Page 3 - Product Manual, Volume 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cheetah 73LP Family: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST373405LW/LWV/LC/LCV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 4 - © 2002 Seagate Technology LLC All rights reserved
© 2002 Seagate Technology LLC All rights reserved Publication number: 100109943, Rev. E May 2002 Seagate, Seagate Technology, and the Seagate logo are registered trademarks of Seagate Technology LLC. Cheetah, SeaFAX, SeaFONE, SeaBOARD, and SeaTDD are either registered trademarks or trademarks ofSeag...
Page 5 - Revision status summary sheet; Revision
Revision status summary sheet Notice. Product Manual 100109943 is Volume 1 of a two volume document with the SCSI Interface informationin the SCSI Interface Product Manual, part number 75789509. If you need the SCSI Interface information, order the SCSI Interface Product Manual, part number75789509....
Page 7 - Contents
Cheetah 73LP Product Manual, Rev. E v Contents 1.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Applicable standards and reference documentation. . . . . . . . . . . . . . . . . . . . ....
Page 9 - vii; List of Figures
Cheetah 73LP Product Manual, Rev. E vii List of Figures Figure 1. Cheetah 73LP family drive (ST373405LW shown) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. Cheetah 73LP family drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 11 - Scope; This manual describes Seagate Technology; SCSI Interface; families of Seagate drives.
Cheetah 73LP Product Manual, Rev. E 1 1.0 Scope This manual describes Seagate Technology ® LLC, Cheetah ® 73LP disc drives. Cheetah 73LP drives support the small computer system interface (SCSI) as described in the ANSI SPI-3(SCSI Parallel Interface-3) interface specification to the extent described...
Page 13 - Applicable standards and reference documentation; Standards
Cheetah 73LP Product Manual, Rev. E 3 2.0 Applicable standards and reference documentation The drive has been developed as a system peripheral to the highest standards of design and construction. Thedrive depends upon its host equipment to provide adequate power and environment in order to achieve o...
Page 14 - ANSI small computer system interface (SCSI) document numbers:
4 Cheetah 73LP Product Manual, Rev. E Australian C-Tick If this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZS3548 1995and meets the Electromagnetic Compatibility (EMC) Framework requirements of Australia’s Spectrum Man-agement Agency (SMA). Korean MIC If thi...
Page 15 - General description; Drive model number vs. differentiating features; SCSI Interface Product Manual; Model number
Cheetah 73LP Product Manual, Rev. E 5 3.0 General description Cheetah 73LP drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood(PRML) read channel electronics, embedded servo technology, and a wide Ultra160 SCSI interface to providehigh performance, high capacity da...
Page 16 - Cheetah 73LP family drive
6 Cheetah 73LP Product Manual, Rev. E A high-performance actuator assembly with a low-iner tia, balanced, patented, straight-arm design providesexcellent performance with minimal power dissipation. Figure 2. Cheetah 73LP family drive
Page 17 - Standard features; The Cheetah 73LP family has the following standard features:; Media characteristics
Cheetah 73LP Product Manual, Rev. E 7 3.1 Standard features The Cheetah 73LP family has the following standard features: • Integrated Ultra/Ultra2/Ultra3 SCSI controller• Multimode SCSI drivers and receivers—single-ended (SE) and low voltage differential (LVD)• 16-bit I/O data bus• Asynchronous and ...
Page 18 - OEM Standard drives are shipped with the; • The; Cheetah 73LP Installation Guide; , part number 100109946, is usually included with each standard OEM
8 Cheetah 73LP Product Manual, Rev. E 3.5 Unformatted and formatted capacities Formatted capacity depends on the number of spare reallocation sectors reserved and the number of bytes persector. The following table shows the standard OEM model capacities: Notes. [1] Sector size selectable at format t...
Page 19 - Performance characteristics; Internal drive characteristics (transparent to user); Drive level
Cheetah 73LP Product Manual, Rev. E 9 4.0 Performance characteristics 4.1 Internal drive characteristics (transparent to user) 4.2 SCSI performance characteristics (visible to user) The values given in Section 4.2.1 apply to all models of the Cheetah 73LP family unless otherwise specified.Refer to S...
