Cheetah 15K.5 SCSI Product Manual
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... 27 ST3146855LC DC current and power vs. Figure 9. Figure 11. Figure 12. Figure 17. Figure 13. Figure 5. Figure 15. Figure 16. IOPS (LVD 29 Locations of Figures Figure 1. Typical ST3300655LW drive +5 ...drive physical interface (68-pin J1 SCSI I/O connector 59 LC model drive physical interface (80-pin J1 SCSI I/O connector 60 SCSI daisy-chain interface cabling for LW drives 63 Nonshielded 68-pin SCSI device connector used on LW drives 64 Nonshielded 80-pin SCSI SCA-2 connector used on LC drives 65 Typical SE-LVD alternative transmitter receiver circuits 71 Cheetah...
... 27 ST3146855LC DC current and power vs. Figure 9. Figure 11. Figure 12. Figure 17. Figure 13. Figure 5. Figure 15. Figure 16. IOPS (LVD 29 Locations of Figures Figure 1. Typical ST3300655LW drive +5 ...drive physical interface (68-pin J1 SCSI I/O connector 59 LC model drive physical interface (80-pin J1 SCSI I/O connector 60 SCSI daisy-chain interface cabling for LW drives 63 Nonshielded 68-pin SCSI device connector used on LW drives 64 Nonshielded 80-pin SCSI SCA-2 connector used on LC drives 65 Typical SE-LVD alternative transmitter receiver circuits 71 Cheetah...
Cheetah 15K.5 SCSI Product Manual
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...Cheetah 15K.5 SCSI Product Manual, Rev. differentiating features Model number ST3300655LW ST3146855LW ST373455LW ST3300655LC ST3146855LC ST373455LC Number of active heads 8 4 2 8 4 2 I/O circuit type [1] Single-ended (SE) and low voltage differential (LVD) Single-ended (SE) and low voltage differential (LVD) Number of I/O connector pins 68 80 [1] See Section 9.6 for a variety of the I/O circuit type. The drive... Manual, part number 100293068, which describe the general interface characteristics of Seagate SCSI drives. Never disassemble the HDA and do not attempt to service items in...
...Cheetah 15K.5 SCSI Product Manual, Rev. differentiating features Model number ST3300655LW ST3146855LW ST373455LW ST3300655LC ST3146855LC ST373455LC Number of active heads 8 4 2 8 4 2 I/O circuit type [1] Single-ended (SE) and low voltage differential (LVD) Single-ended (SE) and low voltage differential (LVD) Number of I/O connector pins 68 80 [1] See Section 9.6 for a variety of the I/O circuit type. The drive... Manual, part number 100293068, which describe the general interface characteristics of Seagate SCSI drives. Never disassemble the HDA and do not attempt to service items in...
Cheetah 15K.5 SCSI Product Manual
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...configured with a jumper on LC models does not have connector J5 or J6. OFF or ON underlined is installed; Cheetah 15K.5 SCSI Product Manual, Rev. Drive Front Jumper Plug (enlarged to SCSI Bus Parity Disable Delay Motor Start Enable Remote Motor Start Write Protect Force Single-ended... assignments for Figures 10 and 11. [1] Notes explaining the functions of the various jumpers on 80-pin J1 I/O connector. See tables 19 and 20, note 9. [3] Voltage supplied by the drive. [4] Dashed area is installed. The PCBA on those positions when shipped from factory. The term "default" means as...
...configured with a jumper on LC models does not have connector J5 or J6. OFF or ON underlined is installed; Cheetah 15K.5 SCSI Product Manual, Rev. Drive Front Jumper Plug (enlarged to SCSI Bus Parity Disable Delay Motor Start Enable Remote Motor Start Write Protect Force Single-ended... assignments for Figures 10 and 11. [1] Notes explaining the functions of the various jumpers on 80-pin J1 I/O connector. See tables 19 and 20, note 9. [3] Voltage supplied by the drive. [4] Dashed area is installed. The PCBA on those positions when shipped from factory. The term "default" means as...
Cheetah 15K.5 SCSI Product Manual
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... + 5V ret 4P + 5V J5 Pin 1A J1-DC Power J5 Pin 1A J1 Pin 1 68 Pin SCSI I /O connector. LW model drive physical interface (68-pin J1 SCSI I/O connector) Cheetah 15K.5 SCSI Product Manual, Rev. H 59 See Tables 19 and 20. 9.6.1 DC cable and connector LW model drives receive DC power through the 80-pin I /O Connector 4P 3P 2P 1P...
