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Cheetah 36LP FC Product Manual, Rev. C

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Содержание Cheetah 36LP ST318304FC

Страница 1: ... Cheetah 36LP FC Disc Drive ST336704FC FCV ST318304FC FCV Product Manual Volume 1 ...

Страница 2: ......

Страница 3: ... Cheetah 36LP FC Disc Drive ST336704FC FCV ST318304FC FCV Product Manual Volume 1 ...

Страница 4: ...y LLC Cheetah SeaFAX SeaFONE SeaBOARD and SeaTDD are either trademarks or registered trademarks of Seagate Technology LLC or one of its subsidiaries All other trade marks or registered trademarks are the property of their respective owners No part of this publication may be reproduced in any form without written permission from Seagate Technology LLC Printed in the United States of America ...

Страница 5: ...Revision Date Writer Engineer Sheets Affected A 7 26 2000 L Newman G Velaski 1 1 v thru viii 1 thru 72 B Class A Release 8 24 2000 L Newman G Velaski Page 10 C 8 29 2000 L Newman G Velaski Pages 6 9 10 41 42 43 47 48 52 55 60 and 61 ...

Страница 6: ......

Страница 7: ...al performance characteristics 10 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 5 0 Reliability specifications 13 5 1 Error rates 13 5 1 1 Environmental interference 13 5 1 2 Write errors 13 5 1 3 Seek errors 13 5 2 Reliability and service 14 5 2 1 Mean time between failure MTBF 14 5 2 2 Field fai...

Страница 8: ...5 Fibre Channel port login accept 41 9 1 6 Fibre Channel Process Login 41 9 1 7 Fibre Channel Process Login Accept 41 9 1 8 Fibre Channel fabric login 42 9 1 9 Fibre Channel fabric accept login 43 9 1 10 Fibre Channel Arbitrated Loop options 44 9 2 Dual port support 44 9 3 SCSI commands supported 45 9 3 1 Inquiry data 48 9 3 2 Mode Sense data 48 9 4 Miscellaneous operating features and conditions ...

Страница 9: ...operations per second 25 Figure 8 ST318304FC DC current and power vs input output operations per second 25 Figure 9 Locations of PCBA components listed in Table 2 27 Figure 10 Recommended mounting 29 Figure 11 Mounting configuration dimensions 31 Figure 12 Physical interface 35 Figure 13 LED indicator connector 36 Figure 14 Air flow 37 Figure 15 Physical interface 53 Figure 16 Port bypass circuit ...

Страница 10: ......

Страница 11: ...C drives support the Fibre Channel Arbitrated Loop and SCSI Fibre Channel Protocol specifi cations to the extent described in this manual The Fibre Channel Interface Manual part number 77767496 describes the general Fibre Channel Arbitrated Loop characteristics of this and other Seagate Fibre Channel drives Figure 1 Cheetah 36LP FC family disc drive ...

Страница 12: ...2 Cheetah 36LP FC Product Manual Rev C ...

Страница 13: ...when 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 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 1 1 Electromag...

Страница 14: ... Signaling Interface 2 X3 303 1998 FC PH 3 Fibre Channel Physical and Signaling Interface 3 X3 272 1996 FC Arbitrated Loop FC AL X3 269 1996 Fibre Channel Protocol for SCSI FCP NCITS TR 19 Private Loop SCSI Direct Attach PLDA NCITS TR 20 Fabric Loop Attachment FC FLA SFF 8045 Specification for 40 pin SCA 2 Connector with Parallel Selection SFF 8067 Specification for 40 pin SCA 2 Connector with Bid...

Страница 15: ...HDA environment See Figure 2 for an exploded view of the drive Never disassemble the HDA This exploded view is for informa tion only Do not attempt to service items in the sealed enclosure heads media actuator etc as this requires special facilities The drive contains no parts replaceable by the user and opening the HDA for any reason voids your warranty Figure 2 Cheetah 36LP FC disc drive Cheetah...