Page 22 - Tables 7 and 8 show Mode default settings for the drives.; Prefetch operation
12 Cheetah 73LP Product Manual, Rev. E that was written there at the beginning of the operation. However, the drive does not overwrite data that has notyet been written to the medium. If write caching is enabled (WCE=1), then the drive may return GOOD status on a write command after thedata has been...
Page 23 - Reliability specifications; Error rates
Cheetah 73LP Product Manual, Rev. E 13 5.0 Reliability specifications The following reliability specifications assume correct host/drive operational interface, including all interfacetimings, power supply voltages, environmental requirements and drive mounting constraints (see Section 8.4). Note. [1...
Page 24 - The following expression defines MTBF:; Preventive maintenance; No routine scheduled preventive maintenance is required.; Service life; Number of drive failures in the period
14 Cheetah 73LP Product Manual, Rev. E error (15h) is reported with a Medium error (3h) or Hardware error (4h) reported in the Sense Key. This is anunrecoverable seek error. Unrecoverable seek errors are classified as failures for MTBF calculations. Refer tothe SCSI Interface Product Manual, part nu...
Page 25 - Hot plugging Cheetah 73LP disc drives; Case 1 - All bus devices powered off during removal or insertion
Cheetah 73LP Product Manual, Rev. E 15 5.2.6 Hot plugging Cheetah 73LP disc drives The ANSI SPI-3 (T10/1302D) document defines the physical requirements for removal and insertion of SCSIdevices on the SCSI bus. Four cases are addressed. The cases are differentiated by the state of the SCSI buswhen t...
Page 26 - There are two test coverage options implemented in DST:; Maximum processing delay; 0 milliseconds
16 Cheetah 73LP Product Manual, Rev. E You can measure off-line attributes and force the drive to save the data by using the Rezero Unit command.Forcing S.M.A.R.T. resets the timer so that the next scheduled interrupt is in two hours. You can interrogate the drive through the host to determine the t...
Page 27 - DST Failure Definition; The following conditions are considered DST failure conditions:; Implementation
Cheetah 73LP Product Manual, Rev. E 17 The most thorough option is the extended test that performs various tests on the drive and scans every logicalblock address (LBA) of the drive. The short test is time-restricted and limited in length—it does not scan theentire media surface, but does some funda...
Page 28 - Short and extended tests; DST has two testing options:; Log page entries; The Self-Test Results Value field is set to Fh; Abort
18 Cheetah 73LP Product Manual, Rev. E 5.2.8.2.3 Short and extended tests DST has two testing options: 1. short 2. extended These testing options are described in the following two subsections. Each test consists of three segments: an electrical test segment, a servo test segment, and a read/verify ...
Page 31 - Physical/electrical specifications; AC power requirements
Cheetah 73LP Product Manual, Rev. E 21 6.0 Physical/electrical specifications This section provides information relating to the physical and electrical characteristics of the Cheetah 73LPdrive. 6.1 AC power requirements None. 6.2 DC power requirements The voltage and current requirements for a singl...
Page 32 - Power is applied to the drive.
22 Cheetah 73LP Product Manual, Rev. E 6.2.1 Conducted noise immunity Noise is specified as a periodic and random distribution of frequencies covering a band from DC to 10 MHz.Maximum allowed noise values given below are peak to peak measurements and apply at the drive power con-nector. 6.2.2 Power ...
Page 35 - Power dissipation; Amperes
Cheetah 73LP Product Manual, Rev. E 25 6.3 Power dissipation ST373405 For drives using single-ended interface circuits, typical power dissipation under idle conditions is 9.9 watts(33.8 BTUs per hour). For drives using low voltage differential interface circuits, typical power dissipation under idle...
Page 37 - Location of the HDA Temperature check point; Relative humidity; The values below assume that no condensation on the drive occurs.; Check Point
Cheetah 73LP Product Manual, Rev. E 27 6.4 Environmental limits Temperature and humidity values experienced by the drive must be such that condensation does not occur onany drive part. Altitude and atmospheric pressure specifications are referenced to a standard day at 58.7°F(14.8°C). Maximum wet bu...
Page 38 - b. Operating—abnormal
28 Cheetah 73LP Product Manual, Rev. E b. Non-operating –1,000 to +40,000 feet (–305 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 isinstalled in an enclosure to which the stated shock and/o...
