Seagate ST118202LC Product Manual Download Page 8

Page: 8 / 84

Cheetah 18 Product Manual, Rev. B

6.4.2

Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

6.4.3

Effective altitude (sea level) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

6.4.4

Shock and vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
6.4.4.1

Shock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

6.4.4.2

Vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

6.4.5

Air cleanliness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

6.4.6

Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

6.4.7

Electromagnetic susceptibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

6.5

Mechanical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

7.0

Defect and error management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

7.1

Drive internal defects. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

7.2

Drive error recovery procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

7.3

SCSI systems errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

8.0

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

8.1

Drive ID/option select header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
8.1.1

Notes for Figures 8, 9, and 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

8.1.2

Function description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

8.2

Drive orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

8.3

Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
8.3.1

Air flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

8.4

Drive mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

8.5

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

9.0

Interface requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

9.1

General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

9.2

SCSI interface messages supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

9.3

SCSI interface commands supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
9.3.1

Inquiry Vital Product data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

9.3.2

Mode Sense data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

9.4

SCSI bus conditions and miscellaneous features supported . . . . . . . . . . . . . . . . . . . . . . . . .46

9.5

Synchronous data transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
9.5.1

Synchronous data transfer periods supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

9.5.2

REQ/ACK offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

9.6

Physical interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
9.6.1

DC cable and connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

9.6.2

SCSI interface physical description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

9.6.3

SCSI interface cable requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

9.6.4

Mating connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
9.6.4.1

Mating connectors for LW drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

9.6.4.2

Mating connectors for LC drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

9.7

Electrical description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
9.7.1

Multimode—SE and LVD alternatives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
9.7.1.1

Single-ended drivers/receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

9.7.1.2

Low voltage differential I/O circuits . . . . . . . . . . . . . . . . . . . . . . . . . . .60

9.7.1.3

General cable characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

9.8

Terminator requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

9.9

Terminator power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

9.10

Disc drive SCSI timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61

10.0

Seagate technical support services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Summary of Contents for ST118202LC

Page 1: ...Cheetah 18 Family ST118202LW LC Product Manual Volume 1...

Page 2: ......

Page 3: ...Cheetah 18 Family ST118202LW LC Product Manual Volume 1...

Page 4: ...aFONE 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...

Page 5: ...rface Product Manual part number 77738479 If the SCSI Interface information is needed the Volume 2 Interface Manual should be ordered part number 77738479 Revision Date Writer Engineer Sheets Affected...

Page 6: ......

Page 7: ...nd execution 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...

Page 8: ...interface messages supported 39 9 3 SCSI interface commands supported 40 9 3 1 Inquiry Vital Product data 43 9 3 2 Mode Sense data 44 9 4 SCSI bus conditions and miscellaneous features supported 46 9...

Page 9: ...27 Figure 8 J6 jumper header 32 Figure 9 J5 jumper header on LW models only 33 Figure 10 J2 option select header 34 Figure 11 Air flow suggested 36 Figure 12 ST118202LW drive physical interface 68 pin...

Page 10: ......

Page 11: ...and Fast 40 interface specifications to the extent described in this manual The SCSI Interface Product Manual part number 77738479 describes general SCSI interface characteristics of this and other f...

Page 12: ......

Page 13: ...rly 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 provi...

Page 14: ...8479 ANSI small computer system interface SCSI document numbers X3 131 1994 SCSI 2 X3 253 1995 SCSI 3 Parallel Interface T10 1142D Rev 14 SPI 2 SCSI 3 Parallel Interface version 2 SFF 8046 Specificati...

Page 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...

Page 16: ...6 Cheetah 18 Product Manual Rev B Figure 2 Cheetah 18 family drive...

Page 17: ...ording ZBR Vertical horizontal or top down mounting Dynamic spindle brake 1 024 kbyte data buffer or 4 096 kbyte option Hot plug compatibility Section 9 6 4 2 lists proper host connector needed for LC...

Page 18: ...acity to the value in the block descriptor number of blocks field A value greater than the maximum number of LBAs is rounded down to the maximum capacity 3 7 Factory installed accessories OEM Standard...

Page 19: ...Synchronous transfer rate for SCSI Fast 40 Ultra2 SCSI In single ended SE interface mode 5 0 to 40 Mbytes sec In low voltage differential LVD interface mode 5 0 to 80 Mbytes sec ST118202 Drive capacit...

