Page 2 - © 2010, Seagate Technology LLC All rights reserved.
© 2010, Seagate Technology LLC All rights reserved. Publication number: 100384776, Rev. J May 2010 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 trade-marks or reg...
Page 3 - Contents
Cheetah 15K.5 SCSI Product Manual, Rev. J i Contents 1.0 Seagate Technology support services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 4 - ii
ii Cheetah 15K.5 SCSI Product Manual, Rev. J 7.4 Environmental limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297.4.1 Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 5 - iii; List of Figures
Cheetah 15K.5 SCSI Product Manual, Rev. J iii List of Figures Figure 1. Typical ST3300655LW drive +5 V LVD current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 2. ST3300655LC DC current and power vs. IOPS (LVD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 7 - Seagate Technology support services; SEAGATE ONLINE SUPPORT and SERVICES
Cheetah 15K.5 SCSI Product Manual, Rev. J 1 1.0 Seagate Technology support services SEAGATE ONLINE SUPPORT and SERVICES For information regarding products and services, visit http://www.seagate.com/www/en-us/about/contact_us/ Available services include: Presales & Technical support Global Suppor...
Page 8 - Scope; This manual describes Seagate
2 Cheetah 15K.5 SCSI Product Manual, Rev. J 2.0 Scope This manual describes Seagate ® Technology LLC, Cheetah ® 15K.5 SCSI disc drives. Cheetah 15K.5 SCSI drives support the small computer system interface (SCSI) as described in the ANSI SCSI SPI-4 interface specifications to the extent described in...
Page 9 - Applicable standards and reference documentation; Standards; Parallel SCSI Interface Manual; Electromagnetic compatibility
Cheetah 15K.5 SCSI Product Manual, Rev. J 3 3.0 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 ac...
Page 10 - Electromagnetic compliance; • Typical current use microprocessor; Electromagnetic compliance for the European Union; European Union Restriction of Hazardous Substances (RoHS)
4 Cheetah 15K.5 SCSI Product Manual, Rev. J 3.2 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance to the directives/standard(s) for CE Marking and C-Tick Marking. The drive was tested in a representative system for typical applications. The selected sys-tem repr...
Page 11 - Reference documents; Cheetah 15K.5 SCSI Installation Guide
Cheetah 15K.5 SCSI Product Manual, Rev. J 5 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 operat-ing procedures that ensure that restr...
Page 12 - General description; Cheetah 15K.5 SCSI drives combine; Drive model number vs. differentiating features; Model number
6 Cheetah 15K.5 SCSI Product Manual, Rev. J 4.0 General description Cheetah 15K.5 SCSI drives combine Tunneling Magnetoresistive (TMR) heads and a wide Ultra320 SCSI interface to provide high performance, high capacity data storage for a variety of systems including engineer-ing workstations, networ...
Page 14 - Performance; • Supports industry standard Ultra320 SCSI interface; Reliability; • Increased LSI circuitry integration; Formatted capacities
8 Cheetah 15K.5 SCSI Product Manual, Rev. J 4.3 Performance • Supports industry standard Ultra320 SCSI interface • Programmable multi-segmentable cache buffer (see Section 5.5) • 15k RPM spindle. Average latency = 2.0 msec • Command queuing of up to 64 commands • Background processing of queue • Sup...
Page 15 - Programmable drive capacity; SCSI Interface Manual; Factory installed accessories; Cheetah 15K.5 Installation Guide; Accessories
Cheetah 15K.5 SCSI Product Manual, Rev. J 9 4.5.1 Programmable drive capacity Using the Mode Select command, the drive can change its capacity to something less than maximum. See the Mode Select Parameter List table in the SCSI Interface Manual . Refer to the Parameter list block descriptor number o...
Page 16 - Performance characteristics; Internal drive characteristics (transparent to user)
10 Cheetah 15K.5 SCSI Product Manual, Rev. J 5.0 Performance characteristics 5.1 Internal drive characteristics (transparent to user) * One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. ** Rounded...
