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Cheetah 18LP FC Product Manual, Rev. D

Figure 5.

Typical ST318203FC drive +5V current profile

Figure 6.

Typical ST39103FC drive +5V current profile

0.0

0.5

1.0

1.5

Seconds

Amps

Average value of waveform

Envelope of waveform

+5 Volt Current during spindle start – Typical Amperes

0.0

0.5

1.0

1.5

Seconds

Amps

Average DC value of waveform

Envelope of waveform

+5 Volt Current during spindle start – Typical Amperes

T0 T1

T3 T4

Содержание ST318203FC

Страница 1: ...Cheetah 18LP FC Disc Drive ST318203FC ST39103FC Product Manual Volume 1...

Страница 2: ......

Страница 3: ...Cheetah 18LP FC Disc Drive ST318203FC ST39103FC Product Manual Volume 1...

Страница 4: ...ogy Inc Cheetah SeaFAX SeaFONE SeaBOARD and SeaTDD are either trademarks or registered trademarks of Seagate Technology Inc or one of its subsidiaries All other trademarks or registered trademarks are...

Страница 5: ...y sheet Revision Date Writer Engineer Sheets Affected A 03 29 99 L Newman P Kassel Class A Release B 05 20 99 L Newman D Rusch ECR DJD51090 C 06 16 99 L Newman D Rusch ECR DJD51095 D 07 30 99 L Newman...

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Страница 7: ...9 4 2 3 General 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...

Страница 8: ...login 38 9 1 5 Fibre Channel port login accept 39 9 1 6 Fibre Channel Process Login 39 9 1 7 Fibre Channel Process Login Accept 39 9 1 8 Fibre Channel fabric login 40 9 1 9 Fibre Channel fabric accep...

Страница 9: ...erations per second 23 Figure 8 DC current and power vs input output operations per second 23 Figure 9 Locations of PCBA components listed in Table 2 25 Figure 10 Recommended mounting 27 Figure 11 Mou...

Страница 10: ......

Страница 11: ...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 describ...

Страница 12: ......

Страница 13: ...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...

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...

Страница 15: ...e 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 med...

Страница 16: ...mmable auto write and read reallocation Reed Solomon error correction code Sealed head and disc assembly HDA No preventive maintenance or adjustments required Dedicated head landing zone Automatic shi...

Страница 17: ...ber of Blocks field changes the total drive capacity to the value in the Number of Blocks field A value greater than the maximum number of LBAs is rounded down to the maximum capacity 3 7 Factory inst...

Страница 18: ......

Страница 19: ...s See Section 9 5 FC AL physical interface on page 51 and the Fibre Channel Interface Manual part number 77767496 for additional timing details 4 2 1 Access time 4 2 2 Format command execution time fo...

Страница 20: ...the proper values in the applicable 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 c...

Страница 21: ...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 th...

Страница 22: ...s 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 hi...

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 int...

Страница 24: ...efines 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 operat...

Страница 25: ...detect any error Recovery is initiated based on the type of error The disc drive defaults to the FC AL Monitoring state Pass through state when it is powered on by switching the power or hot plugged...

Страница 26: ...ved to the disc so that the events that caused a predictive failure can be recre ated The drive measures and saves parameters once every two hours subject to an idle period on the FC AL bus The proces...

Страница 27: ...in accordance with Seagate s warranty procedure Seagate will pay for transporting the repair or replacement item to the customer For more detailed warranty information refer to the standard terms and...

Страница 28: ......

Страница 29: ...80 I Os per second Current and power speci fied at nominal voltages Decreasing 5 volt supply by 5 increases 5 volt current by 1 5 Decreas ing 12 volt supply by 5 increases 12 volt current by 1 4 7 Dur...

Страница 30: ...current profile and Figure 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 limit...

Страница 31: ...ev D 21 Figure 4 Typical ST39103FC drive 12V current profile 0 0 2 4 6 8 10 12 14 16 0 0 0 5 1 0 1 5 2 0 Seconds Amps Average DC value of waveform Peak AC envelope 12 Volt Current during spindle start...

Страница 32: ...t profile 0 4 8 12 16 20 24 28 32 0 0 0 5 1 0 1 5 Seconds Amps Average value of waveform Envelope of waveform 5 Volt Current during spindle start Typical Amperes 0 4 8 12 16 20 24 28 32 0 0 0 5 1 0 1...

Страница 33: ...s per second ST39103FC Typical power dissipation under idle conditions is 9 8 watts 33 5 BTUs per hour To obtain operating power for typical random read operations refer to the following I O rate curv...

