Product Manual Barracuda ES.2 FC ST31000640FC 100498209 Rev.
Copyright © 2008 Seagate Technology LLC. All rights reserved. Printed in U.S.A. Publication number: 100498209, Rev. B, June 2008 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Barracuda ES.2, 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.
Barracuda ES.2 FC Product Manual, Rev.
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Contents 1.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Standards, compliance and reference documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1 Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1.1 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . . . . . . . .
.0 Physical/electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.1 AC power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.2 DC power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.2.1 Conducted noise immunity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.2.
9.6 10.0 9.5.3 Electrical description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.5.4 Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.5.5 FC-AL transmitters and receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.5.6 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.5.7 Fault LED Out . . .
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1.0 Scope This manual describes Seagate Technology® LLC, Barracuda ES.2 FC (Fibre Channel) disc drives. Barracuda ES.2 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. Barracuda ES.2 FC Product Manual, Rev.
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2.0 Standards, compliance and reference documents 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.
2.2 Compliance 2.2.1 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.
2.3 Reference documents SCSI Commands Reference Manual Seagate part number: 100293068 Fibre Channel Interface Manual Seagate part number: 100293070 ANSI Fibre Channel Documents X3.230-1994 X3.297.1997 X3.303.1998 X3.272-1996 X3.
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3.0 General description Barracuda ES.2 FC drives provide high performance, high capacity data storage for a variety of systems including engineering workstations, network servers, mainframes, and supercomputers. Barracuda ES.2 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. Barracuda ES.
3.
3.3 Performance • Programmable multi-segmentable cache buffer • 800 Mbytes/sec maximum instantaneous data transfers • 7,200 RPM spindle. Average latency = 4.16 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 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. 3.7 Factory-installed options You may order the following items which are incorporated at the manufacturing facility during production or packaged before shipping.
4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Barracuda ES.2 FC drives. 4.1 Internal drive characteristics Drive capacity* Read/write data heads Tracks per inch Peak bits per inch Areal density Internal data rate Disc rotation speed Avg rotational latency ST31000640FC 1,000 8 150,000 1,090k 164 1,287 7,200 4.
4.2.3 General performance characteristics Sustainable disc transfer rate*: Minimum 56 Mbytes/sec Maximum 116 Mbytes/sec Fibre Channel Interface maximum instantaneous transfer rate 400 Mbytes/sec* per port (dual port = 800 Mbytes/sec*) Logical block sizes Default is 512-byte data blocks Sector sizes variable to 512, 520, 524 and 528 bytes.
All default cache and prefetch mode parameter values (Mode Page 08h) for standard OEM versions of this drive family are given in Section 9.3.2 4.5 Note. Cache operation Refer to the Fibre Channel Interface Manual for more detail concerning the cache bits. Of the 16 Mbytes physical buffer space in the drive, approximately 13,000 kbytes can be used as a cache. The buffer is divided into logical segments from which data is read and to which data is written.
If write caching is enabled (WCE=1), then the drive may return Good status on a write command after the data has been transferred into the cache, but before the data has been written to the medium. If an error occurs while writing the data to the medium, and Good status has already been returned, a deferred error will be generated. The Synchronize Cache command may be used to force the drive to write all cached write data 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: MTBF 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.
A Drive Not Ready condition is reported by the drive under the following conditions: • 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.
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 2.
three-quarters to maximum track. General DC power requirement notes. 1. Minimum current loading for each supply voltage is not less than 1.2% of the maximum operating current shown. 2. The +5V and +12V supplies should employ separate ground returns. 3. Where power is provided to multiple drives from a common supply, careful consideration for individual drive power requirements should be noted. Where multiple units are powered on simultaneously, the peak starting current must be available to each device. 4.
6.2.3 Current profiles The +12V and +5V current profiles for the ST31000640FC model is shown below. Note: All times and currents are typical. See Table 2 for maximum current requirements. Figure 1. Typical ST31000640FC drive, 4 Gbit, +5V and +12V current profiles Barracuda ES.2 FC Product Manual, Rev.
