Seagate ST336704FC Product Manual
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Seagate ST336704FC Product Manual

Seagate ST336704FC Product Manual

Fibre channel disc drives
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Cheetah 36LP FC Disc Drive
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ST336704FC/FCV
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ST318304FC/FCV
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Product Manual, Volume 1
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  • Page 1 ..........ST336704FC/FCV .
  • Page 3 ..........ST336704FC/FCV .
  • Page 4 Seagate, Seagate Technology, and the Seagate logo are registered trademarks of Seagate Tech- nology, 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.
  • Page 5 Revision status summary sheet Revision Date Writer/Engineer Sheets Affected 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. 8/29/2000 L. Newman/G. Velaski Pages 6, 9, 10, 41, 42, 43, 47, 48, 52, 55, 60, and 61.

  • Page 7: Table Of Contents

    Cheetah 36LP FC Product Manual, Rev. C Contents Scope ................1 Applicable standards and reference documentation.
  • Page 8 Seagate Technology support services........
  • Page 9 Typical ST336704FC drive +12V current profile ........

  • Page 11: Scope

    Cheetah 36LP FC 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.
  • Page 12 Cheetah 36LP FC Product Manual, Rev. C...

  • Page 13: Applicable Standards And Reference Documentation

    Mounting by bottom holes must meet the requirements of Section 8.5. Standards The Cheetah 36LP FC family complies with Seagate standards as noted in the appropriate sections of this manual and the Seagate Fibre Channel Interface Manual, part number 77767496.

  • Page 14: Reference Documents

    If this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZS3548 1995 and meets the Electromagnetic Compatibility (EMC) Framework requirements of Australia’s Spectrum Man- agement Agency (SMA). Reference documents Cheetah 36LP FC Installation Guide Seagate part number: 83329481 Fibre Channel Interface Manual Seagate part number: 77767496 ANSI Fibre Channel Documents X3.230-1994 FC Physical and Signaling Interface (FC-PH) X3.297.1997...

  • Page 15: General Description

    Cheetah 36LP FC Product Manual, Rev. C General description Cheetah 36LP FC drives combine giant magnetoresistive (GMR) heads, partial response/maximum likeli- hood (PRML) read channel electronics, embedded servo technology, and a Fibre Channel interface to provide high performance, high capacity data storage for a variety of systems including engineering workstations, net- work servers, mainframes, and supercomputers.

  • Page 16: Standard Features

    Cheetah 36LP FC Product Manual, Rev. C Standard features Cheetah 36LP FC drives have the following standard features: • Integrated dual port FC-AL controller • Concurrent dual port transfers • Support for FC arbitrated loop, private and public attachment • Differential copper FC drivers and receivers •...

  • Page 17: Unformatted And Formatted Capacities

    Formatted capacity depends on the spare reallocation sectors scheme selected, the number of data tracks per sparing zone, and the number of alternate sectors (LBAs) per sparing zone. The following table shows the standard OEM model capacity: Formatted Unformatted ST336704FC/FCV 0445DCC9h (36.7) Gbytes 43.7 Gbytes ST318304FC/FCV 223906Fh (18.35) Gbytes 21.85 Gbytes...
  • Page 18 Cheetah 36LP FC Product Manual, Rev. C...

  • Page 19: Performance Characteristics

    Cheetah 36LP FC Product Manual, Rev. C Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Cheetah 36LP FC drives. Internal drive characteristics ST336704FC/FCV ST318304FC/FCV Drive capacity 36.7 ......18.35........ Gbytes (formatted, rounded off value) Read/write data heads 12 ......

  • Page 20: General Performance Characteristics

    Cheetah 36LP FC Product Manual, Rev. C 4.2.3 General performance characteristics Minimum sector interleave 1 to 1 Data buffer to/from disc media (one 512-byte logical block)* Minimum 26.7 MBytes/sec Average 33.0 MBytes/sec Maximum 40.2 MBytes/sec Fibre Channel Interface maximum instantaneous transfer rate 1 GHz 2 GHz 106 Mbytes/sec* per...

