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Cheetah 36ES Product Manual, Rev. A

Содержание Cheetah 36ES ST318406LC

Страница 1: ...Cheetah 36ES Family ST336706LW LC ST318406LW LC Product Manual Volume 1...

Страница 2: ......

Страница 3: ...Cheetah 36ES Family ST336706LW LC ST318406LW LC Product Manual Volume 1...

Страница 4: ...Cheetah SeaFAX SeaFONE SeaBOARD and SeaTDD are either registered trademarks or trademarks of Seagate Technology LLC Other product names are registered trademarks or trademarks of their owners Seagate...

Страница 5: ...btain a value for the particular desired specification that is as close to permanent as is possible at the time of inquiry Notice Product Manual 100141982 is Volume 1 of a two volume document with the...

Страница 6: ......

Страница 7: ...aracteristics 9 4 3 Start stop time 10 4 4 Prefetch multi segmented cache control 10 4 5 Cache operation 11 4 5 1 Caching write data 11 4 5 2 Prefetch operation 12 4 5 3 Optimizing cache performance f...

Страница 8: ...essages supported 43 9 3 SCSI interface commands supported 44 9 3 1 Inquiry Vital Product data 47 9 3 2 Mode Sense data 47 9 4 SCSI bus conditions and miscellaneous features supported 53 9 5 Synchrono...

Страница 9: ...of HDA Temperature Check Point 29 Figure 10 Recommended mounting 31 Figure 11 LW mounting configuration dimensions 33 Figure 12 LC mounting configuration dimensions 34 Figure 13 J6 jumper header 38 F...

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Страница 11: ...is manual The SCSI Interface Product Manual part num ber 75789509 describes general SCSI interface characteristics of this and other families of Seagate drives The SCSI Interface Product Manual refere...

Страница 12: ...2 Cheetah 36ES Product Manual Rev A...

Страница 13: ...perly 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 pro...

Страница 14: ...cturing start date June 2001 Manufacturer nationality Singapore Taiwanese BSMI If this model has two Chinese words meaning EMC certification followed by an eight digit identification num ber as a Mark...

Страница 15: ...host from the necessity of knowing the physical characteristics of the targets logical block addressing is used The head and disc assembly HDA is sealed at the factory Air circulates within the HDA t...

Страница 16: ...S Product Manual Rev A A high performance actuator assembly with a low inertia balanced patented straight arm design provides excellent performance with minimal power dissipation Figure 2 Cheetah 36ES...

Страница 17: ...performed when power is applied to the drive 1 1 Interleave Zoned bit recording ZBR Vertical horizontal or top down mounting Dynamic spindle brake 4 096 kbyte data buffer Hot plug compatibility Sectio...

Страница 18: ...e drive shall not change the capacity it is currently formatted to have A number in the number of blocks field that is less than the maximum number of LBAs changes the total drive capacity to the valu...

Страница 19: ...heads 4 2 Bytes track 348 900 348 900 Bytes average rounded off values Bytes surface 9 176 9 176 Mbytes unformatted rounded off values Tracks surface total 26 302 26 302 Tracks user accessible Tracks...

Страница 20: ...recoverable error condition is detected during the start sequence the drive executes a recovery procedure which may cause the time to become ready to exceed 20 seconds During spin up to ready time th...

Страница 21: ...e drive transfers the remaining requested LBs from the cache to the host in accordance with the disconnect reconnect specification men tioned above 3 If the prefetch feature is enabled refer to Sectio...

Страница 22: ...limits the amount of prefetch The drive does not use the Prefetch Ceiling field bytes 10 and 11 During a prefetch operation the drive crosses a cylinder boundary to fetch more data only if the Discon...

Страница 23: ...s for drives with LW interface is the same as the firmware default values For drives with the LC interface the OEM saved values are changed to server mode PM bit 0 and the number of cache buffer segme...

Страница 24: ...14 Cheetah 36ES Product Manual Rev A...

Страница 25: ...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 26: ...ine months of operation Data shall be calculated on a rolling average base for a minimum period of six months MTBF is based on the following assumptions 8 760 power on hours per year 250 average on of...

Страница 27: ...us Reset could result in erroneous bus operations The SCSI bus termination and termination power source shall be external to the device being inserted or removed End users should not mix devices with...

Страница 28: ...ns for a given attribute The interval defines the number of operations over which to mea sure the rate The counter that keeps track of the current number of operations is referred to as the Interval C...

