Product Manual
Page 19
...rate in asynchronous mode may be limited by specifying block number in case the subsequent command requests the prefetched data blocks. The write cache feature is logical block address. This feature provides the suitable usage environment for completion of data blocks is supported. The initiator can ...maximum data transfer rate in synchronous mode may be achieved by the response time of initiator and the length of the disk drive. (8) Cache feature After executing the READ command, the HDD reads automatically and stores (prefetches) the subsequent data blocks into the data buffer (Read...
...rate in asynchronous mode may be limited by specifying block number in case the subsequent command requests the prefetched data blocks. The write cache feature is logical block address. This feature provides the suitable usage environment for completion of data blocks is supported. The initiator can ...maximum data transfer rate in synchronous mode may be achieved by the response time of initiator and the length of the disk drive. (8) Cache feature After executing the READ command, the HDD reads automatically and stores (prefetches) the subsequent data blocks into the data buffer (Read...
Product Manual
Page 20
IMPORTANT Error rate increase 1. The Recoverable Error of the drive might increase when the format would be specified at factory shipment is generally 512 byte. 2. This feature realizes the high speed processing. (10) Reserve and ... data buffer. The Recoverable Error referred in fixed-block length units. IMPORTANT When Write cache is enabled, you should ensure that the cached data is surely flushed to the disk media before you should issue either the SYNCHRONIZE CACHE command or the STOP UNIT command with specifying "0" to the Immediate bit and then...
IMPORTANT Error rate increase 1. The Recoverable Error of the drive might increase when the format would be specified at factory shipment is generally 512 byte. 2. This feature realizes the high speed processing. (10) Reserve and ... data buffer. The Recoverable Error referred in fixed-block length units. IMPORTANT When Write cache is enabled, you should ensure that the cached data is surely flushed to the disk media before you should issue either the SYNCHRONIZE CACHE command or the STOP UNIT command with specifying "0" to the Immediate bit and then...
Product Manual
Page 49
... data block if recovery is executed but the alternate block assignment processing for the data block. When an error is detected in a data block in Cache, - 2) Application requirements / processing When WRITE/WRITE EXTENDED command detects any Servo error (e.g. Write offtrack error) and cannot be processed in this WRITE commands are logically...
... data block if recovery is executed but the alternate block assignment processing for the data block. When an error is detected in a data block in Cache, - 2) Application requirements / processing When WRITE/WRITE EXTENDED command detects any Servo error (e.g. Write offtrack error) and cannot be processed in this WRITE commands are logically...
Product Manual
Page 93
... again. Although the HDD operations are assured with the MODE SELECT or MODE SELECT EXTENDED command: • Error recovery parameter • Disconnection/reconnection parameter • Caching parameter • Control mode parameter With the MODE SELECT or MODE SELECT EXTENDED command, specify 1 for the "SP" bit on CDB to operate by the...
... again. Although the HDD operations are assured with the MODE SELECT or MODE SELECT EXTENDED command: • Error recovery parameter • Disconnection/reconnection parameter • Caching parameter • Control mode parameter With the MODE SELECT or MODE SELECT EXTENDED command, specify 1 for the "SP" bit on CDB to operate by the...
Product Manual
Page 96
...access rate can be increased by the caching parameter, these parameter settings have no meaning except write cache feature. 2. Parameter • IC: Initiator control • RCD: Disabling Read-Ahead caching operations • WCE: Write Cache Enable • MF: Specifying the ...absolute value) 1 (enable) X'FFFF' X'0000' X' 0000' X'FFFF' X'08' Notes: 1. When Read-Ahead caching operations are disabled by enabling Read-Ahead caching operations and Write Cache feature. (4) Control mode parameters (page code = A) The following parameters are used to control the tagged queuing and...
...access rate can be increased by the caching parameter, these parameter settings have no meaning except write cache feature. 2. Parameter • IC: Initiator control • RCD: Disabling Read-Ahead caching operations • WCE: Write Cache Enable • MF: Specifying the ...absolute value) 1 (enable) X'FFFF' X'0000' X' 0000' X'FFFF' X'08' Notes: 1. When Read-Ahead caching operations are disabled by enabling Read-Ahead caching operations and Write Cache feature. (4) Control mode parameters (page code = A) The following parameters are used to control the tagged queuing and...
Product Manual
Page 130
P/N PCBA PER PLO Sync PMI P Parts/Number Printed Circuit Board Assembly Post ERror Phase Lock Oscillator Syncronous Partial Medium Indicator RCD REQ RH RST R Read Cache Disable REQuest Relative Humidity ReSeT S/N SCSI SCT SEL SelfTest SG SP SPM S Serial/Number Small Computer System Interface SeCTor SELect Self Test Signal Ground Save Page SPindle Motor TB TPI UnitOfl T Transfer Block Tracks Per Inch U Unit Offline VCM V Voice Coil Motor WCE W Write Cache Enable 126 Downloaded from www.Manualslib.com manuals search engine C141-E270
P/N PCBA PER PLO Sync PMI P Parts/Number Printed Circuit Board Assembly Post ERror Phase Lock Oscillator Syncronous Partial Medium Indicator RCD REQ RH RST R Read Cache Disable REQuest Relative Humidity ReSeT S/N SCSI SCT SEL SelfTest SG SP SPM S Serial/Number Small Computer System Interface SeCTor SELect Self Test Signal Ground Save Page SPindle Motor TB TPI UnitOfl T Transfer Block Tracks Per Inch U Unit Offline VCM V Voice Coil Motor WCE W Write Cache Enable 126 Downloaded from www.Manualslib.com manuals search engine C141-E270