Page 20: ...operations within 30 seconds 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 nu...

Page 21: ...an integer number of disc medium 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 select...

Page 22: ...head DRA bit DRA bit 0 enables prefetch Since data that 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...

Page 23: ...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 verified as being written correctly on the media All medi...

Page 24: ...disc drive times the total number of disc drives in service Each disc drive shall have accumulated at least nine months of operation Data shall be calculated on a rolling average base for a minimum p...

Page 25: ...hat 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 after...

Page 26: ...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 period on...

Page 27: ...pecifications will be repaired or replaced at Seagate s option and at no charge to customer if returned by customer at cus tomer s expense to Seagate s designated facility in accordance with Seagate s...

Page 28: ......

Page 29: ...although instantaneous peaks may exceed this value These peaks should measure 5 msec duration or less 7 Operating condition is defined as a third stroke seek at OD and read one track Command issued ev...

Page 30: ...ction 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 Current profile Figure 3 identifies the dr...

Page 31: ...et specifications The MTBF specification for the drive is based on operating in an environment that ensures that the case temperatures specified in Table 3 are not exceeded Occasional excursions to dr...

Page 32: ...Table 3 6 4 2 Relative 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 opera...

Page 33: ...od 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 repeated more than two times per second c Non...

Page 34: ...24 Cheetah 18 Product Manual Rev B Figure 5 Recommended mounting Z Y X Z Y X...

Page 35: ...fied operational performance will continue when normal operating vibration levels are resumed This assumes system recovery routines are available c Non operating The limits of non operating vibration...

Page 36: ...ilograms 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 torque is 6 0 in lb 3 32 nm with mini...

Page 37: ...g torque 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 G H J K L M N P R S T U 42 01 147 00 101 60 92 25 3 18 44 45 41 28 28 50 101 60 6 35 41...

Page 38: ......

Page 39: ...nds the details of which are described in the SCSI Interface Product Manual The drive implements selectable error recovery time limits such as are required in video applications For addi tional inform...

Page 40: ...part number 77738479 Message Protocol System is described in the SCSI Interface Product Manual Several of the messages are used in the SCSI systems error management system The Request Sense command re...

Page 41: ...ide external terminators Note For additional information about terminator requirements refer to Sections 9 8 and 9 9 Set all appropriate option jumpers for desired operation prior to power on If jumpe...

Page 42: ...ver 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 Altern...

Page 43: ...ound 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 connec...

Page 44: ...t 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 connectors...

Page 45: ...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...

Page 46: ...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 s...

Page 47: ...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 availab...

Page 48: ......

Page 49: ...e SCSI 2 and SCSI 3 modes of the family drives Notes 1 Extended messages see the SCSI Interface Product Manual part number 77738479 Table 5 SCSI messages supported by family drives Message name Messag...

Page 50: ...bit supported 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...

Page 51: ...ceive diagnostic results 1Ch Y Supported diagnostics pages 00h Y Translate page 40h Y Release 17h Y Release 10 57h Y Request sense 03h Y Actual retry count bytes Y Extended sense Y Field pointer bytes...

Page 52: ...able Any write buffer command that takes more than 10 seconds is doing a flash program ming operation Wait 2 minutes before powering off Verify 2Fh Y BYTCHK bit Y Write 0Ah Y Write and verify 2Eh Y DP...

Page 53: ...te 25 is 43 5 Copyright Year changes with actual year 9 3 1 Inquiry Vital Product data Instead of the standard Inquiry data shown in Table 7 the initiator can request several Vital Product Data pages...

Page 54: ...es 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 0...

Page 55: ...E8 00 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 29 A0 00...

Page 56: ...cation Y Attention Condition N Auto Contingent Allegiance Condition Y Contingent Allegiance Condition Y Deferred Error Handling Y Disconnect Reconnect Y Format progress indication N High voltage diffe...

Page 57: ...ures 12 and 13 show the locations of the DC power connector SCSI interface connector drive select head ers and option select headers Details of the physical electrical and logical characteristics are...

Page 58: ...CSI I O connector Figure 13 ST118202LC 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 Pin 1 J1 DC Power Pin 1P 2P 3P 4P Power 12V 12...

Page 59: ...circuits must be provided for these drives by the end user or designers of the equipment into which the drives will be integrated See Standard X3T10 1142D sections 6 4 and 6 5 for the maximum number...

