5.1 Physical Interface

5.1.2 Signal assignment on the connector

Table 5.1 shows the signal assignment on the interface connector.

Table 5.1 Signal assignment on the interface connector

Pin No.

Signal

Pin No.

Signal

 

 

 

 

A

MSTR

B

MSTR/ENCSEL

C

PUS-

D

ENCSEL

E

(KEY)

F

(KEY)

1

RESET–

2

GND

3

DATA7

4

DATA8

5

DATA6

6

DATA9

7

DATA5

8

DATA10

9

DATA4

10

DATA11

11

DATA3

12

DATA12

13

DATA2

14

DATA13

15

DATA1

16

DATA14

17

DATA0

18

DATA15

19

GND

20

(KEY)

21

DMARQ

22

GND

23

DIOW-, STOP

24

GND

25

DIOR-, HDMRDY,

26

GND

 

HSTROBE

 

 

27

IORDY, DDMARDY,

28

CSEL

 

DSTROBE

 

 

29

DMACK–

30

GND

31

INTRQ

32

Reserved (IOCS16-)

33

DA1

34

PDIAG–, CBLID–

35

DA0

36

DA2

37

CS0–

38

CS1–

39

DASP–

40

GND

41

+5 VDC

42

+5 VDC

43

GND

44

Unused

 

 

 

 

C141-E258

5-3

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Image 79
Fujitsu MHW2040AC, MHW2060AC Signal assignment on the connector, Signal assignment on the interface connector, Dasp GND
Page 78 Page 80

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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