Caching 57 Caching, Wce | Fujitsu MCJ3230AP specification

Host Interface

4.6.4.3 Caching page

Table 4.57 Caching page

Bit	7	6	5	4		3	2	1	0
Byte

0	PS (1)	0				Page Code (08h)

1				Page Length (12h)

2			Reserved				WCE	Reserved	RCD

3-19					Reserved

When the WCE (Write Cache Enable) bit is 0, the write cache function for the WRITE (10), or WRITE AND VERIFY command is disabled. When the bit of WCE is 1, the write cache function is enabled.

When the RCD (Read Cache Disable) bit is 0, the read ahead cache function for the READ (10) command is enabled. When the bit of RCD is 1, the read ahead cache function is disabled.

The caching page can be saved.

Table 4.58 Changeable values in the caching page

Bit	7		6	5	4		3	2		1	0
Byte

2	0		0	0	0		0	1		0	1

3-19						00h

		Table 4.59 Default values for the caching page

Bit	7		6	5	4		3	2		1	0
Byte

2	0		0	0	0		0	1		0	0

3-19						00h

4-50	C156-E205-01EN

Image 122

Fujitsu MCJ3230AP manual Caching 57 Caching, Wce, Changeable values in the caching

Contents

MCJ3230AP Optical Disk Drive Product Manual For Safe Operation Handling of This Manual Revision History This page is intentionally left blank Page Preface Overview of Manual Acronyms and Abbreviations Conventions for Alert MessagesGlossary Preface Disclaimer Device damage Important Alert ItemsImportant Alert Messages Important Alert Items This manual ISO/IEC JTC1 *1 ATA/ATAPI-5Ansi Fujitsu Limited Contents Contents Host Interface Reset response Signature Read Long command Receive Diagnostic Results command Operation and Cleaning IN-1 GL-1AB-1 Illustrations Figures Tables GET Media Status command Mode Parameter List Mode Parameter Header Head cleaner Page This page is intentionally left blank Features General Description Performance Reliability Maintainability/operability ATA/ATAPI-4 AdaptabilityInterface Features Drive Configuration Drive model Configuration Mechanical sections Control circuit section block diagram Control circuit section Drive Configuration System Configuration System configuration with one optical disk drive Model and product number SpecificationsOptical Disk Drive Specifications Model and order number Drive specifications Specifications 1 Specifications 2 Optical disk cartridge MB media GB media Density Environmental and power requirements Environmental and power requirements 1 Error rate Environmental and power requirements 2 MTBF= Recommended optical disk cartridge specifications Optical Disk Cartridge SpecificationsRecommended optical disk cartridge specifications Optical disk cartridge Optical disk cartridge Optical Disk Cartridge Specifications Disk specifications Disk specifications Defect management schematic diagram Defect Management Example of alternate processing Environmental Requirements Installation RequirementsTemperature measurement point Surface temperature measurement points Air flow Temperature requirements and measuring methodTemperature requirements at measurement points Air purity Temperature rise under several conditionsTemperature at each measuring point Reference External dimensions Mounting Requirements Dimensions Dimensions without panel Installation direction Installation directions Centers of gravity Centers of gravity Mounting frame structure Service clearance Power Supply Requirements Current waveform +5 VDC CN1 Drive connectorsCable Connections +5 VDC Return GND Drive connection Cable connector specificationsCable connector specifications Mode setting Jumper SettingsJumper settings at factory shipping 13 Slave device setting 15 Cable select examples General notes Page 16 Packing style Checks before mounting the drive Mounting procedureMounting Confirming initial operations Dismounting Drive Connection check Installation Requirements Host Interface Connector pin assignments 1/2 Pin Assignment Connector pin assignments 2/2 Signal Description Signal description 1/2 Signal description 2/2 I/O port functions and mapping Interface Registers1 I/O registers DA1 DA0 Bit definitions of Alternate Status register ATA Command registerAlternate Status register Data register Atapi Byte Count register Drive Address registerBit definitions of Drive Address register Bit definitions of Atapi Byte Count register Atapi Block Device Select register Error registerBit definitions of Error register Bit definitions of Atapi Block Device Select register 10 Bit definitions of Atapi Features register ATA Features registerAtapi Features register ATA Sector Count register 12 I/O and C/D 1.13 Sector Number register1.14 Atapi Status register BSY Drdy Host Interface Reset response Various Processes Automatic alternate sector assignment function SignatureDefect sector management Read cache Cache functionData buffer Media status notification function MO write cache Active mode Power management functionPower mode Pre-idle mode Sleep mode Idle modeStandby mode Standby timer Power mode transition Unsupported functions LED Indications 16 LED indications ATA Commands 17 Command codes and parameters Check Power Mode E5h 19 Power mode indication 20 Device Reset command Device Reset 08hExecute Device Diagnostic 90h When device 1 is connected 22 Self-diagnosis detailed code Flush Cache E7h 23 Flush Cache command24 GET Media Status command GET Media Status DAh 25 Error register Identify Packet Device A1h 27 Device parameter information 1/6 27 Device parameter information 2/6 27 Device parameter information 