  • Page 21: Cache Operation

    Cheetah 36LP FC Product Manual, Rev. C Cache operation Note. Refer to the Fibre Channel Interface Manual for more detail concerning the cache bits. Of the 4,096 kbytes physical buffer space in the drive, 3,600 kbytes (14,399 kbytes of the 16,384 kbytes on FCV units) can be used as a cache.

  • Page 22: Prefetch Operation

    Cheetah 36LP FC Product Manual, Rev. C to be written are already stored in the cache from a previous read or write command. If there are, the respec- tive cache segments are cleared. The new data is cached for subsequent Read commands. If the number of write data logical blocks exceed the size of the segment being written into, when the end of the segment is reached, the data is written into the beginning of the same cache segment, overwriting the data that was written there at the beginning of the operation;...

  • Page 23: Reliability Specifications

    Cheetah 36LP FC Product Manual, Rev. C Reliability specifications The following reliability specifications assume correct host and drive operational interface, including all inter- face timings, power supply voltages, environmental requirements and drive mounting constraints Seek error rate: Less than 10 errors in 10 seeks Read Error Rates Recovered Data...

  • Page 24: Reliability And Service

    Cheetah 36LP FC Product Manual, Rev. C Sense Key. This is an unrecoverable seek error. Unrecoverable seek errors are classified as failures for MTBF calculations. Refer to the Fibre Channel Interface Manual, part number 77767496, for Request Sense informa- tion. Reliability and service You can enhance the reliability of Cheetah 36LP FC disc drives by ensuring that the drive receives adequate cooling.

  • Page 25: Preventive Maintenance

    Special equipment is required to repair the drive HDA. To achieve the above service life, repairs must be per- formed only at a properly equipped and staffed Seagate service and repair facility. Troubleshooting and repair of PCBs in the field is not recommended because of the extensive diagnostic equipment required for effective servicing.
  • Page 26 Cheetah 36LP FC Product Manual, Rev. C Note. The drive’s firmware monitors specific attributes for degradation over time but can’t predict instanta- neous drive failures. Each monitored attribute has been selected to monitor a specific set of failure conditions in the operating per- formance of the drive and the thresholds are optimized to minimize “false”...

  • Page 27: Drive Self Test (Dst)

    To invoke DST, submit the Send Diagnostic command with the appropriate Function Code (001b for the short test or 010b for the extended test) in bytes 1, bits 5, 6, and 7. Refer to the Seagate SCSI Interface Manual, Vol-...

  • Page 28: Product Warranty

    5.2.10 Product warranty Beginning on the date of shipment to the customer and continuing for a period of five years, Seagate warrants that each product (including components and subassemblies) that fails to function properly under normal use due to defect in materials or workmanship or due to nonconformance to the applicable specifications will be repaired or replaced, at Seagate’s option and at no charge to the customer, if returned by customer at cus-...
  • Page 29 For more detailed warranty information, refer to the standard terms and conditions of purchase for Seagate products on your purchase documentation. The remaining warranty for a particular drive can be determined by calling Seagate Customer Service at 1-800-468-3472.
  • Page 30 Cheetah 36LP FC Product Manual, Rev. C...

  • Page 31: Physical/Electrical Specifications

    This section provides information relating to the physical and electrical characteristics of the drive. AC power requirements None. DC power requirements The voltage and current requirements for a single drive are shown below. Values indicated apply at the drive connector. Table 1: DC power requirements ST336704FC ST318304FC Notes (Amps) (Amps) (Amps) (Amps) Voltage...

  • Page 32: Conducted Noise Immunity

    Spindle is up to speed and the Head-Arm restraint is unlocked. Note: All times and currents are typical. See Table 1 for maximum current requirements. +12 Volt Current during spindle start – Typical Amperes Envelope of waveform Average value of waveform Seconds Figure 3. Typical ST336704FC drive +12V current profile...