Page 39 - Recommended mounting
Cheetah 73LP Product Manual, Rev. E 29 Figure 12. Recommended mounting Z Y X Z Y X
Page 40 - Vibration; Operating normal translational random flat profile; Air cleanliness
30 Cheetah 73LP Product Manual, Rev. E 6.4.4.2 Vibration a. Operating - normal The drive as installed for normal operation, shall comply with the complete specified performance whilesubjected to continuous vibration not exceeding 5-400 Hz @ 0.5 G (zero to peak) Vibration may be applied in the X, Y, ...
Page 41 - Mechanical specifications; LW and LWV mounting configuration dimensions
Cheetah 73LP Product Manual, Rev. E 31 6.5 Mechanical specifications The following nominal dimensions are exclusive of the decorative front panel accessory. However, dimensionsof the front panel are shown in figure below. Refer to Figures 13 and 14 for detailed mounting configurationdimensions. See ...
Page 42 - LC and LCV mounting configuration dimensions
32 Cheetah 73LP Product Manual, Rev. E Figure 14. LC and LCV mounting configuration dimensions J H L B A S K [1] M C R 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 is...
Page 43 - Defect and error management; Drive internal defects; describes the Mode Select/Mode Sense Error Recovery parameters.
Cheetah 73LP Product Manual, Rev. E 33 7.0 Defect and error management The drive, as delivered, complies with this specification. The read error rate and specified storage capacity arenot dependent upon use of defect management routines by the host (initiator). Defect and error management in the SCS...
Page 44 - These values are subject to change.; SCSI systems errors; part number 77738479. Message Protocol System is described in the; SCSI Interface Product; Status returned by the drive to the Initiator is described in the; Read and write retry count maximum recovery times [1]
34 Cheetah 73LP Product Manual, Rev. E [1] These values are subject to change. Setting these retry counts to a value below the default setting could result in an increased unrecoverederror rate which may exceed the value given in this product manual. A setting of zero (0) will result in thedrive not...
Page 45 - Installation; Configure drive options; because ID 7 is the highest priority on both 8 and 16 bit data buses.; Formatting
Cheetah 73LP Product Manual, Rev. E 35 8.0 Installation Note. These drives are designed to be used only on single-ended (SE) or low voltage differential (LVD) bus-ses. Do not install these drives on a high voltage differential (HVD) bus. The first thing to do when installing a drive is to set the dr...
Page 46 - J6 jumper header; Jumper Plug; Drive; Shipped with cover installed.
36 Cheetah 73LP Product Manual, Rev. E Figure 15. J6 jumper header SCSI ID = 0 (default) Jumper Plug (enlarged toshow detail) J6 Drive Front Pin 1 Reserved A 2 A 1 A 0 [4] [1] Shipped with cover installed. Do not install jumpers; retain cover . 11 9 7 5 3 1 Drive Activity LED [4] [6] Dashed area is ...
Page 48 - J2 option select header; ” means as standard OEM units are configured with a; default; Voltage supplied by the drive.
38 Cheetah 73LP Product Manual, Rev. E Figure 17. J2 option select header 8.1.1 Notes for Figures 15, 16, and 17. [1] Notes explaining the functions of the various jumpers on jumper header connectors J2, J5, and J6 aregiven here and in Section 8.1.2. The term “ default ” means as standard OEM units ...
Page 49 - Jumper function description
Cheetah 73LP Product Manual, Rev. E 39 8.1.2 Function description J2jumperinstallation Jumper function description SE On Forces drive to use single-ended I/O drivers/receivers only. Off Drive can operate on the interface in low voltage differential mode or single-ended, depend-ing on the voltage sta...
Page 53 - Interface requirements; SCSI messages supported by Cheetah 73LP family drives
Cheetah 73LP Product Manual, Rev. E 43 9.0 Interface requirements This section partially describes the interface requirements as implemented on the drives. 9.1 General description This section describes in essentially general terms the interface requirements supported by the Cheetah 73LP.No attempt ...
Page 54 - SCSI interface commands supported; Commands supported by Cheetah 73LP family drive
44 Cheetah 73LP Product Manual, Rev. E 9.3 SCSI interface commands supported Table 5 following lists the SCSI interface commands that are supported in the SCSI-2, and SCSI-3 modes ofthe drive. OEM standard drives are shipped set to operate in SCSI-2/SCSI-3 mode. Table 5: Commands supported by Cheeta...
