Specifications
Page 23
... The read /write heads centered over the desired track. The actuator is driven directly by a voice coil motor. Deskstar 7K80 Hard Disk Drive Specification 19 These include position error signal and estimated velocity. • Monitors the actuator position and determines the target ... the disks and actuator assembly. When the drive is electronically controlled by a microprocessor, several logic modules, digital/analog modules, and various drivers and receivers. 3.0 Fixed-disk subsystem description 3.1 Control electronics The drive is powered off, the actuator automatically moves ...
... The read /write heads centered over the desired track. The actuator is driven directly by a voice coil motor. Deskstar 7K80 Hard Disk Drive Specification 19 These include position error signal and estimated velocity. • Monitors the actuator position and determines the target ... the disks and actuator assembly. When the drive is electronically controlled by a microprocessor, several logic modules, digital/analog modules, and various drivers and receivers. 3.0 Fixed-disk subsystem description 3.1 Control electronics The drive is powered off, the actuator automatically moves ...
Specifications
Page 40
... and an external resistor is present then device 0 shall wait up to 5 volts in the drive through a 10 kW resistor. If device 1 did not assert DASP- Device 0 may assert DASP- Deskstar 7K80 Hard Disk Drive Specification 36 is ready to post status. Device 0 shall allow up to 450 ms for device... position of the cable connector in order to avoid incorrect insertion. shall be negated following acceptance of the first valid command by an Open-Drain driver and internally pulled up to 5 volts through a 10 kΩ resistor. The DASP- It is present. This signal is 1 KEY Pin position...
... and an external resistor is present then device 0 shall wait up to 5 volts in the drive through a 10 kW resistor. If device 1 did not assert DASP- Device 0 may assert DASP- Deskstar 7K80 Hard Disk Drive Specification 36 is ready to post status. Device 0 shall allow up to 450 ms for device... position of the cable connector in order to avoid incorrect insertion. shall be negated following acceptance of the first valid command by an Open-Drain driver and internally pulled up to 5 volts through a 10 kΩ resistor. The DASP- It is present. This signal is 1 KEY Pin position...
Specifications
Page 46
... - 0 - tAZ Maximum time allowed for DMACK- 20 - 20 - 20 - 20 - 20 - 20 - 20 - tDH Data hold time at host 15 - 10 - 7 - 7 - 5 - 4.8 - 2.6 - ical timing Deskstar 7K80 Hard Disk Drive Specification 42 tENV Envelope time 20 70 20 70 20 70 20 55 20 55 20 50 20 50 tZI- Minimum time before ORDY... 130 0 120 - 90 0 80 tCYC Cycle time 112 - 73 - 54 - 39 - 25 - 17 - 13 - tDS Data setup time at host 5 - 5 - 5 - 5 - 5 - 4.8 - 3.5 - tACK Setup time for output drivers to - 10 - 10 - 10 - 10 - 10 10 - 10 release tZAD Drivers to -driving until the first transition of the ...
... - 0 - tAZ Maximum time allowed for DMACK- 20 - 20 - 20 - 20 - 20 - 20 - 20 - tDH Data hold time at host 15 - 10 - 7 - 7 - 5 - 4.8 - 2.6 - ical timing Deskstar 7K80 Hard Disk Drive Specification 42 tENV Envelope time 20 70 20 70 20 70 20 55 20 55 20 50 20 50 tZI- Minimum time before ORDY... 130 0 120 - 90 0 80 tCYC Cycle time 112 - 73 - 54 - 39 - 25 - 17 - 13 - tDS Data setup time at host 5 - 5 - 5 - 5 - 5 - 4.8 - 3.5 - tACK Setup time for output drivers to - 10 - 10 - 10 - 10 - 10 10 - 10 release tZAD Drivers to -driving until the first transition of the ...
Specifications
Page 48
... tLI tRP tMLI tACK tACK HDMARDYDSTROBE DD(15:0) tRFS tLI tIORDYZ tAZ xxx RD Data xxxxxxxxxxxxxxxxxx tCH tCS xxx CRC xxxxxxxxxxx tZAH Device drives DD Host drives DD Table 29: Ultra DMA cycle timings (Host pausing Read) PARAMETER DESCRIP- tIO- tMLI Interlock time with minimum 20 - 20 ... before RDYZ releasing IORDY - 20 - 20 - 20 - 20 - 20 - 20 - 20 Deskstar 7K80 Hard Disk Drive Specification 44 tLI Limited interlock time 0 150 0 150 0 150 0 100 0 100 0 75 0 60 tAZ Maximum time allowed for output drivers to pause time 160 - 125 - 100 - 100 - 100 - 85 - 85 - tCH...