  • Page 33: Figure 4. Typical St318304Fc Drive +12V Current Profile

    Envelope of waveform Average value of waveform Seconds Figure 4. Typical ST318304FC drive +12V current profile +5 Volt Current during spindle start – Typical Amperes Average value of waveform Envelope of waveform Seconds Figure 5. Typical ST336704FC drive +5V current profile...

  • Page 34: Figure 6. Typical St318304Fc Drive +5V Current Profile

    Cheetah 36LP FC Product Manual, Rev. C +5 Volt Current during spindle start – Typical Amperes Average value of waveform Envelope of waveform T1 T2 Seconds Figure 6. Typical ST318304FC drive +5V current profile...

  • Page 35: Power Dissipation

    0.400 I/Os per Second Figure 7. ST336704FC DC current and power vs. input/output operations per second 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).

  • Page 36: Environmental Limits

    Cheetah 36LP FC Product Manual, Rev. C Environmental limits Temperature and humidity values experienced by the drive must be such that condensation does not occur on any drive part. Altitude and atmospheric pressure specifications are referenced to a standard day at 58.7°F (14.8°C).

  • Page 37: Relative Humidity

    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. HDA Temp.

  • Page 38: Shock And Vibration

    36 in (914 mm) Drives packaged in single or multipacks with a gross weight of 20 pounds (8.95 kg) or less by Seagate for general freight shipment shall withstand a drop test from 48 inches (1,070 mm) against a concrete floor or...

  • Page 39: Figure 10. Recommended Mounting

    Cheetah 36LP FC Product Manual, Rev. C Figure 10. Recommended mounting...

  • Page 40: Air Cleanliness

    There will not be any discrete tones more than 10 dB above the masking noise on typical drives when mea- sured according to Seagate specification 30553-001. There will not be any tones more than 24 dB above the masking noise on any drive.

  • Page 41: Mechanical Specifications

    Cheetah 36LP FC Product Manual, Rev. C Mechanical specifications The following nominal dimensions are exclusive of the decorative front panel accessory. However, dimensions of the front panel are shown in figure below. Refer to Figure 11 for detailed mounting configuration dimensions. See Section 8.5, “Drive mounting.”...
  • Page 42 Cheetah 36LP FC Product Manual, Rev. C...

  • Page 43: Defect And Error Management

    Cheetah 36LP FC Product Manual, Rev. C Defect and error management The drive, as delivered, complies with this product manual. The read error rates and specified storage capaci- ties are not dependent upon use of defect management routines by the host (initiator). Defect and error management in the SCSI protocol involves the drive internal defect/error management and FC-AL system error considerations (errors in communications between the initiator and the drive).

  • Page 44: Fc-Al System Errors

    Cheetah 36LP FC Product Manual, Rev. C When the RC bit is one, reallocations are disabled even if the ARRE or AWRE bits are one. The drive will still perform data recovery actions within the limits defined by the Read Retry Count, Write Retry Count, and Recovery Time Limit parameters.

  • Page 45: Installation

    Cheetah 36LP FC Product Manual, Rev. C Installation Cheetah 36LP FC disc drive installation is a plug-and-play process. There are no jumpers, switches, or termi- nators on the drive. Simply plug the drive into the host’s 40-pin Fibre Channel backpanel connector (FC- —...

  • Page 46: J6 Connector Requirements

    Cheetah 36LP FC Product Manual, Rev. C Drive Front Pin 1 Reserved Port A Bypass LED [1] Port B Bypass LED [1] Fault LED [1] Reserved Active LED [2] Reserved Active LED [1] Ground [3] The drive has a 2.2K ohm resistor in series with this LED driver. Tie the minus side of an external high-efficiency LED (i.e., 2ma) to this pin.