Page 17 - access time
Cheetah 15K.5 SCSI Product Manual, Rev. J 11 5.2.1 Seek time 5.2.2 Format command execution time (minutes) [1] 5.2.3 Generalized performance characteristics Sustainable disc transfer rate: SCSI interface data transfer rate (asynchronous): Synchronous transfer rate Sector Sizes: Default 512 byte user...
Page 18 - Cache operation; Refer to the; Case A; Drive transfers the requested logical blocks to the initiator.; Case B
12 Cheetah 15K.5 SCSI Product Manual, Rev. J 5.3 Start/stop time After DC power at nominal voltage has been applied, the drive becomes ready within 20 seconds if the Motor Start Option is disabled (i.e., the motor starts as soon as the power has been applied). If a recoverable error condition is det...
Page 19 - Caching write data; Tables 10, 11 and 12 show the mode default settings for the drive.; Prefetch operation
Cheetah 15K.5 SCSI Product Manual, Rev. J 13 Each cache segment is actually a self-contained circular buffer whose length is an integer number of logical blocks. The drive dynamically creates and removes segments based on the workload. The wrap-around capa-bility of the individual segments greatly e...
Page 20 - Reliability specifications; Error rates; Recoverable Errors
14 Cheetah 15K.5 SCSI Product Manual, Rev. J 6.0 Reliability specifications The following reliability specifications assume correct host/drive operational interface, including all interface timings, power supply voltages, environmental requirements and drive mounting constraints (see Section 9.4). N...
Page 21 - Seek errors; seeks. Unrecoverable seek errors; Reliability and service; • 250 average on/off cycles per year; Preventive maintenance; No routine scheduled preventive maintenance shall be required.
Cheetah 15K.5 SCSI Product Manual, Rev. J 15 6.1.3 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 see...
Page 22 - Hot plugging Cheetah 15K.5 SCSI disc drives; Case 1 - All bus devices powered off during removal or insertion
16 Cheetah 15K.5 SCSI Product Manual, Rev. J 6.2.3 Hot plugging Cheetah 15K.5 SCSI disc drives The ANSI SPI-4 document defines the physical requirements for removal and insertion of SCSI devices on the SCSI bus. Four cases are addressed. The cases are differentiated by the state of the SCSI bus when...
Page 23 - 2 milliseconds
Cheetah 15K.5 SCSI Product Manual, Rev. J 17 Controlling S.M.A.R.T. The operating mode of S.M.A.R.T. is controlled by the DEXCPT bit and the PERF bit of the “Informational Exceptions Control Mode Page” (1Ch). The DEXCPT bit is used to enable or disable the S.M.A.R.T. process. Setting the DEXCPT bit ...
Page 24 - Thermal monitor; There are two test coverage options implemented in DST:; Parameter Code; Primary Temperature
18 Cheetah 15K.5 SCSI Product Manual, Rev. J zero) whenever the error rate is acceptable. This counter is referred to as the Failure History Counter. There is a separate Failure History Counter for each attribute. Should the counter continually be incremented such that it reaches the predictive thre...
Page 25 - SCSI Commands Reference Manual; Short and extended tests
Cheetah 15K.5 SCSI Product Manual, Rev. J 19 6.2.6.1 DST Failure Definition The drive will present a “diagnostic failed” condition through the self-tests results value of the diagnostic log page if a functional failure is encountered during DST. The channel and servo parameters are not modified to t...
Page 26 - Log page entries; The Self-Test Results Value field is set to Fh; Abort
20 Cheetah 15K.5 SCSI Product Manual, Rev. J Short test (Function Code: 001b) The purpose of the short test is to provide a time-limited test that tests as much of the drive as possible within 120 seconds. The short test does not scan the entire media surface, but does some fundamental tests and sca...
Page 28 - Physical/electrical specifications; AC power requirements; Notes
22 Cheetah 15K.5 SCSI Product Manual, Rev. J 7.0 Physical/electrical specifications This section provides information relating to the physical and electrical characteristics of the Cheetah 15K.5 SCSI drive. 7.1 AC power requirements None. 7.2 DC power requirements The voltage and current requirement...
