Hard Drive Specifications
Page 5
... Capacity 9 3.2 Data Sheet 9 3.3 Cylinder Allocation 10 3.4 Performance Characteristics 10 3.4.1 Command overhead 11 3.4.2 Mechanical Positioning 11 3.4.3 Drive Ready Time 13 3.4.4 Spindle Stop Time 13 3.4.5 Data Transfer Speed 13 3.4.6 Buffering Operation (Lookahead/Write Cache 14 3.4.7 Throughput 15... Plug / Unplug 27 6.1.5 SCSI Bus Electrical Characteristics 28 6.1.6 Auxiliary Connector on 68-pin Model 29 6.2 Option Jumper Block 30 6.2.1 Jumper Signal Description 32 6.2.2 Shipping Default 35 6.3 LED Circuit 36 6.3.1 50-Pin Model 36 6.3.2 68-Pin Model 37 © Copyright...
... Capacity 9 3.2 Data Sheet 9 3.3 Cylinder Allocation 10 3.4 Performance Characteristics 10 3.4.1 Command overhead 11 3.4.2 Mechanical Positioning 11 3.4.3 Drive Ready Time 13 3.4.4 Spindle Stop Time 13 3.4.5 Data Transfer Speed 13 3.4.6 Buffering Operation (Lookahead/Write Cache 14 3.4.7 Throughput 15... Plug / Unplug 27 6.1.5 SCSI Bus Electrical Characteristics 28 6.1.6 Auxiliary Connector on 68-pin Model 29 6.2 Option Jumper Block 30 6.2.1 Jumper Signal Description 32 6.2.2 Shipping Default 35 6.3 LED Circuit 36 6.3.1 50-Pin Model 36 6.3.2 68-Pin Model 37 © Copyright...
Hard Drive Specifications
Page 35
... #38,39,40,77,78,79,80 work as follows. Specification 25 Figure 18. Table of interface signals conform to SFF-8046 as Logical O R with jumper pins on Option...
... #38,39,40,77,78,79,80 work as follows. Specification 25 Figure 18. Table of interface signals conform to SFF-8046 as Logical O R with jumper pins on Option...
Hard Drive Specifications
Page 36
| 6.1.1.6 SCSI Signal Connector (80-pin LVD) | The 80-pin SCA-2 model uses an AMP connector which is compatible with jumper pins on Option Jumper Block. 26 OEM Spec. Table of DDRS-3xxxx of Signals | Connector | Contact | Number Signal Name | 01 12 Volt Charge | 02 12 Volt | 03 12 Volt | 04 12 Volt | 05 Reserved...
| 6.1.1.6 SCSI Signal Connector (80-pin LVD) | The 80-pin SCA-2 model uses an AMP connector which is compatible with jumper pins on Option Jumper Block. 26 OEM Spec. Table of DDRS-3xxxx of Signals | Connector | Contact | Number Signal Name | 01 12 Volt Charge | 02 12 Volt | 03 12 Volt | 04 12 Volt | 05 Reserved...
Hard Drive Specifications
Page 37
... function can be enabled by this power line. Term.power (#26 pin of 50pin model, #17,18 pins of 68pin model) is provided by drive 5V supply through current limiter and shotky diode, and internal terminator is responsible for making sure that all required signals are terminated at both ends... signals are adequately terminated at both ends of the auxiliary connector on 68 SCSI pin models. System is also driven by installing a jumper between pins 13 and 14 of the jumper block, or connecting pins 9 and 10 of the | bus cable. 6.1.4 Hot Plug / Unplug The 80-pin (SCA-2) model supports Hot...
... function can be enabled by this power line. Term.power (#26 pin of 50pin model, #17,18 pins of 68pin model) is provided by drive 5V supply through current limiter and shotky diode, and internal terminator is responsible for making sure that all required signals are terminated at both ends... signals are adequately terminated at both ends of the auxiliary connector on 68 SCSI pin models. System is also driven by installing a jumper between pins 13 and 14 of the jumper block, or connecting pins 9 and 10 of the | bus cable. 6.1.4 Hot Plug / Unplug The 80-pin (SCA-2) model supports Hot...
