Fujitsu MHA2021AT user manual

User manual for the device Fujitsu MHA2021AT

Device: Fujitsu MHA2021AT
Category: Computer Drive
Manufacturer: Fujitsu
Size: 1.62 MB
Added : 6/1/2014
Number of pages: 177
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Abstracts of contents
Summary of the content on the page No. 1

C141-E042-01EN
MHA2021AT, MHA2032AT
DISK DRIVES
PRODUCT MANUAL

Summary of the content on the page No. 2

FOR SAFE OPERATION Handling of This Manual This manual contains important information for using this product. Read thoroughly before using the product. Use this product only after thoroughly reading and understanding especially the section “Important Alert Items” in this manual. Keep this manual handy, and keep it carefully. FUJITSU makes every effort to prevent users and bystanders from being injured or from suffering damage to their property. Use the product according to this manual. IMPOR

Summary of the content on the page No. 3

Revision History (1/1) Edition Date Revised section (*1) Details (Added/Deleted/Altered) 01 1997-07-15 — — *1 Section(s) with asterisk (*) refer to the previous edition when those were deleted. C141-E042-01EN

Summary of the content on the page No. 4

Preface This manual describes the MHA2021AT and MHA2032AT, 2.5-inch hard disk drives. These drives have a built-in controller that is compatible with the ATA interface. This manual describes the specifications and functions of the drives and explains in detail how to incorporate the drives into user systems. This manual assumes that the reader has a basic knowledge of hard disk drives and their implementations in computer systems. This manual consists of seven chapters and sections explaining

Summary of the content on the page No. 5

Preface Abbreviation This section gives the meanings of the definitions used in this manual. Conventions for Alert Messages This manual uses the following conventions to show the alert messages. An alert message consists of an alert signal and alert statements. The alert signal consists of an alert symbol and a signal word or just a signal word. The following are the alert signals and their meanings: This indicates a hazarous situation could result in minor or moderate personal injury if the u

Summary of the content on the page No. 6

Preface To make this manual easier for users to understand, opinions from readers are needed. Please write your opinions or requests on the Comment at the back of this manual and forward it to the address described in the sheet. Liability Exception “Disk drive defects” refers to defects that involve adjustment, repair, or replacement. Fujitsu is not liable for any other disk drive defects, such as those caused by user misoperation or mishandling, inappropriate operating environments, defects in

Summary of the content on the page No. 7

Important Alert Items Important Alert Messages The important alert messages in this manual are as follows: A hazardous situation could result in minor or moderate personal injury if the user does not perform the procedure correctly. Also, damage to the predate or other property, may occur if the user does not perform the procedure correctly. Task Alert message Page Normal Operation Data corruption: Avoid mounting the disk near strong 3-6 magnetic soures such as loud speakers. Ensure that the

Summary of the content on the page No. 8

Contents CHAPTER 1 Device Overview ....................................................................... 1-1 1.1 Features 1-2 1.1.1 Functions and performance 1-2 1.1.2 Adaptability 1-2 1.1.3 Interface 1-2 1.2 Device Specifications 1-4 1.2.1 Specifications summary 1-4 1.2.2 Model and product number 1-5 1.3 Power Requirements 1-5 1.4 Environmental Specifications 1-7 1.5 Acoustic Noise 1-7 1.6 Shock and Vibration 1-8 1.7 Reliability 1-8 1.8 Error Ra

Summary of the content on the page No. 9

Contents CHAPTER 3 Installation Conditions ..............................................................3-1 3.1 Dimensions 3-2 3.2 Mounting 3-3 3.3 Cable Connections 3-7 3.3.1 Device connector 3-7 3.3.2 Cable connector specifications 3-8 3.3.3 Device connection 3-8 3.3.4 Power supply connector (CN1) 3-9 3.4 Jumper Settings 3-9 3.4.1 Location of setting jumpers 3-9 3.4.2 Factory default setting 3-10 3.4.3 Master drive-slave drive setting 3-10 3.4.4 CSE

Summary of the content on the page No. 10

Contents 4.6.3 Read circuit 4-12 4.6.4 Time base generator circuit 4-13 4.7 Servo Control 4-14 4.7.1 Servo control circuit 4-14 4.7.2 Data-surface servo format 4-18 4.7.3 Servo frame format 4-18 4.7.4 Actuator motor control 4-19 4.7.5 Spindle motor control 4-20 CHAPTER 5 Interface ..................................................................................... 5-1 5.1 Physical Interface 5-2 5.1.1 Interface signals 5-2 5.1.2 Signal assignment on the co

Summary of the content on the page No. 11

Contents CHAPTER 6 Operations..................................................................................6-1 6.1 Device Response to the Reset 6-2 6.1.1 Response to power-on 6-2 6.1.2 Response to hardware reset 6-4 6.1.3 Response to software reset 6-5 6.1.4 Response to diagnostic command 6-6 6.2 Address Translation 6-7 6.2.1 Default parameters 6-7 6.2.2 Logical address 6-8 6.3 Power Save 6-9 6.3.1 Power save mode 6-9 6.3.2 Power commands 6-11 6.4