Page 30 - starting current must be available to each device.; Conducted noise immunity
24 Cheetah 15K.5 SCSI Product Manual, Rev. J starting current must be available to each device. 4. Parameters, other than spindle start, are measured after a 10-minute warm up. 5. No terminator power. 7.2.1 Conducted noise immunity Noise is specified as a periodic and random distribution of frequenc...
Page 32 - Power dissipation; Random 8 Block Reads
26 Cheetah 15K.5 SCSI Product Manual, Rev. J 7.3 Power dissipation ST3300655LW/ST3300655LC For drives using low voltage differential interface circuits, typical power dissipation under idle conditions is 13.1 watts (44.70 BTUs per hour). To obtain operating power for typical random read operations, ...
Page 35 - Environmental limits; Temperature; Figure 6. Locations of the HDA temperature check point; Relative humidity; The values below assume that no condensation on the drive occurs.; Check Point
Cheetah 15K.5 SCSI Product Manual, Rev. J 29 7.4 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). Maximu...
Page 36 - b. Operating—abnormal
30 Cheetah 15K.5 SCSI Product Manual, Rev. J b. Non-operating –1,000 to +40,000 feet (–305 to +12,210 meters) 7.4.4 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 shoc...
Page 37 - Figure 7. Recommended mounting
Cheetah 15K.5 SCSI Product Manual, Rev. J 31 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. Figure 7. Recommended mounting...
Page 38 - Vibration; Operating normal translational random flat profile:; Air cleanliness
32 Cheetah 15K.5 SCSI Product Manual, Rev. J 7.4.4.2 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 ...
Page 39 - Mechanical specifications; Figure 8. LW mounting configuration dimensions
Cheetah 15K.5 SCSI Product Manual, Rev. J 33 7.4.7 Acoustics Sound power during idle mode shall be 3.7 bels typical when measured to ISO 7779 specification. Sound power while operating shall be 4.3 bels typical when measured to ISO 7779 specification. There will not be any discrete tones more than 1...
Page 40 - Figure 9. LC mounting configuration dimensions
34 Cheetah 15K.5 SCSI Product Manual, Rev. J Figure 9. LC mounting configuration dimensions J H L B A S K [1] M C R REF F [1] D E P 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 i...
Page 41 - Defect and error management; Drive internal defects; Drive error recovery procedures; SCSI Interface Product Manual.
Cheetah 15K.5 SCSI Product Manual, Rev. J 35 8.0 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...
Page 42 - Read and write retry count maximum recovery times [1]
36 Cheetah 15K.5 SCSI Product Manual, Rev. J Table 6 equates the Read and Write Retry Count with the maximum possible recovery time for read and write recovery of individual LBAs. The times given do not include time taken to perform reallocations, if reallocations are performed. Reallocations are pe...
Page 43 - SCSI systems errors; SCSI Interface; Background Media Scan
Cheetah 15K.5 SCSI Product Manual, Rev. J 37 8.3 SCSI systems errors Information on the reporting of operational errors or faults across the interface is given in the SCSI Interface Product Manual . Message Protocol System is described in the SCSI Interface Product Manual . Several of the messages a...
Page 45 - Installation; Configure drive options; because ID 7 is the highest priority on both 8 and 16 bit data buses.; Formatting; Drive ID/option select header
Cheetah 15K.5 SCSI Product Manual, Rev. J 39 9.0 Installation Note. These drives are designed to be used only on single-ended (SE) or low voltage differential (LVD) busses. Do not install these drives on a high voltage differential (HVD) bus. The first thing to do when installing a drive is to set t...
Page 47 - ” means as standard OEM units are configured with a jumper; default; Voltage supplied by the drive.
