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ATA Bus Interface and ATA Commands
6-40 Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT
NORMAL OUTPUTS - None
ERROR OUTPUTS - If the device does not support this command, if SMART is
disabled or if the values in the Features, Cylinder Low or Cylinder High registers
are invalid, an Aborted command error is posted.
PREREQUISITES - DRDY set equal to one. SMART enabled.
DESCRIPTION - This command enables and disables the optional attribute
autosave feature of the device. Depending upon the implementation, this command
may either allow the device, after some vendor specified event, to automatically save
its updated attribute values to non-volatile memory; or this command may cause the
autosave feature to be disabled. The state of the attribute autosave feature (either
enabled or disabled) will be preserved by the device across power cycles.
A value of zero written by the host into the device’s Sector Count register before
issuing this command will cause this feature to be disabled. Disabling this feature
does not preclude the device from saving attribute values to non-volatile memory
during some other normal operation such as during a power-on or power-off
sequence or during an error recovery sequence.
A value of F1h written by the host into the device’s Sector Count register before
issuing this command will cause this feature to be enabled. Any other meaning of
this value or any other non-zero value written by the host into this register before
issuing this command is vendor specific. The meaning of any non-zero value written
to this register at this time will be preserved by the device across power cycles.
If the SMART ENABLE/DISABLE ATTRIBUTE AUTOSAVE command is
supported by the device, upon receipt of the command from the host, the device sets
BSY, enables or disables the autosave feature (depending on the implementation),
clears BSY and asserts INTRQ.
If this command is not supported by the device, the device shall abort the command
upon receipt from the host, returning the Aborted command error.
During execution of the autosave routine the device shall not assert BSY nor
deassert DRDY. If the device receives a command from the host while executing its
autosave routine it must respond to the host within two seconds.
Register
RegisterRegister
Register 7
77
76
66
65
55
54
44
43
33
32
22
21
11
10
00
0
Error na UNC na IDNF na ABRT na na
Sector Count na
Sector Number na
Cylinder Low na
Cylinder High na
Device/Head obs na obs DEV na
Status BSY DRDY DF na DRQ na na ERR
- December 12, 2000 1
- 81-121729-04 1
- UL/CSA/TUV/CE 2
- SERVICE CENTERS 2
- Table of Contents 3
- Chapter 4 4
- SPECIFICATIONS 4
- Chapter 5 4
- Chapter 6 5
- List of Figures 6
- List of Tables 7
- List of TablesList of Tables 7
- Table of Contents 8
- About This Manual 10
- REFERENCES 11
- 1.4 REFERENCES 11
- REFERENCESREFERENCES 11
- General Description 14
- 3.1 SPACE REQUIREMENTS 17
- SPACE REQUIREMENTS 17
- 3.2 UNPACKING INSTRUCTIONS 18
- UNPACKING INSTRUCTIONS 18
- Installation 19
- 3.3 HARDWARE OPTIONS 20
- HARDWARE OPTIONS 20
- 3.3.13.3.1 21
- Cable Select (CS) Jumper 21
- (DS jumper installed or CS 22
- 3.3.53.3.5 23
- 3.3.5 Alternate Capacity (AC) 23
- Alternate Capacity (AC) 23
- J1 Power Connector, Section A 28
- 3.103.10 33
- SYSTEM STARTUP AND OPERATION 33
- 4.1 SPECIFICATION SUMMARY 35