Страница 16: ...and disc assembly HDA No preventive maintenance or adjustments required Dedicated head landing zone Automatic shipping lock Embedded Grey Code track address to eliminate seek errors Self diagnostics performed at power on 1 1 interleave Zone bit recording ZBR Vertical horizontal or top down mounting Dynamic spindle brake 4 096 Kbyte data buffer 16 384 Kbytes on FCV drives See Section 4 5 Embedded s...

Страница 17: ... 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 36LP FC Installation Guide part number 83329481 3 8 Factory installed options You may order the following items which are incorporated at the manufacturing facility during production or packaged before shipping S...

Страница 18: ...8 Cheetah 36LP FC Product Manual Rev C ...

Страница 19: ...Avg rotational latency 2 99 2 99 msec 4 2 Seek performance characteristics 4 2 1 Access time 4 2 2 Format command execution time for 512 byte sectors Including controller overhead without disconnect 1 2 msec 1 Execution time measured from receipt of the FCP Command to the FCP Response 2 Assumes no errors and no sector has been relocated Not including controller overhead without disconnect 1 2 msec...

Страница 20: ...icable bytes in page 08h Prefetch and cache operations are independent features from the standpoint that each is enabled and disabled independently using the Mode Select command however in actual opera tion the prefetch feature overlaps cache operation somewhat as described in sections 4 5 1 and 4 5 2 All default cache and prefetch mode parameter values Mode Page 08h for standard OEM versions of t...

Страница 21: ... in accordance with the Mode Select Disconnect Reconnect parameters page 02h 3 If the prefetch feature is enabled refer to section 4 5 2 for operation from this point Case B A Read command requests data and the first logical block is not in any segment of the cache 1 The drive fetches the requested logical blocks from the disc and transfers them into a segment and then from there to the host in ac...

Страница 22: ...tored in the buffer for immediate transfer from the buffer to the host on subsequent Read commands that request those logical blocks this is true even if cache opera tion is disabled Though the prefetch operation uses the buffer as a cache finding the requested data in the buffer is a prefetch hit not a cache operation hit To enable Prefetch use Mode Select page 08h byte 12 bit 5 Disable Read Ahea...

Страница 23: ... or FC AL interface is not recovered by normal drive or system recovery procedures without operator intervention 5 1 2 Write errors Write errors can occur as a result of media defects environmental interference or equipment malfunction Therefore write errors are not predictable as a function of the number of bits passed If an unrecoverable write error occurs because of an equipment malfunction in ...

Страница 24: ... failure The following expression defines MTBF Estimated power on operating hours means power on hours per disc drive times the total number of disc drives in service Each disc drive must have accumulated at least nine months of operation Data is 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 aver...

Страница 25: ...r or hot plugged The control line to an optional port bypass circuit external to the drive defaults to the Enable Bypass state If the bypass circuit is present the next device in the loop will continue to receive the output of the previous device to the newly inserted device If the bypass circuit is not present loop operation is temporarily disrupted until the next device starts receiving the outp...

Страница 26: ...controlled by the MRIE bits in the Informational Exceptions Control mode page 1Ch Subject to the reporting method the firmware will issue to the host an 01 5Dxx sense code The error code is preserved through bus resets and power cycles Determining rate S M A R T monitors the rate at which errors occur and signals a predictive failure if the rate of degraded errors increases to an unacceptable leve...

Страница 27: ...l be reported regardless of the number of retries required to recover the data The following conditions are considered DST failure conditions Seek error after retries are exhausted Track follow error after retries are exhausted Read error after retries are exhausted Write error after retries are exhausted Recovered errors will not be reported as diagnostic failures 5 2 9 2 Implementation This sect...

Страница 28: ... block will be deleted The new parameter block will be initialized as follows 1 The Function Code field is set to the same value as sent in the DST command 2 The Self Test Results Value field is set to Fh 3 The drive will store the log page to non volatile memory After a self test is complete or has been aborted the drive updates the Self Test Results Value field in its Self Test Results Log page ...

Страница 29: ...ping a drive use only a Seagate approved container Keep your original box Seagate approved containers are easily identified by the Seagate Approved Package label Shipping a drive in a non approved container voids the drive warranty Seagate repair centers may refuse receipt of components improperly packaged or obviously damaged in tran sit Contact your authorized Seagate distributor to purchase add...