Summary of the content on the page No. 12

Contents Illustrations Figures Figure 1.1 Current fluctuation (Typ.) at +5V when power is turned on 1-6 Figure 2.1 Disk drive outerview 2-2 Figure 2.2 Configuration of disk media heads 2-3 Figure 2.3 1 drive system configuration 2-4 Figure 2.4 2 drives configuration 2-5 Figure 3.1 Dimensions 3-2 Figure 3.2 Orientation 3-3 Figure 3.3 Mounting frame structure 3-4 Figure 3.4 Surface temperature measurement points 3-5 Figure 3.5 Service area 3-6 Figure 3.6 Con

Summary of the content on the page No. 13

Contents Figure 5.6 Protocol for the command execution without data transfer 5-73 Figure 5.7 Normal DMA data transfer 5-75 Figure 5.8 Data transfer timing 5-77 Figure 5.9 Single word DMA data transfer timing (mode 2) 5-78 Figure 5.10 Multiword DMA data transfer timing (mode 2) 5-79 Figure 5.11 Power on Reset Timing 5-80 Figure 6.1 Response to power-on 6-3 Figure 6.2 Response to hardware reset 6-4 Figure 6.3 Response to software reset 6-5 Figure 6.4 Response to

Summary of the content on the page No. 14

Contents Table 5.10 Contents of security password 5-59 Table 5.11 Contents of SECURITY SET PASSWORD data 5-64 Table 5.12 Relationship between combination of Identifier and Security level, and operation of the lock function 5-65 Table 5.13 Command code and parameters 5-67 Table 6.1 Default parameters 6-7 C141-E042-01EN xiii

Summary of the content on the page No. 15

CHAPTER 1 Device Overview 1.1 Features 1.2 Device Specifications 1.3 Power Requirements 1.4 Environment Specifications 1.5 Acoustic Noise 1.6 Shock and Vibration 1.7 Reliability 1.8 Error Rate 1.9 Media Defects Overview and features are described in this chapter, and specifications and power requirement are described. The MHA2021AT and MHA2032AT are 2.5-inch hard disk drives with built-in disk controllers. These disk drives use the AT-bus hard disk interface protocol and are compact and reliabl

Summary of the content on the page No. 16

Device Overview 1.1 Features 1.1.1 Functions and performance (1) Compact The disk has 1 or 2 disks of 65 mm (2.5 inches) diameter, and its height is 12.5 mm (0.492 inch). (2) Large capacity The disk drive can record up to 1,083 MB (formatted) on one disk using the (8/9) PRML recording method and 13 recording zone technology. The MHA2021AT and MHA2032AT have a formatted capacity of 2,167 MB and 3,251 MB respectively. (3) High-speed Transfer rate The disk drive has an internal data rate up to 8.9

Summary of the content on the page No. 17

1.1 Features (2) 128-KB data buffer The disk drive uses a 128-KB data buffer to transfer data between the host and the disk media. In combination with the read-ahead cache system described in item (3) and the write cache described in item (7), the buffer contributes to efficient I/O processing. (3) Read-ahead cache system After the execution of a disk read command, the disk drive automatically reads the subsequent data block and writes it to the data buffer (read ahead operation). This cache sy

Summary of the content on the page No. 18

Device Overview 1.2 Device Specifications 1.2.1 Specifications summary Table 1.1 shows the specfications of the disk drive. Table 1.1 Specifications MHA2021AT MHA2032AT Format Capacity (*1) 2.16 GB 3.25 GB Number of Heads 4 6 Number of Cylinders (User) 6,372 Bytes per Sector 512 Recording Method (8/9) PRML Track Density 10,555 TPI Bit Density 157,422 BPI Rotational Speed 4,000 rpm ± 1% Average Latency 7.5 ms Positioning time (read and seek) • Minimum (Track to Track) 2.5 ms (typ.) • Average Read

Summary of the content on the page No. 19

1.3 Power Requirements *1: Capacity under the LBA mode. Under the CHS mode (normal BIOS specification), formatted capacity, number of cylinders, number of heads, and number of sectors are as follows. Model Formatted Capacity No. of Cylinder No. of Heads No. of Sectors MHA2021AT 2,167.60 MB 4,200 16 63 MHA2032AT 3,251.40 MB 6,300 16 63 1.2.2 Model and product number Table 1.2 lists the model names and product numbers. Table 1.2 Model names and product numbers Model Name Capacity Mounting screw O

Summary of the content on the page No. 20

Device Overview (3) Current Requirements and Power Dissipation Table 1.3 lists the current and power dissipation. Table 1.3 Current and power dissipation Typical RMS Current Typical Power (*2) Spin up (*1) 1.0 A Watts 5.0 W Idle 0.236 A T.B.D T.B.D 1.18 W R/W (*3) 0.5 A T.B.D T.B.D 2.5 W Standby 0.076 A T.B.D T.B.D 0.38 W Sleep 0.03 AT.B.D T.B.D 0.15 W *1 Current at starting spindle motor. *2 Power requirements reflect nominal values for +5V power. *3 At 30% disk accessing. (4) Current fluctuati


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