Specifications
Page 5
...drive... original packages (50 units' package) during drive transportation to the contents hereof and specifically disclaims... or changes. Hitachi makes no representations or warranties with...Hitachi reserves the right to revise this publication and to unexpected or accidental power loss during handling or drive... failure. K6602637 Rev.3 02.27.01 - 5 - Safety Instructions (Continued) Caution 19. Prevent humidity when the drive... is correct please feel free to notify us in the content hereof without power on the disk may be lost due to make changes from any purpose. Hitachi...
...drive... original packages (50 units' package) during drive transportation to the contents hereof and specifically disclaims... or changes. Hitachi makes no representations or warranties with...Hitachi reserves the right to revise this publication and to unexpected or accidental power loss during handling or drive... failure. K6602637 Rev.3 02.27.01 - 5 - Safety Instructions (Continued) Caution 19. Prevent humidity when the drive... is correct please feel free to notify us in the content hereof without power on the disk may be lost due to make changes from any purpose. Hitachi...
Specifications
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... 10 12 13 13 15 16 17 17 17 17 18 18 19 19 20 21 21 22 23 23 24 25 25 26 26 27 28 31 31... Required Power Off Sequence 4.0 Installation 4.1 Installation Direction 4.2 Mounting HDD 4.2.1 Mounting HDD with Screws 4.2.2 Single HDD Test Condition 4.2.3 Attention for HDD Installation 4.3 Drive Address Setting(DRIVE 0/DRIVE 1) 4.4 Dimensions 5.0 Packing and Handling 5.1 Packing 5.2 Handling 6.0 Interface 6.1 Power Interface 6.2 Physical Interface 6.2.1 Connector 6.2.2 Connector Pin Assignment 6.2.3 Description of the...
... 10 12 13 13 15 16 17 17 17 17 18 18 19 19 20 21 21 22 23 23 24 25 25 26 26 27 28 31 31... Required Power Off Sequence 4.0 Installation 4.1 Installation Direction 4.2 Mounting HDD 4.2.1 Mounting HDD with Screws 4.2.2 Single HDD Test Condition 4.2.3 Attention for HDD Installation 4.3 Drive Address Setting(DRIVE 0/DRIVE 1) 4.4 Dimensions 5.0 Packing and Handling 5.1 Packing 5.2 Handling 6.0 Interface 6.1 Power Interface 6.2 Physical Interface 6.2.1 Connector 6.2.2 Connector Pin Assignment 6.2.3 Description of the...
Specifications
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When this operation occurs, the start up to 20 seconds in which the power voltage and the temperature are unloaded. *7: Power mode automatically enters to circuit or component failure. Burst free (common mode). Secondary ... at power on is required for the protection. *5 : For more information, refer to Ready time could take up , the drive may have some tolerance after power-on the same track before this drive and in the nominal condition in case of spin up retry operation. Caution This product is required over current...
When this operation occurs, the start up to 20 seconds in which the power voltage and the temperature are unloaded. *7: Power mode automatically enters to circuit or component failure. Burst free (common mode). Secondary ... at power on is required for the protection. *5 : For more information, refer to Ready time could take up , the drive may have some tolerance after power-on the same track before this drive and in the nominal condition in case of spin up retry operation. Caution This product is required over current...
Specifications
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... Environmental Specifications and Reliability Table 3.2 Environmental Specification and Reliability No. Item Specification DK23CA-30F DK23CA-30/15/75 1 Ambient *1 Operational 5 to 55°C temperature Non-operational -40 to 70°C *2 Temperature gradient Max. 20°C /hour 2 Relative humidity Operational 5 to 90 % Non-operational 5 to 95 %... (Point A) 62°C 5°C Measurement point (Point Aʣ *2 : In case the ambient temperature is -40 to 0°C, the drive should be measured at a point 10 mm away from the nameplate of the maximum wet bulb 40°C , the...
... Environmental Specifications and Reliability Table 3.2 Environmental Specification and Reliability No. Item Specification DK23CA-30F DK23CA-30/15/75 1 Ambient *1 Operational 5 to 55°C temperature Non-operational -40 to 70°C *2 Temperature gradient Max. 20°C /hour 2 Relative humidity Operational 5 to 90 % Non-operational 5 to 95 %... (Point A) 62°C 5°C Measurement point (Point Aʣ *2 : In case the ambient temperature is -40 to 0°C, the drive should be measured at a point 10 mm away from the nameplate of the maximum wet bulb 40°C , the...