Page 60: ...ee Figure 16 I O connection using a cable is not recommended The length and size of the host equipment DC power carrying conductors from the DC power source to the host equipment 80 pin disk drive int...

Page 61: ...2D including 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 o...

Page 62: ...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 35...

Page 63: ...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 Pin...

Page 64: ...1 GND 1 35 DB12 GND 2 36 DB13 GND 3 37 DB14 GND 4 38 DB15 GND 5 39 DBP1 GND 6 40 DB0 GND 7 41 DB1 GND 8 42 DB2 GND 9 43 DB3 GND 10 44 DB4 GND 11 45 DB5 GND 12 46 DB6 GND 13 47 DB7 GND 14 48 DBP GND 15...

Page 65: ...2 36 DB13 DB14 3 37 DB14 DB15 4 38 DB15 DBP1 5 39 DBP1 DB0 6 40 DB0 DB1 7 41 DB1 DB2 8 42 DB2 DB3 9 43 DB3 DB4 10 44 DB4 DB5 11 45 DB5 DB6 12 46 DB6 DB7 13 47 DB7 DBP 14 48 DBP Ground 15 49 Ground DIF...

Page 66: ...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...

Page 67: ...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...

Page 68: ...her signals should be connected as shown 9 7 Electrical description LW and LC drives are multimode devices That is their I O circuits can operate as either single ended or low voltage differential dri...

Page 69: ...030 V Vs 3 6 V signal negation logic 0 Steady state High level output voltage 3 6 V Vs 0 030 V signal assertion logic 1 Differential voltage 0 30 V minimum with common mode voltage ranges 0 700 V Vcm...

Page 70: ...edances should not be used in the same bus Implementations may require tradeoffs in shielding effectiveness cable length the number of loads transfer rates and cost to achieve satisfactory system oper...

Page 71: ...s max Reselect Identify MSG to Status T15 4 5 8 Command Dependent Reselect Identify MSG to Data media T16 4 5 11 Command Dependent Data to Status T17 4 5 15 Command Dependent Status to Command Comple...

Page 72: ...T24 4 5 12 0 04 s max Data Out Byte Transfer parameter T25 4 5 13 0 04 s max Next Data In Byte Access parameter T26 4 5 12 0 10 s Next Data Out Byte Access parameter T27 4 5 13 0 10 s Data In Byte Tra...

Page 73: ...isted below SeaFONE 1 800 SEAGATE Seagate s 800 number 1 800 732 4283 allows toll free access to automated self help services providing answers to commonly asked questions troubleshooting tips and spe...

Page 74: ...ion Phone number Australia 61 2 9756 5170 Germany 49 89 14305102 UK 44 1628 894084 USA Disc 405 936 1620 Tape 405 936 1640 Location Phone number Australia 61 2 9725 4052 France 33 1 46 04 42 50 German...

Page 75: ...time Monday through Friday The European call center is located in Amsterdam The Netherlands Location Toll free phone number Austria 0 800 20 12 90 Belgium 0 800 74 876 Denmark 80 88 12 66 France 0 80...

Page 76: ......

Page 77: ...r 49 bus device reset message 44 bytes per sector 42 bytes surface 9 bytes track 9 C cabinet cooling 36 cable 47 cache 10 11 12 cache buffer 7 cache miss 11 cache mode 10 cache operation 10 cache oper...

Page 78: ...list 29 drive SCSI timing 61 drive select header 47 drive spindle 35 drive transfer 11 drive volume 31 drive warranty 15 dynamic spindle brake 7 E ECC 13 ECC correction capability 7 electrical charac...

Page 79: ...able connector 50 maximum current requirements 20 maximum operating current 19 maximum starting current 19 ME jumper 35 mean time between failure See MTBF media 7 44 media defect 13 media defect induc...

Page 80: ...prefetch 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 chan...

Page 81: ...status 30 stop spindle 10 stop time 10 storage capacity 29 straight in connector 51 strict bit in Mode page 00h 11 supply voltage 19 support services 63 synchronous data transfer 47 synchronous data...

Page 82: ...72 Cheetah 18 Product Manual Rev B write retry count 29 Z zoned bit recording ZBR 7...

Page 83: ......

Page 84: ...Seagate Technology Inc 920 Disc Drive Scotts Valley California 95066 4544 USA Publication Number 83329260 Rev B Printed in USA...

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