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Cheetah 18LP FC Disc Drive
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ST318203FC
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ST39103FC
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Product Manual, Volume 1
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Table of Contents
Related Manuals for Seagate ST318203FC
Summary of Contents for Seagate ST318203FC
- Page 1 ..........ST318203FC .
- Page 3 ..........ST318203FC .
- Page 4 Seagate, Seagate Technology, and the Seagate logo are registered trademarks of Seagate Tech- nology, 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 the property of their respective owners.
- Page 5 Revision status summary sheet Revision Date Writer/Engineer Sheets Affected 03/29/99 L. Newman/P . Kassel Class A Release 05/20/99 L. Newman/D. Rusch ECR: DJD51090. 06/16/99 L. Newman/D. Rusch ECR: DJD51095. 07/30/99 L. Newman/D. Rusch ECR: DJD51099.
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Page 7: Table Of Contents
Cheetah 18LP FC Product Manual, Rev. D Contents Scope ................1 Applicable standards and reference documentation. - Page 8 Seagate Technology support services........
- Page 9 Typical ST318203FC drive +12V current profile ........
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Page 11: Scope
Cheetah 18LP 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 13: Applicable Standards And Reference Documentation
Mounting by bottom holes must meet the requirements of Section 8.5. Standards The Cheetah 18LP 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 18LP FC Installation Guide Seagate part number: 83329430 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 18LP FC Product Manual, Rev. D General description Cheetah 18LP FC drives combine dual stripe magneto resistive (DSMR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo technology, and a Fibre Channel interface to pro- vide high performance, high capacity data storage for a variety of systems including engineering workstations, network servers, mainframes, and supercomputers. -
Page 16: Standard Features
Cheetah 18LP FC Product Manual, Rev. D Standard features Cheetah 18LP 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
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. ST318203FC and ST39103FC drives use a zone sparing scheme. The drive is divided into frequency zones with a variable number of spares in each zone. -
Page 19: Performance Characteristics
Cheetah 18LP FC Product Manual, Rev. D Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Cheetah 18LP FC drives. Internal drive characteristics ST318203FC ST39103FC Drive capacity 18.2 ......9.10 ........Gbytes (formatted, rounded off value) Read/write data heads 12 ...... -
Page 20: General Performance Characteristics
Cheetah 18LP FC Product Manual, Rev. D 4.2.3 General performance characteristics Minimum sector interleave 1 to 1 Data buffer to/from disc media (one 512-byte logical block)* Minimum 22.7 MBytes/sec Average 29.5 MBytes/sec Maximum 36.2 MBytes/sec Fibre Channel Interface maximum instantaneous transfer rate 106 Mbytes/sec* per port (dual port = 212 Mbytes/sec*) -
Page 21: Cache Operation
Cheetah 18LP FC Product Manual, Rev. D Cache operation Note. Refer to the Fibre Channel Interface Manual for more detail concerning the cache bits. Of the 1,024 kbytes physical buffer space in the drive, 840 kbytes can be used as a cache. The buffer can be divided into logical segments (using Mode Select Page 08h, byte 13) from which data is read and to which data is written. -
Page 22: Prefetch Operation
Cheetah 18LP FC Product Manual, Rev. D 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 18LP FC Product Manual, Rev. D 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 18LP FC Product Manual, Rev. D 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 18LP 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: S.m.a.r.t
Cheetah 18LP FC Product Manual, Rev. D 5.2.8 S.M.A.R.T. S.M.A.R.T. is an acronym for Self-Monitoring Analysis and Reporting Technology. This technology is intended to recognize conditions that indicate imminent drive failure and is designed to provide sufficient warning of a failure to allow you to back up the data before an actual failure occurs. -
Page 27: Product Warranty
5.2.9 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: 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 ST318203FC ST39103FC Notes (Amps) (Amps) (Amps) (Amps) Voltage... -
Page 30: Conducted Noise Immunity
Note: All times and currents are typical. See Table 1 for maximum current requirements. +12 Volt Current during spindle start – Typical Amperes Average value of waveform Envelope of waveform T0 T1 T2 Seconds Figure 3. Typical ST318203FC drive +12V current profile... -
Page 31: Figure 4. Typical St39103Fc Drive +12V Current Profile
