страница 12: ......

Страница 13: ...properly packaged However it is the user s responsibility to assure that the drive meets the appropriate EMI requirements in their system Shielded I O cables may be required if the enclosure does not...

Страница 14: ...l Seagate P N 75789509 Applicable ANSI small computer system interface SCSI document numbers T10 1143D Enhanced SCSI Parallel Interface EPI T10 1236D Primary Commands 2 SPC 2 T10 996D SCSI Block Comma...

Страница 15: ...guring host software and automatic features that relieve the host from the necessity of knowing the physical characteristics of the targets logical block addressing is used The head and disc assembly...

Страница 16: ...6 Cheetah 36LP Product Manual Rev B Figure 2 Cheetah 36LP family drive...

Страница 17: ...power is applied to the drive Zoned bit recording ZBR Vertical horizontal or top down mounting Dynamic spindle brake 4 096 kbyte data buffer 16 384 kbytes on LWV and LCV models Hot plug compatibility...

Страница 18: ...aximum number of LBAs is rounded down to the maximum capacity 3 7 Factory installed accessories OEM Standard drives are shipped with the Cheetah 36LP Installation Guide part number 83329477 and the Sa...

Страница 19: ...ra2 SCSI Ultra160 SCSI In low voltage differential LVD interface mode 5 0 to 80 Mbytes sec 5 0 to 160 Mbytes sec ST336704 Drive capacity 36 7 GByte formatted rounded off values Read write heads 12 Byt...

Страница 20: ...nds typically excluding an error recovery procedure The Motor Start Command can also be used to command the drive to stop the spindle see SCSI Interface Product Manual part number 75789509 There is no...

Страница 21: ...um sectors The wrap around capability of the individual segments greatly enhances the buffer s overall performance as a cache storage allowing a wide range of user selectable config urations which inc...

Страница 22: ...is prefetched replaces data already in some buffer segment s the host can limit the amount of prefetch data to optimize system perfor mance The max prefetch field bytes 8 and 9 limits the amount of p...

Страница 23: ...ecovery procedures without operator interven tion 5 1 2 Read errors Before determination or measurement of read error rates The data that is to be used for measurement of read error rates must be veri...

Страница 24: ...ment period Number of drive failures in the period Estimated power on operation hours means power up hours per disc drive times the total number of disc drives in service Each disc drive shall have ac...

Страница 25: ...h that a device being inserted makes power and ground connections prior to the connection of any device signal contact to the bus A device being removed shall maintain power and ground connections aft...

Страница 26: ...ibute data will be saved to the disc for the purpose of recreating the events that caused a predic tive failure The drive will measure and save parameters once every two hours subject to an idle perio...

Страница 27: ...a diagnostic failed condition through the self tests results value of the diagnostic log page if a functional failure is encountered during DST The channel and servo parameters are not modified to te...

Страница 28: ...es When the drive begins DST it creates a new entry in the Self test Results Log page The new entry is created by inserting a new self test parameter block at the beginning of the self test results lo...

Страница 29: ...arranty information refer to the Standard terms and conditions of Purchase for Seagate products Shipping When transporting or shipping a drive a Seagate approved container must be used Keep your origi...

Страница 30: ......

Страница 31: ...of ripple noise and transient response 6 Operating condition is defined as random 8 block reads at 186 I Os per second Current and power speci fied at nominal voltages Decreasing 5 volts by 5 increas...

Страница 32: ...nnector See Section 8 1 for pin selection information To delay the motor until the drive receives a Start Unit command enable the Enable Remote Motor Start option on the J2 connector 6 2 3 12 V Curren...

Страница 33: ...V current profile 0 0 2 4 6 8 10 12 14 16 o 0 1 2 3 4 A Seconds T0 T1 T3 T4 AC Envelope T2 12 Volt Current during spindle start Typical Amperes DC average of waveform 0 0 4 8 12 16 20 24 28 32 0 0 5 1...

Страница 34: ...ures 5 and 6 Locate the typical I O rate for a drive in your system on the horizontal axis and read the cor responding 5 volt current 12 volt current and total watts on the vertical axis To calculate...