... + 5V ret 4P + 5V J5 Pin 1A J1-DC Power J5 Pin 1A J1 Pin 1 68 Pin SCSI I /O connector. LW model drive physical interface (68-pin J1 SCSI I/O connector) Cheetah 15K.5 SCSI Product Manual, Rev. H 59 See Tables 19 and 20. 9.6.1 DC cable and connector LW model drives receive DC power through the 80-pin I /O Connector 4P 3P 2P 1P...
Cheetah 15K.5 SCSI Product Manual
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... devices on a bus with other SCSI devices. LC model drives plug into the PCBA or bulkhead connectors. H 80-pin SCSI I /O connector) 9.6.2 SCSI interface physical description Cheetah 15K.5 SCSI drives support the physical interface requirements of drives plugged into PCBA or bulkhead connectors in the host. The drives typically operate on the bus. This bus must operate in...
... devices on a bus with other SCSI devices. LC model drives plug into the PCBA or bulkhead connectors. H 80-pin SCSI I /O connector) 9.6.2 SCSI interface physical description Cheetah 15K.5 SCSI drives support the physical interface requirements of drives plugged into PCBA or bulkhead connectors in the host. The drives typically operate on the bus. This bus must operate in...
Cheetah 15K.5 SCSI Product Manual
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...electromagnetic concepts presented in the same bus. LC Models The 80-pin connector option provided on LC models is especially important in the sections following. The cable characteristics that mate with connectors on drives that plug directly into backplane connector in this manual in shielding... discussed in detail in Section 6 of loads and spacing, transfer rates, and cost to achieve satisfactory system operation. Cheetah 15K.5 SCSI Product Manual, Rev. H 61 Proper impedance matching is intended for the different type connectors that must be considered ...
...electromagnetic concepts presented in the same bus. LC Models The 80-pin connector option provided on LC models is especially important in the sections following. The cable characteristics that mate with connectors on drives that plug directly into backplane connector in this manual in shielding... discussed in detail in Section 6 of loads and spacing, transfer rates, and cost to achieve satisfactory system operation. Cheetah 15K.5 SCSI Product Manual, Rev. H 61 Proper impedance matching is intended for the different type connectors that must be considered ...
Cheetah 15K.5 SCSI Product Manual
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...with adjacent contacts 0.050 inch (1.27 mm) apart. This type connector can only be used on the 80-conductor interface were not intended to the host equipment 80-pin disc drive interface connector(s) should be allowed, since the power-carrying conductors on cable ends. [1] Amp Model 88-...Figure 16). 9.6.4.2 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 this specification, visit the following web site: www.sffcommittee.org 62 Cheetah 15K.5 SCSI Product Manual, Rev. The ...
...with adjacent contacts 0.050 inch (1.27 mm) apart. This type connector can only be used on the 80-conductor interface were not intended to the host equipment 80-pin disc drive interface connector(s) should be allowed, since the power-carrying conductors on cable ends. [1] Amp Model 88-...Figure 16). 9.6.4.2 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 this specification, visit the following web site: www.sffcommittee.org 62 Cheetah 15K.5 SCSI Product Manual, Rev. The ...
Cheetah 15K.5 SCSI Product Manual
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...SCSI ID 0 [2] [1] Closed end type 68-pin connector used . Terminators enabled. [2] Open end type (in ANSI document T10/1365D (including host adapter/initiator). Figure 15. H 63 Recommended mating 80-position PCBA mount connectors: Straight-in connector Seagate P/N: 77678703 Amp US P/N: 2-557103-1 or 94-... need not be on the daisy chain. [7] Open-end type 68-pin connector used . "LW" Model Drive Terminator [7] [6] 2 through X SCSI devices [4] SCSI ID 7 [5] Pin 1 (check your adapter for LW drives Cheetah 15K.5 SCSI Product Manual, Rev. The cable length restriction limits the ...
...SCSI ID 0 [2] [1] Closed end type 68-pin connector used . Terminators enabled. [2] Open end type (in ANSI document T10/1365D (including host adapter/initiator). Figure 15. H 63 Recommended mating 80-position PCBA mount connectors: Straight-in connector Seagate P/N: 77678703 Amp US P/N: 2-557103-1 or 94-... need not be on the daisy chain. [7] Open-end type 68-pin connector used . "LW" Model Drive Terminator [7] [6] 2 through X SCSI devices [4] SCSI ID 7 [5] Pin 1 (check your adapter for LW drives Cheetah 15K.5 SCSI Product Manual, Rev. The cable length restriction limits the ...