Cheetah 18LP FC Product Manual, Rev. D +12 Volt Current during spindle start – Typical Amperes Peak AC envelope Average DC value of waveform T0 T1 T2 Seconds Figure 4. Typical ST39103FC drive +12V current profile... -
Page 32: Figure 5. Typical St318203Fc Drive +5V Current Profile
+5 Volt Current during spindle start – Typical Amperes Envelope of waveform Average value of waveform Seconds Figure 5. Typical ST318203FC drive +5V current profile +5 Volt Current during spindle start – Typical Amperes Envelope of waveform Average DC value of waveform T0 T1 T2... -
Page 33: Power Dissipation
Cheetah 18LP FC Product Manual, Rev. D Power dissipation ST318203FC Typical power dissipation under idle conditions is 12.1 watts (41 BTUs per hour). To obtain operating power for typical random read operations, refer to the following I/O rate curve (see Figure 7). -
Page 34: Environmental Limits
Cheetah 18LP FC Product Manual, Rev. D 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 35: 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 36: 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 37: Figure 10. Recommended Mounting
Cheetah 18LP FC Product Manual, Rev. D Figure 10. Recommended mounting... -
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
4.000 in 101.6 mm Depth: 5.75 in 146.05 mm Weight: 1.3 pounds (ST318203FC) 0.589 kilograms 1.2 pounds (ST39103FC) 0.544 kilograms Notes: Mounting holes are 6-32 UNC 2B, three -Z- -X- on each side and four on the bottom. Max screw penetration into side of drive is 0.15 in. -
Page 41: Defect And Error Management
Cheetah 18LP FC Product Manual, Rev. D 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 18LP FC Product Manual, Rev. D 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 43: Installation
Cheetah 18LP FC Product Manual, Rev. D Installation Cheetah 18LP 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 44: J6 Connector Requirements
Cheetah 18LP FC Product Manual, Rev. D 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 45: Air Flow
(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-... -
Page 46: Grounding
Cheetah 18LP FC Product Manual, Rev. D nology that the drive can meet the shock and vibration specifications given herein while mounted in such an adapter frame. Adapter frames that are available may not have a mechanical structure capa- ble of mounting the drive so that it can meet the shock and vibration specifications listed in this manual. Grounding Signal ground (PCBA) and HDA ground are connected together in the drive and cannot be separated by the user. -
Page 47: Interface Requirements
Cheetah 18LP FC Product Manual, Rev. D Interface requirements This section partially describes the interface requirements as implemented on Cheetah 18LP 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 18LP FC drives. 9.1.1 Fibre Channel link service frames Table 4 lists the link services supported by Cheetah 18LP FC drives. -
Page 48: Fibre Channel Port Login
Cheetah 18LP FC Product Manual, Rev. D 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
Cheetah 18LP FC Product Manual, Rev. D 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 50: Fibre Channel Fabric Login
Cheetah 18LP FC Product Manual, Rev. D 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 51: Fibre Channel Fabric Accept Login
Cheetah 18LP FC Product Manual, Rev. D 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 52: Fibre Channel Arbitrated Loop Options
Loop Position Report Dual port support ST318203FC 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 18LP FC Product Manual, Rev. D SCSI commands supported Table 14 lists the SCSI commands supported by Cheetah 18LP 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 54 Cheetah 18LP FC Product Manual, Rev. D 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 55 Cheetah 18LP FC Product Manual, Rev. D 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]...
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Page 56: Inquiry Data
Eight ASCII digits representing the eight digits of the product serial number. Bytes 16 through 25 reflect drive model. ST318203FC values are shown in the table above. For ST39103FC drives, bytes 16 through 22 are: 53 54 33 39 31 30 33. - Page 57 Cheetah 18LP FC Product Manual, Rev. D 3. Current values Current values are volatile values being used by the drive to control its operation. A Mode Select command can be used to change the values identified as changeable values. Originally, current values are installed from saved or default values after a power on reset, hard reset, or Bus Device Reset message.
- Page 58 Cheetah 18LP FC Product Manual, Rev. D Table 16: Mode Sense data default and changeable values for ST318203FC drives ST318203FC 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 Cheetah 18LP FC Product Manual, Rev. D Table 17: Mode Sense data default and changeable values for ST39103FC drives ST39103FC 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 Mode Sense A7 00 10 08 01 0F 59 C8 00 00 02 00...