Страница 30: ...20 Cheetah 36LP FC Product Manual Rev C ...

Страница 31: ...s defined as random 8 block reads at 210 I Os per second Current and power speci fied at nominal voltages Decreasing 5 volt supply by 5 increases 5 volt current by 3 6 Decreasing 12 volt supply by 5 increases 12 volt current by 3 7 During idle the drive heads are relocated every 60 seconds to a random location within the band from track zero to one fourth of maximum track General DC power requirem...

Страница 32: ...nt profiles Figure 3 identifies the drive 12V current profile The current during the various times is as shown T0 Power is applied to the drive T1 Controller self tests are performed T2 Spindle begins to accelerate under current limiting after performing internal diagnostics T3 Spindle is up to speed and the Head Arm restraint is unlocked Note All times and currents are typical See Table 1 for max...

Страница 33: ...rrent profile 0 0 2 4 6 8 10 12 14 16 0 0 0 5 1 0 A 1 5 2 0 Seconds Envelope of waveform T0 T3 T5 12 Volt Current during spindle start Typical Amperes T1 Average value of waveform T2 T4 0 4 8 12 16 20 24 28 32 0 0 0 5 1 0 A 1 5 Seconds Envelope of waveform 5 Volt Current during spindle start Typical Amperes Average value of waveform ...

Страница 34: ... Manual Rev C Figure 6 Typical ST318304FC drive 5V current profile 0 2 4 6 8 10 12 14 16 0 0 0 5 1 0 A Seconds Envelope of waveform 5 Volt Current during spindle start Typical Amperes Average value of waveform T1 T2 T3 T5 T4 T0 ...

Страница 35: ...nd ST318304FC Typical power dissipation under idle conditions is 9 6 watts 32 76 BTUs per hour To obtain operating power for typical random read operations refer to the following I O rate curve see Figure 7 Locate the typical I O rate for a drive in your system on the horizontal axis and read the corresponding 5 volt current 12 volt current and total watts on the vertical axis To calculate BTUs pe...

Страница 36: ... specified MTBF Air flow may be needed to achieve these temperatures see Section 8 4 1 Continual or sustained operation at case temperatures above these values may degrade MTBF To confirm that the required cooling for the electronics and HDA is provided place the drive in its final mechanical configuration perform random write read operations After the temperatures stabilize measure the case tempe...

Страница 37: ...re 9 Locations of PCBA components listed in Table 2 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 operating 5 to 95 non condensing relative humidity 6 4 3 Effective altitude sea level a Operating 1 000 to 10 000 feet 305 to 3 048 meters b Non operating 1 000 ...

Страница 38: ... 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 integrated drives The drive subjected to nonrepetitive shock not exceeding 75 Gs at a maximum dur...

Страница 39: ...Cheetah 36LP FC Product Manual Rev C 29 Figure 10 Recommended mounting Z Y X Z Y X ...

Страница 40: ...rating abnormal translational random flat profile 10 500 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 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 2...

Страница 41: ...S K 1 Z T Z F 1 D E C G P X X U A M Z Z X N 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 50 101 60 6 35 41 60 4 6...

Страница 42: ...32 Cheetah 36LP FC Product Manual Rev C ...

Страница 43: ...s When an error occurs during drive operation the drive if programmed to do so performs error recovery proce dures to attempt to recover the data The error recovery procedures used depend on the options previously set in the Error Recovery Parameters mode page Error recovery and defect management may involve using sev eral SCSI commands described in the Fibre Channel Interface Manual The drive imp...

Страница 44: ...ill end with Check Condition status and an unrecoverable read error will be reported 7 3 FC AL system errors Information on the reporting of operational errors or faults across the interface is given in the Fibre Channel Interface Manual The FCP Response returns information to the host about numerous kinds of errors or faults The Receive Diagnostic Results reports the results of diagnostic operati...

