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Elite 9 Product Manual, Rev. C

35

8.0

Media characteristics

This section provides information regarding the media used in Elite 9 disc
drives.

8.1

Media description

The media used on the drive has a diameter of approximately 131.25 mm
(5.25 inches). The aluminum substrate is coated with a thin-film magnetic
material, which has a proprietary protective layer for improved durability and
environmental protection.

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Содержание Elite 9

Страница 1: ...Elite 9 Disc Drive ST410800N ND ST410800W WD Product Manual Volume 1...

Страница 2: ......

Страница 3: ...Elite 9 Disc Drive ST410800N ND ST410800W WD Product Manual Volume 1...

Страница 4: ...gate Technology Inc Elite SeaFAX SeaFONE SeaTDD and SeaBOARD are trademarks of Seagate Technology Inc Other product names are registered trademarks or trademarks of their owners Seagate reserves the r...

Страница 5: ...erface Product Manual Part Number 77738479 Revision status summary sheet Sheets Revision Date Writer Engineer affected A preliminary 01 10 30 93 L Newman L Clausen All A 12 10 93 L Newman L Clausen Al...

Страница 6: ......

Страница 7: ...s 11 5 2 1 Seek time 12 5 2 2 Format drive command execution time 12 5 3 General performance characteristics 13 5 4 Start stop time 13 5 5 Prefetch multi segmented cache control 14 5 5 1 Adaptive read...

Страница 8: ...6 2 Cooling 33 8 0 Media characteristics 35 8 1 Media description 35 9 0 Defect and error management 37 9 1 Defects and errors 37 10 0 Option headers 39 10 1 ST410800 option headers 39 10 2 Synchroniz...

Страница 9: ...Elite 9 drive typical mounting configuration dimensions 32 Figure 10 Elite 9 drive recommended mounting 33 Figure 11 ST410800 option header locations 39 Figure 12 Option select jumper connectors 40 Fi...

Страница 10: ...9 default values SCSI 2 implementation 50 Table 8 SCSI bus conditions and other miscellaneous features 51 Table 9 Synchronous data transfer periods 52 Table 10 Single ended cable pin assignments 60 T...

Страница 11: ...c drives Elite 9 drives support the small computer system interface 2 SCSI 2 as described in the ANSI SCSI and SCSI 2 interface specifications to the extent described in this manual The SCSI 2 Interfa...

Страница 12: ...2 Elite 9 Product Manual Rev C...

Страница 13: ...ed by law 2 1 Standards The Elite 9 disc drive is a UL recognized component per UL1950 CSA certified to CSA C22 2 No 950 M89 and VDE certified to VDE 0805 and EN60950 The Elite 9 disc drive is supplie...

Страница 14: ...4 Elite 9 Product Manual Rev C...

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

Страница 16: ...n automatic shipping lock prevents potential damage to the heads and discs The shipping lock disengages when power is applied to the drive and the head load process begins Elite9drivesdecodetrack0 loc...

Страница 17: ...ect reallocation scheme User selectable number of spare sectors per cylinder Industry standard 5 25 inch full high form factor dimensions 3 25 high 5 75 wide 8 00 deep Microcode downloadable using the...

Страница 18: ...r available capacity also depends on the spare reallocation scheme selected See the Mode Select command and the Format command in the SCSI 2 Interface Product Manual part number 77738479 4 3 Options T...

Страница 19: ...10800N and ST410800W drives have termination built in ensure that the internal terminator has not been disconnected see Section 10 1 for termination options ST410800ND and ST410800WD drives are termin...

Страница 20: ...10 Elite 9 Product Manual Rev C...

Страница 21: ...in process when a SCSI command is received the command is queued until compensation completes When compensation completes for the head the first queued SCSI command executes and the drive continues c...

Страница 22: ...head Figure 3 OEM interruptible thermal calibration implementation 5 2 1 Seek time Drive including controller overhead Drive level msec without disconnect msec read write read write Avg typical 11 12...

Страница 23: ...uredfrom the start of the first sector transfer to or from the host Assumes system ability to support 10 Mbytes sec and no cable loss Assumes system ability to support 20 Mbytes sec and no cable loss...

