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Fujitsu
MHK2120AT, MHK2090AT, MHK2060AT, MHJ2181AT
manual
Circuit Configuration
Models:
MHK2060AT
MHJ2181AT
MHK2090AT
MHK2120AT
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Specifications
Install
Interface signals
Error Rate
Rotational delay
Dimension
Maintenance
Device Configuration
Power-on and reset
Diagnostic code
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4.3 Circuit Configuration
16 bit
Figure 4.2 Circuit Configuration
C141-E088-01EN
4-5
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Contents
MHJ2181AT, MHK2120AT MHK2090AT, MHK2060AT
Disk Drives 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 Drives Product Manual
Disk Drives Maintenance Manual
Manual Organization
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Contents
Contents
Interface
Contents
GL-1
Illustrations
Figures
Tables
Contents
Device Overview
Adaptability
Features
Functions and performance
Features
Specifications 1/2
Device Specifications
Specifications summary
Model names and product numbers
Power Requirements
Model and product number
Current and power dissipation
Current fluctuation Typ. at +5V when power is turned on
Environmental Specifications
Environmental specifications
Acoustic noise specification
Shock and vibration specification
Acoustic Noise
Shock and Vibration
Reliability
Error Rate
Media Defects
Device Configuration
Device Configuration
Disk drive outerview the MHJ Series and MHK Series
Configuration of disk media heads
MHJ2181AT MHK2120AT MHK2090AT
System Configuration
ATA interface
2 1 drive connection
3 2 drives connection
System Configuration
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Installation Conditions
Dimensions
Dimensions MHJ series 1/2
Dimensions MHK series 2/2
Mounting
Orientation Sample MHJ2181AT
PCA
Mounting frame structure
Location of breather
Measurement point Temperature
Service area Sample MHJ2181AT
Device connector
Cable Connections
Cable connector specifications
Cable connector specifications
Device connection
Berg
Location of setting jumpers
Jumper Settings
Power supply connector CN1
Factory default setting
Master drive-slave drive setting
Csel setting
13 Csel setting
15 Example 2 of Cable Select
Theory of Device Operation
Outline
Subassemblies
Disk
Head
Spindle
Actuator
Air filter
MHJ2181AT MHK2120AT MHK2090AT MHK2060AT
Circuit Configuration
Circuit Configuration
Power-on Sequence
Self-calibration contents
Self-calibration
Execution timing of self-calibration
Command processing during self-calibration
Self-calibration execution timechart
Read/write Circuit
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
Mstr
Diow
Stop
Dior
KEY
Pdiag
Cblid
Dasp
Logical Interface
DA2 DA1 DA0
1 I/O registers
I/O registers
Command block registers
UNC Idnf Abrt
Logical Interface
DEV HS3 HS2 HS1 HS0
BSY
DSC DRQ ERR
Interface
Srst
Host Commands
Control block registers
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
Information to be read by Identify Device command 8
Identify Device DMA X’EE’
SET Features X’EF’
Features register values and settable modes
’AA’
’BB’
Host Commands
SET Multiple Mode X’C6’
Host Commands
SET MAX Address F9
Read Native MAX Address F8
Execute Device Diagnostic X’90’
Diagnostic code
Interface
Host Commands
Write Buffer X’E8’
Host Commands
Interface
Host Commands
Interface
Host Commands
’FF’
Host Commands
Features Register values subcommands and functions 1
Features Register values subcommands and functions 2
Features Register values subcommands and functions 3
’DA’
Host Commands
Format of insurance failure threshold value data
Format of device attribute value data
1FF
Host Commands
Interface
Host Commands
10 Smart error log data format 1/2
10 Smart error log data format 2/2
11 Smart self test log data format
1FC
Host Commands
12 Contents of security password
At command issuance I-O register contents 1F7 hCM
Interface
Read DMA Write DMA
13 Contents of Security SET Password data
1F5 hCH 1F4 hCL 1F3 hSN 1F2 hSC 1F1 hER Error information
Flush Cache E7
Error posting
15 Command code and parameters 1
15 Command code and parameters 2
Execute Device Diagnostic Initialize Device Parameters
Command Protocol
Data transferring commands from device to host
Read Sectors command protocol
Data transferring commands from host to device
Protocol for command abort
Write Sectors command protocol
Commands without data transfer
Read Multiple Sleep Write Multiple
Other commands
DMA data transfer commands
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
Data out transfer
Ultra DMA data out commands
Initiating an Ultra DMA data out burst
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
17 Recommended series termination for Ultra DMA
Timing
PIO data transfer
10 Data transfer timing
11 Multiword DMA data transfer timing mode
Multiword DMA data transfer
Transfer of Ultra DMA data
Starting of Ultra DMA data In Burst
C141-E088-01EN 105
18 Ultra DMA data burst timing requirements 2
Sustained Ultra DMA data in burst
13 Sustained Ultra DMA data in burst
Host pausing an Ultra DMA data in burst
14 Host pausing an Ultra DMA data in burst
Device terminating an Ultra DMA data in burst
15 Device terminating an Ultra DMA data in burst
Host terminating an Ultra DMA data in burst
16 Host terminating an Ultra DMA data in burst
17 Initiating an Ultra DMA data out burst
Sustained Ultra DMA data out burst
18 Sustained Ultra DMA data out burst
Device pausing an Ultra DMA data out burst
19 Device pausing an Ultra DMA data out burst
Host terminating an Ultra DMA data out burst
20 Host terminating an Ultra DMA data out burst
21 Device terminating an Ultra DMA data out burst
Power-on and reset
22 Power on Reset Timing
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
Address Translation
Default parameters
Default parameters
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
Caching operation
Data buffer configuration
Read-Ahead Cache
− Read Sector S − Read DMA
Read Sector S Read Multiple Read DMA
− Write Sectors − Write DMA − Write Multiple
Usage of read segment
Mis-hit no hit
Sequential read
Mis-hit data Empty area
Read-ahead data New read-ahead data Hit data
DAP
Full hit hit all
HAP
Partially hit
Write Cache
Write Sectors Write Multiple Write DMA
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Glossary
Power save mode
Rotational delay
PIO Programmed input-output
Positioning
Status
VCM
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Acronyms and Abbreviations
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Index
Index
Identify Device 5-31 Identify Device DMA 5-39 Idle
MPU Mtbf Mttr
Read DMA Read Long 5-48 Read Multiple 5-18 Read Sectors 5-16
Write Sectors command protocol
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Comment Form
MHJ2181AT, MHK2120AT, MHK2090AT, MHK2060AT Disk
Drives Product Manual
Japan
C141-E088-01EN
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