Страница 45: ...s condition If you set the AL_PA on the backpanel to a value of 0 the system issues a unique soft assigned physical address auto matically Loop initialization is the process used to verify or obtain an address The loop initialization process is per formed when power is applied to the drive when a device is added or removed from the Fibre Channel loop or when a device times out attempting to win ar...

Страница 46: ...mber 690 006 8 3 Drive orientation The drive may be mounted in any orientation All drive performance characterizations however have been done with the drive in horizontal discs level and vertical drive on its side orientations which are the two pre ferred mounting orientations 8 4 Cooling Cabinet cooling must be designed by the customer so that the ambient temperature immediately surrounding the d...

Страница 47: ...ing air as shown in the illustrations Conduction convection or other forced air flow patterns are acceptable as long as the temperature measurement guide lines of Section 6 4 1 are met Figure 14 Air flow 8 5 Drive mounting Mount the drive using the bottom or side mounting holes If you mount the drive using the bottom holes ensure that you do not physically distort the drive by attempting to mount ...

Страница 48: ...ng Signal ground PCBA and HDA ground are connected together in the drive and cannot be separated by the user The equipment in which the drive is mounted is connected directly to the HDA and PCBA with no electri cally isolating shock mounts If it is desired for the system chassis to not be connected to the HDA PCBA ground the systems integrator or user must provide a nonconductive electrically isol...

Страница 49: ...FCP response codes returned for task management functions supported Table 4 Link services supported Type of frame Link service Basic link service frames Abort Sequence ABTS Basic link service reply frames Basic_Accept BA_ACC Basic_Reject BA_RJT Extended link service frames N_Port Login PLOGI Fabric Login FLOGI Logout LOGO Process Login PRLI Process Logout PRLO Read Link Status RLS Fabric Address N...

Страница 50: ...ng offset Must 1 Random relative offset Not checked Port Login Accept will return a 0 not supported Valid version level x N_Port F_Port Must 0 N_Port Alternate credit model Must 1 Other bits reserved xxx XX FS Receive buffer field size The FS field in the common and Class 3 parameters is checked for the range 128 FS 2 112 and a multiple of four bytes For multiple frame sequences all frames but the...

Страница 51: ...00 00 00 00 00 00 00 00 00 Class 1 48 51 00 00 00 00 52 63 00 00 00 00 00 00 00 00 00 00 00 00 Class 2 64 67 00 00 00 00 68 79 80 00 00 00 00 00 FS FS 00 FF 00 00 Class 3 80 83 00 01 00 00 84 95 00 00 00 00 00 00 00 00 00 00 00 00 Reserved 96 99 00 00 00 00 100 111 00 00 00 00 00 00 00 00 00 00 00 00 Vendor 112 115 00 00 00 00 Version FS Receive buffer field size The drive returns and uses the rec...

Страница 52: ... 00 00 00 Class 1 48 51 00 00 00 00 52 63 00 00 00 00 00 00 00 00 00 00 00 00 Class 2 64 67 00 00 00 00 68 79 80 00 00 00 00 00 08 40 00 00 00 00 Class 3 80 83 00 00 00 00 84 95 00 00 00 00 00 00 00 00 00 00 00 00 Reserved 96 99 00 00 00 00 100 111 00 00 00 00 00 00 00 00 00 00 00 00 Vendor 112 115 00 00 00 00 Version UI Unique identifier This 24 bit field is uniquely assigned to the drive This sa...

Страница 53: ...t checked The FC AL drive uses BB Credit of zero 0 CF Common features This binary field selects the common features requested by the fabric login MSB Continuously increasing offset x Random relative offset x Valid version level x N_Port F_Port Must 1 F_Port Alternate credit model Must 1 Other bits reserved xxx XX FS Receive buffer field size The FS field in the common and Class 3 parameters is che...

Страница 54: ... to prevent an address conflict Note When a Cheetah 36LP FC drive is connected in loops with previous Seagate FC drive products Barracuda 4LP FC ST32171FC ST34371FC and ST34571FC Barracuda 9FC ST19171FC Cheetah 4LP FC ST34501FC Cheetah 9FC ST19101FC the connection of Port A and B for these products must follow the requirements in their product manu als Subject to buffer availability the Cheetah 36...

