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MHE2064AT, MHF2043AT, MHE2043AT, MHF2021AT
manual
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Models:
MHF2043AT
MHE2043AT
MHE2064AT
MHF2021AT
1
39
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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
Disk Drive Product Manual
MHE2064AT, MHE2043AT MHF2043AT, MHF2021AT
Handling of This Manual
For Safe Operation
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Revision History
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Overview of Manual
Preface
Operating Environment
Conventions for Alert Messages
Liability Exception
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Important Alert Messages
Important Alert Items
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Disk Drive Maintenance Manual
Manual Organization
Disk Drive Product Manual
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Contents
Contents
Interface
Contents
GL-1
Figures
Illustrations
Tables
Surface temperature measurement points and standard values
Device Overview
Features
Functions and performance
Adaptability
Features
MHE2064AT MHE2043AT
Device Specifications
Specifications summary
Specifications MHE2064AT/MHE2043AT
Format Capacity *1
Model names and product numbers
Power Requirements
Specifications MHE2064AT/2043AT/MHF2043AT/2021AT
Model and product number
Current and power dissipation
Environmental specifications
Environmental Specifications
Shock and Vibration
Acoustic noise specification
Shock and vibration specification
Acoustic Noise
MTBF=
Reliability
Media Defects
Error Rate
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Device Configuration
Disk drive outerview the MHE Series and MHF Series
Device Configuration
Configuration of disk media heads
3 2 drives connection
System Configuration
ATA interface
2 1 drive connection
System Configuration
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Installation Conditions
Dimensions MHE series 1/2
Dimensions
Dimensions MHF series 2/2
Orientation Sample MHE2064AT
Mounting
Mounting frame structure
PCA
Measurement point Temperature
Service area Sample MHE2064AT
Cable Connections
Device connector
Berg
Cable connector specifications
Cable connector specifications
Device connection
Jumper Settings
Power supply connector CN1
Location of setting jumpers
Master drive-slave drive setting
Factory default setting
12 Csel setting
Csel setting
14 Example 2 of Cable Select
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Theory of Device Operation
Head
Outline
Subassemblies
Disk
Spindle
Actuator
Air filter
Circuit Configuration
Circuit Configuration
Power-on Sequence
Self-calibration
Self-calibration contents
Execution timing of self-calibration
Read/write preamplifier PreAMP
Command processing during self-calibration
Self-calibration execution timechart
Read/write Circuit
Write precompensation algorithm
Write circuit
Read/write circuit block diagram
Read circuit
Frequency characteristic of programmable filter
Digital PLL circuit
Servo control circuit
Servo Control
Servo Control
Physical sector servo configuration on disk surface
Servo Control
Servo frame format
Data-surface servo format
Actuator motor control
Spindle motor control
Servo Control
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Interface
Physical Interface
Interface signals
Signal assignment on the connector
Signal assignment on the interface connector
Dasp GND
Dior
Encsel
Diow
Stop
Dasp
Iordy
Ddmardy
Logical Interface
1 I/O registers
I/O registers
DA2 DA1 DA0
UNC Idnf Abrt
Command block registers
Logical Interface
DEV HS3 HS2 HS1 HS0
DSC DRQ ERR
BSY
Interface
Host Commands
Control block registers
Srst
Command code and parameters 1
Command code and parameters
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 4
Information to be read by Identify Device command 3
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
Identify Device DMA X’EE’
SET Features X’EF’
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’
1FF
Format of device attribute value data
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
13 Command code and parameters 1
Error posting
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
Protocol for command abort
Data transferring commands from host to device
Write Sectors command protocol
Commands without data transfer
Other commands
DMA data transfer commands
Read Multiple Sleep Write Multiple
Normal DMA data transfer
Overview
Ultra DMA Feature Set
Ultra DMA burst initiation phase
Phases of operation
Ultra DMA burst termination phase
Data transfer phase
Initiating an Ultra DMA data in burst
Ultra DMA data in commands
Data in transfer
Pausing an Ultra DMA data in burst
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
15 Recommended series termination for Ultra DMA
Series termination required for Ultra DMA
PIO data transfer
Timing
10 Data transfer timing
Single word DMA data transfer
11 Single word DMA data transfer timing mode
Multiword DMA data transfer
12 Multiword DMA data transfer timing mode
Starting of Ultra DMA data In Burst
Transfer of Ultra DMA data
Name Mode Comment MIN MAX
Dmardy
16 Ultra DMA data burst timing requirements 2
14 Sustained Ultra DMA data in burst
Sustained Ultra DMA data in burst
15 Host pausing an Ultra DMA data in burst
Host pausing an Ultra DMA data in burst
16 Device terminating an Ultra DMA data in burst
Device terminating an Ultra DMA data in burst
17 Host terminating an Ultra DMA data in burst
Host terminating an Ultra DMA data in burst
18 Initiating an Ultra DMA data out burst
19 Sustained Ultra DMA data out burst
Sustained Ultra DMA data out burst
20 Device pausing an Ultra DMA data out burst
Device pausing an Ultra DMA data out burst
21 Host terminating an Ultra DMA data out burst
Host terminating an Ultra DMA data out burst
22 Device terminating an Ultra DMA data out burst
23 Power on Reset Timing
Power-on and reset
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Operations
Response to power-on
Device Response to the Reset
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
Logical address
Address translation example in CHS mode
Power save mode
Power Save
Operations
Defect Management
Power commands
Alternating defective sectors
Spare area
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
Mis-hit no hit
Usage of read segment
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
Positioning
Power save mode
Rotational delay
PIO Programmed input-output
VCM
Status
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Acronyms and Abbreviations
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Index
Identify Device 5-31 Identify Device DMA 5-38 Idle
Index
Read DMA Read Long 5-47 Read Multiple 5-18 Read Sectors
MPU Mtbf Mttr
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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