Product Manual Cheetah 15K.5 FC ST3300655FC ST3146855FC ST373455FC 100384772 Rev.
©2007, Seagate Technology LLC All rights reserved. Publication number: 100384772, Rev. F (Draft 1) November 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Cheetah, SeaTools and SeaTDD are either trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/ or other countries.
Contents 1.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Applicable standards and reference documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1 Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1.1 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . . . . . . . .
6.4.1 Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.4.2 Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.4.3 Effective altitude (sea level) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.4.4 Shock and vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.4.5 Acoustics . . . . . . . . . .
9.6 10.0 9.5.12 Device control codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Signal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.6.1 TTL input characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.6.2 LED driver signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.6.
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List of Figures Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. Figure 11. Figure 12. Figure 13. Figure 14. Figure 15. Figure 16. Figure 17. Figure 18. Figure 19. Typical ST3300655FC drive, 4 Gbit, +12V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . Typical ST3300655FC drive, 4 Gbit, +5V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . Typical ST3146855FC drive, 4 Gbit, +12V current profile . . . . . . . . .
1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® 15K.5 FC (Fibre Channel) disc drives. Cheetah 15K.5 FC drives support the Fibre Channel Arbitrated Loop and SCSI Fibre Channel Protocol specifications to the extent described in this manual. The Fibre Channel Interface Manual (part number 100293070) describes the general Fibre Channel Arbitrated Loop characteristics of this and other Seagate Fibre Channel drives. From this point on in this product manual, the reference to Cheetah 15K.
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2.0 Applicable standards and reference documentation The drive has been developed as a system peripheral to the highest standards of design and construction. The drive depends upon its host equipment to provide adequate power and environment in order to achieve optimum performance and compliance with applicable industry and governmental regulations. Special attention must be given in the areas of safety, power distribution, shielding, audible noise control, and temperature regulation.
2.1.2 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards for CE Marking and C-Tick Marking. The drive was tested in a representative system for typical applications. The selected system represents the most popular characteristics for test platforms. The system configurations include: • Typical current use microprocessor • 3.
Seagate also has internal systems in place to ensure ongoing compliance with the RoHS Directive and all laws and regulations which restrict chemical content in electronic products. These systems include standard operating procedures that ensure that restricted substances are not utilized in our manufacturing operations, laboratory analytical validation testing, and an internal auditing process to ensure that all standard operating procedures are complied with. 2.3 Reference documents Cheetah 15K.
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3.0 General description Cheetah 15K.5 FC drives provide high performance, high capacity data storage for a variety of systems including engineering workstations, network servers, mainframes, and supercomputers. Cheetah 15K.5 FC drives support 4-Gbit Fibre Channel which can transfer data at up to 800 Mbytes per second and 1600 Mbytes per second in dual-loop configurations. Cheetah 15K.
3.1 Standard features Cheetah 15K.
3.3 • • • • • • • Programmable multi-segmentable cache buffer 800 Mbytes/sec maximum instantaneous data transfers per port 15k RPM spindle; average latency = 2.0 msec Command queuing of up to 128 commands Background processing of queue Supports start and stop commands (spindle stops spinning) Adaptive seek velocity; improved seek performance 3.4 • • • • • Performance Reliability Annualized Failure Rate (AFR) of 0.
change the capacity it is currently formatted to have. A number in the number of blocks field that is less than the maximum number of LBAs changes the total drive capacity to the value in the block descriptor number of blocks field. A value greater than the maximum number of LBAs is rounded down to the maximum capacity. 3.6 Factory-installed accessories OEM standard drives are shipped with the Cheetah 15K.
4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Cheetah 15K.5 FC drives. 4.1 Internal drive characteristics Drive capacity* Read/write data heads Bytes per track Tracks per inch Peak bits per inch Areal density Internal data rate Disc rotation speed Avg rotational latency ST3300655FC 300.0 8 74,340 125,000 890k 110 960 to 1607 15k 2.0 ST3146855FC 146.8 4 74,340 125,000 890k 110 960 to 1607 15k 2.