Страница 55: ...def page Y Firmware numbers page Y Date code page Y Jumper settings page 15h Y Mode select same pages as Mode Sense command shown below 3 16h Y Reserve N 3rd party reserved N Extent reservation 17h Y Release 18h N Copy 1Ah Y Mode sense Y Unit attention page 00h Y Error recovery page 01h Y Disconnect reconnect control page 02h Y Format page 03h Y Rigid disc drive geometry page 04h Y Verify error re...

Страница 56: ...Search data equal 32h N Search data low 33h N Set limits 34h N Prefetch 35h Y Synchronize cache 36h N Lock unlock cache 37h Y Read defect data 39h N Compare 3Ah N Copy and verify 3Bh Y Write buffer Y Write combined header and data mode 0 Y Write data mode 2 N Download microcode mode 4 Y Download microcode and save modes 5 N Download microcode with offsets mode 6 Y Download microcode with offsets a...

Страница 57: ...special request 40h N Change definition 41h Y Write same N PBdata N LBdata 42 4Bh N Not used 4Ch Y Log Select 4Dh Y Log Sense 4E 4Fh N Not used 50h A XD write 51h A XP write 52h A XD read 53 54h N Not used 55h Y Mode Select 10 3 56h Y Reserved 10 Y 3rd party reserve N Extent reservation 57h Y Released 10 58 59h N Not used 5Ah Y Mode Sense 10 3 5B 5Dh N Not used 5E A Persistent reserve in 5F A Pers...

Страница 58: ...es list that are not changeable by the Mode Select command get their values from default values storage When power is applied to the drive it takes saved values from the media and stores them as current values in volatile memory It is not possible to change the current values or the saved values with a Mode Select command before the drive achieves operating speed and is ready An attempt to do so r...

Страница 59: ... In byte 02 hex value FF equates to the binary pattern 11111111 If there is a zero in any bit position in the field it means that bit is not changeable Since all of the bits in byte 02 are ones all of these bits are changeable The changeable values list can only be changed by downloading new firmware into the flash E PROM Note Because there are often several different versions of drive control fir...

Страница 60: ...00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 DEF 84 16 00 37 14 0C 00 00 00 00 00 00 00 00 00 00 00 00 00 00 27 20 00 00 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 DEF 87 0A 00 0B F0 00 00 00 00 00 FF FF CHG 87 0A 0F FF 00 00 00 00 00 00 FF FF DEF 88 12 14 00 FF FF 00 00 FF FF FF FF 80 10 00 00 00 00 00 00 CHG 88 12 B5 00 00 00 FF FF FF FF 00 00 A0 FF 00 00 00 00 0...

Страница 61: ...00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 DEF 84 16 00 37 14 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 27 20 00 00 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 DEF 87 0A 00 0B F0 00 00 00 00 00 FF FF CHG 87 0A 0F FF 00 00 00 00 00 00 FF FF DEF 88 12 14 00 FF FF 00 00 FF FF FF FF 80 10 00 00 00 00 00 00 CHG 88 12 B5 00 00 00 FF FF FF FF 00 00 A0 FF 00 00 00 00 0...

Страница 62: ... notification N Synchronized locked spindle operation Y Segmented caching N Zero latency read Y Queue tagging up to 128 queue tags supported Y Deferred error handling Y Parameter rounding controlled by Round bit in Mode Select page 0 Y Reporting actual retry count in Extended Sense bytes 15 16 and 17 N Adaptive caching Y SMP 1 in Mode Select command needed to save RPL and rotational offset bytes T...

Страница 63: ... together or with other compatible FC AL devices A maxi mum of 127 devices may have addresses however one of the addresses is reserved for a fabric port switch device This means 126 addresses are available for FC AL devices More FC AL compatible devices may phys ically reside on the loop but they will not be functional because they would not be able to obtain valid addresses Port bypass circuits P...