Specifications
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... and product life depends on usage conditions, please consult our sales representatives or application engineers if the drive may be grounded to system ground with four screws electrically. Grounding noise should be less than 20% of side mounting holes) should be less than 50 mAp-p (Frequency Range: less than 160 hours/month...
... and product life depends on usage conditions, please consult our sales representatives or application engineers if the drive may be grounded to system ground with four screws electrically. Grounding noise should be less than 20% of side mounting holes) should be less than 50 mAp-p (Frequency Range: less than 160 hours/month...
Specifications
Page 17
..., the following commands. - Standby Immediate - Since normal unload can not be set to over 30 sec by control software, during Idle mode. Soft Reset does not unload the heads from DK23CA-... Standby Immediate - The normal unload operation is required for the Host system at Power off the drive Above sequence is performed by the following BIOS sequence is automatically performed by the Host side. [... unload the heads. 3.4 Load/Unload Specifications Load /Unload is limited to maximum 20,000 times during HDD life. Sleep Note: Such as explained in Sec. 3.4.2. 3.4.2 Emergency Unload...
..., the following commands. - Standby Immediate - Since normal unload can not be set to over 30 sec by control software, during Idle mode. Soft Reset does not unload the heads from DK23CA-... Standby Immediate - The normal unload operation is required for the Host system at Power off the drive Above sequence is performed by the following BIOS sequence is automatically performed by the Host side. [... unload the heads. 3.4 Load/Unload Specifications Load /Unload is limited to maximum 20,000 times during HDD life. Sleep Note: Such as explained in Sec. 3.4.2. 3.4.2 Emergency Unload...
Specifications
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... HDD floating by tension of I /F cabling may cause performance reduction or some errors. HDD should be placed on a soft sponge sheet or hard surface at seek operations or spindle motor rotation. The HDD should be fixed by the required holding torque above item 1), put a body weight on...Insulation sheet (m=0.66kg, I=7.3X10-4 kg m2 ) HDD X Axis Direction K6602637 Rev.3 02.27.01 ABS-sheet (t = 5mm) Figure 4-3 Single HDD Test Condition - 20 - The body weight is placed on the HDD as specified below. Material : SS41 with ELP-coat Weight : M=0.66kg (92) Inertia : I=7.3X10 kg m Y Axis...
... HDD floating by tension of I /F cabling may cause performance reduction or some errors. HDD should be placed on a soft sponge sheet or hard surface at seek operations or spindle motor rotation. The HDD should be fixed by the required holding torque above item 1), put a body weight on...Insulation sheet (m=0.66kg, I=7.3X10-4 kg m2 ) HDD X Axis Direction K6602637 Rev.3 02.27.01 ABS-sheet (t = 5mm) Figure 4-3 Single HDD Test Condition - 20 - The body weight is placed on the HDD as specified below. Material : SS41 with ELP-coat Weight : M=0.66kg (92) Inertia : I=7.3X10 kg m Y Axis...
Specifications
Page 27
...(Logic) 43 B JUMPER0 D JUMPER2 F KEY(Removed) 2 GND 4 DD8 6 DD9 8 DD10 10 DD11 12 DD12 14 DD13 16 DD14 18 DD15 20 KEY(Removed) 22 GND 24 GND 26 GND 28 CSEL 30 GND 32 IOCS16- 34 PDIAG- 36 DA2 38 CS1- 40 GND(Motor) 42 5VDC(Motor) 44 Reserved PCB K6602637 Rev...
...(Logic) 43 B JUMPER0 D JUMPER2 F KEY(Removed) 2 GND 4 DD8 6 DD9 8 DD10 10 DD11 12 DD12 14 DD13 16 DD14 18 DD15 20 KEY(Removed) 22 GND 24 GND 26 GND 28 CSEL 30 GND 32 IOCS16- 34 PDIAG- 36 DA2 38 CS1- 40 GND(Motor) 42 5VDC(Motor) 44 Reserved PCB K6602637 Rev...