4.2.2 Format command execution time (minutes) Maximum (with verify) Maximum (without verify) 4.2.3 ST3300655FC ST3146855FC ST373455FC 120 90 60 60 45 30 General performance characteristics Sustainable disc transfer rate*: Minimum 73 Mbytes/sec Maximum 125 Mbytes/sec Fibre Channel Interface maximum instantaneous transfer rate 800 Mbytes/sec* per port (dual port = 1600 Mbytes/sec*) Logical block sizes Default is 512-byte data blocks Sector sizes variable to 512, 520, 524 and 528 bytes.
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 command; however, in actual operation, 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 this drive family are given in Table 18. 4.5 Note.
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; however, the drive does not overwrite data that has not yet been written to the medium.
5.0 Reliability specifications The following reliability specifications assume correct host and drive operational interface, including all interface timings, power supply voltages, environmental requirements and drive mounting constraints. Seek error rate: Read Error Rates1 Recovered Data Unrecovered Data Miscorrected Data Interface error rate: Annualized Failure Rate (AFR): Preventive maintenance: 1.
5.1.3 Seek errors A seek error is defined as a failure of the drive to position the heads to the addressed track. After detecting an initial seek error, the drive automatically performs an error recovery process. If the error recovery process fails, a seek positioning error (Error code = 15h or 02h) will be reported with a Hardware error (04h) in the Sense Key. Recoverable seek errors are specified at Less than 10 errors in 108 seeks.
The Pass-through state is disabled while the drive performs self test of the FC interface. The control line for an external port bypass circuit remains in the Enable Bypass state while self test is running. If the bypass circuit is present, loop operation may continue. If the bypass circuit is not present, loop operation will be halted while the self test of the FC interface runs.
Reporting control Reporting is 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 level.
be used to set this trip point. The default value for this drive is 68°C, however, you can set it to any value in the range of 0 to 68°C. If you specify a temperature greater than 68°C in this field, the temperature is rounded down to 68°C. A sense code is sent to the host to indicate the rounding of the parameter field. Table 1: Temperature Log Page (0Dh) Parameter Code Description 0000h Primary Temperature 0001h Reference Temperature 5.2.
• • • • Motor will not spin Motor will not lock to speed Servo will not lock on track Drive cannot read configuration tables from the disc In these conditions, the drive responds to a Test Unit Ready command with an 02/04/00 or 02/04/03 code. 5.2.6.2.2 Invoking 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. 5.2.6.2.3 Short and extended tests DST has two testing options: 1.
The drive will report the failure condition and LBA (if applicable) in the Self-test Results Log parameter. The Sense key, ASC, ASCQ, and FRU are used to report the failure condition. 5.2.6.2.5 Abort There are several ways to abort a diagnostic. You can use a SCSI Bus Reset or a Bus Device Reset message to abort the diagnostic. You can abort a DST executing in background mode by using the abort code in the DST Function Code field.
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6.0 Physical/electrical specifications This section provides information relating to the physical and electrical characteristics of the drive. 6.1 AC power requirements None. 6.2 DC power requirements The voltage and current requirements for a single drive are shown below. Values indicated apply at the drive connector. Notes are shown following table 4.
Table 3: DC power requirements for ST3146855FC model 1 Gbit Notes Voltage 2 Gbit 4 Gbit (Amps) (Amps) (Amps) (Amps) (Amps) (Amps) +5V +12V [2] +5V +12V [2] +5V +12V [2] Regulation [5] ±5% ±5% [2] ±5% ±5% [2] ±5% ±5% [2] Avg idle current DCX [1] [7] 0.77 0.54 0.79 0.53 0.84 0.53 Maximum starting current (peak DC) DC 3σ [3] 0.78 2.08 0.80 2.08 0.86 2.08 (peak AC) AC 3σ [3] 1.18 3.70 1.17 3.70 1.27 3.65 [1] [4] 0.44 0.03 0.47 0.03 0.52 0.03 [1] [6] 0.