Страница 24: ...e cache is not enabled 960 Kbytes of the buffer are used as a circular buffer for read writes with no prefetch operation and no segmented cache operation The following is a simplified description of t...

Страница 25: ...ied from the prefetched data there is a reduction in performance due to prefetch overhead The adaptive read lookahead feature suspends the prefetch operation if three subsequent read I O requests are...

Страница 26: ...Sync Interface System Interface Figure 4 Synchronized drive interconnect diagram The host can reconfigure the drive any time after power up to be the master or a slave by using the Mode Select command...

Страница 27: ...generates a 90 Hz signal The signal is normally false negated nominal 0V and makes a transition to the true asserted nominal 5V level to indicate the reference position during the revolution period Ma...

Страница 28: ...s set to RPL Status Change You may operate the drive with a rotational skew when synchronized The rotationalskewisappliedintheretardeddirection laggingthesynchronized spindle master control A rotation...

Страница 29: ...onmental interference When evaluating system operation under conditions of electromagnetic interference EMI the performance of the drive within the system is considered acceptable if the drive does no...

Страница 30: ...local disc drive ambient temperature of 95 F 35 C or less Short term excursions up to the specification limits 122 F 45 C of the operating environment will not affect MTBF performance The following e...

Страница 31: ...gure 6 Air flow patterns 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 direction s...

Страница 32: ...et functional specifications Air flow cooling MTBF 500k hours Card Component Reference case temperature C R T U CYHX Transmitter U5 45 R T U CYHX Writer U35 46 R T U CYHX VIC2 U20 44 R T U CYHX VOLT M...

Страница 33: ...for this drive The drive s warranty is voided if the HDAis opened 6 2 6 Installation The drive is designed manufactured and tested with a plug in and play installation philosophy This philosophy mini...

Страница 34: ...24 Elite 9 Product Manual Rev C...

Страница 35: ...rential 5V 8 12V 5V 8 12V Voltage regulation 5 Notes 5 5 2 5 5 2 Amps Max operating current DC 3 1 0 95 1 85 1 4 1 85 Avg idle current DC X 1 12 0 665 1 57 0 71 1 57 Max start current peak DC 3 3 6 0...

Страница 36: ...ssible during initial start of the spindle and must return to 5 before reaching 5 400 RPM The 5 must be maintained after the drive signals that its power up sequence has been completed and that it can...

Страница 37: ...ering a band from DC to 10 MHz Maximum allowed noise values given below are peak to peak measurements and apply at the drive s power connector With spindle With spindle motor not running motor running...

Страница 38: ...currentlimitingafterperforming internal diagnostics T3 The spindle is up to speed and the head arm restraint is unlocked T4 Heads move from the landing zone to the data area T5 The adaptive calibratio...

Страница 39: ...C drive ambient temperature range with a maximum gradient of 36 F 20 C per hour b Non operating Non operating temperature should remain between 40 to140 F 40 to 60 C package ambient with a maximum gra...

Страница 40: ...ated 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 integrated dri...

Страница 41: ...ives The drive does not incur physical damage or degraded performance as a result of continuous vibration not exceeding 5 500 Hz 1 00 G Vibration may be applied in the X Y or Z axis 7 4 5 Air cleanlin...

Страница 42: ...ads 4 B C D E F J C G L 6 32 Threads 4 C G I I G H A Side A B C D E F G H I J K L 3 25 0 86 0 39 1 93 3 120 8 06 5 50 5 75 0 12 3 90 1 55 3 15 0 01 0 01 0 01 0 01 0 005 0 01 0 01 0 01 0 05 0 05 0 05 m...

Страница 43: ...ide Mounting Screws 2 on each side Note Either side or bottom mounting screws can be used with each drive orientation 1 1 1 2 2 Up Up 1 2 3 4 Drive Pin Power 1 2 3 4 12 VDC 12 Volts return 5 Volts ret...

Страница 44: ...34 Elite 9 Product Manual Rev C...

Страница 45: ...he media used in Elite 9 disc drives 8 1 Media description The media used on the drive has a diameter of approximately 131 25 mm 5 25 inches The aluminum substrate is coated with a thin film magnetic...

Страница 46: ...36 Elite 9 Product Manual Rev C...