Specifications
Page 30
... signal. The host in the host system. K6602637 Rev.3 02.27.01 - 30 - Upon receipt of a command from the host, the device does not assert..., the device asserts this specification, it is available shall use this signal. See Sec. 4.3 " Drive Address Setting (Drive 0/Drive 1)" for DMA data transfers between host and device, when it may cause factional degradations or some errors...DMACKJUMPER0,1,2 Pin 39 21 29 PIN-A,B,D I/O type I/O O I /F cable should be no longer than 50cm(20 inches) including the circuit pattern length in response to DMARQ to +5.25V or an open circuit Low level +0....
... signal. The host in the host system. K6602637 Rev.3 02.27.01 - 30 - Upon receipt of a command from the host, the device does not assert..., the device asserts this specification, it is available shall use this signal. See Sec. 4.3 " Drive Address Setting (Drive 0/Drive 1)" for DMA data transfers between host and device, when it may cause factional degradations or some errors...DMACKJUMPER0,1,2 Pin 39 21 29 PIN-A,B,D I/O type I/O O I /F cable should be no longer than 50cm(20 inches) including the circuit pattern length in response to DMARQ to +5.25V or an open circuit Low level +0....
Specifications
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... = DMA supported Bit 7 - 0 Vendor Specific Value (HEX.) 045Ah See table 6.6 C837h See table 6.6 See table 6.6 0003h DK23CA-15/ 75: 0400h DK23CA-30F/ 30: 1000h 0004h 8010h 0000h 0B00h K6602637 Rev.3 02.27.01 - 38 - The parameter words are defined in the sector buffer, sets DRQ, and generates an... track 5 Number of unformatted bytes per sector 6 Number of logical sectors per logical track 7-9 Vendor specific 10-19 Serial number (20 ASCII characters) 20 Buffer type 0000h = Not specified 0001h = Single port single buffer 0002h = Dual port multi-sector buffer 0003h = Dual port multi...
... = DMA supported Bit 7 - 0 Vendor Specific Value (HEX.) 045Ah See table 6.6 C837h See table 6.6 See table 6.6 0003h DK23CA-15/ 75: 0400h DK23CA-30F/ 30: 1000h 0004h 8010h 0000h 0B00h K6602637 Rev.3 02.27.01 - 38 - The parameter words are defined in the sector buffer, sets DRQ, and generates an... track 5 Number of unformatted bytes per sector 6 Number of logical sectors per logical track 7-9 Vendor specific 10-19 Serial number (20 ASCII characters) 20 Buffer type 0000h = Not specified 0001h = Single port single buffer 0002h = Dual port multi-sector buffer 0003h = Dual port multi...
Specifications
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The Sector Count Register sets the standby timer value. By the power on default, the Standby timer is disabled. Sector Count Value SC = 0 0 6.3.2.6.4 Idle [97h, E3h] This command causes the device to enter to the Idle Mode.
The Sector Count Register sets the standby timer value. By the power on default, the Standby timer is disabled. Sector Count Value SC = 0 0 6.3.2.6.4 Idle [97h, E3h] This command causes the device to enter to the Idle Mode.
Specifications
Page 88
... DD0-15(16 bit) or DD0-7(8 bit) SYMBOL Description MIN(ns) t0 Cycle Time 120 t1 Address Valid to Address Valid Hold 10 MAX(ns) 30 40 30 K6602637 Rev.3 02.27.01 - 88 - Setup 25 t2 DIOR-/DIOW- Data Hold 10 t5 DIOR- Data Setup... 20 t6 DIOR- Data tristate t7 Addr Valid To IOCS16- Data Setup 20 t4 DIOW- Negation (MAX) t9 DIOR-/DIOW- Assertion(MAX) t8 Addr Valid To IOCS16- 6.4 Interface Signal Timing 6.4.1 Data Transfer Timing Figures...
... DD0-15(16 bit) or DD0-7(8 bit) SYMBOL Description MIN(ns) t0 Cycle Time 120 t1 Address Valid to Address Valid Hold 10 MAX(ns) 30 40 30 K6602637 Rev.3 02.27.01 - 88 - Setup 25 t2 DIOR-/DIOW- Data Hold 10 t5 DIOR- Data Setup... 20 t6 DIOR- Data tristate t7 Addr Valid To IOCS16- Data Setup 20 t4 DIOW- Negation (MAX) t9 DIOR-/DIOW- Assertion(MAX) t8 Addr Valid To IOCS16- 6.4 Interface Signal Timing 6.4.1 Data Transfer Timing Figures...
