Page 2 - © 2012 Seagate Technology LLC. All rights reserved.; Document Revision History; Revision
© 2012 Seagate Technology LLC. All rights reserved. Publication number: 100671510, Rev. B October 2012 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Constellation ES and SeaTools are either trademarks or...
Page 3 - Contents; PowerChoice
Constellation ES.3 SAS Product Manual, Rev. B Contents Seagate® Technology Support Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 7 - COPE; This manual describes Seagate Technology; Standard models
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 2 1.0 S COPE This manual describes Seagate Technology ® LLC, Constellation ® ES.3 SAS (Serial Attached SCSI) disk drives. Constellation ES.3 drives support the SAS Protocol specifications to the extent described in this manual. The SAS Interface Ma...
Page 8 - PPLICABLE STANDARDS AND REFERENCE DOCUMENTATION; TANDARDS; Electromagnetic compatibility
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 3 2.0 A PPLICABLE STANDARDS AND REFERENCE DOCUMENTATION The drives documented in this manual have been developed as system peripherals to the highest standards of design and construction. The drives depends on host equipment to provide adequate pow...
Page 9 - Korean KCC; Constellation ES.3 SAS; Taiwanese BSMI
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 4 Australian C-Tick If this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZ CISPR22 and meets the Electromagnetic Compatibility (EMC) Framework requirements of Australia’s Spectrum Management Agency (SMA). Kor...
Page 10 - China Restriction of Hazardous Substances (RoHS) Directive; EFERENCE DOCUMENTS
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 5 2.1.4 China Restriction of Hazardous Substances (RoHS) Directive This product has an Environmental Protection Use Period (EPUP) of 20 years. The following table contains information mandated by China's "Marking Requirements for Control of Pol...
Page 11 - ENERAL DESCRIPTION; SAS Interface Manual
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 6 3.0 G ENERAL DESCRIPTION Constellation ES.3 drives provide high performance, high capacity data storage for a variety of systems including engineering workstations, network servers, mainframes, and supercomputers. The Serial Attached SCSI interfa...
Page 12 - TANDARD FEATURES; Constellation
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 7 3.1 S TANDARD FEATURES Constellation ES.3 drives have the following standard features: • Perpendicular recording technology• 1.5 / 3.0 / 6.0 Gb Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protoco...
Page 13 - ELIABILITY; ROGRAMMABLE DRIVE CAPACITY
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 8 3.4 R ELIABILITY • Annualized Failure Rate (AFR) of 0.63%• Mean time between failures (MTBF) of 1,400,000 hours• Balanced low mass rotary voice coil actuator• Incorporates industry-standard Self-Monitoring Analysis and Reporting Technology (S.M.A...
Page 14 - ERFORMANCE CHARACTERISTICS; NTERNAL DRIVE CHARACTERISTICS; Format command execution time for 512-byte sectors (minutes)
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 9 4.0 P ERFORMANCE CHARACTERISTICS This section provides detailed information concerning performance-related characteristics and features of Constellation ES.3 drives. 4.1 I NTERNAL DRIVE CHARACTERISTICS ST4000NM0023 ST3000NM0023 ST2000NM0023 ST100...
Page 15 - Case A; Drive transfers the requested logical blocks to the initiator.; Case B; Refer to the
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 10 4.2 S TART / STOP TIME The drive accepts the commands listed in the SAS Interface Manual less than 3 seconds after DC power has been applied. If the drive receives a NOTIFY (ENABLE SPINUP) primitive through either port and has not received a STA...
Page 16 - Caching write data
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 11 The size of each segment is not reported by Mode Sense command page 08h, bytes 14 and 15. The value 0XFFFF is always reported regardless of the actual size of the segment. Sending a size specification using the Mode Select command (bytes 14 and ...
Page 17 - ELIABILITY SPECIFICATIONS; RROR RATES; Recoverable Errors; ELIABILITY AND SERVICE
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 12 5.0 R ELIABILITY 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. 5.1 ...
Page 18 - Hot plugging the drive
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 13 5.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failure (MTBF) The product shall achieve an AFR of 0.63% (MTBF of 1,400,000 hours) when operated at nominal power and typical case temperatures of 40°C. Operation at temperatures outside ...