Страница 34: ...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 requ...

Страница 35: ...e 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...

Страница 36: ...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 inte...

Страница 37: ...Cheetah 18LP FC Product Manual Rev D 27 Figure 10 Recommended mounting Z Y X Z Y X...

Страница 38: ...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 no...

Страница 39: ...44 kilograms R J H L B 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...

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Страница 41: ...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 option...

Страница 42: ...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 t...

Страница 43: ...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...

Страница 44: ...ber 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...

Страница 45: ...tion 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...

Страница 46: ...ether 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 desir...

Страница 47: ...CP 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 fra...

Страница 48: ...g 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 x...

Страница 49: ...0 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...

Страница 50: ...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...

Страница 51: ...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 of...

Страница 52: ...to prevent an address conflict Note When a ST318203FC drive is connected in loops with previous Seagate FC drive products Barracuda 4LP FC ST32171FC ST34371FC and ST34571FC Barracuda 9FC ST19171FC Che...

Страница 53: ...ef 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 R...

Страница 54: ...earch 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 W...

Страница 55: ...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...

Страница 56: ...re change able 2 Saved values Saved values are stored on the drive s media using a Mode Select command Only parameter values that are allowed to be changed can be changed by this method Parameters in...

Страница 57: ...indicates that in bytes 04 and 05 none of the bits are changeable Note also that bytes 06 07 09 10 and 11 are not changeable because those fields are all zeros In byte 02 hex value FF equates to the b...

Страница 58: ...0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 DEF 84 16 00 26 2C 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...

Страница 59: ...00 00 00 00 00 00 00 00 00 00 00 00 00 00 DEF 84 16 00 26 2C 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 8...

Страница 60: ...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...

Страница 61: ...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 avail...

Страница 62: ...hode 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 6...

Страница 63: ...mmon ground Pin Signal 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 p...

Страница 64: ...he 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 pr...

Страница 65: ...he 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 op...

Страница 66: ...ction 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...

Страница 67: ...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...

Страница 68: ...al without rise and fall time degradation You must AC couple the receiver to isolate potentially different DC characteristics of the outputs and the receiver Table 24 TTL characteristics State Voltage...

Страница 69: ...ics are provided in Table 27 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 d...

Страница 70: ......

Страница 71: ...m Using a touch tone phone you can obtain technical support information by return FAX 24 hours daily This service is available worldwide Presales Support Our Presales Support staff can help you determ...

Страница 72: ...660 4951 Adtech 1 905 812 8099 or 1 800 624 9857 FAX 1 905 812 7807 European Support Services For European customer support dial the toll free number for your specific country for presales support te...

Страница 73: ...00 p m European central time Monday through Fri day or send a FAX to 31 20 653 3513 The European call center is located in Amsterdam The Netherlands Asia Pacific Support Services Technical Support Aus...

Страница 74: ...64 Cheetah 18LP FC Product Manual Rev D...

Страница 75: ...rames 37 Basic_Accept BA_ACC 37 Basic_Reject BA_RJT 37 BB 38 41 BB Credit 38 41 buffer data 6 space 11 busy status 50 bypass circuit 15 Byte check command 44 bytes per surface 9 bytes per track 9 C ca...

Страница 76: ...ace 53 Enclosure services page command 43 environment 35 environmental interference 13 limits 24 requirements 13 environmental control 28 error detection mechanisms FC 15 management 31 rates 13 error...

Страница 77: ...average rotational 9 10 LBdata 45 LED driver signals 58 Link Service Reject LS_RJT 37 link services supported 37 Lock unlock cache command 44 Log select command 45 Log sense command 45 logic power 54...

Страница 78: ...P P_LOGI received on Port A 39 received on Port B 39 package size 26 packaged 26 parameter rounding 50 pass through state 15 PBC 51 55 PBdata 45 PCB temperature 24 PCBA 36 peak bits per inch 9 peak o...

Страница 79: ...atus 50 Reserve command 43 Reserved 10 command 45 resonance 26 return information 17 Rezero unit command 43 Rigid disc drive geometry page command 43 rotation speed 9 running disparity 15 S safety 3 S...

Страница 80: ...37 tracks per inch 9 tracks per surface 9 Translate page command 43 44 transmit eye diagram 59 transmitters 54 transporting the drive 17 TTL input characteristics 58 U UI 39 40 unique identifier 39 4...

Страница 81: ......

Страница 82: ...Seagate Technology Inc 920 Disc Drive Scotts Valley California 95066 4544 USA Publication Number 83329420 Rev D Printed in USA...

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