[7] 314 I/Os per second for ST3146855FC and ST373455FC models. Current and power specified at nominal voltages. Decreasing +5 volt supply by 5% increases 5 Volt current by 3.5%. Decreasing +12 volt supply by 5% increases 12 volt current by 2.5% (1.5% for ST3146855FC and ST373455FC models). During idle, the drive heads are relocated every 60 seconds to a random location within the band from three-quarters to maximum track. General DC power requirement notes. 1.
Note: All times and currents are typical. See Tables 2, 3, and 4 for maximum current requirements. Figure 1. Typical ST3300655FC drive, 4 Gbit, +12V current profile Figure 2. Typical ST3300655FC drive, 4 Gbit, +5V current profile 26 Cheetah 15K.5 FC Product Manual, Rev.
Figure 3. Typical ST3146855FC drive, 4 Gbit, +12V current profile Figure 4. Typical ST3146855FC drive, 4 Gbit, +5V current profile Cheetah 15K.5 FC Product Manual, Rev.
Figure 5. Typical ST373455FC drive, 4 Gbit, +12V current profile Figure 6. Typical ST373455FC drive. 4 Gbit, +5V current profile 28 Cheetah 15K.5 FC Product Manual, Rev.
6.3 Power dissipation ST3300655FC Typical power dissipation under idle conditions in 4 Gbit operation is 13.3 watts (45.4 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 per hour, multiply watts by 3.4123.
ST3146855FC Typical power dissipation under idle conditions in 4 Gbit operation is 10.56 watts (36.0 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 per hour, multiply watts by 3.4123.
ST373455FC Typical power dissipation under idle conditions in 4 Gbit operation is 9.12 watts (31.1 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 per hour, multiply watts by 3.4123.
b. 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. Check Point 1.0 " Figure 10. 6.4.2 .5" Locations of the HDA temperature check point Relative humidity The values below assume that no condensation on the drive occurs. a.
b. Operating—abnormal Equipment, as installed for normal operation, does not incur physical damage while subjected to intermittent shock not exceeding 40 Gs at a maximum duration of 11 msec (half sinewave). Shock occurring at abnormal levels may promote degraded operational performance during the abnormal shock period. Specified operational performance will continue when normal operating shock levels resume. Shock may be applied in the X, Y, or Z axis.
Z X Y Z Y X Figure 11. 34 Recommended mounting Cheetah 15K.5 FC Product Manual, Rev.
6.4.4.2 Vibration a. Operating—normal The drive as installed for normal operation, shall comply with the complete specified performance while subjected to continuous vibration not exceeding 10-500 Hz @ 0.5 G (zero to peak) Vibration may be applied in the X, Y, or Z axis. Operating normal translational random flat profile 10 - 500 Hz 0.4 g RMS b.
Users should use caution exposing any electronic components to uncontrolled chemical pollutants and corrosive chemicals as electronic drive component reliability can be affected by the installation environment. The silver, copper, nickel and gold films used in Seagate products are especially sensitive to the presence of sulfide, chloride, and nitrate contaminants. Sulfur is found to be the most damaging.
6.5 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 12 for detailed mounting configuration dimensions. See Section 8.4, “Drive mounting.” Height (max): Width (max): Depth (max): Weight (max): 1.028 in 4.010 in 5.787 in 1.85 pounds 26.11 mm 101.85 mm 146.99 mm 0.
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7.0 Defect and error management Seagate continues to use innovative technologies to manage defects and errors. These technologies are designed to increase data integrity, perform drive self-maintenance, and validate proper drive operation. SCSI defect and error management involves drive internal defect/error management and FC system error considerations (errors in communications between the initiator and the drive).