Page 19 - Performance impact
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 14 Controlling S.M.A.R.T. The operating mode of S.M.A.R.T. is controlled by the DEXCPT and PERF bits on the Informational Exceptions Control mode page (1Ch). Use the DEXCPT bit to enable or disable the S.M.A.R.T. feature. Setting the DEXCPT bit dis...
Page 20 - There are two test coverage options implemented in DST:; DST failure definition; Recovered errors will not be reported as diagnostic failures.; Implementation; Primary Temperature
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 15 A temperature sensor monitors the drive temperature and issues a warning over the interface when the temperature exceeds a set threshold. The temperature is measured at power-up and then at ten-minute intervals after power-up. The thermal monito...
Page 21 - Invoking DST; DST has two testing options:; Log page entries; The Self-Test Results Value field is set to Fh; Abort
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 16 While not technically part of DST, a Not Ready condition also qualifies the drive to be returned to Seagate as a failed drive. A Drive Not Ready condition is reported by the drive under the following conditions:• Motor will not spin• Motor will ...
Page 22 - Product warranty; See “Seagate® Technology Support Services” on page; Shipping
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 17 You can abort a DST executing in background mode by using the abort code in the DST Function Code field. This will cause a 01 (self-test aborted by the application client) code to appear in the self-test results values log. All other abort mecha...
Page 23 - HYSICAL; OWER; POWER MANAGEMENT; PowerChoice modes; Reduced electronics; can be invoked using one of these two methods:
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 18 6.0 P HYSICAL / ELECTRICAL SPECIFICATIONS This section provides information relating to the physical and electrical characteristics of the drive. 6.1 P OWER C HOICE TM POWER MANAGEMENT Drives using the load/unload architecture provide programmab...
Page 24 - PowerChoice reporting methods; provides these reporting methods for tracking purposes:; Request Sense command reports; • Specified and accumulated Start/Stops and Load/Unload cycles; AC; DC; POWER REQUIREMENTS
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 19 6.1.1 PowerChoice reporting methods PowerChoice TM provides these reporting methods for tracking purposes: Request Sense command reports • Current power condition• Method of entry . Mode Sense command reports (mode page 0x1A) • Idle conditions e...
Page 25 - Table 2
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 20 Table 2 4TB drive DC power requirements N OTES 3.0G B MODE 6.0G B MODE (A MPS ) (A MPS ) (A MPS ) (A MPS ) Voltage +5V +12V [2] +5V +12V [2] Regulation [5] ± 5% [2] ± 5% [2] Avg idle current DCX [1] [7] 0.40 0.51 0.37 0.51 Advanced idle current ...
Page 26 - Table 3
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 21 Table 3 3TB drive DC power requirements N OTES 3.0G B MODE 6.0G B MODE (A MPS ) (A MPS ) (A MPS ) (A MPS ) Voltage +5V +12V [2] +5V +12V [2] Regulation [5] ± 5% [2] ± 5% [2] Avg idle current DCX [1] [7] 0.33 0.43 0.36 0.43 Advanced idle current ...
Page 27 - Table 4
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 22 Table 4 2TB drive DC power requirements N OTES 3.0G B MODE 6.0G B MODE (A MPS ) (A MPS ) (A MPS ) (A MPS ) Voltage +5V +12V [2] +5V +12V [2] Regulation [5] ± 5% [2] ± 5% [2] Avg idle current DCX [1] [7] 0.33 0.34 0.33 0.34 Advanced idle current ...
Page 28 - Operating condition is defined as random 8 block reads.
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 23 [1] Measured with average reading DC ammeter. Instantaneous +12V current peaks will exceed these values. Power supply at nominal voltage. N (number of drives tested) = 6, 35 Degrees C ambient. [2] For +12 V, a –10% tolerance is allowed during in...
Page 29 - General DC power requirement notes.; The +5V and +12V supplies should employ separate ground returns.; Conducted noise immunity
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 24 General DC power requirement notes. 1. Minimum current loading for each supply voltage is not less than 1.7% of the maximum operating current shown. 2. The +5V and +12V supplies should employ separate ground returns. 3. Where power is provided t...