Страница 29: ...ion on this drive 5 2 8 2 1 State of the drive prior to testing The drive must be in a ready state before issuing the Send Diagnostic command There are multiple reasons why a drive may not be ready so...

Страница 30: ...ield is zero the drive passed with no errors detected by the DST If the field is not zero the test failed for the reason reported in the field The drive will report the failure condition and LBA if ap...

Страница 31: ...nd return information Seagate customer service centers are the only facilities authorized to service Seagate drives Seagate does not sanction any third party repair facilities Any unauthorized repair...

Страница 32: ...22 Cheetah 36ES Product Manual Rev A...

Страница 33: ...se Immunity Specified voltage tolerance is inclusive of ripple noise and transient response 6 Operating condition is defined as random 8 block reads at 202 I Os per second Current and power speci fied...

Страница 34: ...rt option on the J2 connector 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 conne...

Страница 35: ...25 8 75 11 25 13 75 16 25 18 75 21 25 0 0 1 2 3 4 Amps Seconds AC Envelope 12 Volt Current during spindle start Typical Amperes Nominal average DC curve T0 T3 T1 T2 T5 T4 0 0 1 2 3 4 1 25 0 3 75 6 25...

Страница 36: ...6 0 8 1 0 1 25 0 3 75 6 25 8 75 11 25 13 75 16 25 18 75 21 25 Seconds 5 Volt Current during spindle start Typical Amperes T0 T3 T1 T2 T5 T4 Amps Nominal average DC curve 0 0 0 2 0 4 0 6 0 8 1 0 1 25 0...

Страница 37: ...btain operating power for typical random read operations refer to the following two I O rate curves see Figures 7 Locate the typical I O rate for a drive in your system on the horizontal axis and read...

Страница 38: ...h cooling designed to maintain the case temperature the drive meets all specifications over a 41 F to 131 F 5 C to 55 C drive ambient temperature range with a maximum temperature gradient of 68 F 20 C...

Страница 39: ...erature Check Point b Non operating 40 to 158 F 40 to 70 C package ambient with a maximum gradient of 68 F 20 C per hour This specification assumes that the drive is packaged in the shipping container...

Страница 40: ...al performance during the abnormal shock period Speci fied operational performance will continue when normal operating shock levels resume Shock may be applied in the X Y or Z axis Shock is not to be...

Страница 41: ...Cheetah 36ES Product Manual Rev A 31 Figure 10 Recommended mounting Z Y X Z Y X...

Страница 42: ...utines are available c Non operating The limits of non operating vibration shall apply to all conditions of handling and transportation This includes both isolated drives and integrated drives The dri...

Страница 43: ...lograms J H L B A S K 1 M C R F 1 D E G P 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 torq...

Страница 44: ...m with minimum full thread engagement of 0 12 in 3 05 mm Notes 1 Inches A B C D E F G H J K L M N R S T U 25 40 146 05 101 60 95 25 3 18 44 45 41 28 28 50 101 60 6 35 41 60 4 60 1 20 66 50 7 00 0 38 0...

Страница 45: ...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 46: ...very 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 Information on the re...

Страница 47: ...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 documentation or...

Страница 48: ...er 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 Alterna...

Страница 49: ...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 con...

Страница 50: ...ls are also on 80 pin J1 I O connector See Tables 14 and 15 3 Voltage supplied by the drive 4 Dashed area is optional host circuitry external to the drive connected to host supplied optional usage plu...

Страница 51: ...fter 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...

Страница 52: ...ane mounting surface distortion units of inches or millimeters The out of plane distortion x is determined by defining a plane with three of the four mounting points fixed and evaluating the out of pl...

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 4 SCSI messages supported by Cheetah 36ES famil...

Страница 54: ...ted 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 Supported Vital product...

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: ...Y Translate 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...

Страница 57: ...Default values are hard coded in the drive firmware that is stored in flash EPROM nonvolatile memory on the drive PCBA Default values can be changed only by downloading a complete set of new firmware...

Страница 58: ...l ues storage location on the media prior to shipping When a drive is powered up it takes saved values from the media and stores them to the current values stor age in volatile memory It is not possib...

Страница 59: ...00 00 02 AE 02 00 00 01 00 78 00 72 40 00 00 00 03 CHG 83 16 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 SAV 84 16 00 66 BE 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 27 2C...