The drive firmware error recovery algorithms consists of 11 levels for read recoveries and five levels for write. Each level may consist of multiple steps, where a step is defined as a recovery function involving a single reread or re-write attempt. The maximum level used by the drive in LBA recovery is determined by the read and write retry counts. Table 5 equates the read and write retry count with the maximum possible recovery time for read and write recovery of individual LBAs.
Table 5: Read and write retry count maximum recovery times [1] Read retry count Maximum recovery time per LBA (cumulative, msec) Write retry count Maximum recovery time per LBA (cumulative, msec) 0 51.87 0 23.94 1 59.85 1 35.91 2 203.49 2 55.86 3 219.45 3 67.83 4 253.11 4 119.79 5 279.35 5 (default) 147.72 6 311.27 7 395.12 8 463.12 9 495.04 10 530.95 11 (default) 1,282.97 [1] These values are subject to change.
With BMS, the host system can consume less power and system overhead by only checking BMS status and results rather than tying up the bus and consuming power in the process of host-initiated media scanning activity. Since the background scan functions are only done during idle periods, BMS causes a negligible impact to system performance.
8.0 Installation Cheetah 15K.5 FC disc drive installation is a plug-and-play process. There are no jumpers, switches, or terminators on the drive. Simply plug the drive into the host’s 40-pin Fibre Channel backpanel connector (FCSCA)—no cables are required. See Section 9.5 for additional information about this connector. Use the FC-AL interface to select drive ID and all option configurations for devices on the loop.
If forced air is necessary, possible air-flow patterns are shown in Figure 13. The air-flow patterns are created by fans either forcing or drawing air as shown in the illustrations. Conduction, convection, or other forced airflow patterns are acceptable as long as the temperature measurement guidelines of Section 6.4.1 are met. Above unit Note. Air flows in the direction shown (back to front) or in reverse direction (front to back) Under unit Above unit Note.
8.5 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 electrically 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 isolating) method of mounting the drive in the host equipment.
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9.0 Interface requirements This section partially describes the interface requirements as implemented on Cheetah 15K.5 FC drives. Additional information is provided in the Fibre Channel Interface Manual (part number 100293070). 9.1 FC-AL features This section lists the Fibre Channel-specific features supported by Cheetah 15K.5 FC drives. 9.1.1 Fibre Channel link service frames Table 6 lists the link services supported by Cheetah 15K.5 FC drives.
9.1.2 Fibre Channel task management functions Table 7 lists the Fibre Channel SCSI Fibre Channel Protocol (FC SCSI FCP) task management functions supported. Table 7: Fibre Channel SCSI FCP task management functions Task name Supported Terminate task No Clear ACA Yes Target reset Yes Clear task set Yes Abort task set Yes 9.1.3 Fibre Channel task management responses Table 8 lists the FC SCSI FCP response codes returned for task management functions supported.
9.1.4 Fibre Channel port login Table 9 identifies the required content of the N_Port Login (PLOGI) payload from an initiator.
9.1.5 Fibre Channel port login accept Table 10 identifies the N_Port Login access payload values.
9.1.7 Fibre Channel Process Login Accept Table 12 lists Cheetah 15K.5 FC process login accept payload data. Table 12: Process Login Accept (ACC) payload Bytes 0-15 02 10 00 14 16-31 00 00 00 12 9.1.8 08 00 21 00 00 00 00 00 00 00 00 00 Fibre Channel fabric login Table 13 lists the fabric login payload from the drive.
9.1.9 Fibre Channel fabric accept login Table 14 lists the required content of the Fabric Login Accept (ACC) payload from the fabric.
9.1.10 Fibre Channel Arbitrated Loop options Table 15 lists the FC-AL options supported by Cheetah 15K.5 FC drives. Table 15: FC-AL options supported Option Supported OPEN Half Duplex Accepted from another device. OPEN Full Duplex Sent to open another device. Accepted from another device. Private Loop Yes Public Loop Yes Old Port State No Loop Position Yes Loop Position Report Yes 9.2 Dual port support Cheetah 15K.5 FC drives have two independent FC-AL ports.
