Seagate Cheetah ST173404FC Product Manual
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Seagate Cheetah ST173404FC Product Manual

Seagate Cheetah ST173404FC Product Manual

Cheetah 73fc disc drive
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Cheetah 73FC Disc Drive
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ST173404FC/FCV
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Product Manual, Volume 1
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  • Page 1 ..........ST173404FC/FCV .
  • Page 3 ..........ST173404FC/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 7/27/2000 L. Newman/G. Velaski 1/1, v thru viii, 1 thru 68. B (Class A Release) 8/24/2000 L. Newman/G. Velaski Page 10. 8/29/2000 L. Newman/G. Velaski Pages 6, 9, 10, 38, 39, 40, 43, 45, 46, 49, 52, 57, and 58.

  • Page 7: Table Of Contents

    Cheetah 73FC Product Manual, Rev. C Contents Scope ................1 Applicable standards and reference documentation .
  • Page 8 Seagate Technology support services ........
  • Page 9 Cheetah 73FC Product Manual, Rev. C List of Figures Figure 1. Cheetah 73FC family disc drive ..........1 Figure 2.

  • Page 11: Scope

    Cheetah 73FC drives support the Fibre Channel Arbitrated Loop and SCSI Fibre Channel Protocol specifica- tions 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 73FC 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 73FC 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

    Electromagnetic Compatibility (EMC) Framework requirements of Australia’s Spectrum Man- agement Agency (SMA). Reference documents Cheetah 73FC Installation Guide Seagate part number: 83329483 Saftey and Regulatory Agency Specifications Seagate part number: 75789512 Fibre Channel Interface Manual Seagate part number: 77767496 ANSI Fibre Channel Documents X3.230-1994...

  • Page 15: General Description

    Cheetah 73FC Product Manual, Rev. C General description Cheetah 73FC drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (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, network servers, mainframes, and supercomputers.

  • Page 16: Standard Features

    Cheetah 73FC Product Manual, Rev. C Standard features drives have the following standard features: Cheetah 73FC • Integrated dual port FC-AL controller • Concurrent dual port transfers • Support for FC arbitrated loop, private and public loop attachment • Differential copper FC drivers and receivers •...

  • Page 17: Reliability

    The sector size is selectable at format time. Users having the necessary equipment may modify the data block size before issuing a format command and obtain different formatted capacities than those listed. The ST173404FC drives use a zone sparing scheme. The drive is divided into frequency zones with a variable number of spares in each zone.
  • Page 18 Cheetah 73FC Product Manual, Rev. C...

  • Page 19: Performance Characteristics

    Cheetah 73FC Product Manual, Rev. C Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Cheetah 73FC drives. Internal drive characteristics ST173404FC Drive capacity 73.4 ......Gbytes (formatted, rounded off value) Read/write data heads Bytes per track 215-248 ....

  • Page 20: General Performance Characteristics

    Cheetah 73FC 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 73FC 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 73FC 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 73FC 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, and environmental requirements. Seek error rate: Less than 10 errors in 10 seeks Read Error Rates Recovered Data Less than 10 errors in 10...

  • Page 24: Seek Errors

    Cheetah 73FC Product Manual, Rev. C 5.1.4 Seek errors A seek error is defined as a failure of the drive to position the heads to the addressed track. If the error recov- ery fails, a seek positioning error (15h) is reported with a Medium (03h) or Hardware Error (04h) reported in the sense key.

  • 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 73FC 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 serviced or replaced, at Seagate’s option and at no charge to the customer, if returned by customer at cus-...
  • Page 29 Cheetah 73FC Product Manual, Rev. C tion, refer to the standard terms and conditions of purchase for Seagate products on your purchase documen- tation. The remaining warranty for a particular drive can be determined by calling Seagate Customer Service at 1-800-468-3472.
  • Page 30 Cheetah 73FC Product Manual, Rev. C...

  • Page 31: Physical/Electrical Specifications

    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 ST173404FC/FCV Notes (Amps) (Amps) Voltage +12V [2] Regulation ±5% ±5% [2]...

