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C156-E224-01EN xi
CHAPTER 4 Host Interface............................................................................ 4-1
4.1 Interface Connector ......................................................................................4-1
4.2 Various Processes.........................................................................................4-4
4.2.1 Reset response.......................................................................................4-4
4.2.2 Defective sector management ...............................................................4-4
4.2.3 Automatic alternate sector assignment function....................................4-4
4.2.4 Cache function.......................................................................................4-5
4.2.4.1 Data buffer ....................................................................................4-5
4.2.4.2 Read cache ....................................................................................4-5
4.2.4.3 MO write cache.............................................................................4-6
4.2.5 Power management function.................................................................4-6
4.2.6 Power mode...........................................................................................4-6
4.2.6.1 Active mode..................................................................................4-7
4.2.6.2 Pre-idle mode ................................................................................4-7
4.2.6.3 Idle mode.......................................................................................4-7
4.2.6.4 Standby mode................................................................................4-7
4.2.6.5 Standby timer................................................................................4-7
4.2.6.6 Power mode transition...................................................................4-8
4.2.7 LED indications.....................................................................................4-9
4.3 SCSI Commands ........................................................................................4-10
4.3.1 TEST UNIT READY command .........................................................4-11
4.3.2 INQUIRY............................................................................................4-11
4.3.3 READ CAPACITY command ............................................................4-13
4.3.4 MODE SELECT command.................................................................4-13
4.3.5 MODE SENSE command ...................................................................4-22
4.3.6 START/STOP UNIT command..........................................................4-24
4.3.7 RESERVE command ..........................................................................4-25
4.3.8 RELEASE command...........................................................................4-26
4.3.9 REQUEST SENSE command.............................................................4-26
4.3.10 PREVENT/ALLOW MEDIUM REMOVAL command ....................4-31
4.3.11 READ (6) command............................................................................4-32
4.3.12 READ (10) command..........................................................................4-32
4.3.13 VERIFY command..............................................................................4-33
4.3.14 WRITE (6) command..........................................................................4-33
4.3.15 WRITE (10) command........................................................................4-34
4.3.16 WRITE AND VERIFY .......................................................................4-34
4.3.17 SEEK (6) command.............................................................................4-35
4.3.18 SEEK (10) command...........................................................................4-35
4.3.19 ERASE command ...............................................................................4-36
4.3.20 SYNCHRONIZE CACHE command .................................................4-36