6.3 Power dissipation Typical power dissipation under idle conditions in 4 Gbit operation is 9.16 watts (31.26 BTUs per hour). To obtain operating power for typical random read operations, refer to the following I/O rate curve (see Figure 2). 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. Figure 2.
6.4 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). Maximum wet bulb temperature is 82°F (28°C). Above 1,000 feet (305 meters), the maximum temperature is derated linearly to 112°F (44°C) at 10,000 feet (3,048 meters). 6.4.1 Temperature a.
6.4.3 Effective altitude (sea level) a. Operating –200 to +10,000 feet (–61 to +3,048 meters) b. Non-operating –200 to +40,000 feet (–61 to +12,210 meters) 6.4.4 Shock and vibration Shock and vibration limits specified in this document are measured directly on the drive chassis. If the drive is installed in an enclosure to which the stated shock and/or vibration criteria is applied, resonances may occur internally to the enclosure resulting in drive movement in excess of the stated limits.
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. 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 5 - 22 Hz 22 - 350 Hz 350 - 500 Hz 0.25 Gs, Limited displacement 0.5 Gs 0.
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 Refer to Figure 4 for detailed physical dimensions. See Section 8.4, “Drive mounting.” Height (max): Width (max): Depth (max): Weight (max): 1.028 in 4.010 in 5.787 in 1.53 pounds 26.11 mm 101.85 mm 146.99 mm 0.694 kilograms B J H L K // T -Z- S REF -Z- [1] R REF N -XA -ZM C -X- Notes: [1] Mounting holes are 6-32 UNC 2B, three on each side and four on the bottom. Max screw penetration into side of drive is 0.15 in. (3.81 mm). Max screw tightening torque is 6.
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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 3 equates the read and write retry count with the maximum possible recovery time for read and write recovery of individual LBAs.
7.3 FC-AL system errors Information on the reporting of operational errors or faults across the interface is given in the Fibre Channel Interface Manual. The FCP Response returns information to the host about numerous kinds of errors or faults. The Receive Diagnostic Results reports the results of diagnostic operations performed by the drive. Status returned by the drive to the initiator is described in the Fibre Channel Interface Manual.
7.6 Deferred Auto-Reallocation Deferred Auto-Reallocation (DAR) simplifies reallocation algorithms at the system level by allowing the drive to reallocate unreadable locations on a subsequent write command. Sites are marked for DAR during read operations performed by the drive. When a write command is received for an LBA marked for DAR, the auto-reallocation process is invoked and attempts to rewrite the data to the original location.
8.0 Installation Barracuda ES.2 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 5. The air-flow patterns are created by fans either forcing or drawing air as shown in the illustrations. Conduction, convection, or other forced air-flow 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 Barracuda ES.2 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 Barracuda ES.2 FC drives. 9.1.1 Fibre Channel link service frames Table 4 lists the link services supported by Barracuda ES.2 FC drives.
9.1.2 Fibre Channel task management functions Table 5 lists the Fibre Channel SCSI Fibre Channel Protocol (FC SCSI FCP) task management functions supported. Table 5: 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 6 lists the FC SCSI FCP response codes returned for task management functions supported.
9.1.4 Fibre Channel port login Table 7 identifies the required content of the N_Port Login (PLOGI) payload from an initiator.
9.1.5 Fibre Channel port login accept Table 8 identifies the N_Port Login access payload values.
9.1.7 Fibre Channel Process Login Accept Table 10 lists Barracuda ES.2 FC process login accept payload data. Table 10: 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 11 lists the fabric login payload from the drive.
9.1.9 Fibre Channel fabric accept login Table 12 lists the required content of the Fabric Login Accept (ACC) payload from the fabric.
9.1.10 Fibre Channel Arbitrated Loop options Table 13 lists the FC-AL options supported by Barracuda ES.2 FC drives. Table 13: 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 Barracuda ES.2 FC drives have two independent FC-AL ports.
9.3 SCSI commands supported Table 14 lists the SCSI commands supported by Barracuda ES.2 FC drives.
Table 14: 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 14: 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 14: 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 15 lists the Inquiry command data that the drive should return to the initiator per the format given in the Fibre Channel Interface Manual. Table 15: Barracuda ES.
