Seagate Cheetah 9LP Series Product Manual Download

Page: 31 / 86

Cheetah 9LP Product Manual, Rev. C

Figure 3.

Typical Cheetah 9LP family drive +12 V current profile

0.0

0.5

1.0

1.5

2.0

2.5

Seconds

T0 T1

Peak AC

Min. AC

Peak DC

+12 Volt Current during spindle start – Typical Amperes

Summary of Contents for Cheetah 9LP Series

Page 1: ... Cheetah 9LP Family ST39102LW LC ST34502LW LC Product Manual Volume 1 ...

Page 2: ......

Page 3: ... Cheetah 9LP Family ST39102LW LC ST34502LW LC Product Manual Volume 1 ...

Page 4: ...eaFONE 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 Seaga...

Page 5: ... SCSI Interface information is needed the Volume 2 Interface Manual should be ordered part number 77738479 Revision Date Writer Engineer Sheets Affected Rev A 04 16 98 L Newman J Nowitzke 1 1 v thru viii 1 82 Rev B 07 13 98 L Newman J Nowitzke Adds ST34502 models Changes on pages 8 43 45 51 52 59 63 and 64 Rev C 08 14 98 L Newman J Nowitzke Add Multimode output and input character istics data to s...

Page 6: ......

Page 7: ...and 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 2 Prefetch operation 12 5 0 Reliability specifications 13 5 1 Error rates 13 5 1 1 Environmental interference 13 5 1 2 Read errors 13 5 1 3 Write errors 13 5 1 4 Seek errors 13 5 2 Reliability and se...

Page 8: ...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 47 9 5 Synchronous data transfer 48 9 5 1 Synchronous data transfer periods supported 48 9 5 2 REQ ACK offset 48 9 6 Physical ...

Page 9: ... 28 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 ST39102LW and ST34502LW drive physical interface 68 pin J1 SCSI I O connector 49 Figure 13 ST39102LC and ST34502LC drive physical interface 80 pin J1 SCSI I O connector 49 Figure 14 SCSI daisy chain interface cabling for LW drives 52 Figure ...

Page 10: ......

Page 11: ...20 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 families of Seagate drives From this point on in this product manual the reference to Cheetah 9LP models is referred to as the drive unless references to individual models are necessary Figure 1 Chee...

Page 12: ......

Page 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 provide adequate shielding If the I O cables are external to the enclosure shielded cables should be used with the shields grounded to the enclosure and to the host con troller 2 1 2 Electromagnetic susc...

Page 14: ...uct Manual Seagate P N 77738479 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 Specification for 80 pin connector for SCSI disk drives Package Test Specification Seagate P N 30190 001 under 100 lb Package Test Specification Seagate P N 30191 001 over 100 lb Speci...

Page 15: ...onfiguring 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 HDA is sealed at the factory Air circulates within the HDA through a non replaceable filter to maintain a contamination free HDA environment Refer to Figure 2 for an exploded view of the drive Thi...

Page 16: ...6 Cheetah 9LP Product Manual Rev C Figure 2 Cheetah 9LP family drive ...

Page 17: ...cording 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 model drives SCAM SCSI Configured AutoMagically plug n play level 2 compliant factory set to level 1 3 2 Media characteristics The media used on the drive has a diameter of approximately 3 0 inches ...

Page 18: ...ue 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 drives are shipped with the Cheetah 9LP Installation Guide part number 83329230 unless otherwise specified The factory also ships with the drive a small bag of jumper plugs used for the J2 J5 and J6 option select ju...

Page 19: ... 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 ST39102 ST34502 Drive capacity 9 10 4 55 GByte formatted rounded off values Read write heads 12 6 Bytes track 104 840 159 008 104 840 159 008 Bytes average rounded off values Bytes surface 939 939 Mbytes unformatted rounded off values Tracks surface total 6 962...

Page 20: ... also be used to command the drive to stop the spindle see SCSI Interface Product Manual part number 77738479 There is no power control switch on the drive 4 4 Prefetch multi segmented cache control The drive provides prefetch read look ahead and multi segmented cache control algorithms that in many cases can enhance system performance Cache as used herein refers to the drive buffer storage space ...

Page 21: ...ge allowing a wide range of user selectable config urations which includes their use in the prefetch operation if enabled even when cache operation is disabled see Section 4 5 2 The number of segments may be selected using the Mode Select command but the size can not be directly selected Size is selected only as a by product of selecting the segment number specifica tion The size in Kbytes of each...