Page 30 - Current profiles; TB model current profiles
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 25 6.3.3 Current profiles The +12V (top) and +5V (bottom) current profiles for the Constellation ES drives are shown below. Figure 1. 4TB model current profiles Note: All times and currents are typical. See Table 2 for maximum current requirements.
Page 31 - TB model current profiles
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 26 The +12V (top) and +5V (bottom) current profiles for the Constellation ES drives are shown below. Figure 2. 3TB model current profiles Note: All times and currents are typical. See Table 3 for maximum current requirements.
Page 32 - TB model current profiles
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 27 The +12V (top) and +5V (bottom) current profiles for the Constellation ES drives are shown below. Figure 3. 2TB model current profiles Note: All times and currents are typical. See Table 4 for maximum current requirements.
Page 33 - TB model current profiles
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 28 The +12V (top) and +5V (bottom) current profiles for the Constellation ES drives are shown below. Figure 4. 1TB model current profiles Note: All times and currents are typical. See Table 5 for maximum current requirements.
Page 34 - OWER DISSIPATION; TB models in 3Gb operation; TB models in 6Gb operation; Please refer to Table 2 for power dissipation numbers.
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 29 6.4 P OWER DISSIPATION 4TB models in 3Gb operation Please refer to Table 2 for power dissipation numbers. 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 ...
Page 35 - TB models in 3Gb operation; TB models in 6Gb operation; Please refer to Table 3 for power dissipation numbers.
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 30 3TB models in 3Gb operation Please refer to Table 3 for power dissipation numbers. 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 you...
Page 36 - TB models in 3Gb operation; TB models in 6Gb operation; Please refer to Table 4 for power dissipation numbers.
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 31 2TB models in 3Gb operation Please refer to Table 4 for power dissipation numbers. 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 you...
Page 37 - TB models in 3Gb operation; TB models in 6Gb operation; Please refer to Table 5 for power dissipation numbers.
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 32 1TB models in 3Gb operation Please refer to Table 5 for power dissipation numbers. 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 you...
Page 38 - NVIRONMENTAL LIMITS; Temperature; Check Point; Location of the HDA temperature check point; Relative humidity; The values below assume that no condensation on the drive occurs.; Image is for reference only, may not represent actual drive.
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 33 6.5 E NVIRONMENTAL 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...
Page 39 - Shock and vibration; b. Operating—abnormal
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 34 6.5.4 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 ...
Page 40 - Any; Recommended mounting
P ACKAGE SIZE P ACKAGED / PRODUCT WEIGHT D ROP HEIGHT <600 cu in (<9,800 cu cm) Any 60 in (1524 mm) 600-1800 cu in (9,800-19,700 cu cm) 0-20 lb (0 to 9.1 kg) 48 in (1219 mm) >1800 cu in (>19,700 cu cm) 0-20 lb (0 to 9.1 kg) 42 in (1067 mm) >600 cu in (>9,800 cu cm) 20-40 lb (9.1 to...
Page 41 - Vibration; Acoustics
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 36 6.5.4.2 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 0.25 Gs, limited displacement 22 - 350 Hz 0.5...
Page 42 - ECHANICAL SPECIFICATIONS; Mounting configuration dimensions
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 37 6.6 M ECHANICAL SPECIFICATIONS Refer to Figure 15 for detailed mounting configuration dimensions. See Section 10.3, “Drive mounting.” mm in mm in mm in Figure 15. Mounting configuration dimensions Weight: 4TB 1.543 lb 700 g 3TB 1.444 lb 655 g 2T...
Page 43 - BOUT; FIPS; Purpose; Example of FIPS tamper evidence labels.
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 38 7.0 A BOUT FIPS The Federal Information Processing Standard (FIPS) Publication 140-2 is a U.S. Government Computer Security Standard used to accredit cryptographic modules. It is titled 'Security Requirements for Cryptographic Modules (FIPS PUB ...
Page 44 - BOUT SELF; • Security Protocol Out; Admin SP; ANDOM NUMBER GENERATOR
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 39 8.0 A BOUT SELF - ENCRYPTING DRIVES Self-encrypting drives (SEDs) offer encryption and security services for the protection of stored data, commonly known as “protection of data at rest.” These drives are compliant with the Trusted Computing Gro...