... tLI tRP tMLI tACK tACK HDMARDYDSTROBE DD(15:0) tRFS tLI tIORDYZ tAZ xxx RD Data xxxxxxxxxxxxxxxxxx tCH tCS xxx CRC xxxxxxxxxxx tZAH Device drives DD Host drives DD Table 29: Ultra DMA cycle timings (Host pausing Read) PARAMETER DESCRIP- tIO- tMLI Interlock time with minimum 20 - 20 ... before RDYZ releasing IORDY - 20 - 20 - 20 - 20 - 20 - 20 - 20 Deskstar 7K80 Hard Disk Drive Specification 44 tLI Limited interlock time 0 150 0 150 0 150 0 100 0 100 0 75 0 60 tAZ Maximum time allowed for output drivers to pause time 160 - 125 - 100 - 100 - 100 - 85 - 85 - tCH...
Specifications
Page 49
... tACK tACK tLI tIORDYZ tCH tCS xxxxxxxxxxxxxxxxxx CRC xxxxxxxxxx Host drives DD Table 31: Ultra DMA cycle timings (Device Terminating Read) PARAMETER DESCRIP- device tACK Hold time for - 10 - 10 - 10 - 10 - 10 - 10 - 10 output drivers to release tZAH Maximum delay time 20 - 20 - ...20 - 20 - 20 - 20 - 20 - tIORDYZ Maximum time before - 20 - 20 - 20 - 20 - 20 - 20 - 20 releasing IORDY Deskstar 7K80 Hard Disk Drive Specification 45 required for output tMLI Interlock time with minimum 20 - 20 - 20 - 20 - 20 - 20 - 20 - 6.8.4 Device Terminating Read DMA Table...
... tACK tACK tLI tIORDYZ tCH tCS xxxxxxxxxxxxxxxxxx CRC xxxxxxxxxx Host drives DD Table 31: Ultra DMA cycle timings (Device Terminating Read) PARAMETER DESCRIP- device tACK Hold time for - 10 - 10 - 10 - 10 - 10 - 10 - 10 output drivers to release tZAH Maximum delay time 20 - 20 - ...20 - 20 - 20 - 20 - 20 - tIORDYZ Maximum time before - 20 - 20 - 20 - 20 - 20 - 20 - 20 releasing IORDY Deskstar 7K80 Hard Disk Drive Specification 45 required for output tMLI Interlock time with minimum 20 - 20 - 20 - 20 - 20 - 20 - 20 - 6.8.4 Device Terminating Read DMA Table...
Specifications
Page 73
... Third Edition, for use controlled CFC materials. 7.9.6 Secondary circuit protection Spindle/VCM driver module includes 12 V over current protection circuit Deskstar 7K80 Hard Disk Drive Specification 69 The UL Recognition or the CSA certification is also controlled. In addition to the Protocol Hitachi Global Storage Technologies requires the following: • that no packaging used to...
... Third Edition, for use controlled CFC materials. 7.9.6 Secondary circuit protection Spindle/VCM driver module includes 12 V over current protection circuit Deskstar 7K80 Hard Disk Drive Specification 69 The UL Recognition or the CSA certification is also controlled. In addition to the Protocol Hitachi Global Storage Technologies requires the following: • that no packaging used to...
Specifications
Page 100
...,289,536 (BB8600h)) if required. vi. Deskstar 7K80 Hard Disk Drive Specification 96 The following example uses hypothetical values. Preparation of drives by setting the device maximum LBA to store the data in the same manner as a 6.2 GB device, any BIOS, device driver, or application software will access the drive as BIOS or system management information. The...
...,289,536 (BB8600h)) if required. vi. Deskstar 7K80 Hard Disk Drive Specification 96 The following example uses hypothetical values. Preparation of drives by setting the device maximum LBA to store the data in the same manner as a 6.2 GB device, any BIOS, device driver, or application software will access the drive as BIOS or system management information. The...