Manual/User Guide
Page 23
...Large capacity A large capacity can start and stop the spindle motor. (17) Diagnosis The IDD has a diagnostic capability which checks internal controller functions and drive operations to facilitate testing and repair. (18) Low power consumption By using highly integrated LSI components, the power consumption of the IDD... is very low, and this enables the unit to be obtained from 3.5 type disk drives by dividing all cylinders into several partitions and changing the recording density on each partition (constant density recording). The disk subsystem ...
...Large capacity A large capacity can start and stop the spindle motor. (17) Diagnosis The IDD has a diagnostic capability which checks internal controller functions and drive operations to facilitate testing and repair. (18) Low power consumption By using highly integrated LSI components, the power consumption of the IDD... is very low, and this enables the unit to be obtained from 3.5 type disk drives by dividing all cylinders into several partitions and changing the recording density on each partition (constant density recording). The disk subsystem ...
Manual/User Guide
Page 26
... filter will trap any dust generated inside the DE contaminant free. The DE has a closed-loop air recirculation system. The breather filter also equalizes the internal air pressure with the atmospheric pressure due to surrounding temperature changes. (6) Read/write circuit The read/write circuit utilizes a read channel mounted with a head IC...
... filter will trap any dust generated inside the DE contaminant free. The DE has a closed-loop air recirculation system. The breather filter also equalizes the internal air pressure with the atmospheric pressure due to surrounding temperature changes. (6) Read/write circuit The read/write circuit utilizes a read channel mounted with a head IC...
Manual/User Guide
Page 37
...Spare areas (alternate areas) for details. See Subsection 3.1.2 for defective sectors are allocated as alternate areas according to the user space, Internal test space, and system space. The system space is accessed inside the IDD at power-on the IDD. 3.1 Data Space The IDD... Several sectors in the last track of one cylinder and several cylinders (alternate cylinders) in the user space are provided in Section 3.2. The internal test space is the cylinder configuration. C141-E166 3-1 CHAPTER 3 DATA FORMAT 3.1 Data Space 3.2 Logical Data Block Addressing 3.3 Defect Management This...
...Spare areas (alternate areas) for details. See Subsection 3.1.2 for defective sectors are allocated as alternate areas according to the user space, Internal test space, and system space. The system space is accessed inside the IDD at power-on the IDD. 3.1 Data Space The IDD... Several sectors in the last track of one cylinder and several cylinders (alternate cylinders) in the user space are provided in Section 3.2. The internal test space is the cylinder configuration. C141-E166 3-1 CHAPTER 3 DATA FORMAT 3.1 Data Space 3.2 Logical Data Block Addressing 3.3 Defect Management This...
Manual/User Guide
Page 38
...capacity. 3-2 C141-E166 Tables 3.1 to ~ Cylinder -4 Cell Cylinder ~ 0 0 1 . 13 14 1 15 . 27 . m (1) n Internal test cylinder SAS69 • SA0 ~ Internal test space ~ ~ System space ~ User Space for Cell 0-0 Spare Sectors per Cell 0 User Space for Cell 1-0 Spare Sectors per Cell 1 ...User space (Primary Cylinder 0 - (n - 1)) User Space for Cell P1-0 Spare Sectors per Cell P1 Alternate Cylinder User Space for Cell yy-17 n = MAP3147NC...
...capacity. 3-2 C141-E166 Tables 3.1 to ~ Cylinder -4 Cell Cylinder ~ 0 0 1 . 13 14 1 15 . 27 . m (1) n Internal test cylinder SAS69 • SA0 ~ Internal test space ~ ~ System space ~ User Space for Cell 0-0 Spare Sectors per Cell 0 User Space for Cell 1-0 Spare Sectors per Cell 1 ...User space (Primary Cylinder 0 - (n - 1)) User Space for Cell P1-0 Spare Sectors per Cell P1 Alternate Cylinder User Space for Cell yy-17 n = MAP3147NC...
Manual/User Guide
Page 40
... located at the end of 8 cylinders and outer-host cylinder is 84. 3-4 C141-E166 The user cannot change the number of cylinders in the Internal test space or their positions. (3) System space The system space is an area for exclusive use of the IDD itself and the following information are...and an alternate cylinder allocated to each zone. Note: The system space is always 512KByte. These spare sectors are located in ascending order. The Internal test space consists of the last track as an alternate cylinder. If the number of cylinders do not reach the maximum, the rest of spare...
... located at the end of 8 cylinders and outer-host cylinder is 84. 3-4 C141-E166 The user cannot change the number of cylinders in the Internal test space or their positions. (3) System space The system space is an area for exclusive use of the IDD itself and the following information are...and an alternate cylinder allocated to each zone. Note: The system space is always 512KByte. These spare sectors are located in ascending order. The Internal test space consists of the last track as an alternate cylinder. If the number of cylinders do not reach the maximum, the rest of spare...
Manual/User Guide
Page 76
...drive in an antistatic vinyl pack. b) It is recommended to connect or disconnect connections when power is turned on the outside of the DE and screws. (3) Installation/removal/replacement a) Do not attempt to use the same cushions and packages as a desk. b) Be careful not to give excess pressure to the internal...CN2. (NP model) b) Do not move the drive when power is on hard material such as those at delivery cannot be altered are not damaged. Check that the drive is not turned over. (5) Delivery a) When delivering the drive, provide packaging and do not turn it over. ...