Страница 64: ...thode 40 512 220 91 101N With polarization Molex 40 717431040 With polarization 1 618 003 in 41 1 0 08 mm 0 197 003 in 5 00 08 mm 2 places 1 28 in 32 47 mm 64 in 16 24 mm Pin 40 Pin 20 Pin 21 Pin 1 1 618 003 in 41 10 0 08 mm 1 492 009 in 37 90 0 24 mm 6 71 0 18 mm 0 25 mm 0 264 007 in 010 in typ 05 in 1 27 mm min 0 226 in 6 50 mm min 0 024 in 0 60 mm min 0 039 in 0 75 mm 2 places 0 051 006 in 1 30...

Страница 65: ...al name Signal type Pin Signal name Signal type 1 EN bypass port A TTL output 21 12 Volts charge 2 12 Volts 22 Ground 3 12 Volts 23 Ground 4 12 Volts 24 Port A_in Diff PECL input pair 5 Parallel ESI 25 Port A_in 6 Ground 1 26 Ground 7 Active LED out Open collector out 27 Port B_in Diff PECL input pair 8 Reserved 28 Port B_in 9 Start_1 TTL input 29 Ground 10 Start_2 TTL input 30 Port A_out Diff PEC...

Страница 66: ...the drive filter capacitors to charge Current to the drive through the long charge pins is limited by the system in which the drive operates Three of the 12 volt pins are shorter to allow capacitive pre charging through the longer 12 volt charge pin Two of the 5 volt pins are shorter to allow capacitive precharging through the longer 5 volt charge pin 9 5 7 Fault LED Out The Fault LED Out signal i...

Страница 67: ...The state of these signals can be wired into the backplane socket or driven by logic on the backplane 9 5 11 SEL_6 through SEL_0 ID lines The SEL_6 through SEL_0 ID lines determine drive address and optionally for an Enclosure Services Inter face When the Parallel ESI line is high the enclosure backpanel must provide address information on the SEL line Refer to table 23 for a mapping of SEL to FC ...

Страница 68: ...nction of the SEL lines A high level the default state indicates the drive requires address informa tion on the SEL lines A low level indicates the drive is attempting an ESI transfer The enclosure may not sup port ESI on any or all drive locations It may only support the address function Support of ESI is discovered by the drive Refer to the Fibre Channel Interface Manual for a description of ESI...

Страница 69: ...E 14 7C 39 57 34 64 100 CE 0F 15 7A 3A 58 33 65 101 CD 10 16 79 3B 59 32 66 102 CC 11 17 76 3C 60 31 67 103 CB 12 18 75 3D 61 2E 68 104 CA 13 19 74 3E 62 2D 69 105 C9 14 20 73 3F 63 2C 6A 106 C7 15 21 72 40 64 2B 6B 107 C6 16 22 71 41 65 2A 6C 108 C5 17 23 6E 42 66 29 6D 109 C3 18 24 6D 43 67 27 6E 110 BC 19 25 6C 44 68 26 6F 111 BA 1A 26 6B 45 69 25 70 112 B9 1B 27 6A 46 70 23 71 113 B6 1C 28 69 ...

Страница 70: ...rough the indicator connector J6 See Table 26 for the output characteristics of the LED drive signals Table 24 Device control code values 2 pin 17 1 pin 18 0 pin 39 Definition 0 0 0 Power failure warning 0 0 1 Reserved for auto negotiation of link rate 0 1 0 Reserved 0 1 1 Reserved 1 0 0 Reserved 1 0 1 Reserved 1 1 0 2 125 GHz operation on both ports 1 1 1 1 0625 GHz operation on both ports Table ...

Страница 71: ...igure 20 Transmit eye diagram 9 6 4 Differential PECL input The serial PECL input signal voltage characteristics are provided in Table 28 Figure 21 provides the data valid eye diagram for typical and minimum requirements to recover data at the specified interface error rate The inputs are AC coupled on the drive Table 29 lists the data values Figure 21 Receive eye diagram Table 27 Differential PEC...

