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MHT2020AT
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Fujitsu MHT2020AT Product Manual
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
For Safe Operation
Revision History
Overview of Manual
Operating Environment
Important Alert Items
Important Alert Messages
Manual Organization
CHAPTER 1 Device Overview
Features
Functions and Performance
Adaptability
Interface
Device Specifications
Specifications Summary
Model and Product Number
Power Requirements
Environmental Specifications
Acoustic Noise
Shock and Vibration
Reliability
Error Rate
Media Defects
Load/Unload Function
Advanced Power Management
Chapter 2 Device Configuration
Device Configuration
System Configuration
ATA Interface
Drive Connection
Drives Connection
Chapter 3 Installation Conditions
Dimensions
Mounting
Cable Connections
Device Connector
Cable Connector Specifications
Device Connection
Power Supply Connector (CN1)
Jumper Settings
Location of Setting Jumpers
Factory Default Setting
Master Drive-Slave Drive Setting
CSEL Setting
Power up in Standby Setting
CHAPTER 4 Theory of Device Operation
Outline
Subassemblies
Disk
Spindle
Actuator
Air Filter
Circuit Configuration
Power-On Sequence
Self-Calibration
Self-Calibration Contents
Execution Timing of Self-Calibration
Command Processing During Self-Calibration
Read/Write Circuit
Read/Write Preamplifier (Preamp)
Write Circuit
Read Circuit
Digital PLL Circuit
Servo Control
Servo Control Circuit
Data-Surface Servo Format
Servo Frame Format
Actuator Motor Control
Spindle Motor Control
Chapter 5 Interface
Physical Interface
Interface Signals
Signal Assignment on the Connector
Logical Interface
I/O Registers
Command Block Registers
Control Block Registers
Host Commands
Command Code and Parameters
Command Descriptions
READ SECTOR(S) (X'20' or X'21')
Read Multiple (X'c4')
READ DMA (X'C8' or X'C9')
READ VERIFY SECTOR(S) (X'40' or X'41')
WRITE SECTOR(S) (X'30' or X'31')
Write Multiple (X'c5')
WRITE DMA (X'CA' or X'CB')
Write Verify (X'3C')
RECALIBRATE (X'10' to X'1F')
SEEK (X'70' to X'7F')
Initialize Device Parameters (X'91')
Identify Device (X'ec')
Identify Device Dma (X'ee')
Identify Device
Set Features (X'ef')
Set Multiple Mode (X'c6')
Set Max Address
Execute Device Diagnostic (X'90')
READ LONG (X'22' or X'23')
WRITE LONG (X'32' or X'33')
Read Buffer (X'e4')
Write Buffer (X'e8')
IDLE (X'97' or X'E3')
IDLE IMMEDIATE (X'95' or X'E1')
STANDBY (X'96' or X'E2')
STANDBY IMMEDIATE (X'94' or X'E0')
SLEEP (X'99' or X'E6')
CHECK POWER MODE (X'98' or X'E5')
SECURITY DISABLE PASSWORD (F6H)
Table of Contents
1F7 (CM)
SECURITY ERASE UNIT (F4H)
SECURITY FREEZE LOCK (F5H)
SECURITY SET PASSWORD (F1H)
SECURITY ERASE PREPARE (F3H)
Table of Contents
(DH) X X X DV
1F1 (Fr)
1F2 (Sc)
1F3 (Sn)
1F4 (Cl)
1F5 (Ch)
1F7 (CM)
At Command Issuance (I-O Register Contents)
1F1 (Fr)
1F2 (Sc)
1F3 (Sn)
1F4 (Cl)
1F5 (Ch)
1F6 (Dh)
1F7 (ST) Status Information
At Command Completion (I-O Register Contents)
1F7 (St)
(DH) X X X DV
(ST) Status Information
1F1 (ER) Error Information
Device Configuration (X'b1')
1F2 (Sc)
1F3 (Sn)
1F4 (Cl)
1F5 (Ch)
1F6 (Dh) DV
(DH) X X X DV
1F1 (ER) Error Information
Download Micro Code (92H)
1F2 (Sc)
1F3 (Sn)
1F4 (Cl)
1F5 (Ch)
Error Posting
Command Protocol
PIO Data Transferring Commands from Device to Host
PIO Data Transferring Commands from Host to Device
Commands Without Data Transfer
DMA Data Transfer Commands
Other Commands
Overview
Ultra DMA Feature Set
Initiating an Ultra DMA Data in Burst
Phases of Operation
Ultra DMA Data in Commands
Pausing an Ultra DMA Data in Burst
The Data in Transfer
Terminating an Ultra DMA Data in Burst
Initiating an Ultra DMA Data out Burst
The Data out Transfer
Ultra DMA Data out Commands
Pausing an Ultra DMA Data out Burst
Terminating an Ultra DMA Data out Burst
Ultra DMA CRC Rules
Series Termination Required for Ultra DMA
PIO Data Transfer
Timing
Multiword Data Transfer
Initiating an Ultra DMA Data in Burst
Ultra DMA Data Transfer
Ultra DMA Data Burst Timing Requirements
Sustained Ultra DMA Data in Burst
Host Pausing an Ultra DMA Data in Burst
Device Terminating an Ultra DMA Data in Burst
Host Terminating an Ultra DMA Data in Burst
Initiating an Ultra DMA Data out Burst
Sustained Ultra DMA Data out Burst
Device Pausing an Ultra DMA Data out Burst
Host Terminating an Ultra DMA Data out Burst
Device Terminating an Ultra DMA Data out Burst
Power-On and Reset
CHAPTER 6 Operations
Device Response to the Reset
Response to Power-On
Response to Hardware Reset
Response to Software Reset
Response to Diagnostic Command
Power Save Mode
Defect Processing
Power Commands
Spare Area
Alternating Processing for Defective Sectors
Read-Ahead Cache
DATA Buffer Structure
Caching Operation
Using the Read Segment Buffer
Write Cache
Cache Operation
Acronyms and Abbreviations
Comment Form
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Features
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Interface
3
Device Specifications
4
Device Configuration
5
Ata Interface
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C141-E192-01EN
MHT2080AT, MHT2060AT, MHT2040AT
MHT2030AT, MHT2020AT
DISK DRIVES
PRODUCT MANUAL
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This manual is also suitable for:
Mht2060at
Mht2030at
Mht2080at
Mht2040at
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