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Product Manual
Cheetah 15K.6 FC
ST3450856FC
ST3300656FC
ST3146356FC
100465943
Rev. A
October 2007
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©2007, Seagate Technology LLC All rights reserved. Publication number: 100465943, Rev. A October 2007 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 trademarks or reg- istered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/ or other countries. All other trademarks or registered trademarks are the property of
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Contents 1.0 Scope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Applicable standards and reference documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1.1 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . .
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6.4.2 Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.4.3 Effective altitude (sea level) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.4.4 Shock and vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.4.5 Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 6.4.6 Air
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9.6 Signal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 9.6.1 TTL input characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 9.6.2 LED driver signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 9.6.3 FC Differential output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 9.
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iv Cheetah 15K.6 FC Product Manual, Rev. A
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List of Figures Figure 1. Typical ST3300656FC current profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 2. Typical ST3146356FC current profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 3. ST3450856FC DC current and power vs. input/output operations per second at 4 Gbit . . . . 29 Figure 4. ST3300656FC DC current and power vs. input/output operations per second at 4 Gbit . . . . 30 Figure 5.
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1.0 Scope ® ® This manual describes Seagate Technology LLC, Cheetah 15K.6 FC (Fibre Channel) disc drives. Cheetah 15K.6 FC drives support the Fibre Channel Arbitrated Loop and SCSI Fibre Channel Protocol specifi- cations 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. From this point on in this product manual, the reference to Ch
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2 Cheetah 15K.6 FC Product Manual, Rev. A
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2.0 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 achieve opti- mum 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 regu- lation. In p
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2.1.2 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 sys- tem represents the most popular characteristics for test platforms. The system configurations include: � Typical current use microprocessor � Keyboard � Monitor/display � Printer � Mouse Although the test system with this Seagate model complies wit
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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 restricted substances are not utilized in our manufacturing operations, labora- tory analytical validation testing, and an internal auditing process to ensure that all standard operating procedures are complied with. 2.3 Reference documents ANSI
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6 Cheetah 15K.6 FC Product Manual, Rev. A
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3.0 General description Cheetah 15K.6 FC drives provide high performance, high capacity data storage for a variety of systems includ- ing engineering workstations, network servers, mainframes, and supercomputers. Cheetah 15K.6 FC drives support 4-Gbit Fibre Channel. Cheetah 15K.6 FC drives support the Fibre Channel Arbitrated Loop (FC-AL) and SCSI Fibre Channel Proto- col as described in the ANSI specifications, this document, and the Fibre Channel Interface Manual which describes the general
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3.1 Standard features Cheetah 15K.6 FC drives have the following standard features: � Perpendicular recording technology � 4-Gbit Fibre Channel interface � Integrated dual port FC-AL controller � Concurrent dual port transfers � Support for FC arbitrated loop, private and public attachment � Differential copper FC drivers and receivers � Downloadable firmware using the FC-AL interface � Supports SCSI enclosure services via interface connector � 128-deep task set (queue) � Supports up to 32 initi
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3.3 Performance � Programmable multi-segmentable cache buffer � 800 Mbytes/sec maximum instantaneous data transfers per port � 15k RPM spindle; average latency = 2.0 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 0.55% � Increased LSI circuitry integration � Self-Monitoring Analysis and Reporting Technol
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� Single-unit shipping pack. The drive is normally shipped in bulk packaging to provide maximum protection against transit damage. Units shipped individually require additional protection as provided by the single unit shipping pack. Users planning single unit distribution should specify this option. � The Safety and Regulatory Agency Specifications, part number 75789512, is usually included with each standard OEM drive shipped, but extra copies may be ordered. 3.7 User-installed accessories
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4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Cheetah 15K.6 FC drives. 4.1 Internal drive characteristics ST3450856FC ST3300656FC ST3146356FC Drive capacity* 450 300 146 Gbytes (formatted, rounded off value) Read/write data heads 8 6 3 Tracks per inch 150,000 150,000 150,000 TPI Peak bits per inch 1,100k 1,100k 1,100k BPI 2 Areal density 165 165 165 Gbits/inch Internal data rate 1.95 1.95 1.95 Gbits/se
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4.2.2 Format command execution time (minutes) ST3450856FC ST3300656FC ST3146356FC 176 144 100 Maximum (with verify) 88 72 50 Maximum (without verify) 4.2.3 General performance characteristics Sustainable disc transfer rate*: Minimum 112 Mbytes/sec (typical) Maximum 171 Mbytes/sec (typical) Fibre Channel Interface maximum instantaneous transfer rate 800 Mbytes/sec* per port Logical block sizes Default is 512-byte data blocks Sector sizes variable to 512, 520, 524 and 528 bytes. Read/write co