Cheetah 15K.5 SCSI Product Manual, Rev. J 41 Figure 11. J6 option select header (on LW models only) 9.1.1 Notes for Figures 10 and 11. [1] Notes explaining the functions of the various jumpers on J5 and J6 jumper header connectors are given here and in Section 9.1.2. The term “ default ” means as st...
Page 51 - Interface requirements; SCSI Interface Manual and the SCSI; SCSI interface messages supported; SCSI messages supported by Cheetah 15K.5 SCSI family drives; Message name
Cheetah 15K.5 SCSI Product Manual, Rev. J 45 10.0 Interface requirements This section partially describes the interface requirements as implemented on the drives. 10.1 General description This section describes in essentially general terms the interface requirements supported by the Cheetah 15K.5 SC...
Page 52 - SCSI Interface Product Manual; SCSI interface commands supported; Commands supported by Cheetah 15K.5 SCSI family drive; Command name
46 Cheetah 15K.5 SCSI Product Manual, Rev. J Notes. [1] Extended messages (see the SCSI Interface Product Manual ). [2] Supports all options except qas_req and iu_req. 10.3 SCSI interface commands supported Table 8 following lists the SCSI interface commands that are supported by the drive. OEM stan...
Page 53 - Commands supported by Cheetah 15K.5 SCSI family drive (Continued)
Cheetah 15K.5 SCSI Product Manual, Rev. J 47 Lock-unlock cache 36h N Log Select 4Ch Y PCR bit Y DU bit N DS bit Y TSD bit Y ETC bit N TMC bit N LP bit N Log Sense 4Dh Y Application Client Log page (0Fh) Y Background Medium Scan page (15h) Y Buffer Over-run/Under-run page (01h) N Cache Statistics pag...
Page 56 - Inquiry Vital Product data; Cheetah 15K.5 SCSI family drive Standard Inquiry data; Bytes
50 Cheetah 15K.5 SCSI Product Manual, Rev. J Table 9 lists the Standard Inquiry command data that the drive should return to the initiator per the format given in the SCSI Interface Product Manual, part number 100293069, Inquiry command section. [ ] 1 03 means SCSI-3 (Ultra160) implemented. Note. Se...
Page 57 - Mode Sense data
Cheetah 15K.5 SCSI Product Manual, Rev. J 51 10.3.2 Mode Sense data The Mode Sense command provides a means for the drive to report its operating parameters to the initiator. The drive maintains four sets of Mode parameters, Default values, Saved values, Current values and Change-able values. Defaul...
Page 61 - SCSI bus conditions and miscellaneous features supported; SCSI bus conditions and other miscellaneous features; Supported
Cheetah 15K.5 SCSI Product Manual, Rev. J 55 10.4 SCSI bus conditions and miscellaneous features supported Asynchronous SCSI bus conditions supported by the drive are listed below. These conditions cause the SCSI device to perform certain actions and can alter the SCSI bus phase sequence. Other misc...
Page 62 - Synchronous data transfer; Parallel SCSI Interface; Synchronous data transfer periods supported; Physical interface
56 Cheetah 15K.5 SCSI Product Manual, Rev. J 10.5 Synchronous data transfer The data transfer period to be used by the drive and the initiator is established by an exchange of messages during the Message Phase of operation. See the section on message protocol in the Parallel SCSI Interface Manual an...
Page 63 - DC cable and connector; Type of cable; Connector
Cheetah 15K.5 SCSI Product Manual, Rev. J 57 10.6.1 DC cable and connector LW model drives receive DC power through a 4-pin connector (see Figure 15 for pin assignment) mounted at the rear of the main PCBA. Recommended part numbers of the mating connector are listed below, but equiva-lent parts may ...
Page 64 - SCSI interface physical description; ) on the device. These termination circuits
58 Cheetah 15K.5 SCSI Product Manual, Rev. J Figure 14. LC model drive physical interface (80-pin J1 SCSI I/O connector) 10.6.2 SCSI interface physical description Cheetah 15K.5 SCSI drives support the physical interface requirements of the Ultra320 SCSI Parallel Inter-face-4 (SPI-4), and operate co...