Страница 47: ...flyoutlinedinthissection References to other sections are provided when necessary 9 1 Defects and errors Identified defects are recorded on the drive s defects list referred to as the primary or ETF d...

Страница 48: ...38 Elite 9 Product Manual Rev C...

Страница 49: ...9 drives using the option headerson thedrives These option headers may be used to customize the drive for use in your particular system 10 1 ST410800 option headers Figure 11 ST410800 option header l...

Страница 50: ...by 10 seconds if the Start Command jumper is disconnected J4B Spinup Delay Option Pin 1 Immediate spinup if the Start Command Option jumper is disconnected Start spindle after the SCSI bus sends a Sta...

Страница 51: ...bed in Section 11 7 3 3 21 22 Pins not installed 23 24 Spindle sync cable connector Pin 24 is the SSREF or reference index signal Pin 23 is Gnd J4B 1 2 Spinup Delayoption Thisjumperisused onlyif theSt...

Страница 52: ...e index signal SSREF is an output if the drive is configured as a master and is an input otherwise The reference index signal is connected from drive to drive in a daisy chain fashion as shown in Figu...

Страница 53: ...r this may increase radiated emissions and is the system designer s responsibility 10 2 1 2 Termination The reference index signal SSREF is terminated with a 2 21K ohm resistor Each drive has a spindl...

Страница 54: ...44 Elite 9 Product Manual Rev C...

Страница 55: ...h Y Y Abort tag 0Dh Y Y Bus device reset 0Ch Y Y Clear queue 0Eh N Y Command complete 00h Y Y Continue I O Process 12h N N Disconnect 04h Y Y Extended messages 01h Y Y Identify 80h FFh Y Y Ignore wide...

Страница 56: ...e Numbers Page N Y Implemented Operating Def Page N Y Jumper Settings Page N Y Unit Serial Number Page N Y Vital Product Data Page N Y Lock Unlock Cache 36h N N Log Select 4Ch Y Y Log Sense 4Dh Y Y Mo...

Страница 57: ...Y Extended Sense Y Y Field Pointer Bytes Y Y Reserve 16h Y Y Extent Reservation N N Third Party Reserve Y Y Reserve 10 byte 56h N Y Rezero Unit 01h Y Y Search Data Equal 31h N N Search Data High 30h N...

Страница 58: ...3 29 20 31 Copyright 112 127 39 39 34 20 53 65 61 67 61 74 65 20 41 6C 6C 20 notice 128 143 72 69 67 68 74 73 20 72 65 73 65 72 76 65 64 20 144 147 D D D D Copyright year changes with actual year 01 S...

Страница 59: ...22 23 Mode Sense 64 00 10 08 Data 00 FF FF FF 00 00 02 00 Mode page headers and parameter data bytes Mode Page DEF 01 81 06 04 1B 30 00 00 FF CHG 01 81 06 EF FF 00 00 00 00 DEF 02 82 0A 80 80 00 0A 00...

Страница 60: ...00 00 00 CHG 03 83 16 FF FF FF FF 00 00 FF FF 00 00 00 00 00 00 00 00 00 00 00 00 00 00 DEF 04 84 16 00 13 3E 1B 00 00 00 00 00 00 00 00 00 00 00 00 00 00 15 18 00 00 CHG 04 84 16 00 00 00 00 00 00 0...

Страница 61: ...trating system Y Y Disconnect reconnect Y Y Asynchronous data transfer Y Y Synchronous data transfer Y Y Synchronized locked spindle operation Y Y Differential interface circuits available Y Y Segment...

Страница 62: ...oseconds mega transfers second 25 100 10 0 31 125 8 0 37 150 6 66 50 200 5 00 62 250 4 00 75 300 3 33 87 350 2 85 100 400 2 50 11 5 2 REQ ACK offset The maximum REQ ACK offset supported by Elite 9 dri...

Страница 63: ...WD physical interface 11 7 SCSI physical interface Figure 15 illustrates the physical interface on Elite 9 drives Locations of the DC power connector the SCSI interface connector and the drive select...

Страница 64: ...7 1 2 1 11 7 1 2 2 and 11 7 1 2 3 describe the single ended differential and general cable requirements for Elite 9 drives 11 7 1 2 1 Single ended I O circuits The maximum total cable length for use...