Page 45 - The download file must be signed and authenticated.; - CRYPTOGRAPHIC ERASE
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 40 When the drive is shipped from the factory, the firmware download port is unlocked. 8.5 D ATA BANDS When shipped from the factory, the drive is configured with a single data band called Band 0 (also known as the Global Data Band) which comprises...
Page 46 - EFECT AND ERROR MANAGEMENT; RIVE INTERNAL DEFECTS
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 41 9.0 D EFECT 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...
Page 47 - SAS; SYSTEM ERRORS; Table 6; Write retry count
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 42 * For read retry count, every tick ~ 5% of total error recovery. Valid range setting is 1-20. e.g. 1 ~ 5% 5 ~ 25% 20 ~ 100% Setting these retry counts to a value below the default setting could result in degradation of the unrecovered error rate...
Page 48 - Levels of PI; There are 4 types of Protection Information.
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 43 9.5 M EDIA P RE -S CAN Media Pre-Scan is a feature that allows the drive to repair media errors that would otherwise have been found by the host system during critical data accesses early in the drive’s life. The default setting for Media Pre-Sc...
Page 49 - - Seagate products do not support Type 3.; Setting and determining the current Type Level
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 44 Type 3 - Seagate products do not support Type 3. 9.8.2 Setting and determining the current Type Level A drive is initialized to a type of PI by using the format command on a PI capable drive. Once a drive is formatted to a PI Type, it may be que...
Page 50 - NSTALLATION; Power is supplied through the SAS connector.; Physical interface; RIVE ORIENTATION
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 45 10.0 I NSTALLATION Constellation ES.3 disk drive installation is a plug-and-play process. There are no jumpers, switches, or terminators on the drive. SAS drives are designed to be used in a host system that provides a SAS-compatible backplane w...
Page 51 - Air flow; RIVE MOUNTING; Breather hole location - top cover; Do not cover breather hole on top cover.
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 46 If forced air is determined to be necessary, possible air-flow patterns are shown in Figure 18. The air-flow patterns are created by one or more fans, either forcing or drawing air as shown in the illustrations. Conduction, convection, or other ...
Page 52 - ROUNDING
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 47 10.4 G ROUNDING 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 sho...
Page 53 - NTERFACE REQUIREMENTS; FEATURES; task management functions; Table 7 lists the SAS task management functions supported.; task management responses; UAL PORT SUPPORT; Table 7; Table 8
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 48 11.0 I NTERFACE REQUIREMENTS This section partially describes the interface requirements as implemented on Constellation ES.3 drives. Additional information is provided in the SAS Interface Manual (part number 100293071). 11.1 SAS FEATURES This ...
Page 54 - SCSI; COMMANDS SUPPORTED; Table 9
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 49 11.3 SCSI COMMANDS SUPPORTED Table 9 lists the SCSI commands supported by Constellation ES.3 drives. Table 9 Supported commands C OMMAND NAME C OMMAND CODE S UPPORTED Change Definition 40h N Compare 39h N Copy 18h N Copy and Verify 3Ah N Format ...
Page 57 - Reference Mode Sense command 1Ah for mode pages supported.
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 52 [1] Constellation ES.3 drives can format to 512, 520 or 528 bytes per logical block. [2] Warning. Power loss during flash programming can result in firmware corruption. This usually makes the drive inoperable. [3] Reference Mode Sense command 1A...
Page 58 - Inquiry data; Table 10 Constellation ES.3 inquiry data; PP
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 53 11.3.1 Inquiry data Table 10 lists the Inquiry command data that the drive should return to the initiator per the format given in the SAS Interface Manual . Table 10 Constellation ES.3 inquiry data B YTES D ATA ( HEX ) 0-15 00 00 xx** 12 8B 00 3...
Page 59 - Mode Sense data; Default values
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 54 11.3.2 Mode Sense data The Mode Sense command provides a way for the drive to report its operating parameters to the initiator. The drive maintains four sets of mode parameters: 1. Default values Default values are hard-coded in the drive firmwa...
Page 64 - ISCELLANEOUS OPERATING FEATURES AND CONDITIONS; Table 15 Miscellaneous features; Table 16 Miscellaneous status
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 59 11.4 M ISCELLANEOUS OPERATING FEATURES AND CONDITIONS Table 15 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...