- SPECIFICATION SUMMARY 35
- Specifications 36
- 4.4 TIMING SPECIFICATIONS 38
- TIMING SPECIFICATIONS 38
- 4.5.34.5.3 40
- 4.5.3 Power Requirements 40
- Power Requirements 40
- 4.6 ACOUSTICS 41
- ACOUSTICSACOUSTICS 41
- ACOUSTICS 41
- 4.9 SHOCK AND VIBRATION 43
- SHOCK AND VIBRATION 43
- Basic Principles of Operation 47
- RG, WG) and Command 52
- 5.2.25.2.2 53
- 5.2.2 Read/Write ASIC 53
- Read/Write ASIC 53
- 5.3.25.3.2 57
- Head and Cylinder Skewing 57
- 5.3.35.3.3 58
- 5.3.45.3.4 60
- 5.3.4 Defect Management 60
- Defect Management 60
- Signal Line Definitions 70
- 6.4.26.4.2 71
- 6.4.2 Host Interface Timing 71
- Host Interface Timing 71
- PIO Host Interface Timing 72
- PIO Interface Timing 72
- Initiating a Data In Burst 77
- Sustained Data In Burst 77
- Host Pausing a Data In Burst 78
- Initiating a Data Out Burst 79
- Sustained Data Out Burst 80
- Figure 6-11 81
- Figure 6-11 Figure 6-11 81
- Host Interface RESET Timing 82
- 6.5 REGISTER ADDRESS DECODING 83
- REGISTER ADDRESS DECODING 83
- Device Control Register Bits 85
- 6.6.26.6.2 86
- 6.6.2 Command Block Registers 86
- Command Block Registers 86
- Error Register Bits 87
- Drive Head Register Bits 88
- Status Register Bits 89
- 6.7.26.7.2 92
- 6.7.2 Read Sectors 92
- Read SectorsRead Sectors 92
- Read Sectors 92
- 6.7.36.7.3 93
- 6.7.3 Write Sectors 93
- Write SectorsWrite Sectors 93
- Write Sectors 93
- 6.7.46.7.4 94
- 6.7.4 Read Verify Sectors 94
- Read Verify Sectors 94
- 6.7.56.7.5 95
- 6.7.5 Seek 95
- SeekSeek 95
- 6.7.66.7.6 96
- Execute Drive Diagnostics 96
- 6.7.76.7.7 98
- INITIALIZE DRIVE PARAMETERS 98
- 6.7.86.7.8 99
- 6.7.8 Download Microcode 99
- Download Microcode 99
- 6.7.96.7.9 100
- 6.7.9 SMART 100
- SMARTSMART 100
- Device SMART Data Structure 106
- 6.7.116.7.11 111
- 6.7.11 Write Multiple Sectors 111
- Write Multiple Sectors 111
- 6.7.126.7.12 112
- 6.7.12 Set Multiple Mode 112
- Set Multiple Mode 112
- 6.7.136.7.13 113
- 6.7.13 Read DMA 113
- Read DMARead DMA 113
- Read DMA 113
- 6.7.146.7.14 114
- 6.7.14 Write DMA 114
- Write DMAWrite DMA 114
- Write DMA 114
- 6.7.156.7.15 116
- 6.7.15 STANDBY IMMEDIATE 116
- STANDBY IMMEDIATE 116
- 6.7.166.7.16 117
- 6.7.16 IDLE IMMEDIATE 117
- IDLE IMMEDIATEIDLE IMMEDIATE 117
- IDLE IMMEDIATE 117
- 6.7.176.7.17 118
- 6.7.17 STANDBY 118
- STANDBYSTANDBY 118
- 6.7.186.7.18 119
- 6.7.18 IDLE 119
- IDLEIDLE 119
- 6.7.196.7.19 120
- 6.7.19 READ BUFFER 120
- READ BUFFERREAD BUFFER 120
- READ BUFFER 120
- 6.7.206.7.20 121
- 6.7.20 CHECK POWER MODE 121
- CHECK POWER MODE 121
- 6.7.216.7.21 122
- 6.7.21 SLEEP 122
- SLEEPSLEEP 122
- 6.7.226.7.22 123
- 6.7.22 FLUSH CACHE 123
- FLUSH CACHEFLUSH CACHE 123
- FLUSH CACHE 123
- 6.7.236.7.23 124
- 6.7.23 WRITE BUFFER 124
- WRITE BUFFERWRITE BUFFER 124
- WRITE BUFFER 124
- 6.7.246.7.24 125
- 6.7.24 IDENTIFY DRIVE 125
- IDENTIFY DRIVE 125
- Identify Drive Parameters 127
- Transfer/Mode Values 133
- 6.7.276.7.27 134
- 6.7.27 Read Defect List 134
- Read Defect List 134
- DEFECT LIST DATA FORMAT 136
- DEFECT ENTRY DATA FORMAT 136
- 6.7.286.7.28 137
- 6.7.28 Configuration 137
- ConfigurationConfiguration 137
- Configuration 137
- Configuration Command Format 140
- 6.7.296.7.29 141
- Host Protected Mode Feature 141
- 6.8 ERROR REPORTING 148
- ERROR REPORTING 148
- GLOSSARY 151
- GLOSSARYGLOSSARY 151
- Glossary 152
- INDEXINDEX 159
- I-3 161
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