Cheetah 15K.5 SCSI Product Manual
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CL of Datum Y Pin 1 62.15 +/- 0.15 (2.447 +/- 0.006) 0.15 (.0059) M Y M Housing X 12.70 (.500) End View 2.15 +/- 0.10 2 places Front View Insert mating I/O connector Top View Contact 0.50 (.020) 0.3 (.012) M YM Pin 1 1.27 (.05) Typ X CL of Datum Y Pin 40 Grounding Pins Pin 41 Pin 80 Figure 17. Nonshielded 80-pin SCSI SCA-2 connector used on LC drives Back View Cheetah 15K.5 SCSI Product Manual, Rev. H 65 7.00 (.276) Grounding Pins 57.87 +/- 0.2 (2.278 +/- .008) 0.15 (.0059) M Y M -Y-
CL of Datum Y Pin 1 62.15 +/- 0.15 (2.447 +/- 0.006) 0.15 (.0059) M Y M Housing X 12.70 (.500) End View 2.15 +/- 0.10 2 places Front View Insert mating I/O connector Top View Contact 0.50 (.020) 0.3 (.012) M YM Pin 1 1.27 (.05) Typ X CL of Datum Y Pin 40 Grounding Pins Pin 41 Pin 80 Figure 17. Nonshielded 80-pin SCSI SCA-2 connector used on LC drives Back View Cheetah 15K.5 SCSI Product Manual, Rev. H 65 7.00 (.276) Grounding Pins 57.87 +/- 0.2 (2.278 +/- .008) 0.15 (.0059) M Y M -Y-
Cheetah 15K.5 SCSI Product Manual
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A minus sign preceding a signal name indicates that signal is active low. Table 19: LC 80-pin single-ended (SE) I /O -REQ -C/D -SEL -MSG -RST -ACK -BSY -ATN -DBP -DB7 -DB6 -DB5 -DB4 -DB3 -DB2 -DB1 -...59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 Contact name[1] 12 V GND 12 V GND 12 V GND MATED 1 [12] NC [10] DIFFSNS [8] ... DLYD-START [6] [9] [12] SCSI ID (1) [7] [9] [12] SCSI ID (3) [7] [9] [12] Notes [ ]: See page following Table 20. 68 Cheetah 15K.5 SCSI Product Manual, Rev. Signal name [1] 12 V CHARGE 12 V 12 V 12 V NC [10] NC [10] -DB11 -DB10 -DB9 -DB8 -I /O connector...
A minus sign preceding a signal name indicates that signal is active low. Table 19: LC 80-pin single-ended (SE) I /O -REQ -C/D -SEL -MSG -RST -ACK -BSY -ATN -DBP -DB7 -DB6 -DB5 -DB4 -DB3 -DB2 -DB1 -...59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 Contact name[1] 12 V GND 12 V GND 12 V GND MATED 1 [12] NC [10] DIFFSNS [8] ... DLYD-START [6] [9] [12] SCSI ID (1) [7] [9] [12] SCSI ID (3) [7] [9] [12] Notes [ ]: See page following Table 20. 68 Cheetah 15K.5 SCSI Product Manual, Rev. Signal name [1] 12 V CHARGE 12 V 12 V 12 V NC [10] NC [10] -DB11 -DB10 -DB9 -DB8 -I /O connector...
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Cheetah 15K.5 SCSI Product Manual, Rev. Table 20: LC 80-pin single-ended (LVD) I /O +REQ +C/D +SEL +MSG +RST +ACK +BSY +ATN +DBP0 +DB7 +DB6 +DB5 +DB4 +DB3 +DB2 +DB1 +DB0 +DP1 +DB15 +DB14 +DB13 +DB12 MATED 2 5 V ... 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 Contact name[1] 12 V GND 12 V GND 12 V GND MATED 1 [12] NC [10] DIFFSNS [8] +DB11 +DB10 +DB9 +DB8 +I /O connector pin assignments [11] Note. A minus sign preceding a signal name indicates that signal is active low.
Cheetah 15K.5 SCSI Product Manual, Rev. Table 20: LC 80-pin single-ended (LVD) I /O +REQ +C/D +SEL +MSG +RST +ACK +BSY +ATN +DBP0 +DB7 +DB6 +DB5 +DB4 +DB3 +DB2 +DB1 +DB0 +DP1 +DB15 +DB14 +DB13 +DB12 MATED 2 5 V ... 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 Contact name[1] 12 V GND 12 V GND 12 V GND MATED 1 [12] NC [10] DIFFSNS [8] +DB11 +DB10 +DB9 +DB8 +I /O connector pin assignments [11] Note. A minus sign preceding a signal name indicates that signal is active low.
Cheetah 15K.5 SCSI Product Manual
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...32 V = < |Vs| = < 0.8 V (signal assertion/logic 1) 70 Cheetah 15K.5 SCSI Product Manual, Rev. All other means. 9.7 Electrical description Cheetah 15K.5 SCSI drives are multimode devices. See Section 8.1.1 notes. [10] "NC" means no connection. ...DB15, and -DBP1. Drive will not operate I /O circuits can operate as shown. [12] Pins 38, 39, 40, 44, 78, 79, and 80 are option select pins and are tied high...electrical characteristics of the I /O "DIFFSENS" line). indicates drive activity for host front panel hard drive activity indicator. [5] Asserted by host to detect the presence...