Страница 35: ...r without impact to specified MTBF Air flow may be needed to achieve these temperatures see Section 8 3 1 Continual or sustained operation at case temperatures above these values may degrade MTBF To c...

Страница 36: ...humidity The values below assume that no condensation on the drive occurs a Operating 5 to 95 non condensing relative humidity with a maximum gradient of 10 per hour b Non operating 5 to 95 non conden...

Страница 37: ...ntinue when normal operating shock levels resume Shock may be applied in the X Y or Z axis Shock is not to be repeated more than two times per second c Non operating The limits of non operating shock...

Страница 38: ...28 Cheetah 36LP Product Manual Rev B Figure 8 Recommended mounting Z Y X Z Y X...

Страница 39: ...ting abnormal translational random flat profile 10 400 Hz 1 2 GRMS c Non operating The limits of non operating vibration shall apply to all conditions of handling and transportation This includes both...

Страница 40: ...ograms J H L B A S K 1 M C R F 1 D E P G Mounting holes are 6 32 UNC 2B three on each side and four on the bottom Max screw penetration into side of drive is 0 15 in 3 81 mm Max screw tightening torqu...

Страница 41: ...e is 6 0 in lb 3 32 nm with minimum full thread engagement of 0 12 in 3 05 mm Notes 1 Inches A B C D E F H J K L M N P R S T U 26 10 147 00 101 60 92 25 3 18 44 45 28 50 101 60 6 35 41 60 4 60 1 20 41...

Страница 42: ......

Страница 43: ...uch as are required in video applications For addi tional information on this refer to the Error Recovery Page table in the SCSI Interface Product Manual which describes the Mode Select Mode Sense Err...

Страница 44: ...limit Note A recovery time limit of 0 will use the drive s default value of FF FF Minimum recovery time limit is achieved by setting the Recovery Time Limit field to 00 01 7 3 SCSI systems errors Inf...

Страница 45: ...peration prior to power on If jumpers are changed after power has been applied recycle the drive power to make the new settings effective Installation instructions are provided by host system document...

Страница 46: ...over 11 9 7 5 3 1 Drive Activity LED 4 6 Dashed area is optional host circuitry external to the drive connected to host supplied optional usage plug Do not connect anything to pins 13 20 5V Host Alter...

Страница 47: ...5V Ground 4 Host Alternate Usage Plug Pins 1 3 5 and 7 are optional connections to switching circuits in host equipment to establish drive ID Remote Switches For ID selection use jumpers as shown or c...

Страница 48: ...ult condition The PCBA on LC models does not have connector J5 The J5 connector signals conform to SFF 8009 Revision 2 0 Unitized Connector for Cabled Drives signal assignments for auxiliary connector...

Страница 49: ...r 24 second delay etc On On Drive spindle starts when Start Unit command received from host Delayed start feature is overridden and does not apply when ME jumper is installed WP On Entire drive is wri...

Страница 50: ...the tempera ture measurement guidelines described in Section 6 4 1 Forced air flow may be required to keep temperatures at or below the specified case temperatures of Table 3 in which case the drive...

Страница 51: ...5 25 inch adapter frame verify with Seagate Tech nology that the drive can meet the shock and vibration specifications given herein while mounted in such an adapter frame Adapter frames that are avai...

Страница 52: ......

Страница 53: ...amily drives Notes 1 Extended messages see the SCSI Interface Product Manual part number 75789509 2 Supports all options except qas_req and iu_req Table 5 SCSI messages supported by Cheetah 36LP famil...

Страница 54: ...rted Y DSP bit supported Y IMMED bit supported Y VS vendor specific N Inquiry 12h Y Date code page C1h Y Firmware numbers page C0h Y Implemented operating def page 81h Y Jumper settings page C2h Y Sup...

Страница 55: ...acity 25h Y Read defect data 10 37h Y Read defect data 12 B7h Y Read extended 28h Y DPO bit supported Y FUA bit supported Y Read long 3Eh Y Reassign blocks 07h Y Receive diagnostic results 1Ch Y Suppo...