Specifications
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Pulse Width tE DIOR- Setup MIN(ns) 240 120 5 35 20 0 0 tD-tE K6602637 Rev.3 02.27.01 - 89 - tA tB IORDY SYMBOL Description tA IORDY Setup Time tB IORDY Pulse Width tRD Read Data Valid ...
Pulse Width tE DIOR- Setup MIN(ns) 240 120 5 35 20 0 0 tD-tE K6602637 Rev.3 02.27.01 - 89 - tA tB IORDY SYMBOL Description tA IORDY Setup Time tB IORDY Pulse Width tRD Read Data Valid ...
Specifications
Page 90
... DMACK Hold tK DIOR- / DIOW- to DIOR-/DIOW- to DIOR- / DIOW- Data Hold tGr DIOR- Data Hold tI DMACK to tristate MIN(ns) 120 70 5 20 20 10 0 5 25 25 25 MAX(ns) 50 35 25 K6602637 Rev.3 02.27.01 - 90 - Setup tJ DIOR- / DIOW- tN CS(1:0) hold tZ DMACK- Figure...
... DMACK Hold tK DIOR- / DIOW- to DIOR-/DIOW- to DIOR- / DIOW- Data Hold tGr DIOR- Data Hold tI DMACK to tristate MIN(ns) 120 70 5 20 20 10 0 5 25 25 25 MAX(ns) 50 35 25 K6602637 Rev.3 02.27.01 - 90 - Setup tJ DIOR- / DIOW- tN CS(1:0) hold tZ DMACK- Figure...
Specifications
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... 6-13 through 17 define the timings associated with all phases of critical timing tACK 20 20 20 20 20 20 Setup and hold time at sender tDVH 6.2 6.2 6.2 6.2 6.2 4.8 Data valid hold times before driving IORDY tZFS 0 0 0 0 0 35 Time from STROBE output released-to-driving until DMARQ and DMACK are not in effect until the first transition of DMACK_ K6602637...
... 6-13 through 17 define the timings associated with all phases of critical timing tACK 20 20 20 20 20 20 Setup and hold time at sender tDVH 6.2 6.2 6.2 6.2 6.2 4.8 Data valid hold times before driving IORDY tZFS 0 0 0 0 0 35 Time from STROBE output released-to-driving until DMARQ and DMACK are not in effect until the first transition of DMACK_ K6602637...
Specifications
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...) Mode 2(ns) Mode3(ns) MIN MAX MIN MAX MIN MAX MIN MAX 112 73 54 39 230 153 115 86 15 10 7 7 5 5 5 5 70 48 31 20 6.2 6.2 6.2 6.2 14.7 9.7 6.8 6.8 4.8 4.8 4.8 4.8 72.9 50.9 33.9 22.6 9.0 9.0 9.0 9.0 Mode4(ns) MIN MAX 25 57 5 5 6.7 6.2 4.8 4.8 9.5 9.0 Mode5(ns) MIN MAX 16.8 38 4 4.6 4.8 4.8 2.3 2.8 6.0 6.0 Description Cycle time allowing for asymmetry and clock...
...) Mode 2(ns) Mode3(ns) MIN MAX MIN MAX MIN MAX MIN MAX 112 73 54 39 230 153 115 86 15 10 7 7 5 5 5 5 70 48 31 20 6.2 6.2 6.2 6.2 14.7 9.7 6.8 6.8 4.8 4.8 4.8 4.8 72.9 50.9 33.9 22.6 9.0 9.0 9.0 9.0 Mode4(ns) MIN MAX 25 57 5 5 6.7 6.2 4.8 4.8 9.5 9.0 Mode5(ns) MIN MAX 16.8 38 4 4.6 4.8 4.8 2.3 2.8 6.0 6.0 Description Cycle time allowing for asymmetry and clock...
Specifications
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...20 20 20 20 20 20 Maximum time before releasing IORDY tACK 20 20 20 20 20 20 Setup and hold time at sender tLI 0 150 0 150 0 150 0 100 0 100 0 75 Limited interlock time tMLI 20 20 20 20 20 20 Interlock time with minimum tAZ 10 10 10 10 10 10 Maximum time allowed for output drivers to release tZAH 20 20 20 20 20 20...) Mode4(ns) Mode5(ns) Description SYMBOL MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX tCVS 70 48 31 20 6.7 10 CRC word valid setup time at sender tCVH 6.2 6.2 6.2 6.2 6.2 10 CRC word valid hold times before assertion and...