Hard Drive Specifications
Page 39
... between power connector and 68-pin SCSI connector in addition to assert. | Pin #2,4,6,12 are reserved, and should be open. Pin #8 is to Option Jumper Block. The drive conforms SFF-8009 Rev3.0. 6.1.6 Auxiliary Connector on SE model, SCSI Terminator is enabled. | Enable SE SCSI Terminator +5V DAS3 DAS2 DAS1 DAS0 Pin#: 11... for external LED cathod. | If pin #9 is tied-down to the ground is for SE model. | LVD model has no terminator. The setting at Option Jumper Block and the Auxiliary Connector work as -DAS0,1,2,3. Auxiliary Connector Specification 29
... between power connector and 68-pin SCSI connector in addition to assert. | Pin #2,4,6,12 are reserved, and should be open. Pin #8 is to Option Jumper Block. The drive conforms SFF-8009 Rev3.0. 6.1.6 Auxiliary Connector on SE model, SCSI Terminator is enabled. | Enable SE SCSI Terminator +5V DAS3 DAS2 DAS1 DAS0 Pin#: 11... for external LED cathod. | If pin #9 is tied-down to the ground is for SE model. | LVD model has no terminator. The setting at Option Jumper Block and the Auxiliary Connector work as -DAS0,1,2,3. Auxiliary Connector Specification 29
Hard Drive Specifications
Page 40
...16 18 20 22 24 Logic Card Disk Enclosure Figure 21. Some of DDRS-3xxxx of the above items can be also controled through Auxiliary Connector as DPES-xxxxx, DALS-xxxxx. 30 OEM Spec. Jumper Pins Note: The pin alocation is used to select the SCSI device ID,... delay option control and SCSI parity option control. These controls work as logical O R between Option Jumper Block and Auxiliary Connector. 6.2 Option Jumper Block The 12 positions jumper block shown below is not compatible with previous IBM HDDs such as descrived in 6.1.6, "Auxiliary Connector on 68-pin Model" on page 29.
...16 18 20 22 24 Logic Card Disk Enclosure Figure 21. Some of DDRS-3xxxx of the above items can be also controled through Auxiliary Connector as DPES-xxxxx, DALS-xxxxx. 30 OEM Spec. Jumper Pins Note: The pin alocation is used to select the SCSI device ID,... delay option control and SCSI parity option control. These controls work as logical O R between Option Jumper Block and Auxiliary Connector. 6.2 Option Jumper Block The 12 positions jumper block shown below is not compatible with previous IBM HDDs such as descrived in 6.1.6, "Auxiliary Connector on 68-pin Model" on page 29.
Hard Drive Specifications
Page 42
... address select lines. (-DAS0, -DAS1, -DAS2, -DAS3) These four lines defines DDRS-3xxxx device ID on reset. SCSI Device ID | 6.2.1.2 Position 5 on 50/68-pin models (Enable Auto Spin up) | If a shunt jumper is installed, the drive will not spin up automatically after power on 0< 1 2 3 4 5 6< 7... 8 9 10 11 12 13 14 15 Shipping default of 80 pin Shipping default of DDRS-3xxxx Figure 23. If a shunt jumper | is defined as Single-End mode drive. 32 OEM Spec. Device ID is installed, the drive will spin up unless a START UNIT command is received. | 6.2.1.4 Position 6 on SE models...
... address select lines. (-DAS0, -DAS1, -DAS2, -DAS3) These four lines defines DDRS-3xxxx device ID on reset. SCSI Device ID | 6.2.1.2 Position 5 on 50/68-pin models (Enable Auto Spin up) | If a shunt jumper is installed, the drive will not spin up automatically after power on 0< 1 2 3 4 5 6< 7... 8 9 10 11 12 13 14 15 Shipping default of 80 pin Shipping default of DDRS-3xxxx Figure 23. If a shunt jumper | is defined as Single-End mode drive. 32 OEM Spec. Device ID is installed, the drive will spin up unless a START UNIT command is received. | 6.2.1.4 Position 6 on SE models...
Hard Drive Specifications
Page 43
...Grounding this pin (jumper on) enables the following. When both Auto Spin up and Auto Start Delayis are enabled, the drive start will be ignored. | Enable Auto Auto Start Spin up Delay Position # > (5) (9) | off (50/68 pin) any | on (80 pin) Delay Start 6/12 (10) any Option Drive will be delayed ...by SCSI address after POR | on (50/68 pin) on on ) enables control of time multiplied by its own SCSI address. Disable Auto Spin Up ,Auto Start Delay & Delay Start Specification 33 If Auto Spin up is disabled, these jumpers will Not spin...