3/6 27 Device parameter information 4/6 27 Device parameter information 5/6 27 Device parameter information 6/6 Idle Immediate E1h 28 Idle Immediate command29 NOP command NOP 00h 30 Packet command Packet A0h 32 FR register setting value SET Features EFh31 SET Features command DEV 35 Cylinder High register 33 Transfer setting values in the SC register34 Cylinder Low register 36 Sleep command Sleep E6h Standby Immediate E0h Packet Commands 38 Packet command codes and parameters Erase command 39 Erase command 41 Format Unit parameter list Format Unit command40 Format Unit command Inquiry command 43 Inquiry command 44 Inquiry data RMB 46 Mode parameters Mode Select 6 command45 Mode Select 6 command 49 Block descriptor 47 Mode parameter list48 Mode parameter header 50 Mode Page Format Read-Write error recovery 52 Changeable values in the read-write recovery Flexible disk 54 Flexible disk 55 Changeable values in flexible disk 58 Changeable values in the caching Caching 57 CachingWCE Power Condition 60 Power Condition 61 Power Condition Page Variable Verify Control 63 Verify Control 62 Power Condition Page Default value64 Verify Mode 67 Mode Select 10 command Mode Select 10 commandVerify Control Page default value Verify Control Page variable 68 Mode Parameter List 69 Mode Parameter Header 71 Page Control field Mode Sense 6 command70 Mode Sense 6 command 72 Mode parameter list 73 Mode parameter header 76 Mode Sense 10 command Mode Sense 10 command75 Mode Page Format 74 Block descriptor 77 Mode Parameter List 78 Mode Parameter Header 80 Response to Prevent/Allow/Eject PREVENT/ALLOW Medium Removal command79 PREVENT/ALLOW Medium Removal command START/STOP Unit Sense KEY 81 Read 10 command Read 10 commandRead Capacity command 82 Read Capacity command 83 Read Capacity data 11READ Format Capacities command84 Read Format Capacities command 85 Read Format Capacities data format 87 Current/Maximum capacity descriptor Read Defect Data 10 command89 Read Defect Data 10 command 88 Descriptor code definition 90 Defect List Format Read Defect Data 91 Defect List Header Read Defect Data 93 Sector Address Format Read Defect Data 12 command94 Read Defect Data 12 command 95 Defect List Format Read Defect Data 96 Defect List Header Read Defect Data Read Long command97 Read Long command Request Sense command 99 Request Sense command Receive Diagnostic Results command98 Receive Diagnostic Results command 101 Error code 100 Request sense data 102 Sense Key code 103 Logical block address format 104 ASC/ASCQ list 1/2 104 ASC/ASCQ list 2/2 105 Format Progress Indication Bytes 106 Send Diagnostic command Send Diagnostic commandSeek command 107 Seek command 109 START/STOP/EJECT processing START/STOP Unit command108 START/STOP Unit command 110 Synchronize Cache command Synchronize Cache commandTest Unit Ready command 111 Test Unit Ready command 112 Verify command Verify commandWrite 10 command 113 Write 10 command Write and Verify command 114 Write and Verify command Tnfy Write Buffer command115 Write Buffer command Write Long command 116 Write Long command Write TimingRegister/PIO data transfer timing Read 117 Register/PIO data transfer timing parameters Multiword DMA data transfer timing Dmarq Dmack DIOR/DIOW Read 118 Multiword DMA data transfer timing parameters Ultra DMA data in transfer initialization timing Ultra DMA data in transfer continuous transfer timing Ultra DMA data in transfer host stop timing Ultra DMA data in transfer device end timing Ultra DMA data in transfer host end timing Ultra DMA data in transfer host end timing Ultra DMA data out transfer initialization timing Ultra DMA data out transfer continuous transfer timing Ultra DMA data out transfer device stop timing 11 Ultra DMA data out transfer device stop timing Ultra DMA data out transfer host suspend timing 12 Ultra DMA data out transfer host suspend timing Ultra DMA data out transfer device end timing 13 Ultra DMA data out transfer device end timing 119 Ultra DMA data out transfer parameter Power-on and Reset Timing 14 Power-on and reset timing 120 Power-on and reset timing This page is intentionally left blank Operation and Cleaning Operating Optical Disk Drive Optical disk drive Optical disk drive front view with panel Inserting cartridge Operating Optical Disk Drive Inserting cartridge Ejecting removing cartridge Removing cartridge Cleaning Drive Head cleaner Optical Disk Cartridge Operation Optial disk cartridge Write protect tab Write protect tab How to affix an index label on the MO cartridge See figure How to stick an index label on the MO cartridge Operation and Cleaning Cleaning kit Cleaning Optical Disk CartridgeCleaning tool Packed items cleaning kit Cleaning procedure Cleaning procedure Cleaning procedure 10 Cleaning procedure Diagnosis Diagnosis and MaintenanceSelf-diagnostic function Test program Diagnostic commandInitial self-diagnosis Maintenance Information Maintenance requirements Revision number REV. no Glossary Recording power Error correction codeError detection and correction Disk reference surface Status This page is intentionally left blank Acronyms and Abbreviations OEM ODDODF PCA Index Execute Device Diagnostic 4-23 Execute Device Diagnostic Index General description 1-1 General notes Receive Diagnostic Results Index This page is intentionally left blank Fujitsu Limited This page is intentionally left blank READER’S Comment Form MCJ3230AP Optical Disk