Index

1 drive connection

2-3

2 drives configuration

2-4

2 drives connection

2-4

2MB buffer

6-12

A

 

A/D converter circuit

4-11

AAM

5-92

acceleration mode

4-19

acoustic noise

1-11

acoustic noise specification

1-11

active idle mode

6-7

active mode

6-7

actuator

2-2, 4-2

actuator motor control

4-18

adaptability

1-2

advanced power management

1-14,

1-15, 5-91

 

AGC circuit

4-10

air circulation system

2-2

air filter

4-3

alternate status register

5-13

alternating processing

 

for defective sector

6-10

ambient temperature

3-5

APM

1-14, 5-91

ATA interface

2-3

attribute ID

5-47

attribute value for the worst case so

 

far

5-48

automatic acoustic management

5-92

automatic alternating processing

6-11

average positioning time

1-2

B

 

blower

4-3

burst even1

4-17

burst even2

4-17

burst odd

4-17

C

 

cable connection

3-8, 3-9

cable connector specification

3-9

cache operation

6-18

caching function when power supply

is turned on

 

6-19

caching operation

 

6-13

CHECK POWER MODE

 

5-39, 6-9

CHECK POWER MODE command

......... 6-8

check sum

5-51, 5-54, 5-55

circuit configuration

 

4-3, 4-5

command block register

 

5-8

command code and parameter

5-14, 5-15,

5-16, 5-127, 5-128

 

 

 

command data structure

 

5-54

command description

 

5-18

command processing during self-

 

 

calibration

 

4-8

command protocol

 

5-129

command register

 

5-13

command that are targets of caching

....... 6-18

command without data transfer

5-134

command, target of caching

 

6-13

compact

 

1-2

compensating open loop gain

 

4-7

connection to ATA interface

 

1-3

contents of security password

................

5-101

contents of SECURITY SET

 

 

 

PASSWORD data

 

5-93

control block register

 

5-13

controller circuit

 

2-3, 4-4

CSEL setting

 

3-12

current and power dissipation

....................

1-9

current attribute value

 

5-48

current fluctuation (Typ.) at +5 V

 

 

when power is turned on

 

1-10

current LBA under test

 

5-56

current requirements and power

 

 

dissipation

 

1-9

current span under test

 

5-56

cylinder high register

 

5-10

cylinder low register

 

5-10

D

 

 

 

D/A converter (DAC)

 

4-13

data area

 

4-15

data assurance in the event of power

 

failure

 

1-12

data buffer

 

1-3

C141-E258

IN-1

Page 266 Page 268
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Image 267
Fujitsu MHW2040AC, MHW2060AC manual Index, Aam
Page 266 Page 268

MHW2060AC, MHW2040AC specifications

The Fujitsu MHW2040AC and MHW2060AC are notable hard disk drives (HDDs) that have been widely used in various computing applications, especially in laptops and compact devices. These models are part of Fujitsu's commitment to providing reliable storage solutions that meet the demands of modern computing.

The MHW2040AC offers a storage capacity of 40 GB, while the MHW2060AC provides a slightly larger capacity at 60 GB. This range of storage makes both models suitable for users looking for dependable space for documents, multimedia files, and software applications. Both drives utilize a 2.5-inch form factor, ideal for mobile computing, as they are lightweight and designed to fit into space-constrained environments.

In terms of performance, both drives operate at a spindle speed of 5400 RPM. This speed strikes a balance between power consumption and performance, making these drives an efficient choice for everyday tasks, such as web browsing and office applications. The drives are equipped with an interface of Ultra ATA/133, which enables faster data transfer rates compared to older models, thereby enhancing overall system responsiveness.

The MHW2040AC and MHW2060AC also incorporate several advanced technologies to bolster their performance and reliability. One such feature is the use of a fluid dynamic bearing (FDB) for the spindle motor, which minimizes noise and vibration, thus improving the overall user experience. Additionally, both drives come with error correction technology that helps maintain data integrity by detecting and correcting errors during read and write operations.

Moreover, these HDDs feature a shock sensor that can detect sudden movements, allowing the drive to park its heads to prevent data loss and hardware damage. This is particularly beneficial in mobile environments where the risks of impact are higher.

Both the MHW2040AC and MHW2060AC are designed with energy-saving features, making them an environmentally responsible choice for energy-conscious consumers. Their low power consumption not only contributes to a reduced carbon footprint but also extends battery life for portable devices.

In summary, the Fujitsu MHW2040AC and MHW2060AC are reliable, efficient, and user-friendly hard disk drives that combine moderate capacities with advanced features designed to enhance performance, ensure data integrity, and extend device longevity. These drives are well-suited for a range of applications, making them a solid choice for users seeking dependable storage solutions.
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