Page 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 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 Discontinuity DISC bit is set...

Page 23: ... 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 verified as being written correctly on the media All media defect induced errors must be excluded from error rate calculations 5 1 3 Write errors Write errors can occur as a result of media defects environmental interference or equipment malfunction There...

Page 24: ...er 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 period of six months MTBF is based on the following assumptions 8 760 power on hours per year 250 average on off cycles per year Read seek write operation 20 of power on hours Operations at nominal v...

Page 25: ... 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 after the dis connection of any device signal contact from the bus see SFF 8046 SCA 2 specification It is the responsibility of the systems integrator to assure that no hazards from temperature energy vol...

Page 26: ...e 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 the SCSI bus The process of measuring off line attribute data and saving data to the disc is uninterruptable and the maximum delay is summarized below Maximum processing delay On line only delay Full...

Page 27: ...specifications 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 warranty procedure Seagate will pay for transporting the repair or replacement item to customer For more detailed warranty information refer to the Standard terms and conditions of Purchase for Seag...

Page 28: ......

Page 29: ...the 12 volt current to an average of less than 1 8 amperes 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 every 0 042 seconds 8 No terminator power 9 During idle the drive heads are relocated every 60 seconds to a random location within the band fro...

Page 30: ...bus terminator to ensure proper termination of the peripheral I O cables To automatically delay motor start based on the target ID SCSI ID enable the Delay Motor Start option and disable the Enable Motor Start 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 J...

Page 31: ...Manual Rev C 21 Figure 3 Typical Cheetah 9LP family drive 12 V current profile 0 0 2 4 6 8 10 12 14 16 0 0 5 1 0 1 5 2 0 2 5 A Seconds T0 T1 T3 Peak AC T2 Min AC Peak DC 12 Volt Current during spindle start Typical Amperes ...

Page 32: ...f Table 3 the drive meets all specifications over a 41 F to 122 F 5 C to 50 C drive ambient temperature range with a maximum temperature gradient of 36 F 20 C per hour The enclosure for the drive should be designed such that the temperatures at the locations specified in Table 3 are not exceeded Air flow may be needed to achieve these temperature val ues see Section 8 3 and 8 3 1 Operation at case...

Page 33: ...b Non operating 40 to 158 F 40 to 70 C package ambient with a maximum gradient of 36 F 20 C per hour This specification assumes that the drive is packaged in the shipping container designed by Seagate for use with drive Figure 4 Locations of PCBA components listed in 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 ...

Page 34: ...nal 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 repeated more than two times per second c Non operating The limits of non operating shock shall apply to all conditions of handling and transportation This includes both isolated drives and integrate...

Page 35: ...Cheetah 9LP Product Manual Rev C 25 Figure 5 Recommended mounting Z Y X Z Y X ...

Page 36: ...covery routines 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 drive shall not incur physical damage or degraded performance as a result of continuous vibration not exceeding 5 22 Hz 0 040 inches 1 02 mm displacement 22 400 Hz 2 00 G Vibration may be applie...

Page 37: ... 0 589 kilograms 0 540 kilograms 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 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 P R S T U 26 10 147 00 101 60 92 25 3 18 44 45 41 28 28 5...

Page 38: ...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 26 10 147 00 101 60 92 25 3 18 44 45 41 28 28 50 101 60 6 35 41 60 4 60 1 20 41 28 66 50 7 00 0 38 0 38 1 028 5 787 4 000 3 750 125 1 750 1 625 1 122 4 000 250 1 638 181 040 1 625 2 618 276 015 015 max max 010 010 010 010 020 020 010 010 010 020 max 020 010 040 max max max ma...

Page 39: ...very time limits such as are required in video applications For addi tional information on this refer to Table 5 2 1 22 in the SCSI Interface Product Manual which describes the Mode Select Mode Sense Error Recovery parameters The error recovery scheme supported by the drive provides a means to control the total error recovery time for the entire command in addition to controlling the recovery leve...

Page 40: ...it 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 Information on the reporting of operational errors or faults across the interface is given in the SCSI Interface Product Manual part number 77738479 Message Protocol System is described in the SCSI Interface...

Page 41: ...vide 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 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 with any additionally pur...