Page 57 - SCSI Interface Product Manual,; Bytes 18 through 26 reflect model of drive as listed below:; Inquiry Vital Product data; part number; VENDOR ID
Cheetah 73LP Product Manual, Rev. E 47 Table 6 lists the Standard Inquiry command data that the drive should return to the initiator per the format givenin the SCSI Interface Product Manual, part number 75789509, Inquiry command section. [ ] 1 03 means SCSI-3 (Ultra160) implemented. [ ] 2 The drive ...
Page 58 - Mode Sense data
48 Cheetah 73LP Product Manual, Rev. E 9.3.2 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. Default values...
Page 59 - Bytes
Cheetah 73LP Product Manual, Rev. E 49 The following tables list the values of the data bytes returned by the drive in response to the Mode Sense com-mand pages for SCSI-2/SCSI-3 implementation (see the SCSI Interface Product Manual , part number 75789509). Definitions: DEF = Default value. Standard...
Page 61 - SCSI bus conditions and other miscellaneous features
Cheetah 73LP Product Manual, Rev. E 51 9.4 SCSI bus conditions and miscellaneous features supported Asynchronous SCSI bus conditions supported by the drive are listed below. These conditions cause the SCSIdevice to perform certain actions and can alter the SCSI bus phase sequence. Other miscellaneou...
Page 62 - Physical interface; Type of cable
52 Cheetah 73LP Product Manual, Rev. E 9.5 Synchronous data transfer 9.5.1 Synchronous data transfer periods supported Table 10 and Section 9.5.2 list Synchronous Data transfer periods supported by the drive. The data transferperiod to be used by the drive and the initiator is established by an exch...
Page 63 - Pin; PCB
Cheetah 73LP Product Manual, Rev. E 53 Figure 19. LW and LWV model drive physical interface (68-pin J1 SCSI I/O connector) Figure 20. LC and LCV model drive physical interface (80-pin J1 SCSI I/O connector) J5 Pin 1A 68 Pin SCSI I/O Connector Pin 1P J1-DC Power J6 J1 Pin 1 J1-DC Power Pin 1P2P3P4P P...
Page 64 - SCSI interface physical description; Interface transfer rates supported; SCSI interface cable requirements; Maximum transfer rate
54 Cheetah 73LP Product Manual, Rev. E 9.6.2 SCSI interface physical description Cheetah 73LP drives support the physical interface requirements of the SCSI-3 Parallel Interface-3 (SPI-3)standards and operate compatibly at the interface with devices that support earlier SCSI-2 and SCSI-3 stan-dards....
Page 65 - strongly; recommended. For Fast-80 operation, twisted pair cables are; required; Recommended mating flat cable connector part numbers are:; Mating connectors for LC and LCV model drives; Power connector 4 circuit housing
Cheetah 73LP Product Manual, Rev. E 55 • stub length (see Sections 6.4 and 6.5)• device spacing (see Sections 6.4 and 6.5) To minimize discontinuances and signal reflections, cables of different impedances should not be used in thesame bus. Implementations may require trade-offs in shielding effecti...
Page 67 - Recommended mating 80-position PCBA mount connectors:; Right-angle to PCBA connectors; Last drive on the daisy chain.
Cheetah 73LP Product Manual, Rev. E 57 Recommended mating 80-position PCBA mount connectors: Right-angle to PCBA connectors Seagate P/N: 77678559 Amp US P/N: 2-557101-1 Amp Japan P/N: 5-175474-9 For additional information call Amp FAX service at 1-800-522-6752. [1] Closed end type 68-pin connector u...
Page 68 - Nonshielded 68-pin SCSI device connector used on LW and LWV drives
58 Cheetah 73LP Product Manual, Rev. E Figure 22. Nonshielded 68-pin SCSI device connector used on LW and LWV drives .0787 (2.00) .519 (13.18) .315 (8.00) 3.650 (92.71) .840 ± .005 (21.34) .315 ± .010 (8.00) +.001–.002 dia .083(2.1)Trifurcated Pins(4 places) .085 (2.16) x 45 ° chamfer typ .20 (5.08)...