...Grounding this pin (jumper on) enables the following. When both Auto Spin up and Auto Start Delayis are enabled, the drive start will be ignored. | Enable Auto Auto Start Spin up Delay Position # > (5) (9) | off (50/68 pin) any | on (80 pin) Delay Start 6/12 (10) any Option Drive will be delayed ...by SCSI address after POR | on (50/68 pin) on on ) enables control of time multiplied by its own SCSI address. Disable Auto Spin Up ,Auto Start Delay & Delay Start Specification 33 If Auto Spin up is disabled, these jumpers will Not spin...
Hard Drive Specifications
Page 44
The LED Cathode is provided. of sink current capability is then connected to the Pin #2 to complete the circuit. +5V o > < 620 Ohm > / \ o Pin #1 for LED Anode o Pin #2 for LED Cathod /// Figure 25. 6.2.1.9 Disable SCSI Parity Check (Position 11) Grounding this pin will disable SCSI Parity checking. 6.2.1.10 LED pins (Position 12) The LED pins are used to the current limited + 5 V source provided on Pin #1 of the Option Jumper Block. LED Circuit 34 OEM Spec. The LED Anode must be tied to drive an external Light Emitting Diode. Up to 30 mA of DDRS-3xxxx
The LED Cathode is provided. of sink current capability is then connected to the Pin #2 to complete the circuit. +5V o > < 620 Ohm > / \ o Pin #1 for LED Anode o Pin #2 for LED Cathod /// Figure 25. 6.2.1.9 Disable SCSI Parity Check (Position 11) Grounding this pin will disable SCSI Parity checking. 6.2.1.10 LED pins (Position 12) The LED pins are used to the current limited + 5 V source provided on Pin #1 of the Option Jumper Block. LED Circuit 34 OEM Spec. The LED Anode must be tied to drive an external Light Emitting Diode. Up to 30 mA of DDRS-3xxxx
Hard Drive Specifications
Page 45
... 5 4 3 2 1 | | | oooooooooooo | | oooooooooooo | | | Shunt jumpers are installed at position 2,3,5 and 6 as shipping default | of SE 50/68 pin model. Default Jumper Setting of | LVD 68 pin model. Default Jumper Setting of SE 50/68-pin | Shipping Default Setting on LVD 68 pin. | Position... 8 7 6 5 4 3 2 1 | | | oooooooooooo | | oooooooooooo | | | Shunt jumpers are installed at position 2,3 and 5 as shipping default of LVD 68-pin model Specification 35 6.2.2 Shipping Default | No jumper is set as shipping default on 80-pin models. | SCSI ID is set to #6 as shipping...
... 5 4 3 2 1 | | | oooooooooooo | | oooooooooooo | | | Shunt jumpers are installed at position 2,3,5 and 6 as shipping default | of SE 50/68 pin model. Default Jumper Setting of | LVD 68 pin model. Default Jumper Setting of SE 50/68-pin | Shipping Default Setting on LVD 68 pin. | Position... 8 7 6 5 4 3 2 1 | | | oooooooooooo | | oooooooooooo | | | Shunt jumpers are installed at position 2,3 and 5 as shipping default of LVD 68-pin model Specification 35 6.2.2 Shipping Default | No jumper is set as shipping default on 80-pin models. | SCSI ID is set to #6 as shipping...
Hard Drive Specifications
Page 46
of 50-Pin Model 36 OEM Spec. Instead of LED circuit on page 38. LED Circuit of DDRS-3xxxx 6.3 LED Circuit Jumper pin #1 and #2 are as shown in 6.3.3, "80-Pin Model" on each model are used to drive an external LED. The schematics of the the jumper pins, the following pins can be used to drive LED. 68-Pin Model : Auxiliary Connector Pin #8 and #11. 80-Pin Model : SCA-2 Connector Pin #77 as follows. 6.3.1 50-Pin Model DDRS 39130 / DDRS 34560 50 Pin Model +5V o > < 620 Ohm > o Jumper Pin #1 for LED Anode o Jumper Pin #2 for LED Cathod / \ /// Figure 28.
of 50-Pin Model 36 OEM Spec. Instead of LED circuit on page 38. LED Circuit of DDRS-3xxxx 6.3 LED Circuit Jumper pin #1 and #2 are as shown in 6.3.3, "80-Pin Model" on each model are used to drive an external LED. The schematics of the the jumper pins, the following pins can be used to drive LED. 68-Pin Model : Auxiliary Connector Pin #8 and #11. 80-Pin Model : SCA-2 Connector Pin #77 as follows. 6.3.1 50-Pin Model DDRS 39130 / DDRS 34560 50 Pin Model +5V o > < 620 Ohm > o Jumper Pin #1 for LED Anode o Jumper Pin #2 for LED Cathod / \ /// Figure 28.
