Specifications
Page 23
...write heads are mounted in a desired position. • Constantly monitors error conditions of the disk where it parks. Deskstar 7K80 Hard Disk Drive Specification 19 These include position error signal and estimated velocity. • Monitors the actuator position and determines the target ... directly by a voice coil motor. Air is constantly circulated and filtered when the drive is electronically controlled by a microprocessor, several logic modules, digital/analog modules, and various drivers and receivers. The actuator is accomplished via a breather filter. 3.0 Fixed-disk subsystem...
...write heads are mounted in a desired position. • Constantly monitors error conditions of the disk where it parks. Deskstar 7K80 Hard Disk Drive Specification 19 These include position error signal and estimated velocity. • Monitors the actuator position and determines the target ... directly by a voice coil motor. Air is constantly circulated and filtered when the drive is electronically controlled by a microprocessor, several logic modules, digital/analog modules, and various drivers and receivers. The actuator is accomplished via a breather filter. 3.0 Fixed-disk subsystem...
Specifications
Page 40
... may assert DASP- Anytime after the first command following acceptance of DASP-, either drive may be asserted by an Open-Drain driver and internally pulled up to 450ms for drive 1 to assert PDIAG-. During Power-On initialization or after RESET- shall be ...by device 1. CSEL (Cable Select) The drive is configured as PDIAG- DASPThis is a time-multiplexed signal which indicates that a drive is active or that a drive is active. DASP- to 5 volts through a 10 kΩ resistor. Deskstar 7K80 Hard Disk Drive Specification 36 This signal is not present, ...
... may assert DASP- Anytime after the first command following acceptance of DASP-, either drive may be asserted by an Open-Drain driver and internally pulled up to 450ms for drive 1 to assert PDIAG-. During Power-On initialization or after RESET- shall be ...by device 1. CSEL (Cable Select) The drive is configured as PDIAG- DASPThis is a time-multiplexed signal which indicates that a drive is active or that a drive is active. DASP- to 5 volts through a 10 kΩ resistor. Deskstar 7K80 Hard Disk Drive Specification 36 This signal is not present, ...
Specifications
Page 46
... - tFS First DSTROBE time 0 230 0 200 0 170 0 130 0 120 - 90 0 80 tCYC Cycle time 112 - 73 - 54 - 39 - 25 - 17 - 13 - tAZ Maximum time allowed for DMACK- 20 - 20 - 20 - 20 - 20 - 20 - 20 - ical timing Deskstar 7K80 Hard Disk Drive Specification 42 tENV Envelope time 20 70 20 70 20 70 20... crit- 70 - 48 - 31 - 20 - 6.7 - 25 - 17.5 - 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 Ultra DMA Protocol. 6.8.1 Initiating Read DMA DMARQ DMACKSTOP HDMARDY- tUI tACK tENV tACK...
... - tFS First DSTROBE time 0 230 0 200 0 170 0 130 0 120 - 90 0 80 tCYC Cycle time 112 - 73 - 54 - 39 - 25 - 17 - 13 - tAZ Maximum time allowed for DMACK- 20 - 20 - 20 - 20 - 20 - 20 - 20 - ical timing Deskstar 7K80 Hard Disk Drive Specification 42 tENV Envelope time 20 70 20 70 20 70 20... crit- 70 - 48 - 31 - 20 - 6.7 - 25 - 17.5 - 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 Ultra DMA Protocol. 6.8.1 Initiating Read DMA DMARQ DMACKSTOP HDMARDY- tUI tACK tENV tACK...
Specifications
Page 48
... MIN MAX MIN MAX MIN MAX tRFS HDMARDY- 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 CRC word hold time at device 15 - 10 - 7 - 7 - 5 - 5 - 5 - to final ... - 20 - 20 - 20 - 20 - 20 - 20 - Maximum time before RDYZ releasing IORDY - 20 - 20 - 20 - 20 - 20 - 20 - 20 Deskstar 7K80 Hard Disk Drive Specification 44 6.8.3 Host Terminating Read DMA Table 28: Ultra DMA cycle timing chart (Host pausing Read) DMARQ DMACKSTOP tLI tRP tMLI tACK tACK HDMARDYDSTROBE...