Page 69 - Nonshielded 80-pin SCSI “SCA-2” connector, used on LC and LCV drives
Cheetah 73LP Product Manual, Rev. E 59 Figure 23. Nonshielded 80-pin SCSI “SCA-2” connector, used on LC and LCV drives 7.00 (.276) 12.70 (.500) 2.15 ± 0.10 2 places 57.87 (2.278) –Y– 0.15 M Y M 0.15 M Y M 0–0.15+ .000– .006 [ [ 62.15 (2.447) ± 0.15 ( ± .005) Housing X X Contact 0.3 (.012) M Y M 1.27...
Page 75 - LVD input characteristics; Typical SE-LVD alternative transmitter receiver circuits; General cable characteristics; Cable characteristics for single-ended circuits
Cheetah 73LP Product Manual, Rev. E 65 LVD input characteristics Each differential signal received by LVD interface receiver circuits shall have the following input characteristicswhen measured at the disc drive connector: Steady state Low level input differential voltage = 0.030 V = < V in = <...
Page 76 - Cable description
66 Cheetah 73LP Product Manual, Rev. E Single-ended I/O pin assignments for LC models are shown in Table 14. The LC model does not require an I/Ocable. It is designed to connect directly to a backpanel connector. 9.7.1.3 Cables for low voltage differential drivers/receivers The SPI-3 specification f...
Page 78 - Disc drive SCSI timing
68 Cheetah 73LP Product Manual, Rev. E 9.10 Disc drive SCSI timing Table 19: Disc drive SCSI timing These values are not current Cheetah 73LP values, but are listed for information only. Description Waveformsymbol [1] Waveformtable [1] Typical timing Target Select Time (no Arbitration) T00 N/A <1...
Page 79 - Drive activity LED status; Spindle status; Description
Cheetah 73LP Product Manual, Rev. E 69 Notes. [1] See the SCSI Interface Product Manual, part number 75789509, Timing examples section. [2] Maximum SCSI asynchronous interface transfer rate is given in Section 4.2.3 of this manual. [3] Synchronous Transfer Period is determined by negotiations betwee...
Page 81 - Internet; hours daily by e-mail for your disc or tape questions.; or; Automated Services; SeaFONE; Presales Support; Technical Support
Cheetah 73LP Product Manual, Rev. E 71 10.0 Seagate Technology support services Online Services Internet www.seagate.com for information about Seagate products and services. Worldwide suppor t is available 24 hours daily by e-mail for your disc or tape questions. Presales Support: Disc: www.seagate....
Page 82 - USA/Canada/Latin America Support Services; Tape and Server Appliance:; Warranty Service; Memofix; European Support Services; *Authorized Service Centers
72 Cheetah 73LP Product Manual, Rev. E Customer Service (CSO) Warranty Service Seagate offers worldwide customer support for Seagate drives. Seagate direct OEM, Distribution and SystemIntegrator customers should contact their Seagate service center representative for warranty information.Other custo...
Page 83 - FAX Services—All European Countries; Africa/Middle East Support Services
Cheetah 73LP Product Manual, Rev. E 73 Spain 900-98 31 24 Sweden 0 207 90 073 Switzerland 0 800-83 84 11 Turkey 00 800-31 92 91 40 United Kingdom 0 800-783 5177 FAX Services—All European Countries Presales/Technical Support/Warranty Service 31-20-653-3513 Africa/Middle East Support Services For pres...
Page 85 - Index; Symbols
Cheetah 73LP Product Manual, Rev. E 75 Index Symbols +5 and +12 volt supplies 21 Numerics 68 conductor connector 55 68-pin connector 57 80 conductor connector 55 80 conductor interface 55 80 pin connector option 55 80 pin I/O connector 62 , 63 A AC power 21 ACA active 51 access time 9 accessories 8 ...
Page 87 - See
Cheetah 73LP Product Manual, Rev. E 77 HDA 5 , 40 , 41 head and disc assembly. See HDA heat removal 40 heat source 40 high level format 35 high voltage differential 51 host 12 , 33 , 39 , 46 , 54 , 57 host adapter 35 adapter/initiator 57 host backplane wiring 54 host equipment 41 , 55 DC power 55 ho...
Page 89 - See also
Cheetah 73LP Product Manual, Rev. E 79 messages 43 SCSI bus cable 35 SCSI bus condition 51 SCSI bus ID 64 SCSI bus phase sequence 51 SCSI command 33 SCSI I/O connector 53 SCSI ID 35 , 39 SCSI interface 10 , 13 , 54 SCSI interface cable 54 SCSI interface commands supported 44 SCSI interface connector...