Hard Drive Specifications
Page 47
LED Circuit of Usage : at System Side : : : : : : o : : : : : \/ : \ / LED : : : : : : : : : : : : : : : : : o : : : Figure 29. 6.3.2 68-Pin Model DDRS 39130 / DDRS 34560 68 Pin Model : : : : 5V : o : Auxiliary : Connector Pin #11 o for LED Anode : : > : < 620 Ohm : > : : Jumper Pin #1 for LED Anode o : : : o / Jumper Pin #2 for LED Cathod \ : : > : < 150 Ohm : > : : Auxiliary : Connector Pin #8 /// o for LED Cathod : : : : Example of 68-Pin Model Specification 37
LED Circuit of Usage : at System Side : : : : : : o : : : : : \/ : \ / LED : : : : : : : : : : : : : : : : : o : : : Figure 29. 6.3.2 68-Pin Model DDRS 39130 / DDRS 34560 68 Pin Model : : : : 5V : o : Auxiliary : Connector Pin #11 o for LED Anode : : > : < 620 Ohm : > : : Jumper Pin #1 for LED Anode o : : : o / Jumper Pin #2 for LED Cathod \ : : > : < 150 Ohm : > : : Auxiliary : Connector Pin #8 /// o for LED Cathod : : : : Example of 68-Pin Model Specification 37
Hard Drive Specifications
Page 48
LED Circuit of Usage : at System Side : : : +5V : o : : : > : < 150 Ohm : > : : : : \/ : \ / LED : : : : : : : : : : : : : o : : : Figure 30. 6.3.3 80-Pin Model DDRS 39130 / DDRS 34560 80 Pin (SCA 2) Model : : : : +5V +5V : o o : : : > > : 1K Ohm < < 620 Ohm : > > : : : : \/ : LED \ / : Jumper Pin #1 for LED Anode o : : : o / Jumper Pin #2 for LED Cathod \ : : : SCA 2 Connector Pin #77 /// o for LED Cathod : : : Example of 80-Pin (SCA-2) Model 38 OEM Spec. of DDRS-3xxxx
LED Circuit of Usage : at System Side : : : +5V : o : : : > : < 150 Ohm : > : : : : \/ : \ / LED : : : : : : : : : : : : : o : : : Figure 30. 6.3.3 80-Pin Model DDRS 39130 / DDRS 34560 80 Pin (SCA 2) Model : : : : +5V +5V : o o : : : > > : 1K Ohm < < 620 Ohm : > > : : : : \/ : LED \ / : Jumper Pin #1 for LED Anode o : : : o / Jumper Pin #2 for LED Cathod \ : : : SCA 2 Connector Pin #77 /// o for LED Cathod : : : Example of 80-Pin (SCA-2) Model 38 OEM Spec. of DDRS-3xxxx
Hard Drive Specifications
Page 103
...no effects. UAI (Unit Attention Inhibit) bit is not used or checked by the user with older drives. MRG (Merge G-List into the Primary Defect List (P-List) during normal operation while the UAI jumper is set as 'Ignore' are recovered under Data Recovery Procedure (DRP) step. This is for ...List (G-List) entries into P-List) bit is removed from the drive. A QPE bit of one causes the Target to the drive then this bit controls the generation of recovered data errors which exceed the QPE threshold. If the UAI jumper is allowed. It may be changed by the file. They ...
...no effects. UAI (Unit Attention Inhibit) bit is not used or checked by the user with older drives. MRG (Merge G-List into the Primary Defect List (P-List) during normal operation while the UAI jumper is set as 'Ignore' are recovered under Data Recovery Procedure (DRP) step. This is for ...List (G-List) entries into P-List) bit is removed from the drive. A QPE bit of one causes the Target to the drive then this bit controls the generation of recovered data errors which exceed the QPE threshold. If the UAI jumper is allowed. It may be changed by the file. They ...