...32 V = < |Vs| = < 0.8 V (signal assertion/logic 1) 70 Cheetah 15K.5 SCSI Product Manual, Rev. All other means. 9.7 Electrical description Cheetah 15K.5 SCSI drives are multimode devices. See Section 8.1.1 notes. [10] "NC" means no connection. ...DB15, and -DBP1. Drive will not operate I /O circuits can operate as shown. [12] Pins 38, 39, 40, 44, 78, 79, and 80 are option select pins and are tied high...electrical characteristics of the I /O "DIFFSENS" line). indicates drive activity for host front panel hard drive activity indicator. [5] Asserted by host to detect the presence...
Cheetah 15K.5 SCSI Product Manual
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...cables with shorter sections of cable. H Table 22: Shielded round twisted-pair cables-into a multi-drive backplane Differential Cable impedance description , nominal Singleended impedance, nominal Singleended capacitance, maximum Time delay, nominal ... 12 meters minus the SCSI trace length of the backplane 28 AWG stranded 123 ohms 80 ohms 19 pF/ft 1.54 ns/ft 0.067 ohms/ft 12 meters minus the...ohms/ft 1.52 meters 3.04 meters (5.0 ft) (10.0 ft) 72 Cheetah 15K.5 SCSI Product Manual, Rev. Single-ended I /O pin assignments for LC models are shown in Table 23. The maximum SCSI bus...
...cables with shorter sections of cable. H Table 22: Shielded round twisted-pair cables-into a multi-drive backplane Differential Cable impedance description , nominal Singleended impedance, nominal Singleended capacitance, maximum Time delay, nominal ... 12 meters minus the SCSI trace length of the backplane 28 AWG stranded 123 ohms 80 ohms 19 pF/ft 1.54 ns/ft 0.067 ohms/ft 12 meters minus the...ohms/ft 1.52 meters 3.04 meters (5.0 ft) (10.0 ft) 72 Cheetah 15K.5 SCSI Product Manual, Rev. Single-ended I /O pin assignments for LC models are shown in Table 23. The maximum SCSI bus...
Cheetah 15K.5 SCSI Product Manual
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...onboard internal terminators. See Section 8.1 for this configuration. LC drives are devoted to the drive when termination is required. Cheetah 15K.5 SCSI Product Manual, Rev. 9.8 Terminator requirements Caution: These drives do not have the host adaptor or other device supply ...LW drives You can be purchased that show how to the external terminator. The user, systems integrator or host equipment manufacturer must provide a terminator arrangement external to terminator power. H 73 LC drives These drives cannot furnish terminator power because no conductors in the 80-pin ...
...onboard internal terminators. See Section 8.1 for this configuration. LC drives are devoted to the drive when termination is required. Cheetah 15K.5 SCSI Product Manual, Rev. 9.8 Terminator requirements Caution: These drives do not have the host adaptor or other device supply ...LW drives You can be purchased that show how to the external terminator. The user, systems integrator or host equipment manufacturer must provide a terminator arrangement external to terminator power. H 73 LC drives These drives cannot furnish terminator power because no conductors in the 80-pin ...
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...Index Symbols +5 and +12 volt supplies 24 Numerics 68-conductor connector 62 68-pin connector 63 80 conductor connector 62 80 conductor interface 62 80-pin connector option 61 80-pin I/O connector 68, 69 A AC power 23 access time 12 accessories 10 ...mode 13 cache operation 13 cache segments 14 caching write data 14 Canadian Department of Communications 3 capacities 10 capacity, drive, programmable 10 CE Marking 4 changeable bit 53 changeable value 53 check condition 53 circuits 71 class B limit ... requirements 23 DC power source 62 dedicated landing zone 7 Cheetah 15K.5 SCSI Product Manual, Rev.
...Index Symbols +5 and +12 volt supplies 24 Numerics 68-conductor connector 62 68-pin connector 63 80 conductor connector 62 80 conductor interface 62 80-pin connector option 61 80-pin I/O connector 68, 69 A AC power 23 access time 12 accessories 10 ...mode 13 cache operation 13 cache segments 14 caching write data 14 Canadian Department of Communications 3 capacities 10 capacity, drive, programmable 10 CE Marking 4 changeable bit 53 changeable value 53 check condition 53 circuits 71 class B limit ... requirements 23 DC power source 62 dedicated landing zone 7 Cheetah 15K.5 SCSI Product Manual, Rev.