...drive in an antistatic vinyl pack. b) It is recommended to connect or disconnect connections when power is turned on the outside of the DE and screws. (3) Installation/removal/replacement a) Do not attempt to use the same cushions and packages as a desk. b) Be careful not to give excess pressure to the internal...CN2. (NP model) b) Do not move the drive when power is on hard material such as those at delivery cannot be altered are not damaged. Check that the drive is not turned over. (5) Delivery a) When delivering the drive, provide packaging and do not turn it over. ...
Manual/User Guide
Page 93
... ECC error correction • Retry count at write operation • Recovery time limit Default value 1 (enabled) 1 (enabled) 1 (enabled) 1 (enabled) 0 (disabled) 0 (Correction is assumed as IDD internal error recovery: a. The saved value of each parameter after the power-on, the RESET condition, or the BUS DEVICE RESET message. The INIT can change...
... ECC error correction • Retry count at write operation • Recovery time limit Default value 1 (enabled) 1 (enabled) 1 (enabled) 1 (enabled) 0 (disabled) 0 (Correction is assumed as IDD internal error recovery: a. The saved value of each parameter after the power-on, the RESET condition, or the BUS DEVICE RESET message. The INIT can change...
Manual/User Guide
Page 98
Seek test This test checks the positioning operation of the disk drive using the Internal test space of the disk drive. (1) Initial self-diagnostics When power is turned on track 0 after completion of the seek operation to all I/O operation requests other than the REQUEST SENSE...6-2 C141-E166 Only when the power is checked with the initial self-diagnostics. The positioning operation is turned off or re-turned on the drive front panel blinks. Brief test contents of self-diagnostics are posted, the LED continues blinking. Hardware function test This test checks the basic operation...
Seek test This test checks the positioning operation of the disk drive using the Internal test space of the disk drive. (1) Initial self-diagnostics When power is turned on track 0 after completion of the seek operation to all I/O operation requests other than the REQUEST SENSE...6-2 C141-E166 Only when the power is checked with the initial self-diagnostics. The positioning operation is turned off or re-turned on the drive front panel blinks. Brief test contents of self-diagnostics are posted, the LED continues blinking. Hardware function test This test checks the basic operation...
Manual/User Guide
Page 99
... reply to the SCSI bus for up to 1, the IDD executes the hardware function test, seek (positioning) test, and data write/read test for the Internal test space only once. The executable command under the exception condition of the command queuing is issued at the time of the initial self-diagnostics...
... reply to the SCSI bus for up to 1, the IDD executes the hardware function test, seek (positioning) test, and data write/read test for the Internal test space only once. The executable command under the exception condition of the command queuing is issued at the time of the initial self-diagnostics...
Manual/User Guide
Page 101
... during maintenance and troubleshooting: C141-E166 6-5 To avoid injury, do not touch the mechanical assembly during disk drive operation. 3. (1) Interface (SCSI bus) test The operations of the SCSI bus and data buffer on the IDD are checked with the WRITE BUFFER and... the READ, READ EXTENDED, or VERIFY command. (4) Write/read test By using a data block in the internal test space, the write/read test can be executed with an arbitrary pattern for a disk drive in which user data is stored. 6.2 Maintenance Information 6.2.1 Precautions Take the following precautions to prevent injury during ...
... during maintenance and troubleshooting: C141-E166 6-5 To avoid injury, do not touch the mechanical assembly during disk drive operation. 3. (1) Interface (SCSI bus) test The operations of the SCSI bus and data buffer on the IDD are checked with the WRITE BUFFER and... the READ, READ EXTENDED, or VERIFY command. (4) Write/read test By using a data block in the internal test space, the write/read test can be executed with an arbitrary pattern for a disk drive in which user data is stored. 6.2 Maintenance Information 6.2.1 Precautions Take the following precautions to prevent injury during ...
Manual/User Guide
Page 124
...example ........4-22 external operator panel connector ....... 4-13, 4-14 F factory maintenance (parts replacement) ........6-8 field maintenance (disk drive replacement) ....6-8 finding possibly faulty part 6-16 format capacity 3-9 format of extended sense data 7-2 format parameter 5-17 FORMAT ...check 6-12 initial self-diagnostic 6-2 installation 5-1 installation requirement 4-1 installation/removal/replacement 5-2 interface (SCSI bus) test 6-5 internal test space 3-4 L large capacity 1-5 leak magnetic flux 4-7 limitation of bottom-mounting 4-5 limitation of side-mounting 4-5 ...
...example ........4-22 external operator panel connector ....... 4-13, 4-14 F factory maintenance (parts replacement) ........6-8 field maintenance (disk drive replacement) ....6-8 finding possibly faulty part 6-16 format capacity 3-9 format of extended sense data 7-2 format parameter 5-17 FORMAT ...check 6-12 initial self-diagnostic 6-2 installation 5-1 installation requirement 4-1 installation/removal/replacement 5-2 interface (SCSI bus) test 6-5 internal test space 3-4 L large capacity 1-5 leak magnetic flux 4-7 limitation of bottom-mounting 4-5 limitation of side-mounting 4-5 ...