Страница 56: ...ranslate page 40h Y Set limits 33h N Start unit stop unit spindle ceases rotating 1Ch 1Bh Y Synchronize cache 35h Y Test unit ready 00h Y Verify 2Fh Y BYTCHK bit Y Write 0Ah Y Write and verify 2Eh Y D...

Страница 57: ...25 and 26 are 4C 57 20 For LWV models bytes 24 25 and 26 are 4C 57 56 For LC models bytes 24 25 and 26 are 4C 43 20 For LCV models bytes 24 25 and 26 are 4C 43 56 5 Copyright Year changes with actual...

Страница 58: ...tes which of the current values and saved values can be changed by a Mode Select command A one allows a change to a corresponding bit a zero allows no change For example in Table 8 refer to Mode page...

Страница 59: ...00 00 05 00 FF FF 01 CHG 81 0A FF FF 00 00 00 00 FF 00 FF FF 02 DEF 82 0E 80 80 00 0A 00 00 00 00 00 00 00 00 00 00 02 CHG 82 0E FF FF 00 00 00 00 00 00 00 00 87 00 00 00 03 DEF 83 16 02 64 00 00 00 0...

Страница 60: ...ating System Y Asynchronous Data Transfer N Asynchronous Event Notification Y Attention Condition N Auto Contingent Allegiance Condition Y Contingent Allegiance Condition Y Deferred Error Handling Y D...

Страница 61: ...3Fh 9 6 Physical interface This section describes the connectors cables signals terminators and bus timing of the DC and SCSI I O interface See Section 9 8 and Section 9 9 for additional terminator i...

Страница 62: ...WV model drive physical interface 68 pin J1 SCSI I O connector Figure 16 LC LCV model drive physical interface 80 pin J1 SCSI I O connector J5 Pin 1A 68 Pin SCSI I O Connector Pin 1P J1 DC Power J6 J1...

Страница 63: ...r that purpose LC and LW model drives do not have onboard termination circuits Some type of external termination circuits must be provided for these drives by the end user or designers of the equipmen...

Страница 64: ...flat cable connector part numbers are 1 See Figure 17 The drive device connector is a nonshielded 68 conductor connector consisting of two rows of 34 female pins with adjacent pins 50 mils apart The c...

Страница 65: ...To insure that both drive connector and host equipment mating connector mate properly both drive connector and host equipment mating connector must meet the provisions of SFF 8046 Specification for 80...

Страница 66: ...ncluding host adapter initiator The cable length restriction limits the total number of devices allowed 5 SCSI ID7 has highest arbitration priority then ID15 to ID8 ID 8 very lowest 6 Last drive on th...

Страница 67: ...8 00 3 650 92 71 840 005 21 34 315 010 8 00 001 002 dia 083 2 1 Trifurcated Pins 4 places 085 2 16 x 45 chamfer typ 20 5 08 typ 60 15 24 100 2 54 Pos 1 Pos 2 1 2 3 4 1 816 46 13 Position 1 Pos 68 Pos...

Страница 68: ...12 70 500 2 15 0 10 2 places 57 87 2 278 Y 0 15 M Y M 0 15 M Y M 0 0 15 000 006 62 15 2 447 0 15 005 Housing X X Contact 0 3 012 M Y M 1 27 05 Typ C L of Datum Y C L of Datum Y 0 50 020 Pin 1 Pin 40...

Страница 69: ...39 DBP1 GND 6 11 12 40 DB0 GND 7 13 14 41 DB1 GND 8 15 16 42 DB2 GND 9 17 18 43 DB3 GND 10 19 20 44 DB4 GND 11 21 22 45 DB5 GND 12 23 24 46 DB6 GND 13 25 26 47 DB7 GND 14 27 28 48 DBP GND 15 29 30 49...

Страница 70: ...12 40 DB0 DB1 7 13 14 41 DB1 DB2 8 15 16 42 DB2 DB3 9 17 18 43 DB3 DB4 10 19 20 44 DB4 DB5 11 21 22 45 DB5 DB6 12 23 24 46 DB6 DB7 13 25 26 47 DB7 DBP 14 27 28 48 DBP Ground 15 29 30 49 Ground DIFFSNS...