Page 65 - strongly; LC Models; drive models
Cheetah 15K.5 SCSI Product Manual, Rev. J 59 Table 16 shows the interface transfer rates supported by the various drive models defined in this manual. 10.6.3 SCSI interface cable requirements The characteristics of cables used to connect parallel interface drives are discussed in the ANSI standards ...
Page 66 - Mating connectors for LW model drives; Recommended mating flat cable connector part numbers are:; Mating connectors for LC model drives; Power connector 4 circuit housing
60 Cheetah 15K.5 SCSI Product Manual, Rev. J 10.6.4.1 Mating connectors for LW model drives The nonshielded cable connector shall be a 68 conductor connector consisting of two rows of 34 male contacts with adjacent contacts 0.050 inch (1.27 mm) apart. Recommended mating flat cable connector part num...
Page 67 - Recommended mating 80-position PCBA mount connectors:; Right-angle to PCBA connectors; Last drive on the daisy chain.
Cheetah 15K.5 SCSI Product Manual, Rev. J 61 Recommended mating 80-position PCBA mount connectors: Right-angle to PCBA connectors Seagate P/N: 77678559Amp US P/N: 2-557101-1Amp Japan P/N: 5-175474-9 For additional information call Amp FAX service at 1-800-522-6752. [1] Closed end type 68-pin connect...
Page 74 - All other signals should be connected as shown.; Electrical description; Multimode—SE and LVD alternatives
68 Cheetah 15K.5 SCSI Product Manual, Rev. J Notes [ ] for Tables 17 through 20. [1] See Section 10.6.4.1 for detailed electrical characteristics of these signals. [2] The conductor number refers to the conductor position when using 0.025-inch (0.635 mm) centerline flat ribbon cable. Other cables ty...
Page 75 - LVD Input characteristics; General cable characteristics; Transmission line impedance
Cheetah 15K.5 SCSI Product Manual, Rev. J 69 LVD Input characteristics Each differential signal received by LVD interface receiver circuits shall have the following input characteristics when measured at the disc drive connector: Steady state Low level input differential voltage = 0.030 V = < V i...
Page 77 - LW drives
Cheetah 15K.5 SCSI Product Manual, Rev. J 71 10.8 Terminator requirements Caution: These drives do not have onboard internal terminators. The user, systems integrator or host equip-ment manufacturer must provide a terminator arrangement external to the drive when termination is required. For LW driv...
Page 78 - Disc drive SCSI timing; Description
72 Cheetah 15K.5 SCSI Product Manual, Rev. J 10.10 Disc drive SCSI timing Table 24: Disc drive SCSI timing These values are not current Cheetah 15K.5 SCSI values, but are listed for information only. Description Waveformsymbol [1] Waveformtable [1] Typical timing Target Select Time (no Arbitration) ...
Page 80 - Drive activity LED; The following table provides drive activity LED status.; Drive activity LED status
74 Cheetah 15K.5 SCSI Product Manual, Rev. J 10.11 Drive activity LED The following table provides drive activity LED status. Table 25: Drive activity LED status Spindle status Command status LED status Spinning up with DC power applied N/A On until spinup is complete Spun down Start Unit On while p...
Page 81 - Index; Symbols
Cheetah 15K.5 SCSI Product Manual, Rev. J 75 Index Symbols +5 and +12 volt supplies 23 Numerics 68-conductor connector 60 68-pin connector 61 80 conductor connector 60 80 conductor interface 60 80-pin connector option 59 80-pin I/O connector 66 , 67 A AC power 22 access time 11 accessories 9 acousti...
Page 84 - See also
78 Cheetah 15K.5 SCSI Product Manual, Rev. J power supply voltage 14 power-carrying conductor 60 power-on 39 , 68 power-on reset 51 power-up 24 , 42 prefetch 12 prefetch (read look-ahead) 12 prefetch mode 12 prefetch operation 12 prefetch segmented cache control 12 preventive maintenance 14 , 15 pro...
