Fujitsu MCM3064AP User Manual Page 38
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Specifications
2-6 C156-E227-01EN
2.1.5 Reliability
(1) Mean time between failures (MTBF)
The MTBF is 120,000 hours or more. Failures due to disk errors are not included.
Conditions
•
Power-on time: 200 hours/month or less
•
LD-on time: 20% or less of power-on time
•
Ambient temperature: 25°C
Note: The MTBF is defined as follows:
MTBF =
1) Operating time is the total time in which power is supplied.
2) Device failures include failures requiring repair, readjustment, or
replacement. However, they do not include failures that are not due to the
optical disk drive itself but to external factors such as careless device
handling, nonsupport of environmental requirements, power failures, host
system errors, and interface cable errors.
(2) Service Life
This drive will not require overhaul within the first five years of installation if
properly maintained (both disk media and optical parts cleaned) and handled as
recommended.
Data loss:
Data is not guaranteed if a power failure occurs or the I/F cable is
pulled out while:
• Data is being written to a data block
• A disk is being initialized (formatted)
• Defect processing is in progress
Data is not guaranteed either if the drive is moved with the optical
disk cartridge inserted or the drive is exposed to excessive shock or
vibration.
Total operating time in all fields (hours)
Number of device failure in all fields
- MCM3064AP, MCM3130AP 1
- OPTICAL DISK DRIVES 1
- PRODUCT MANUAL 1
- FOR SAFE OPERATION 2
- Revision History 3
- Overview of Manual 5
- Attention 7
- Important Alert Items 10
- C156-E227-01EN vii 11
- REFERENCED STANDARDS 12
- Contents 13
- Illustrations 18
- CHAPTER 1 General Description 23
- 1.1.2 Reliability 25
- 1.1.4 Adaptability 25
- 1.1.5 Interface 26
- 1.2.1 Appearance 28
- 1.2.2 Configuration 29
- 1.2.3 Mechanical section 29
- 1.2.4 Control circuit section 30
- CHAPTER 2 Specifications 33
- 2.1.4 Error rate 37
- 2.1.5 Reliability 38
- 2.2.2 Appearance 40
- 2.2.3 Specifications of disk 42
- 2.3 Defect Management 43
- Tip of thermocouple 46
- Opening of disk outer wall 46
- 3.2 Mounting Requirements 47
- Installation Requirements 48
- 3-4 C156-E227-01EN 48
- C156-E227-01EN 3-5 49
- 3-6 C156-E227-01EN 50
- C156-E227-01EN 3-7 51
- 3-8 C156-E227-01EN 52
- 3.2.2 Installation direction 53
- 3.2.3 Center of gravity 54
- 3.2.4 Precautions on mounting 55
- 3.3 Power Supply Requirements 57
- 3.4 Cable Connections 58
- 3.5 Jumper Settings 60
- 3.5.2 Mode settings 61
- C156-E227-01EN 3-21 65
- 3-22 C156-E227-01EN 66
- 3.7 Mounting of Drive 67
- 3.8 Cable Connections 68
- 3.9.2 Connection check 69
- 3.10 Demounting of Drive 70
- CHAPTER 4 Host Interface 71
- 4.1 Pin Assignment 72
- 4.2 Signal Description 74
- 4.3 Interface Registers 76
- 4.4 Various Processes 83
- 4.4.5 Cache function 86
- Media is 91
- 4.4.8 LED Indications 92
- 4.5 ATA Commands 93
- 4.5.2 PACKET (A0h) 100
- 4.5.3 DEVICE RESET (08h) 101
- 4.5.4 CHECK POWER MODE (E5h) 102
- 4.5.6 GET MEDIA STATUS (DAh) 104
- 4.5.9 SERVICE (A2h) 106
- 4.5.8 NOP (00h) 106
- 4.5.10 SET FEATURES (EFh) 107
- 4.5.11 SLEEP (99h/E6h) 111
- 4.6 Packet Commands 113
- 4.6.1 Logical Unit Number 114
- 4.6.2 ERASE command 114
- 4.6.3 FORMAT UNIT command 115
- 4.6.4 INQUIRY command 116
- 4.6.5 MODE SELECT command 118
- Reserved Reserved 121
- Reserved 121
- 4.6.6 MODE SENSE (10) command 130
- 4.6.7 MODE SENSE (6) command 133
- 4.6.9 READ (10) command 135
- 4.6.10 READ (12) command 135
- 4.6.11 READ CAPACITY command 136
- 4.6.14 READ LONG command 140
- 4.6.16 REQUEST SENSE command 141
- 4.6.18 SEEK command 146
- IMMED Reserved 148
- 4.6.22 VERIFY command 149
- 4.6.23 WRITE (10) command 149
- 4.6.24 Write (12) command 150
- ByteChk Reserved 151
- 4.6.26 WRITE BUFFER command 152
- 4.6.27 WRITE LONG command 154
- 4.7 Timing 155
- 4.7 Timing 159
- C156-E227-01EN 4-89 159
- Host Interface 160
- 4-90 C156-E227-01EN 160
- C156-E227-01EN 4-91 161
- 4-92 C156-E227-01EN 162
- C156-E227-01EN 4-93 163
- 4-94 C156-E227-01EN 164
- C156-E227-01EN 4-95 165
- 5.1.2 Precautions 170
- Press the eject switch 173
- 5.3.1 Appearance 174
- 5.3.2 Write protect tab 176
- 5.3.3 Precautions 177
- 6.1 Diagnostics 183
- 6.2 Maintenance Information 184
- 6.2.2 Revision number 185
- Glossary 187
- C156-E227-01EN GL-3 189
- Acronyms and Abbreviations 191
- MCL3064UA 2-3 196
- MCM3064UB, MCM3130UB 2-2 196
- READER’S COMMENT FORM 199
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