Page 65 - SAS physical interface
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 60 11.4.1 SAS physical interface Figure 19 shows the location of the SAS device connector J1. Figures 20 and 21 provide the dimensions of the SAS connector. Details of the physical, electrical, and logical characteristics are provided within this s...
Page 66 - SAS device plug dimensions; C OF DATUM B
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 61 Figure 20. SAS device plug dimensions C OF DATUM B L 5.08 1.27 (6X) 1.27 (14X) 15.875 0.35MIN 15.875 33.43 0.05 B 4.90 0.08 0.84 0.05 (22X) 0.15 B P15 P1 S7 S1 SEE Detail1 0.30 0.05 (4X) 4.00 0.08 0.15 D 0.30 0.05 (2X) 41.13 0.15 B B C C A A 0.2...
Page 67 - Detail A
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 62 Figure 21. SAS device plug dimensions (detail) 6.10 Detail A 0.30 0.05 x 45 (5X) 0.40 0.05 X 45 (3X) CORING ALLOWED IN THIS AREA. 2.25 0.05 4.85 0.05 0.10 B E S14 S8 4.40 0.15 SEE Detail 2 3.90 0.15 SECTION A - A SECTION C - C A 0.35 0.05 45 R0....
Page 68 - Physical characteristics; This section defines physical interface connector.; Connector requirements; The SAS device connector is illustrated in Figures 20 and 21.; Electrical description; SAS drives use the device connector for:; Pin descriptions; Table 17 SAS pin descriptions
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 63 11.4.2 Physical characteristics This section defines physical interface connector. 11.4.3 Connector requirements Contact your preferred connector manufacturer for mating part information. Part numbers for SAS connectors will be provided in a fut...
Page 69 - SAS transmitters and receivers; Power; IGNAL CHARACTERISTICS; Ready LED Out; Table 18 Ready LED Out conditions; LED; Ready LED Meaning bit mode page 19h
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 64 11.4.6 SAS transmitters and receivers A typical SAS differential copper transmitter and receiver pair is shown in Figure 22. The receiver is AC coupling to eliminate ground shift noise. Figure 22. SAS transmitters and receivers 11.4.7 Power The ...
Page 70 - Differential signals; Table 20 defines the general interface characteristics.; Table 19 LED drive signal; VOH; LED o; Table 20 General interface characteristics; Mbaud
C ONSTELLATION ES.3 SAS P RODUCT M ANUAL , R EV . B 65 11.5.2 Differential signals The drive SAS differential signals comply with the intra-enclosure (internal connector) requirements of the SAS standard. Table 20 defines the general interface characteristics. 11.6 SAS-2 S PECIFICATION C OMPLIANCE S...
Page 71 - Index; Numerics
Constellation ES.3 SAS Product Manual, Rev. B 66 Index Numerics 12 volt pins 64 5 volt pins 64 6 Gbps 65 A abort task set function 48 AC coupling 64 AC power requirements 19 ACA active status 59 ACA active, faulted initiator status 59 acoustics 36 active LED Out signal 64 actuator 8 assembly design ...
Page 72 - See
Constellation ES.3 SAS Product Manual, Rev. B 67 Deferred Auto-Reallocation 43 deferred error handling 59 DEK 39 description 6 DFE 65 dimensions 37 disk rotation speed 9 drive 36 drive characteristics 9 Drive Locking 39 drive mounting 37 , 46 drive select 63 dual port support 48 E electrical descrip...
Page 74 - See also
Constellation ES.3 SAS Product Manual, Rev. B 69 PowerCycle 39 prefetch/multi-segmented cache control 10 preventive maintenance 12 protection information 43 protection of data at rest 39 Q queue tagging 59 R radio interference regulations 3 RAID Rebuild 7 Random number generator 39 RCD bit 10 read e...
Page 76 - Seagate Technology LLC
Seagate Technology LLC AMERICAS Seagate Technology LLC 10200 South De Anza Boulevard, Cupertino, California 95014, United States, 408-658-1000 ASIA/PACIFIC Seagate Singapore International Headquarters Pte. Ltd. 7000 Ang Mo Kio Avenue 5, Singapore 569877, 65-6485-3888EUROPE, MIDDLE EAST AND AFRICA Se...
