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MHF2021AT, MHF2043AT, MHE2043AT, MHE2064AT
manual
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Models:
MHF2043AT
MHE2043AT
MHE2064AT
MHF2021AT
1
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225 pages
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Specification
Install
Interface signals
Error Rate
Rotational delay
Dimension
Maintenance
Device Configuration
Power-on and reset
Diagnostic code
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Contents
MHE2064AT, MHE2043AT MHF2043AT, MHF2021AT
Disk Drive Product Manual
For Safe Operation
Handling of This Manual
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Revision History
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Preface
Overview of Manual
Conventions for Alert Messages
Operating Environment
Liability Exception
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Important Alert Items
Important Alert Messages
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Disk Drive Maintenance Manual
Manual Organization
Disk Drive Product Manual
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Contents
Contents
Interface
Contents
GL-1
Illustrations
Figures
Tables
Surface temperature measurement points and standard values
Device Overview
Features
Functions and performance
Adaptability
Features
Specifications MHE2064AT/MHE2043AT
Device Specifications
Specifications summary
MHE2064AT MHE2043AT
Format Capacity *1
Model and product number
Power Requirements
Specifications MHE2064AT/2043AT/MHF2043AT/2021AT
Model names and product numbers
Current and power dissipation
Environmental Specifications
Environmental specifications
Acoustic Noise
Acoustic noise specification
Shock and vibration specification
Shock and Vibration
Reliability
MTBF=
Error Rate
Media Defects
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Device Configuration
Device Configuration
Disk drive outerview the MHE Series and MHF Series
Configuration of disk media heads
2 1 drive connection
System Configuration
ATA interface
3 2 drives connection
System Configuration
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Installation Conditions
Dimensions
Dimensions MHE series 1/2
Dimensions MHF series 2/2
Mounting
Orientation Sample MHE2064AT
PCA
Mounting frame structure
Measurement point Temperature
Service area Sample MHE2064AT
Device connector
Cable Connections
Device connection
Cable connector specifications
Cable connector specifications
Berg
Jumper Settings
Power supply connector CN1
Location of setting jumpers
Factory default setting
Master drive-slave drive setting
Csel setting
12 Csel setting
14 Example 2 of Cable Select
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Theory of Device Operation
Disk
Outline
Subassemblies
Head
Spindle
Actuator
Air filter
Circuit Configuration
Circuit Configuration
Power-on Sequence
Self-calibration contents
Self-calibration
Execution timing of self-calibration
Read/write Circuit
Command processing during self-calibration
Self-calibration execution timechart
Read/write preamplifier PreAMP
Write circuit
Write precompensation algorithm
Read/write circuit block diagram
Frequency characteristic of programmable filter
Read circuit
Digital PLL circuit
Servo Control
Servo control circuit
Servo Control
Physical sector servo configuration on disk surface
Servo Control
Data-surface servo format
Servo frame format
Actuator motor control
Spindle motor control
Servo Control
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Interface
Interface signals
Physical Interface
Signal assignment on the connector
Signal assignment on the interface connector
Dasp GND
Stop
Encsel
Diow
Dior
Dasp
Iordy
Ddmardy
Logical Interface
1 I/O registers
I/O registers
DA2 DA1 DA0
Command block registers
UNC Idnf Abrt
Logical Interface
DEV HS3 HS2 HS1 HS0
BSY
DSC DRQ ERR
Interface
Host Commands
Control block registers
Srst
Command code and parameters
Command code and parameters 1
Command code and parameters 2
Command descriptions
Host Commands
Read Multiple X’C4’
Host Commands
Execution example of Read Multiple command
Host Commands
Interface
End head No. /LBA MSB
1F7 HCM 1F6 HDH
Write Multiple X’C5’
Interface
Write Verify X’3C’
Interface
Host Commands
Initialize Device Parameters X’91’
Identify Device X’EC’
Information to be read by Identify Device command 1
Information to be read by Identify Device command 2
Information to be read by Identify Device command 3
Information to be read by Identify Device command 4
Information to be read by Identify Device command 5