  • Page 47: Air Flow

    Cheetah 36LP FC Product Manual, Rev. C 8.4.1 Air flow The rack, cabinet, or drawer environment for the drive must provide heat removal from the electronics and head and disc assembly (HDA). You should confirm that adequate heat removal is provided using the temperature measurement guidelines described in Section 6.4.1.

  • Page 48: Grounding

    Cheetah 36LP FC Product Manual, Rev. C Note. Before mounting the drive in any kind of 3.5-inch to 5.25-inch adapter frame, verify with Seagate Tech- nology that the drive can meet the shock and vibration specifications given herein while mounted in such an adapter frame.

  • Page 49: Interface Requirements

    Cheetah 36LP FC Product Manual, Rev. C Interface requirements This section partially describes the interface requirements as implemented on Cheetah 36LP FC drives. Addi- tional information is provided in the Fibre Channel Interface Manual (part number 77767496). FC-AL features This section lists the Fibre Channel-specific features supported by Cheetah 36LP FC drives. 9.1.1 Fibre Channel link service frames Table 4 lists the link services supported by Cheetah 36LP FC drives.

  • Page 50: Fibre Channel Port Login

    Cheetah 36LP FC Product Manual, Rev. C 9.1.4 Fibre Channel port login Table 7 identifies the required content of the N_Port Login (PLOGI) payload from an initiator. Table 7: N_Port login (PLOGI) payload Bytes 0-15 Common 16-31 32-35 36-47 Class 1 48-51 52-63 Class 2...

  • Page 51: Fibre Channel Port Login Accept

    Cheetah 36LP FC Product Manual, Rev. C 9.1.5 Fibre Channel port login accept Table 8 identifies the N_Port Login access payload values. Table 8: N_Port Login Accept (ACC) payload Bytes 0-15 Common 16-31 32-35 36-47 Class 1 48-51 52-63 Class 2 64-67 68-79 Class 3...

  • Page 52: Fibre Channel Fabric Login

    Cheetah 36LP FC Product Manual, Rev. C 9.1.8 Fibre Channel fabric login Table 11 lists the fabric login payload from the drive. Table 11: Fabric Login (FLOGI) payload Bytes 0-15 Common 16-31 32-35 36-47 Class 1 48-51 52-63 Class 2 64-67 68-79 Class 3...

  • Page 53: Fibre Channel Fabric Accept Login

    Cheetah 36LP FC Product Manual, Rev. C 9.1.9 Fibre Channel fabric accept login Table 11 lists the required content of the Fabric Login Accept (ACC) payload from the fabric. Table 12: Fabric Login Accept (ACC) payload Bytes 0-15 Common 16-31 32-35 36-47 Class 1...

  • Page 54: Fibre Channel Arbitrated Loop Options

    • If both ports are connected in the same loop and hard addressing is used, at least one port will attempt tak- ing a soft address 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)

  • Page 55: Scsi Commands Supported

    Cheetah 36LP FC Product Manual, Rev. C SCSI commands supported Table 14 lists the SCSI commands supported by Cheetah 36LP FC drives. Table 14: Supported commands Command code Supported [4] Command name Test unit ready Rezero unit Request sense Extended sense Field pointer bytes Actual retry count bytes Format unit [1]...
  • Page 56 Cheetah 36LP FC Product Manual, Rev. C Table 14: Supported commands (continued) Command code Supported [4] Command name Supported diagnostics pages Translate page Read capacity Read extended Disable page out Force unit access Relative address Write extended Disable page out Force unit access Relative address Seek extended...
  • Page 57 Cheetah 36LP FC Product Manual, Rev. C Table 14: Supported commands (continued) Command code Supported [4] Command name Change definition Write same PBdata LBdata 42-4Bh Not used Log Select Log Sense 4E-4Fh Not used XD write XP write XD read 53-54h Not used Mode Select (10) [3]...