  • Page 32: Conducted Noise Immunity

    Cheetah 73FC Product Manual, Rev. C 6.2.1 Conducted noise immunity Noise is specified as a periodic and random distribution of frequencies covering a band from DC to 10 MHz. Maximum allowed noise values given below are peak-to-peak measurements and apply at the drive power con- nector.

  • Page 33: Figure 4. Typical Cheetah 73Fc Drive +5V Current Profile

    Cheetah 73FC Product Manual, Rev. C +5 Volt Current during spindle start – Typical Amperes Average value of waveform Envelope of waveform Seconds Figure 4. Typical Cheetah 73FC drive +5V current profile...

  • Page 34: Power Dissipation

    Cheetah 73FC Product Manual, Rev. C Power dissipation Typical power dissipation under idle conditions is 17.05 watts (58.18 BTUs per hour). To obtain operating power for typical random read operations, refer to the following I/O rate curve (see Figure 5). 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.

  • Page 35: Figure 6. Locations Of Pcba Components Listed In Table 2

    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 36: Relative Humidity

    Cheetah 73FC Product Manual, Rev. C 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.

  • Page 37: Figure 7. Recommended Mounting

    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 equivalent.

  • Page 38: 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 39: Mechanical Specifications

    Cheetah 73FC 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 8 for detailed mounting configuration dimensions. See Section 8.5, “Drive mounting.”...
  • Page 40 Cheetah 73FC Product Manual, Rev. C...

  • Page 41: Defect And Error Management

    Cheetah 73FC 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 42: Fc-Al System Errors

    Cheetah 73FC Product Manual, Rev. C Table 3: Read and write retry count maximum recovery times Maximum recovery time per Maximum recovery time per Read retry count Write retry count LBA (cumulative, msec) LBA (cumulative, msec) 77.6 35.8 89.6 53.7 304.5 59.7 328.4...

  • Page 43: Installation

    Cheetah 73FC Product Manual, Rev. C Installation Cheetah 73FC disc drive installation is a plug-and-play process. There are no jumpers, switches, or termina- — tors on the drive. Simply plug the drive into the host’s 40-pin Fibre Channel backpanel connector (FC-SCA) no cables are required.

  • Page 44: J6 Connector Requirements

    Cheetah 73FC 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] 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 45: Drive Mounting

    (F) is applied to the fourth point. 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 46: Grounding

    Cheetah 73FC Product Manual, Rev. C Grounding 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.

  • Page 47: Interface Requirements

    Cheetah 73FC Product Manual, Rev. C Interface requirements This section partially describes the interface requirements as implemented on ST173404FC drives. Additional 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 ST173404FC drives.

  • Page 48: Fibre Channel Port Login

    Cheetah 73FC 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 49: Fibre Channel Port Login Accept

    Table 9: Process Login (PLRI) payload Bytes 0-15 16-19 Indicates fields that are not used. 9.1.7 Fibre Channel Process Login Accept Table 10 lists ST173404FC process login accept payload data. Table 10: Process Login Accept (ACC) payload Bytes 0-15 16-31...

  • Page 50: Fibre Channel Fabric Login

    Cheetah 73FC 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 80-83...

  • Page 51: Fibre Channel Fabric Accept Login

    Cheetah 73FC 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 48-51...

  • Page 52: Fibre Channel Arbitrated Loop Options

    Loop Position Report Dual port support ST173404FC drives have two independent FC-AL ports. These ports may be connected on independent loops or on the same loop. Port A and Port B may be connected in any order or combination. • If both ports are connected on independent loops and hard addressing is used, the drive interface address is selected through the interface connector, both ports will seek the same loop address.

  • Page 53: Scsi Commands Supported

    Cheetah 73FC Product Manual, Rev. C SCSI commands supported Table 14 lists the SCSI commands that ST173404FC drives support. Table 14: Supported commands Command code Supported [4] Command name Test unit ready Rezero unit Request sense Extended sense Field pointer bytes...
  • Page 54 Cheetah 73FC 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 Write and verify...
  • Page 55 Cheetah 73FC 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] Reserved (10)

  • Page 56: Inquiry Data

    Cheetah 73FC 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 73FC Table 15: inquiry data Bytes Data (hex) 0-15...
  • Page 57 Cheetah 73FC 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 58 Cheetah 73FC Product Manual, Rev. C Table 16: Mode Sense data default and changeable values ST173404FC 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 59: Miscellaneous Operating Features And Conditions

    Cheetah 73FC Product Manual, Rev. C Miscellaneous operating features and conditions Table 17 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 17: Miscellaneous features Supported...