Information to be read by Identify Device command 6
Information to be read by Identify Device command 7
SET Features X’EF’
Identify Device DMA X’EE’
Features register values and settable modes
Interface
SET Multiple Mode X’C6’
Interface
SET MAX Address F9
Read Native MAX Address F8
Execute Device Diagnostic X’90’
Diagnostic code
Host Commands
Interface
Write Buffer X’E8’
Interface
Host Commands
Interface
Host Commands
Interface
’FF’
Interface
Features Register values subcommands and functions
’DA’
Format of device attribute value data
1FF
Format of insurance failure threshold value data
Host Commands
Interface
Host Commands
10 Contents of security password
At command issuance I-O register contents 1F7 hCM
Interface
Read DMA Write DMA
11 Contents of Security SET Password data
Locked Mode
Flush Cache E7
Error posting
13 Command code and parameters 1
13 Command code and parameters 2
Command Protocol
Data transferring commands from device to host
Execute Device Diagnostic Initialize Device Parameters
Read Sectors command protocol
Data transferring commands from host to device
Protocol for command abort
Write Sectors command protocol
Commands without data transfer
Other commands
DMA data transfer commands
Read Multiple Sleep Write Multiple
Normal DMA data transfer
Ultra DMA Feature Set
Overview
Phases of operation
Ultra DMA burst initiation phase
Data transfer phase
Ultra DMA burst termination phase
Ultra DMA data in commands
Initiating an Ultra DMA data in burst
Pausing an Ultra DMA data in burst
Data in transfer
Terminating an Ultra DMA data in burst
Interface
Ultra DMA Feature Set
Ultra DMA data out commands
Initiating an Ultra DMA data out burst
Data out transfer
Pausing an Ultra DMA data out burst
Terminating an Ultra DMA data out burst
Ultra DMA Feature Set
Ultra DMA CRC rules
CRCIN8 = f XOR f CRCIN1=f CRCIN9 = f CRCIN2=f
Series termination required for Ultra DMA
15 Recommended series termination for Ultra DMA
Timing
PIO data transfer
10 Data transfer timing
11 Single word DMA data transfer timing mode
Single word DMA data transfer
12 Multiword DMA data transfer timing mode
Multiword DMA data transfer
Transfer of Ultra DMA data
Starting of Ultra DMA data In Burst
Name Mode Comment MIN MAX
16 Ultra DMA data burst timing requirements 2
Dmardy
Sustained Ultra DMA data in burst
14 Sustained Ultra DMA data in burst
Host pausing an Ultra DMA data in burst
15 Host pausing an Ultra DMA data in burst
Device terminating an Ultra DMA data in burst
16 Device terminating an Ultra DMA data in burst
Host terminating an Ultra DMA data in burst
17 Host terminating an Ultra DMA data in burst
18 Initiating an Ultra DMA data out burst
Sustained Ultra DMA data out burst
19 Sustained Ultra DMA data out burst
Device pausing an Ultra DMA data out burst
20 Device pausing an Ultra DMA data out burst
Host terminating an Ultra DMA data out burst
21 Host terminating an Ultra DMA data out burst
22 Device terminating an Ultra DMA data out burst
Power-on and reset
23 Power on Reset Timing
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Operations
Device Response to the Reset
Response to power-on
Response to power-on
Response to hardware reset
Response to hardware reset
Response to software reset
Response to software reset
Response to diagnostic command
Response to diagnostic command
Default parameters
Default parameters
Address Translation
Address translation example in CHS mode
Logical address
Power Save
Power save mode
Operations
Power commands
Defect Management
Spare area
Alternating defective sectors
Alternate cylinder assignment
Data buffer configuration
Read-Ahead Cache
Caching operation
Read Sector S Read Multiple Read DMA
− Write Sectors − Write DMA − Write Multiple
− Read Sector S − Read DMA
Usage of read segment
Mis-hit no hit
Sequential read
Mis-hit data Empty area
Read-ahead data New read-ahead data Hit data
Full hit hit all
HAP
DAP
Partially hit
Write Cache
Write Sectors Write Multiple Write DMA
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Glossary
PIO Programmed input-output
Power save mode
Rotational delay
Positioning
Status
VCM
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Acronyms and Abbreviations
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Index
Index
Identify Device 5-31 Identify Device DMA 5-38 Idle
MPU Mtbf Mttr
Read DMA Read Long 5-47 Read Multiple 5-18 Read Sectors
IN-4 C141-E057-01EN
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Comment Form
MHE2064AT, MHE2043AT, MHF2043AT, MHF2021AT Disk Drive
Japan
C141-E057-02EN
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