Page 42: ...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 Alternate Usage Plug Reserved Pins 6 8 4 2 4 A L E D R E S 3 SCSI ID 1 SCSI ID 2 SCSI ID 3 SCSI ID 4 SCSI ID 5 SCSI ID 6 SCSI ID 7 SCSI ID 8 SCSI ID 9 SCSI ID 10 SCSI ID 11 SCSI ID 12 SCSI ID 13 SCSI ID 14...

Page 43: ...round 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 connect a cable for remote switching as shown below Dashed area is optional host circuitry external to the drive connected to host supplied optional usage plug 4 Reserved Pins 2 4 6 and 8 are normally not ...

Page 44: ...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 connectors 2 These signals are also on 80 pin J1 I O connector See Tables 15 and 16 3 Voltage supplied by the drive Delay Motor Start Enable Remote Motor Start Write Protect Parity Disable Term Power to SCSI B...

Page 45: ...after 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 write protected Off Drive is not write protected Default is WP jumper not installed PD On Parity checking and parity error reporting by the drive is disabled Off Drive checks for parity and reports r...

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 should be oriented or air flow directed so that the least amount of air flow resistance is created while providing air flow to the electronics and HDA Also the shortest possible path between the air i...

Page 47: ...nch 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 available may not have a mechanical structure capa ble of mounting the drive so that it can meet the shock and vibration specifications listed in this manual 8 5 Grounding Signal ground PCBA and HDA ground are c...

Page 48: ......

Page 49: ...I 2 and SCSI 3 modes of the Cheetah 9LP family drives Notes 1 Extended messages see the SCSI Interface Product Manual part number 77738479 Table 5 SCSI messages supported by Cheetah 9LP family drives Message name Message code Supported by SCSI 2 3 Abort 06h Y Abort tag 0Dh Y Bus device reset 0Ch Y Clear ACA 16h N Clear queue 0Eh Y Command complete 00h Y Continue I O process 12h Y Disconnect 04h Y ...

Page 50: ... Y STPF bit supported Y IP 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 C2h Y Supported Vital product data page 00h Y Unit serial number page 80h Y Lock unlock cache 36h N Log select 4Ch Y PCR bit Y DU bit N DS bit Y TSD bit Y ETC bit N TMC bit ...

Page 51: ...sign blocks 07h Y Receive 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 Y Reserve 16h Y 3rd party reserve Y Extent reservation N Reserve 10 56h Y 3rd part reserve Y Extent reservation N Rezero unit 01h Y Search data equal 31h N Search data high 30h N ...

Page 52: ...uption This usually makes the drive inoperable Test unit ready 00h Y Verify 2Fh Y BYTCHK bit Y Write 0Ah Y Write and verify 2Eh Y DPO bit Y Write buffer modes 0 2 supported 3Bh Y Firmware download option modes 5 7 supported 3 Y Write extended 2Ah Y DPO bit Y FUA bit Y Write long 3Fh Y Write same 41h Y PBdata N LBdata N XDRead 52h N XDWrite 50h N XPWrite 51h N Table 6 Commands supported by Cheetah ...

Page 53: ...dels bytes 23 and 24 are 4C 57 For LC models bytes 23 and 24 are 4C 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 by setting the Inquiry command EVPD bit to one The SCSI Interface Product Manual part number 77738479 Section 5 1 1 3 1 lists the Vital Produ...

Page 54: ...ates 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 01 in the row entitled CHG These are hex numbers representing the changeable values for mode page 01 Note that bytes 04 05 06 and 07 are not changeable because those fields are all zeros If some chan...

Page 55: ...C0 0C 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 14 D0 00 00 00 0A 00 00 00 D6 02 00 00 01 00 24 00 2C 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 DEF 84 16 00 1B 32 0C 00 00 00 00 00 00 00 00 00 00 00 0...

Page 56: ...0 D6 02 00 00 01 00 24 00 2C 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 DEF 84 16 00 1B 32 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 27 3D 00 00 04 CHG 84 16 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 07 DEF 87 0A 00 0C E8 00 00 00 00 00 FF FF 07 CHG 87 0A 0F FF 00 00 00 00 00 00 FF FF 08 DEF 88 12 14 00 FF FF 00 00 FF FF...