  • Page 58: Inquiry Data

    Cheetah 36LP FC Product Manual, Rev. C 9.3.1 Inquiry data Table 15 lists the Inquiry command data that the drive should return to the initiator per the format given in the Fibre Channel Interface Manual. Cheetah 36LP FC Table 15: inquiry data Bytes Data (hex)
  • Page 59 Cheetah 36LP FC Product Manual, Rev. C 4. Changeable values Changeable values form a bit mask, stored in nonvolatile memory, that dictates which of the current values and saved values can be changed by a Mode Select command. A one (1) indicates the value can be changed.
  • Page 60 Cheetah 36LP FC Product Manual, Rev. C Table 16: Mode Sense data default and changeable values for ST336704FC drives ST336704FC Bytes 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23...
  • Page 61 Cheetah 36LP FC Product Manual, Rev. C Table 17: Mode Sense data default and changeable values for ST318304FC drives ST336704FC Bytes 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23...

  • Page 62: Miscellaneous Operating Features And Conditions

    Cheetah 36LP FC Product Manual, Rev. C Miscellaneous operating features and conditions Table 18 lists various features and conditions. A “Y” in the support column indicates the feature or condition is supported. An “N” in the support column indicates the feature or condition is not supported. Table 18: Miscellaneous features Supported...

  • Page 63: Fc-Al Physical Interface

    Figure 17 provides the dimensions of the FC-SCA. Figure 18 provides the dimensions of the J6 con- nector. Details of the physical, electrical, and logical characteristics are provided within this section. The operational aspects of Seagate’s Fibre Channel drives are provided in the Fibre Channel Interface Manual.. Figure 15. Physical interface 9.5.1...

  • Page 64: Connector Requirements

    Cheetah 36LP FC Product Manual, Rev. C 9.5.2 Connector requirements Recommended mating SCA part number: Part description Positions Part number Features AMP Vertical (SCA sequence) 787317-1 With polarization Berg 71781 With polarization Methode 512-220-91-101N With polarization Molex 717431040 With polarization The FC-AL SCA device connector is illustrated in Figure 17.

  • Page 65: Electrical Description

    Cheetah 36LP FC Product Manual, Rev. C 9.5.3 Electrical description Fibre Channel drives use the FC-SCA connector for: • DC power • FC-AL interface • Drive select (device identification) • Option selection • Enclosure Services interface This 40-pin connector is designed to plug directly into a backpanel. External cables are not required. 9.5.4 Pin descriptions This section provides a pin-out of the FC-SCA and a description of the functions provided by the pins.

  • Page 66: Fc-Al Transmitters And Receivers

    Cheetah 36LP FC Product Manual, Rev. C 9.5.5 FC-AL transmitters and receivers A typical FC-AL differential copper transmitter and receiver pair is shown in Figure 19. The receiver is required to provide the AC coupling to eliminate ground shift noise. .01 f Differential Transmitter...

  • Page 67: Enable Port Bypass Signals

    Cheetah 36LP FC Product Manual, Rev. C The Active LED Out signal is designed to pull down the cathode of an LED. The anode is attached to the proper +5 volt supply through an appropriate current limiting resistor. The LED and the current limiting resistor are external to the drive.
  • Page 68 Cheetah 36LP FC Product Manual, Rev. C 9.5.11.1 Parallel Enclosure Services Interface (ESI) The parallel ESI line is an output from the drive. This line provides the enclosure with an indication of the present function of the SEL lines. A high level, the default state, indicates the drive requires address informa- tion on the SEL lines.
  • Page 69 Cheetah 36LP FC Product Manual, Rev. C Table 23: Arbitrated loop physical address (AL_PA) values AL_PA SEL ID Setting AL_PA SEL ID Setting AL_PA SEL ID Setting (hex) (hex) (dec) (hex) (hex) (dec) (hex) (hex) (dec)

  • Page 70: Device Control Codes

    Cheetah 36LP FC Product Manual, Rev. C 9.5.12 Device control codes The drive inputs a Device Control Code on the DEV_CTRL_CODE lines at power up to determine the link rate on the Fibre Channel ports. Both ports run at the same rate. If the backpanel does not connect to these lines, the drive has 10K ohm pull up resistors that default the device control code to 7 (1.0625 GHz).