Страница 71: ...C 10 6 46 DIFFSNS 8 DB11 7 47 GND DB10 8 48 GND DB9 9 49 GND DB8 10 50 GND I O 11 51 GND REQ 12 52 GND C D 13 53 GND SEL 14 54 GND MSG 15 55 GND RST 16 56 GND ACK 17 57 GND BSY 18 58 GND ATN 19 59 GND...

Страница 72: ...46 DIFFSNS 8 DB11 7 47 DB11 DB10 8 48 DB10 DB9 9 49 DB9 DB8 10 50 DB8 I O 11 51 I O REQ 12 52 REQ C D 13 53 C D SEL 14 54 SEL MSG 15 55 MSG RST 16 56 RST ACK 17 57 ACK BSY 18 58 BSY ATN 19 59 ATN DBP...

Страница 73: ...l specifications 9 7 1 Multimode SE and LVD alternatives When the interface DIFFSNS line is between 0 35 V and 0 5 V the drive interface circuits operate single ended and up to and including 20 M tran...

Страница 74: ...ly conform to EIA RS 485 983 Figure 21 Typical SE LVD alternative transmitter receiver circuits 9 7 1 1 Single ended drivers receivers The maximum total cable length allowed with drives using single e...

Страница 75: ...ctory system operation If shielded and unshielded cables are mixed within the same SCSI bus the effect of impedance mismatch must be carefully considered Proper impedance matching is especially import...

Страница 76: ...dent Reselect Identify MSG to Data media T16 4 5 11 Command Dependent Data to Status T17 4 5 15 Command Dependent Status to Command Complete MSG T18 4 5 5 8 15 0 98 s Command Complete MSG to Bus Free...

Страница 77: ...T31 4 5 13 0 12 s MSG IN Byte Transfer T32 4 5 5 7 8 14 15 0 04 s MSG OUT Byte Transfer T33 4 5 2 0 04 s STATUS Byte Transfer T34 4 5 5 8 15 0 04 s Synchronous Data Transfer Characteristics Request S...

Страница 78: ......

Страница 79: ...one phone you can obtain technical support information by return FAX 24 hours daily This service is available worldwide Presales Support Our Presales Support staff can help you determine which Seagate...

Страница 80: ...matica 55 21 516 6649 FAX 55 21 223 3156 e mail sgt_cso gbl com br European Support Services For European customer support dial the toll free number for your specific country for presales support tech...

Страница 81: ...y or send a FAX to 31 20 653 3513 The European call center is located in Amsterdam The Nether lands Asia Pacific Support Services Technical Support Australia 61 2 9725 3366 FAX 61 2 9725 4052 Hong Kon...

Страница 82: ......

Страница 83: ...11 bulkhead connector 53 bus device reset message 48 bytes per sector 46 bytes surface 9 bytes track 9 C cabinet cooling 40 cable 51 cache 10 11 12 cache buffer 7 cache miss 11 cache mode 10 cache ope...

Страница 84: ...tation 40 drive power 35 drive primary defects list 33 drive SCSI timing 66 drive select header 51 drive spindle 39 drive transfer 11 drive volume 35 drive warranty 15 dynamic spindle brake 7 E ECC 13...

Страница 85: ...gnetoresistive heads 5 mating connector 51 54 mating flat cable connector 54 maximum current requirements 22 maximum operating current 21 maximum starting current 21 ME jumper 39 mean time between fai...

Страница 86: ...tch hit 12 prefetch mode 10 prefetch of contiguous blocks 12 prefetch operation 10 12 prefetch segmented cache control 10 preventive maintenance 13 15 printed circuit board See PCB PRML read channel e...

Страница 87: ...Mode page 00h 11 supply voltage 21 support services 69 synchronous data transfer 51 synchronous data transfer operation 67 synchronous data transfer period 51 synchronous transfer period 67 system ch...

Страница 88: ...78 Cheetah 36LP Product Manual Rev B...

Страница 89: ......

Страница 90: ...Seagate Technology Inc 920 Disc Drive Scotts Valley California 95066 4544 USA Publication Number 83329476 Rev B Printed in USA...

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