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. 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.
Table 16: Mode Sense data saved, default and changeable values for ST31000640FC drives MODE SENSE HEADER DATA 00 be 00 10 00 00 00 08 BLOCK DESCRIPTOR 74 70 6d b0 00 00 02 00 MODE SENSE PAGES DATA 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 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 DEF 83 16 bb d0 00 00 00 00 03 80 04 c4 02 00 00 01 00 a0 00 4c 40 00 00 00 CHG 83 16 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0
9.4 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.
9.5 FC-AL physical interface Figure 6 shows the location of the J1 Fibre Channel single connection attachment (FC-SCA). Figure 8 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 6. Physical interface 9.5.
9.5.2 Connector requirements The FC-AL SCA device connector is illustrated in Figure 8. Figure 8. 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. External cables are not required. 9.5.
Table 19: 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* [2] TTL input 29 Ground [2] Start_1 Open collector out Signal type FC Diff. input pair FC Diff.
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 20.
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 22 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 22: 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 23: 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 25 for the output characteristics of the LED drive signals. Table 25: 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 26.
Figure 11 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 11. Receive eye diagram Table 28: 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.
12 volt pins 59 3rd party reserve command 51 5 volt pins 59 BB 43, 46 BB-Credit 43, 46 BMS 35 buffer data 8 space 13 busy status 55 bypass circuit 16 Byte check command 49 A C Abort Sequence (ABTS) 41 abort task set function 42 AC coupling 58 AC power requirements 23 ACA active status 55 ACA active, faulted initiator status 55 Accept (ACC) 41 acoustics 29 active LED Out signal 60 Actual retry count bytes command 48 actuator assembly design 7 adaptive caching 55 Address Discovery (ADISC) 41 addresses 56
D DAR 36 data block size modifing the 9 data heads read/write 11 data rate internal 11 data transfer rate 12 data valid eye 65 Date code page command 48 DC power 57 requirements 23 defect and error management 33 defects 33 Deferred Auto-Reallocation 36 deferred error handling 55 description 7 DEV_CTRL_CODE 63 Device Behavior page command 48 device control code values 63 Device Identification page command 48 device selection IDs 37 devices 37 dimensions 31 Disable page out command 49 disc rotation speed 11 D
corruption 51 Firmware download option command 50 Firmware numbers page command 48 flawed sector reallocation 8 FLOGI received on Port A 45 received on Port B 45 Force unit access command 49 form factor 8 format 37 Format command execution time 11 Format page (03h) command 48 Format unit command 48 FS 43, 44, 46 function complete, code 00 42 not supported, code 05 42 reject, code 04 42 G Good status 55 gradient 27 ground shift noise 58 grounding 39 H hard assigned arbitrated loop physical address (AL_PA)
Queue tagging 55 Reporting actual retry count 55 Segmented caching 55 SMP = 1 in Mode Select command 55 Synchronized (locked) spindle operation 55 Zero latency read 55 miscellaneous status support ACA active 55 ACA active, faulted initiator 55 Busy 55 Check condition 55 Condition met/good 55 Good 55 Intermediate/condition met/good 55 Intermediate/good 55 Reservation conflict 55 Task set full 55 miscorrected media data 15 Mode select (10) command 51 command 48 Mode sense (10) command 51 command 48 data, tabl
prefetch/multi-segmented cache control 12 preventive maintenance 15 private loop FC-AL options 47 Proc Assc 43 Process Accept (ACC) 45 Process Login (PRLI) 41, 44 Process Login Accept (ACC) payload 45 process login payload data 44 Process Logout (PRLO) 41 programmable drive capacity 9 public loop FC-AL options 47 pull down resistor 60 repair and return information 21 reporting actual retry count 55 Request sense command 48 reservation conflict status 55 Reserve command 48 Reserved (10) command 51 resonance
SMP = 1 in Mode Select command 55 SO 43, 46 spindle brake 8 Stacked connection req.
Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 100498209, Rev.