Страница 65: ...same SCSI bus the effect of impedance mismatch must be carefully considered Proper impedance matching is especiallyimportanttomaintainadequatemarginatfastSCSItransferrates 11 7 2 Connector requiremen...

Страница 66: ...specified in Section 11 7 1 2 1 4 Source of drive terminator power is VR1 which has an input source voltage selected by a jumper 11 7 3 1 Single ended drivers receivers Typical single ended driver and...

Страница 67: ...rrent 55 milliamps Differential voltage 1 0V minimum with common mode voltage ranges from 7V DC to 12V DC Measure these voltages between the output terminal and the SCSI device s logic ground referenc...

Страница 68: ...or and drive Daisy chain configurations require you to terminate only the units at each end of the daisy chain Do not terminate any other peripheral on the chain All terminators in the daisychain must...

Страница 69: ...minator power for optional internal termination resistors using the drive s power connector The drive can provide power both to its own terminators and to the SCSI bus terminator power line pin 26 SCS...

Страница 70: ...4 DB P 18 C D 46 GROUND 20 REQ 48 GROUND 22 I O 50 GROUND 24 TERMPWR 26 GROUND 28 Notes 1 All odd pins except pin 25 are connected to ground Pin 25 is left open Caution Do not connect pin 25 to ground...

Страница 71: ...0 DB 3 DB 4 11 12 DB 4 DB 5 13 14 DB 5 DB 6 15 16 DB 6 DB 7 17 18 DB 7 DB P 19 20 DB P DIFFSENS 21 22 GROUND GROUND 23 24 GROUND TERMPWR 25 26 TERMPWR GROUND 27 28 GROUND ATN 29 30 ATN GROUND 31 32 GR...

Страница 72: ...62 Elite 9 Product Manual Rev C 2 54 100 46 13 1 816 5 54 218 12 19 480 0 40 016 52 32 2 060 Figure 21 Non shielded wide SCSI device connector 11 8 2 Wide SCSI interface...

Страница 73: ...GROUND 16 50 GROUND TERMPWR 17 51 TERMPWR TERMPWR 18 52 TERMPWR RESERVED 19 53 RESERVED GROUND 20 54 GROUND GROUND 21 55 ATN GROUND 22 56 GROUND GROUND 23 57 BSY GROUND 24 58 ACK GROUND 25 59 RST GROU...

Страница 74: ...TERMPWR 17 51 TERMPWR TERMPWR 18 52 TERMPWR RESERVED 19 53 RESERVED ATN 20 54 ATN GROUND 21 55 GROUND BSY 22 56 BSY ACK 23 57 ACK RST 24 58 RST MSG 25 59 MSG SEL 26 60 SEL C D 27 61 C D REQ 28 62 REQ...

Страница 75: ...tify 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 1 0 s Command complete MSG to bus free T19 4 5 5 8 15 0 75...

Страница 76: ...8 14 15 MSG OUT byte transfer T33 4 5 2 0 04 s STATUS byte transfer T34 4 5 5 8 0 04 s 4 5 15 Synchronous data transfer characteristics Request signal transfer period 3 various 800 ns Notes 1 See the...

Страница 77: ...data buffer 7 data buffer to from disc media 13 data heads number of 11 DC cable and connector 52 power requirements 25 defect and error management 37 diameter media disc 35 differential drivers recei...

Страница 78: ...ted 51 miscorrected data transferred 19 Mode Select command 14 Mode Sense data 49 modifying capacities 8 Motor Start command 13 mounting configuration dimensions 32 MTBF 19 multiple initiators 5 N noi...

Страница 79: ...ors 20 self configuring host software 5 service life 19 23 philosophy 23 tools 23 servo heads 11 shielded SCSI I O cable 9 shock 29 30 single endeddrivers receivers 56 single ended I O cable requireme...

Страница 80: ...70 Elite 9 Product Manual Rev C unrecovered data transferred 19 V vibration 29 30 VIC 2 LSI 17 voltage requirements 25 W write data caching 15 write errors 19 Write Protect option 41...

Страница 81: ...Elite 9 Product Manual Rev C 71...

Страница 82: ...Seagate Technology Inc 920 Disc Drive Scotts Valley California 95066 4544 USA Publication Number 83328860 Rev C Printed in USA...

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