9.3 SCSI commands supported Table 16 lists the SCSI commands supported by Cheetah 15K.5 FC drives.
Table 16: Supported commands (continued) Command code Supported [4] Command name Y Verify error recovery page (07h) Y Caching parameters page (08h) Y Control mode page (0Ah) Y Fibre Channel Interface Control page (19h) Y Power control page (1Ah) Y Information exceptions control page (1Ch) Y Background Scan mode subpage (01h) 1Bh Y Start unit/stop unit 1Ch Y Receive diagnostic results Y Supported diagnostics pages Y Translate page Y Enclosure services page Y Send diagnostics p
Table 16: Supported commands (continued) Command code Supported [4] Command name 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 offse
Table 16: Supported commands (continued) Command code Supported [4] Command name Y Temperature page (0Dh) N Application Client page (0Fh) Y Self Test Results page (10h) Y Background Medium Scan page (15h) Y Cache Statistics Counter page (37h) Y Factory Log page (3Eh) 4E-4Fh N Not used 50h N XD write 51h N XP write 52h N 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
9.3.1 Inquiry data Table 17 lists the Inquiry command data that the drive should return to the initiator per the format given in the Fibre Channel Interface Manual. Table 17: Cheetah 15K.
On standard OEM drives, the saved values are taken from the default values list and stored into the saved values storage location on the media prior to shipping. 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. 4.
Table 18: Mode Sense data saved, default and changeable values for ST3300655FC drives MMODE SENSE (10 BYTE) HEADER DATA 00 ae 00 10 00 00 00 08 22 ec b2 5c 00 00 02 00 MODE SENSE PAGES DATA SAV 81 0a c0 0b ff 00 00 00 05 00 ff ff DEF 81 0a c0 0b ff 00 00 00 05 00 ff ff CHG 81 0a ff ff 00 00 00 00 ff 00 ff ff SAV 82 0e 80 80 00 00 00 00 00 00 01 3a 00 00 00 00 DEF 82 0e 80 80 00 00 00 00 00 00 01 3a 00 00 00 00 CHG 82 0e ff ff 00 00 00 00 00 00 ff ff 00 00 00 00 SAV 83 16 68 58 00 00 00 38 00 00 03 da 02 0
Table 19: Mode Sense data default and changeable values for ST3146855FC drives MODE SENSE (10 BYTE) HEADER DATA 00 ae 00 10 00 00 00 08 11 17 73 30 00 00 02 00 MODE SENSE PAGES DATA SAV 81 0a c0 0b ff 00 00 00 05 00 ff ff DEF 81 0a c0 0b ff 00 00 00 05 00 ff ff CHG 81 0a ff ff 00 00 00 00 ff 00 ff ff SAV 82 0e 80 80 00 00 00 00 00 00 01 3a 00 00 00 00 DEF 82 0e 80 80 00 00 00 00 00 00 01 3a 00 00 00 00 CHG 82 0e ff ff 00 00 00 00 00 00 ff ff 00 00 00 00 SAV 83 16 34 2c 00 00 00 1c 00 00 03 da 02 00 00 01
Table 20: Mode Sense data default and changeable values for ST373455FC drives MODE SENSE (10 BYTE) HEADER DATA 00 ae 00 10 00 00 00 08 08 8b b9 98 00 00 02 00 MODE SENSE PAGES DATA SAV 81 0a c0 0b ff 00 00 00 05 00 ff ff DEF 81 0a c0 0b ff 00 00 00 05 00 ff ff CHG 81 0a ff ff 00 00 00 00 ff 00 ff ff SAV 82 0e 80 80 00 00 00 00 00 00 01 3a 00 00 00 00 DEF 82 0e 80 80 00 00 00 00 00 00 01 3a 00 00 00 00 CHG 82 0e ff ff 00 00 00 00 00 00 ff ff 00 00 00 00 SAV 83 16 1a 16 00 00 00 0e 00 00 03 da 02 00 00 01 0
9.4 Miscellaneous operating features and conditions Table 21 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.
9.5 FC-AL physical interface Figure 14 shows the location of the J1 Fibre Channel single connection attachment (FC-SCA). Figure 16 provides the dimensions of the FC-SCA connector. 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.. J1 interface connector Figure 14. 9.5.