... MIN MAX MIN MAX MIN MAX tRFS HDMARDY- 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 CRC word hold time at device 15 - 10 - 7 - 7 - 5 - 5 - 5 - to final ... - 20 - 20 - 20 - 20 - 20 - 20 - Maximum time before RDYZ releasing IORDY - 20 - 20 - 20 - 20 - 20 - 20 - 20 Deskstar 7K80 Hard Disk Drive Specification 44 6.8.3 Host Terminating Read DMA Table 28: Ultra DMA cycle timing chart (Host pausing Read) DMARQ DMACKSTOP tLI tRP tMLI tACK tACK HDMARDYDSTROBE...
Specifications
Page 49
...tMLI Interlock time with minimum 20 - 20 - 20 - 20 - 20 - 20 - 20 - required for - 10 - 10 - 10 - 10 - 10 - 10 - 10 output drivers to release tZAH Maximum delay time 20 - 20 - 20 - 20 - 20 - 20 - 20 - tCS CRC word setup time at 5-5-5-5-5-5-5- MODE 0 MODE 1 MODE 2 MODE 3 ...- 50 - 50 - 50 - 50 - 50 - 50 - tIORDYZ Maximum time before - 20 - 20 - 20 - 20 - 20 - 20 - 20 releasing IORDY Deskstar 7K80 Hard Disk Drive Specification 45 6.8.4 Device Terminating Read DMA Table 30: Ultra DMA cycle timing chart (Host pausing Read) DMARQ DMACKSTOP HDMARDY- tSS tLI tLI DSTROBE DD...
...tMLI Interlock time with minimum 20 - 20 - 20 - 20 - 20 - 20 - 20 - required for - 10 - 10 - 10 - 10 - 10 - 10 - 10 output drivers to release tZAH Maximum delay time 20 - 20 - 20 - 20 - 20 - 20 - 20 - tCS CRC word setup time at 5-5-5-5-5-5-5- MODE 0 MODE 1 MODE 2 MODE 3 ...- 50 - 50 - 50 - 50 - 50 - 50 - tIORDYZ Maximum time before - 20 - 20 - 20 - 20 - 20 - 20 - 20 releasing IORDY Deskstar 7K80 Hard Disk Drive Specification 45 6.8.4 Device Terminating Read DMA Table 30: Ultra DMA cycle timing chart (Host pausing Read) DMARQ DMACKSTOP HDMARDY- tSS tLI tLI DSTROBE DD...
Specifications
Page 73
...Production also meets the requirements of V-2. 7.9.4 Safe handling The product is also controlled. In addition to the Protocol Hitachi Global Storage Technologies requires the following: • that no packaging used to sharp edges and corners. 7.9.5 Environment ...components are used 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 Environmental controls meet or exceed all applicable government regulations in Information Technology Equipment...
...Production also meets the requirements of V-2. 7.9.4 Safe handling The product is also controlled. In addition to the Protocol Hitachi Global Storage Technologies requires the following: • that no packaging used to sharp edges and corners. 7.9.5 Environment ...components are used 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 Environmental controls meet or exceed all applicable government regulations in Information Technology Equipment...
Specifications
Page 100
...the sectors for protected area BB8600h to get the real device maximum LBA. v. Since the device functions in it were a 6.2 GB device. Deskstar 7K80 Hard Disk Drive Specification 96 This protected area is 12,692,735 (C1ACFFh) regardless of commands changes the LBA/CYL, which cannot be dumped into...have a capacity of the protected area and 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 follows: i. iv. From this point the protected area cannot be either nonvolatile or volatile. Change maximum...
...the sectors for protected area BB8600h to get the real device maximum LBA. v. Since the device functions in it were a 6.2 GB device. Deskstar 7K80 Hard Disk Drive Specification 96 This protected area is 12,692,735 (C1ACFFh) regardless of commands changes the LBA/CYL, which cannot be dumped into...have a capacity of the protected area and 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 follows: i. iv. From this point the protected area cannot be either nonvolatile or volatile. Change maximum...