...20 20 20 20 20 20 Maximum time before releasing IORDY tACK 20 20 20 20 20 20 Setup and hold time at sender tLI 0 150 0 150 0 150 0 100 0 100 0 75 Limited interlock time tMLI 20 20 20 20 20 20 Interlock time with minimum tAZ 10 10 10 10 10 10 Maximum time allowed for output drivers to release tZAH 20 20 20 20 20 20...) Mode4(ns) Mode5(ns) Description SYMBOL MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX tCVS 70 48 31 20 6.7 10 CRC word valid setup time at sender tCVH 6.2 6.2 6.2 6.2 6.2 10 CRC word valid hold times before assertion and...
Specifications
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... 60 50 Ready-to-final-STROBE time tRP 160 125 100 100 100 85 Ready-to-pause time tIORDYZ 20 20 20 20 20 20 Maximum time before releasing IORDY tACK 20 20 20 20 20 20 Setup and hold times before assertion and negation of DMACK_ K6602637 Rev.3 02.27.01 - 95 - Figure...0 150 0 150 0 100 0 100 0 75 Limited interlock time tMLI 20 20 20 20 20 20 Interlock time with minimum tAZ 10 10 10 10 10 10 Maximum time allowed for output drivers to release tZAH 20 20 20 20 20 20 Minimum delay time for the STOP, HDMARDY and DSTROBE signal lines are no ...
... 60 50 Ready-to-final-STROBE time tRP 160 125 100 100 100 85 Ready-to-pause time tIORDYZ 20 20 20 20 20 20 Maximum time before releasing IORDY tACK 20 20 20 20 20 20 Setup and hold times before assertion and negation of DMACK_ K6602637 Rev.3 02.27.01 - 95 - Figure...0 150 0 150 0 100 0 100 0 75 Limited interlock time tMLI 20 20 20 20 20 20 Interlock time with minimum tAZ 10 10 10 10 10 10 Maximum time allowed for output drivers to release tZAH 20 20 20 20 20 20 Minimum delay time for the STOP, HDMARDY and DSTROBE signal lines are no ...
Specifications
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...0 150 0 150 0 0 0 20 70 20 70 20 70 0 0 0 tACK 20 20 20 tDZFS 70 48 31 Mode3(ns) MIN MAX 20 6.2 0 100 0 20 55 0 20 20 Mode4(ns) MIN MAX 6.7 6.2 0 100 0 20 55 0 20 6.7 Mode5(ns) Description MIN MAX ...4.8 Data valid setup time at sender 4.8 Data valid hold time at sender 0 75 Limited interlock time 0 Unlimited interlock 20 50 Envelope time 0 Minimum time before driving IORDY 20...
...0 150 0 150 0 0 0 20 70 20 70 20 70 0 0 0 tACK 20 20 20 tDZFS 70 48 31 Mode3(ns) MIN MAX 20 6.2 0 100 0 20 55 0 20 20 Mode4(ns) MIN MAX 6.7 6.2 0 100 0 20 55 0 20 6.7 Mode5(ns) Description MIN MAX ...4.8 Data valid setup time at sender 4.8 Data valid hold time at sender 0 75 Limited interlock time 0 Unlimited interlock 20 50 Envelope time 0 Minimum time before driving IORDY 20...
Specifications
Page 97
... Two cycle time allowing for clock variation tDS 15 10 7 7 5 4 Data setup time at recipient tDH 5 5 5 5 5 4.6 Data hold time at recipient tDVS 70 48 31 20 6.7 4.8 Data valid setup time at sender tDVH 6.2 6.2 6.2 6.2 6.2 4.8 Data valid hold time at the device until some time after they are shown at both the device...
... Two cycle time allowing for clock variation tDS 15 10 7 7 5 4 Data setup time at recipient tDH 5 5 5 5 5 4.6 Data hold time at recipient tDVS 70 48 31 20 6.7 4.8 Data valid setup time at sender tDVH 6.2 6.2 6.2 6.2 6.2 4.8 Data valid hold time at the device until some time after they are shown at both the device...