Page 57: ...us Event Notification Y Attention Condition N Auto Contingent Allegiance Condition Y Contingent Allegiance Condition Y Deferred Error Handling Y Disconnect Reconnect N High voltage differential HVD interface available Y Low voltage differential LVD interface available Y Parameter Rounding controlled by the Round bit in Mode Select page 0 Y Queue tagging up to 64 Queue tags supported Y Reporting ac...

Page 58: ...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 given in sections following while the SCSI operational aspects of Seagate drive interfaces are given in the SCSI Interface Product Manual part number 77738479 9 6 1 DC cable and connector ST39102LW and ST3...

Page 59: ... SCSI I O connector Figure 13 ST39102LC and ST34502LC 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 12V ret 5V ret 5V J1 Pin 1 1P 2P 3P 4P J5 Pin 1A PCB J2 J6 80 pin SCSI I O Connector Pin 1 J2 ...

Page 60: ... a line in the interface cable specifically powered for that purpose ST39102LC ST39102LW ST34502LC and ST34502LW 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 equipment into which the drives will be integrated See Standard X3T10 1142D sections 6 4 and 6 5 for the maximum number of dev...

Page 61: ...nnector is keyed by means of its shape see Figure 15 9 6 4 2 Mating connectors for ST39102LC and ST34502LC drives The nonshielded connector shall be an 80 conductor connector consisting of two rows of 40 contacts with adja cent contacts 50 1 27 mm mils apart see 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...

Page 62: ...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 on the daisy chain 7 Open end type 68 pin connector used If end device use external terminator and closed end type 68 pin connector Figure 14 SCSI daisy chain interface cabling for LW drives Straight i...

Page 63: ... 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 1 650 41 91 980 24 89 1 368 37 74 767 19 48 050 1 27 218 5 54 Pos 1 022 050 020 047 0787 200 1 650 3937 600 346 3 650 005 270 155 ...

Page 64: ...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 Pin 41 Pin 80 Pin 1 Front View End View Top View Back View Insert mating I O connector Grounding Pins Grounding Pins ...

Page 65: ...e 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 49 GND GND 16 50 GND TermPwr 17 51 TermPwr TermPwr 18 52 TermPwr Reserved 19 53 Reserved GND 20 54 GND GND 21 55 ATN GND 22 56 GND GND 23 57 BSY GND 24 58 ACK GND 25 59 RST GND 26 60 MSG GND 27 61 ...

Page 66: ... 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 DIFFSNS 8 16 50 Ground TermPwr 17 51 TermPwr TermPwr 18 52 TermPwr Reserved 19 53 Reserved Ground 20 54 Ground ATN 21 55 ATN Ground 22 56 Ground BSY 23 57 BSY ACK 24 58 ACK RST 25 59 RST MSG 26 60 MSG S...

Page 67: ...NC 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 DBP 20 60 GND DB7 21 61 GND DB6 22 62 GND DB5 23 63 GND DB4 24 64 GND DB3 25 65 GND DB2 26 66 GND DB1 27 67 GND DB0 28 68 GND DP1 29 69 GND DB15 30 70 GND DB14 31 71 GND DB13 32 72 GND DB12 33 73 GN...

Page 68: ...6 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 20 60 DBP0 DB7 21 61 DB7 DB6 22 62 DB6 DB5 23 63 DB5 DB4 24 64 DB4 DB3 25 65 DB3 DB2 26 66 DB2 DB1 27 67 DB1 DB0 28 68 DB0 DBP1 29 69 DP1 DB15 30 70 DB15 DB14 31 71 DB14 DB13 32 72 DB13 DB12 33 73 D...

Page 69: ...ould be connected as shown 9 7 Electrical description ST39102LW ST39102LC ST34502LW and ST34502LC drives are multimode devices That is their I O cir cuits can operate as either single ended or low voltage differential drivers receivers selectable using the I O DIFFSENS line See ANSI Standard X3T10 1142D for details electrical specifications 9 7 1 Multimode SE and LVD alternatives When the interfac...

Page 70: ... 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 1 800 V X3T10 1142D revision 13 p 152 These voltages shall be measured between the output terminal and the SCSI device s logic ground reference Input characteristics shall additionally conform to EIA...

Page 71: ...ions cables of different impedances 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 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 especi...