Страница 72: ...62 Cheetah 36LP FC Product Manual Rev C Table 29 Eye diagram data values Link rate 1 GHz 2 GHz Bit time 941 ps 470 ps XMIT eye 725 ps min 315 ps min RCV eye Typical 659 ps 305 ps Minimum 395 ps 226 ps ...

Страница 73: ...fast and easy comparison shop ping and seamless integration with key distributors for a one stop shopping experience For support questions and comments http reseller seagate com benefits T1 html or 1 877 271 3285 toll free 9 A M to 7 P M eastern time Monday through Friday SeaBOARD is a computer bulletin board system that contains information about Seagate disc and tape drive products and is availa...

Страница 74: ...on 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 Support Services Presales Support Call Center Toll free Direct dial FAX Disc 1 877 271 3285 405 936 1210 1 405 936 1683 Tape 1 800 626 6637 1 714 641 2500 1 714 641 2410 Server Appliance 1 800 732 4283 1 40...

Страница 75: ... For presales technical support warranty service and FAX services in Africa and the Middle East dial our European call center at 31 20 316 7222 from 8 30 A M to 5 00 P M European central time Monday through Friday or send a FAX to 31 20 653 3513 The European call center is located in Amsterdam The Nether lands Asia Pacific Support Services For Asia Pacific presales and technical support dial the t...

Страница 76: ...66 Cheetah 36LP FC Product Manual Rev C ...

Страница 77: ...frames 39 Basic_Accept BA_ACC 39 Basic_Reject BA_RJT 39 BB 40 43 BB Credit 40 43 buffer data 6 space 11 busy status 52 bypass circuit 15 Byte check command 46 bytes per surface 9 bytes per track 9 C cache operation 11 cache segments 11 Caching parameters page 08h command 45 caching write data 11 Canadian Department of Communications 3 capacity formatted 7 unformatted 7 9 case temperature 26 CF 40 ...

Страница 78: ...ass port A 57 port B 57 signal 57 state 15 Enclosure Services interface 55 Enclosure services page command 45 environment 37 environmental interference 13 limits 26 requirements 13 environmental control 30 error detection mechanisms FC 15 management 33 rates 13 error correction code 96 bit Reed Solomon 6 Error recovery page 01h command 45 extended link service frames 39 reply frames 39 Extended se...

Страница 79: ...6 connector 35 36 Jumper settings page command 45 jumpers 35 L latency average rotational 9 10 LBdata 47 LED driver signals 60 link rate 60 Link Service Reject LS_RJT 39 link services supported 39 Lock unlock cache command 46 Log select command 47 Log sense command 47 logic power 56 logical block address 11 logical block reallocation scheme 6 logical block size 6 10 logical segments 11 Logout LOGO...

Страница 80: ...istortion 37 overhead time for head switch 10 for one track cylinder switch 10 P P_LOGI received on Port A 41 received on Port B 41 package size 28 packaged 28 parameter rounding 52 pass through state 15 PBC 53 57 PBdata 47 PCB temperature 26 PCBA 38 peak bits per inch 9 peak operating current 21 peak to peak measurements 22 PECL input 61 performance characteristics detailed 9 general 10 performan...

Страница 81: ... reporting actual retry count 52 Request sense command 45 reservation conflict status 52 Reserve command 45 Reserved 10 command 47 resonance 28 return information 19 Rezero unit command 45 Rigid disc drive geometry page command 45 rotation speed 9 running disparity 15 S safety 3 SCA part numbers 54 SCSI interface commands supported 45 SCSI Interface Product Manual 3 Search data equal command 46 hi...

Страница 82: ...eady command 45 Third party Process Logout TRPLO 39 tracks per inch 9 tracks per surface 9 Translate page command 45 46 transmit eye diagram 61 transmitters 56 transporting the drive 19 TTL input characteristics 60 U UI 41 42 unique identifier 41 42 Unit attention page 00h command 45 Unit serial number page command 45 unrecoverable error 13 write error defined 13 unrecovered media data 13 V Valid ...

Страница 83: ......

Страница 84: ...Seagate Technology LLC 920 Disc Drive Scotts Valley California 95066 4544 USA Publication Number 83329480 Rev C Printed in USA ...

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