9.5.2 Connector requirements The FC-AL SCA device connector is illustrated in Figure 16. Contact your preferred connector vendors for mating connector part numbers. Figure 16. 9.5.3 FC-AL SCA device connector dimensions 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.
Table 23: FC-SCA pin descriptions Pin Signal name Signal type Pin Signal name 1* -EN bypass port A Low Voltage TTL output 21 12 Volts charge 2* 12 Volts 22 Ground 3* 12 Volts 23 Ground 4* 12 Volts 24* +Port A_in 5* -Parallel ESI 25* -Port A_in 6* Ground[1] 26 Ground 7* Active LED out 27* +Port B_in 8* Reserved 28* -Port B_in 9* Start_1[2] TTL input 29 Ground 10* Start_2[2] TTL input 30* +Port A_out 11* -EN bypass port B Low Voltage TTL output 31* -Port A
9.5.6 Power Power is supplied through the FC-SCA with support for +5 volts and +12 volts. All of the voltage pins in the drive connector are the same length. Four 12 volt pins provide +12 volt power to the drive. The current return for the +12 volt power supply is through the common ground pins. The supply current and return current must be distributed as evenly as possible among the pins. The maximum current typically occurs while the drive motor is starting.
9.5.8 Active LED Out The Active LED Out signal is driven by the drive as indicated in Table 24.
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 Interface. When the Parallel ESI line is high, the enclosure backpanel must provide address information on the SEL line. Refer to table 26 for a mapping of SEL to FC-AL physical addresses (AL_PA). You can think of the SEL lines as the equivalent of a backpanel logic plug. The drives does not provide pull up resistors on these lines.
Table 26: Arbitrated loop physical address (AL_PA) values AL_PA (hex) SEL ID (hex) Setting (dec) AL_PA (hex) SEL ID (hex) Setting (dec) AL_PA (hex) SEL ID (hex) Setting (dec) EF E8 00 01 00 01 A3 9F 2B 2C 43 44 4D 4C 56 57 86 87 E4 E2 02 03 02 03 9E 9D 2D 2E 45 46 4B 4A 58 59 88 89 E1 E0 04 05 04 05 9B 98 2F 30 47 48 49 47 5A 5B 90 91 DC DA 06 07 06 07 97 90 31 32 49 50 46 45 5C 5D 92 93 D9 D6 08 09 08 09 8F 88 33 34 51 52 43 3c 5E 5F 94 95 D5 D4 0A 0
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). Table lists the supported codes. Table 27: Device control code values 2 (pin 17) 1 (pin 18) 0 (pin 39) Definition 0 0 0 Reserved for power failure warning.
9.6.2 LED driver signals Fault and Active LED signals are located in the FC-SCA connector (J1). See Table 29 for the output characteristics of the LED drive signals. Table 29: LED drive signal State Current drive available LED off, high 0 < IOH < 100µA LED on, low IOL < -30 mA 9.6.3 Output voltage 0 < VOL < 0.8V FC Differential output The serial output signal voltage characteristics are provided in Table 30.
Figure 19 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. Vin (mv) 941 ps 659 ps Typical 376 ps Minimum Figure 19. Receive eye diagram Table 32: Eye diagram data values Link rate 1 GHz 2 GHz 4 GHz Bit time 941 ps 470 ps 235 ps XMIT eye 725 ps min. 315 ps min. 1581/1132 Typical 659 ps 305 ps 145 ps Minimum 395 ps 226 ps 113 ps RCV eye 1. 2. Short Ideal load.