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Page 60: Miscellaneous Operating Features And Conditions
Cheetah 18LP FC Product Manual, Rev. D 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 61: Fc-Al Physical Interface
Figure 17 provides the dimensions of the FC-SCA. Figure 18 provides the dimensions of the J6 connec- tor. 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 62: Connector Requirements
Cheetah 18LP FC Product Manual, Rev. D 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 63: Electrical Description
Cheetah 18LP FC Product Manual, Rev. D 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 64: Fc-Al Transmitters And Receivers
Cheetah 18LP FC Product Manual, Rev. D 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 65: Enable Port Bypass Signals
Cheetah 18LP FC Product Manual, Rev. D 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 66 Cheetah 18LP FC Product Manual, Rev. D 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 67 Cheetah 18LP FC Product Manual, Rev. D 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)
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Page 68: Signal Characteristics
Cheetah 18LP FC Product Manual, Rev. D Signal characteristics This section describes the electrical signal characteristics of the drive’s input and output signals. See Table 20 on page 53 for signal type and signal name information. 9.6.1 TTL input characteristics Table 24 provides the TTL characteristics. -
Page 69: Differential Pecl Input
Cheetah 18LP FC Product Manual, Rev. D Figure 20 provides the data output valid eye diagram relative to the bit cell time. 941 ps 800 ps Figure 20. Transmit eye diagram 9.6.4 Differential PECL input The serial PECL input signal voltage characteristics are provided in Table 27. Table 27: Differential PECL input characteristics Description... -
Page 71: Seagate Technology Support Services
Seagate's automated FAX delivery system. 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 determine which Seagate products are best suited for your specific application or computer system. Seagate Express You can purchase select tape products and tape accessories through Seagate Express 24 hours daily by call- ing 1-800-531-0968 or by faxing your order to: +1-972-481-4812. - Page 72 USA/Canada/Latin America Support Services Presales Support Disc: 1-877-271-3285 or +1-405-936-1210 FAX: +1-405-936-1683 Tape: 1-800-626-6637 or +1-714-641-2500 FAX: +1-714-641-2410 Technical Support (SeaFONE) 1-800-SEAGATE or +1-405-936-1234 (for specific product phone number) FAX: Disc: +1-405-936-1685; Tape: +1-405-936-1683 SeaFAX 1-800-SEAGATE SeaTDD +1-405-936-1687 SeaBOARD Disc: +1-405-936-1600; Tape: +1-405-936-1630...
- Page 73 Cheetah 18LP FC Product Manual, Rev. D Fax Services—All European Countries Presales/Technical Support/Warranty Repair 31-20-653-3513 Africa/Middle East Support Services For presales, technical support, warranty repair and FAX services in Africa and the Middle East, dial our Euro- pean call center at +31-20-316-7222 from 8:30 a.m. to 5:00 p.m. (European central time) Monday through Fri- day, or send a FAX to +31-20-653-3513.
- Page 74 Cheetah 18LP FC Product Manual, Rev. D...
- Page 75 Cheetah 18LP FC Product Manual, Rev. D Index space 11 busy status 50 bypass circuit 15 Numerics Byte check command 44 bytes per surface 9 12 volt bytes per track 9 pins 54 3rd party reserve command 45 5 volt pins 54 cache operation 11 cache segments 11 Caching parameters page (08h) command 43...
- Page 76 Cheetah 18LP FC Product Manual, Rev. D data valid eye 59 detection mechanisms, FC 15 Date code page command 43 management 31 DC power 53 rates 13 requirements 19 error correction code defect and error management 31 96-bit Reed-Solomon 6 deferred error handling 50 Error recovery page (01h) command 43 description 5...
- Page 77 Cheetah 18LP FC Product Manual, Rev. D Good status 50 latency gradient 25 average rotational 9, 10 ground shift noise 54 LBdata 45 grounding 36 LED driver signals 58 Link Service Reject (LS_RJT) 37 link services supported 37 Lock-unlock-cache command 44 hard assigned arbitrated loop physical address Log select command 45 (AL_PA) 33...
- Page 78 Cheetah 18LP FC Product Manual, Rev. D Task set full 50 miscorrected media data 13 P_LOGI Mode select received on Port A 39 (10) command 45 received on Port B 39 command 43 package size 26 Mode sense packaged 26 (10) command 45 parameter rounding 50 command 43...
- Page 79 Cheetah 18LP FC Product Manual, Rev. D Process Logout (PRLO) 37 public loop safety 3 FC-AL options 42 SCA part numbers 52 pull down resistor 55 SCSI interface commands supported 43 SCSI Interface Product Manual 3 queue tagging 50 Search data equal command 44 high command 44 low command 44...
- Page 80 Cheetah 18LP FC Product Manual, Rev. D switches 33 Vital product data page command 43 Synchronize cache command 44 synchronized spindle operation 50 warranty 17 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 task management functions 37...
- Page 82 Seagate Technology, Inc. 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 83329420, Rev. D, Printed in USA...