Page 72: ...7 1 39 µs 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 Complete MSG T18 4 5 5 8 15 0 98 µs Command Complete MSG to Bus Free T19 4 5 5 8 15 0 51 µs Data to Save Data Pointer MSG T20 4 5 14 4 00 µs Save Data Pointer MSG to Disconnect MSG T21 4 5 14 0 79 µs Com...

Page 73: ...nsfer T32 4 5 5 7 8 14 15 0 04 µs MSG OUT Byte Transfer T33 4 5 2 0 04 µs STATUS Byte Transfer T34 4 5 5 8 15 0 04 µs Synchronous Data Transfer Characteristics Request Signal Transfer Period 3 various 800 ns max Table 19 Drive activity LED status Spindle status Command status LED status Spinning up with DC power applied N A On until spinup is complete Spun down Start Unit On while processing the c...

Page 74: ......

Page 75: ... services listed 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 specifications for disc drives and tape drives This service is available 24 hours daily and requires a touch tone phone International callers can reach this automated self help service by dial...

Page 76: ...ne number Australia 61 2 9756 5170 Germany 49 89 14305102 UK 44 1628 894084 USA 1 800 SEAGATE or Disc 405 936 1620 Tape 405 936 1640 Location Phone number Australia 61 2 9725 4052 France 33 1 46 04 42 50 Germany 49 89 14305100 Hong Kong 852 2368 7173 Japan 81 3 5462 2979 Korea 82 2 556 4251 7395 Singapore 65 488 7528 Taiwan 886 2 2715 2923 UK 44 1628 890660 USA Disc 405 936 1685 Tape 405 936 1683 ...

Page 77: ...al 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 0 800 90 90 52 Germany 0 800 182 6831 Ireland 1 800 55 21 22 Italy 1 677 90 695 Netherlands 0 800 732 4283 Norway 800 113 91 Poland 00 800 311 12 38 Spain 900 98 31 24 Sweden 0 207 90 073 Switzerland 0 ...

Page 78: ......

Page 79: ...11 bulkhead connector 50 bus device reset message 44 bytes per sector 42 bytes surface 9 bytes track 9 C cabinet cooling 36 cable 48 cache 10 11 12 cache buffer 7 cache miss 11 cache mode 10 cache operation 10 cache operation hit 12 cache segment 11 caching write data 11 Canadian Department of Communications 3 capacities 8 capacity drive programmable 8 case temperature 22 CE Marking 3 change defin...

Page 80: ...on 36 drive power 31 drive primary defects list 29 drive SCSI timing 62 drive select header 48 drive spindle 35 drive transfer 11 drive volume 31 drive warranty 15 dynamic spindle brake 7 E ECC 13 ECC correction capability 7 electrical characteristics 48 59 electromagnetic compatibility 3 electromagnetic interference EMI 13 electromagnetic susceptibility 26 embedded servo 7 EMC compliance 3 EMI re...

Page 81: ...agnetoresistive heads 5 mating connector 48 51 mating flat cable connector 51 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 induced error 13 medium error 13 message protocol 48 message protocol system 30 messages SCSI interface 39 miscellaneous features 47 mode page 01...

Page 82: ... look ahead 10 12 prefetch ceiling field 12 prefetch data 12 prefetch field 12 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 channel electronics 5 product data page 43 programmable drive capacity 8 R radio interference regulations 3 read 11 read comm...

Page 83: ...tandards 3 start motor command 19 start unit command 35 start stop time 10 status 30 stop spindle 10 stop time 10 storage capacity 29 straight in connector 52 strict bit in Mode page 00h 11 supply voltage 19 support services 65 synchronous data transfer 48 synchronous data transfer operation 63 synchronous data transfer period 48 synchronous transfer period 63 system chassis 37 system recovery pro...

Page 84: ...74 Cheetah 9LP Product Manual Rev C unrecoverable 13 write operation 11 write protect 35 write retry count 29 Z zoned bit recording ZBR 7 ...

Page 85: ......

Page 86: ...Seagate Technology Inc 920 Disc Drive Scotts Valley California 95066 4544 USA Publication Number 83329240 Rev C Printed in USA ...

Search results

Summary of Contents for Cheetah 9LP Series

Reviews:

Related manuals for Cheetah 9LP Series

Brands by name

Popular brands

Seagate Cheetah 9LP Series, Product Manual

Search results

Summary of Contents for Cheetah 9LP Series

Reviews:

Related manuals for Cheetah 9LP Series

Brands by name

Popular brands