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10.0 Seagate Technology support services Internet For information regarding Seagate products and services, visit www.seagate.com. Worldwide support is available 24 hours daily by email for your questions. Presales Support: Presales@Seagate.com Technical Support: DiscSupport@Seagate.com Warranty Support: http://www.seagate.com/support/service/index.html mySeagate my.seagate.com is the industry's first Web portal designed specifically for OEMs and distributors.
Customer Service Operations Warranty Service Seagate offers worldwide customer support for Seagate products. Seagate distributors, OEMs and other direct customers should contact their Seagate Customer Service Operations (CSO) representative for warrantyrelated issues. Resellers or end users of drive products should contact their place of purchase or Seagate warranty service for assistance. Have your serial number and model or part number available.
Index Numerics 12 volt pins 67 3rd party reserve command 57 5 volt pins 67 A Abort Sequence (ABTS) 47 abort task set function 48 AC coupling 66 AC power requirements 23 ACA active status 63 ACA active, faulted initiator status 63 Accept (ACC) 47 acoustics 35 active LED Out signal 68 Actual retry count bytes command 54 actuator assembly design 7 adaptive caching 63 Address Discovery (ADISC) 47 addresses 64 AFR 15 air cleanliness 35 air flow 44 illustrated 44 Alternate credit model 49, 52 altitude 32 ambient
D DAR 42 data block size modifing the 9 data heads read/write 11 data rate internal 11 data transfer rate 12 data valid eye 73 Date code page command 54 DC power 65 requirements 23 defect and error management 39 defects 39 Deferred Auto-Reallocation 42 deferred error handling 63 description 7 DEV_CTRL_CODE 71 Device Behavior page command 54 device control code values 71 Device Identification page command 54 device selection IDs 43 devices 43 dimensions 37 Disable page out command 55 disc rotation speed 11 D
Firmware download option command 56 Firmware numbers page command 54 flawed sector reallocation 8 FLOGI received on Port A 51 received on Port B 51 Force unit access command 55 form factor 8 format 43 Format command execution time 12 Format page (03h) command 54 Format unit command 54 front panel 37 FS 49, 50, 52 function complete, code 00 48 not supported, code 05 48 reject, code 04 48 illustrated 64 physical 64 requirements 47 interleave 8 intermediate/condition met/good status 63 intermediate/good statu
Deferred error handling 63 FC-AL selective reset 63 Parameter rounding 63 Queue tagging 63 Reporting actual retry count 63 Segmented caching 63 SMP = 1 in Mode Select command 63 Synchronized (locked) spindle operation 63 Zero latency read 63 miscellaneous status support ACA active 63 ACA active, faulted initiator 63 Busy 63 Check condition 63 Condition met/good 63 Good 63 Intermediate/condition met/good 63 Intermediate/good 63 Reservation conflict 63 Task set full 63 miscorrected media data 15 Mode select (
requirements, AC 23 requirements, DC 23 sequencing 25 Power control page (1Ah) command 55 power distribution 3 power failure warning 71 Prefetch command 56 prefetch/multi-segmented cache control 12 preventive maintenance 15 private loop FC-AL options 53 Proc Assc 49 Process Accept (ACC) 51 Process Login (PRLI) 47, 50 Process Login Accept (ACC) payload 51 process login payload data 50 Process Logout (PRLO) 47 programmable drive capacity 9 public loop FC-AL options 53 pull down resistor 68 Register FC-4 Type
shock 32, 33 and vibration 32 shock mount 45 signal characteristics 71 LED driver 72 single-unit shipping pack kit 10 SMART 9, 17 SMP = 1 in Mode Select command 63 SO 49, 52 spindle brake 8 Stacked connection req.
Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 100384772, Rev.
