SEAGATE ST3146855LC - Manuals

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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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 ...

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...

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...

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...

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...

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...

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, ...

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...

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...

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...

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 ...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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 ...

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...

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 ...

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...

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...

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...

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...

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...

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) ...

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...

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...

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...