  • Page 60: Fc-Al Physical Interface

    Figure 14 provides the dimensions of the FC-SCA. Figure 15 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 12. Physical interface 9.5.1...

  • Page 61: Connector Requirements

    Cheetah 73FC 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 14. The J6 connector is illustrated in Figure 15. 1.618 ±...

  • Page 62: Electrical Description

    Cheetah 73FC 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 63: Fc-Al Transmitters And Receivers

    Cheetah 73FC 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 16. The receiver is required to provide the AC coupling to eliminate ground shift noise. .01µf Differential Transmitter Receiver...

  • Page 64: Enable Port Bypass Signals

    Cheetah 73FC 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 65: Device Control Codes

    Cheetah 73FC 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 66 Cheetah 73FC 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 67: Signal Characteristics

    Cheetah 73FC Product Manual, Rev. C Signal characteristics This section describes the electrical signal characteristics of the drive’s input and output signals. See Table 19 on page 52 for signal type and signal name information. 9.6.1 TTL input characteristics Table 24 provides the TTL characteristics. Table 24: TTL characteristics State...

  • Page 68: Differential Pecl Input

    Cheetah 73FC Product Manual, Rev. C Figure 17 provides the data output valid eye diagram relative to the bit cell time. Table 28 lists the data values. Bit Time XMIT Eye Figure 17. Transmit eye diagram 9.6.4 Differential PECL input The serial PECL input signal voltage characteristics are provided in Table 27.

  • Page 69: 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 70: 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 71 Cheetah 73FC 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 72 Cheetah 73FC Product Manual, Rev. C...
  • Page 73 Cheetah 73FC Product Manual, Rev. C Index busy status 49 bypass circuit 15 Byte check command 44 Numerics bytes per surface 9 12 volt pins 53 bytes per track 9 3rd party reserve command 45 5 volt pins 53 cache operation 11 cache segments 11 Abort Sequence (ABTS) 37 Caching parameters page (08h) command 43...
  • Page 74 Cheetah 73FC Product Manual, Rev. C data valid eye 58 requirements 13 Date code page command 43 environmental control 28 DC power 52 error requirements 21 detection mechanisms, FC 15 defect and error management 31 management 31 deferred error handling 49 rates 13 description 5 error correction code...
  • Page 75 Cheetah 73FC Product Manual, Rev. C complete, code 00 37 J6 connector 33 not supported, code 05 37 Jumper settings page command 43 reject, code 04 37 jumpers 33 Good status 49 latency gradient 25 average rotational 9 ground shift noise 53 LBdata 45 grounding 36 LED driver signals 57...
  • Page 76 Cheetah 73FC Product Manual, Rev. C Good 49 Intermediate/condition met/good 49 P_LOGI Intermediate/good 49 received on Port A 39 Reservation conflict 49 received on Port B 39 Task set full 49 package size 27 miscorrected media data 13 packaged 27 Mode select parameter rounding 49 (10) command 45...
  • Page 77 Cheetah 73FC Product Manual, Rev. C Process Logout (PRLO) 37 public loop safety 3 FC-AL options 42 SCA part numbers 51 pull down resistor 54 SCSI interface commands supported 43 SCSI Interface Product Manual 3 queue tagging 49 Search data equal command 44 high command 44 low command 44...
  • Page 78 Cheetah 73FC Product Manual, Rev. C allowable for non-flat surface 35 vibration 26 switches 33 Vital product data page command 43 Synchronize cache command 44 synchronized spindle operation 49 warranty 18 system chassis 36 word sync 15 Write and verify command 44 Write buffer command 44 target reset function 37 Write combined header and data mode (0) 44...
  • Page 80 Seagate Technology, LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 83329482, Rev. C, Printed in USA...

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