Страница 60: ...ing the manufacturing process the Saved value of the PM bit remains set to the firmware default condition one for drives with the LW interface Drives man ufactured with all other interfaces LC set the...

Страница 61: ...00 00 02 AE 02 00 00 01 00 84 00 7E 40 00 00 00 03 CHG 83 16 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 SAV 84 16 00 66 BE 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 27 2C...

Страница 62: ...ing the manufacturing process the Saved value of the PM bit remains set to the firmware default condition one for drives with the LW interface Drives man ufactured with all other interfaces LC set the...

Страница 63: ...ting 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 Di...

Страница 64: ...I I O interface See Section 9 8 and Section 9 9 for additional terminator information Figures 16 and 17 show the locations of the DC power connector SCSI interface connector drive select head ers and...

Страница 65: ...I I O connector Figure 17 LC model drive physical interface 80 pin J1 SCSI I O connector J5 Pin 1 68 Pin SCSI I O Connector Pin 1P J1 DC Power J6 J1 Pin 1 J1 DC Power Pin 1P 2P 3P 4P Power 12V 12V ret...

Страница 66: ...rives 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 equipment into which the drives will be...

Страница 67: ...is keyed by means of its shape see Figure 19 9 6 4 2 Mating connectors for LC model drives The nonshielded connector shall be an 80 conductor connector consisting of two rows of 40 contacts with adja...

Страница 68: ...th 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 the daisy chain 7 Open end type 68 pin connector...

Страница 69: ...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 3...

Страница 70: ...2 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 Pi...

Страница 71: ...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 72: ...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 73: ...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 74: ...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 75: ...n Cheetah 36ES LW and LC model drives are multimode devices That is their I O circuits can operate as either single ended or low voltage differential drivers receivers selectable using the I O DIFFSEN...

Страница 76: ...have the following input characteristics when measured at the disk drive connector Steady state Low level output voltage 0 030 V Vs 3 6 V signal negation logic 0 Steady state High level output voltag...

Страница 77: ...ions cables of different impedances should not be used in the same bus Implementations may require trade offs in shielding effectiveness cable length the number of loads transfer rates and cost to ach...

Страница 78: ...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 79: ...Byte access media 2 T30 4 5 12 0 12 s Next Data Out Byte access media 2 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 T...

Страница 80: ...70 Cheetah 36ES Product Manual Rev A...

Страница 81: ...me pricing and availability fast and easy comparison shopping and seamless integration with key distributors for a one stop shopping experience For support questions and comments reseller seagate com...

Страница 82: ...ion Other customers should contact their place of purchase Authorized Service Centers If you live outside the US you can contact an Authorized Service Center for service USA Canada Latin America Suppo...

Страница 83: ...t Warranty Service 31 20 653 3513 Africa Middle East Support Services For presales technical support warranty service and FAX services in Africa and the Middle East dial our European call center at 31...

Страница 84: ...74 Cheetah 36ES Product Manual Rev A Warranty Service Call Center Toll free Direct dial FAX Asia Pacific 65 485 3595 65 488 7503 Australia 1800 12 9277 Japan 81 3 5462 2904 81 3 5462 2979...

Страница 85: ...sector 46 bytes surface 9 bytes track 9 C cabinet cooling 42 cable 54 cache 10 11 12 cache buffer 7 cache miss 11 cache mode 11 cache operation 10 11 cache operation hit 12 cache segment 11 caching w...

Страница 86: ...ader 54 drive spindle 41 drive transfer 11 drive volume 37 drive warranty 16 dynamic spindle brake 7 E ECC 15 ECC correction capability 7 electrical characteristics 54 65 electromagnetic compatibility...

Страница 87: ...starting current 23 ME jumper 41 mean time between failure See MTBF media 7 48 media defect 15 media defect induced error 15 medium error 16 message protocol 54 message protocol system 36 messages SC...

Страница 88: ...circuit board See PCB PRML read channel electronics 5 product data page 47 programmable drive capacity 8 R radio interference regulations 3 read 11 read command 11 12 read data 11 read error 15 read e...

Страница 89: ...23 support services 71 synchronous data transfer 54 synchronous data transfer operation 69 synchronous data transfer period 54 synchronous transfer period 69 system chassis 42 system recovery procedur...

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Страница 92: ...Seagate Technology LLC 920 Disc Drive Scotts Valley California 95066 4544 USA Publication Number 100141982 Rev A Printed in USA...

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