  • Page 71: Differential Pecl Output

    Cheetah 36LP FC Product Manual, Rev. C 9.6.3 Differential PECL output The serial PECL output signal voltage characteristics are provided in Table 27. The outputs are not AC coupled in order to deliver maximum signal without rise and fall time degradation. You must AC couple the receiver to isolate potentially different DC characteristics of the outputs and the receiver.
  • Page 72 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. Typical 659 ps 305 ps RCV eye Minimum 395 ps 226 ps...

  • Page 73: Seagate Technology Support Services

    FAX 24 hours daily. This service is available worldwide. Presales Support Presales Support Our Presales Support staff can help you determine which Seagate products are best suited for your specific application or computer system. Disc: 1-877-271-3285; Tape: 1-800-626-6637; Server Appliance: 1-800-732-4283.

  • Page 74: Technical Support

    If you need help installing your drive, consult your dealer. Dealers are familiar with their unique system configu- rations and can help you with system conflicts and other technical issues. If you need additional help, you can talk to a Seagate technical support specialist. Before calling, note your system configuration and drive model number (ST####).
  • Page 75 Cheetah 36LP FC Product Manual, Rev. C European Support Services For European customer support, dial the toll-free number for your specific country for presales support, techni- cal support, SeaFAX and warranty service. If your country is not listed here, dial our European call center at +31-20-316-7222 from 8:30 .
  • Page 76 Cheetah 36LP FC Product Manual, Rev. C...
  • Page 77 Cheetah 36LP FC Product Manual, Rev. C Index space 11 busy status 52 bypass circuit 15 Numerics Byte check command 46 bytes per surface 9 12 volt bytes per track 9 pins 56 3rd party reserve command 47 5 volt pins 56 cache operation 11 cache segments 11 Caching parameters page (08h) command 45...
  • Page 78 Cheetah 36LP FC Product Manual, Rev. C data valid eye 61 requirements 13 Date code page command 45 environmental control 30 error DC power 55 requirements 21 detection mechanisms, FC 15 defect and error management 33 management 33 deferred error handling 52 rates 13 description 5 error correction code...
  • Page 79 Cheetah 36LP FC Product Manual, Rev. C complete, code 00 39 J6 connector 35, 36 not supported, code 05 39 Jumper settings page command 45 reject, code 04 39 jumpers 35 Good status 52 latency gradient 27 average rotational 9, 10 ground shift noise 56 LBdata 47 grounding 38...
  • Page 80 Cheetah 36LP FC Product Manual, Rev. C Good 52 for one track cylinder switch 10 Intermediate/condition met/good 52 Intermediate/good 52 Reservation conflict 52 P_LOGI Task set full 52 received on Port A 41 miscorrected media data 13 received on Port B 41 Mode select package size 28 (10) command 47...
  • Page 81 Cheetah 36LP FC Product Manual, Rev. C Process Login Accept (ACC) payload 41 rotation speed 9 process login payload data 41 running disparity 15 Process Logout (PRLO) 39 public loop FC-AL options 44 safety 3 pull down resistor 57 SCA part numbers 54 SCSI interface commands supported 45 queue tagging 52...
  • Page 82 Cheetah 36LP FC Product Manual, Rev. C Supported diagnostics pages command 45, 46 Verify command 46 surface stiffness Verify error recovery page (07h) command 45 allowable for non-flat surface 37 vibration 28, 30 switches 35 Vital product data page command 45 Synchronize cache command 46 synchronized spindle operation 52...
  • Page 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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