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                        Cheetah 15K.4 FC
ST3146954FC
ST373554FC
ST336854FC                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
                    
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                        Cheetah 15K.4 FC ST3146954FC ST373554FC ST336854FC                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
                    
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                        ©2005, 2006, Seagate Technology LLC All rights reserved  Publication number: 100366896, Rev. B  March 2006 Seagate, Seagate Technology, and the Seagate logo are registered trademarks of Seagate Technology LLC. SeaTools, SeaFONE, SeaBOARD, and SeaTDD are either registered  trademarks or trademarks of Seagate Technology LLC. Other product names are registered  trademarks or trademarks of their owners. Seagate reserves the right to change, without notice, product offerings or specifications. No  pa
                    
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                        Revision status summary sheet Revision Date Sheets Affected Rev. A 07/15/05 All. Rev. B (Draft 1) 03/17/06 Pages 25 and 26.                                                                                                                                                                                                                                                                                                                                                                                         
                    
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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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                        6.4.1 Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6.4.2 Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6.4.3 Effective altitude (sea level) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 6.4.4 Shock and vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 6.4.5 Air c
                    
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                        9.6.1 TTL input characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 9.6.2 LED driver signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 9.6.3 FC Differential output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 9.6.4 FC Differential input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 10.0 Seagate T
                    
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                        iv Cheetah 15K.4 FC Product Manual, Rev. B                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
                    
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                        List of Figures Figure 1. Cheetah 15K.4 FC family disc drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. Typical ST3146954FC drive, 2 Gbit, +12V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 3. Typical ST3146954FC drive, 2 Gbit, +5V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 4. Typical ST373554FC drive +12V current profile  . . . . . . . . . . . . . . . . . . . . . .
                    
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                        1.0 Scope ® ® This manual describes Seagate Technology LLC, Cheetah 15K.4 FC (Fibre Channel) disc drives. Cheetah 15K.4 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 77767496)  describes the general Fibre Channel Arbitrated Loop characteristics of this and other Seagate Fibre Channel  drives.   Figure 1. Cheetah 15K.4 FC family disc drive  Cheetah 15K.4 F
                    
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                        2 Cheetah 15K.4 FC Product Manual, Rev. B                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
                    
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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 • 3.5-inch floppy disc drive • Keyboard • Monitor/display • Printer • External modem •Mouse Although the tes
                    
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                        2.2 Reference documents Cheetah 15K.4 FC Installation Guide Seagate part number: 100366897 Fibre Channel Interface Manual Seagate part number: 77767496 ANSI Fibre Channel Documents  Project T11/1619-D      FC-FS-2 Fibre Channel - Framing and Signaling  Project T11/1506-D      FC-PI-2  Fibre Channel - PHYSICAL INTERFACES - 2  ANSI INCITS 332-1999    FC.AL-2  Arbitrated Loop 2                               ANSI INCITS 332-1999/AM1-2003     FC.AL-2  Arbitrated Loop 2 Amendment   ANSI INCITS 350-200
                    
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                        6 Cheetah 15K.4 FC Product Manual, Rev. B                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
                    
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                        3.0 General description Cheetah 15K.4 FC drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood  (PRML) read channel electronics, embedded servo technology, and a Fibre Channel interface to provide high  performance, high capacity data storage for a variety of systems including engineering workstations, network  servers, mainframes, and supercomputers. Cheetah 15K.4 FC drives also support 2-Gbit Fibre Channel which  can transfer data at up to 200 Mbytes per second
                    
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                        3.1 Standard features Cheetah 15K.4 FC drives have the following standard features: • 4-Gbit Fibre Channel interface. For 2 or 4 gigabit operation, the block size must be divisable by 8. • 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