Fujitsu MHD2032AT, MHC2032AT, MHD2021AT, MHC2040AT manual Contents

Models: MHC2040AT MHC2032AT MHD2032AT MHD2021AT

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Contents

5.5.2

Phases of operation

5-78

 

 

 

 

 

5.5.2.1

Ultra DMA burst initiation phase

5-78

 

 

5.5.2.2

Data transfer phase

5-79

 

 

 

 

 

5.5.2.3

Ultra DMA burst termination phase

 

5-79

 

 

5.5.3

Ultra DMA data in commands

5-80

 

 

 

5.5.3.1

Initiating an Ultra DMA data in burst

5-80

 

5.5.3.2

The data in transfer

5-81

 

 

 

 

 

5.5.3.3

Pausing an Ultra DMA data in burst

 

5-81

 

5.5.3.4

Terminating an Ultra DMA data in burst

5-82

5.5.4

Ultra DMA data out commands

5-85

 

 

 

5.5.4.1

Initiating an Ultra DMA data out burst

5-85

 

5.5.4.2

The data out transfer

5-85

 

 

 

 

 

5.5.4.3

Pausing an Ultra DMA data out burst

5-86

 

5.5.4.4

Terminating an Ultra DMA data out burst

5-87

5.5.5

Ultra DMA CRC rules 5-89

 

 

 

 

 

5.5.6

Series termination required for Ultra DMA

5-91

5.6 Timing 5-92

 

 

 

 

 

 

5.6.1

PIO data transfer 5-92

 

 

 

 

 

5.6.2

Single word DMA data transfer

5-94

 

 

 

5.6.3

Multiword DMA data transfer

5-95

 

 

 

5.6.4

Transfer of Ultra DMA data 5-96

 

 

 

 

5.6.4.1

Starting of Ultra DMA data In Burst

5-96

 

5.6.4.2

Ultra DMA data burst timing requirements

5-97

5.6.4.3

Sustained Ultra DMA data in burst

5-99

 

 

5.6.4.4

Host pausing an Ultra DMA data in burst

5-100

5.6.4.5

Device terminating an Ultra DMA data in burst

5-101

5.6.4.6

Host terminating an Ultra DMA data in burst

5-102

5.6.4.7

Initiating an Ultra DMA data out burst

5-103

 

5.6.4.8

Sustained Ultra DMA data out burst

 

5-104

 

5.6.4.9

Device pausing an Ultra DMA data out burst

5-105

5.6.4.10 Host terminating an Ultra DMA data out burst

5-106

5.6.4.11 Device terminating an Ultra DMA data in burst

5-107

5.6.5

Power-on and reset

5-108

 

 

 

 

 

x

C141-E050-02EN

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Fujitsu MHD2032AT, MHC2032AT, MHD2021AT, MHC2040AT manual Contents

MHC2040AT, MHC2032AT, MHD2032AT, MHD2021AT specifications

Fujitsu offers a range of advanced hard disk drives (HDD) designed for various computing needs, including the MHD2021AT, MHD2032AT, MHC2032AT, and MHC2040AT models. These drives combine reliable performance, capacity options, and technological features aimed at enhancing data storage efficiency.

The Fujitsu MHD2021AT is known for its capacity of 20 GB, making it an excellent choice for users requiring a compact and efficient HDD. With a spindle speed of 5400 RPM, it balances speed and power consumption, catering to mobile computing and lower power devices. Its ATA interface ensures compatibility with a wide range of systems, making it a versatile option for various applications.

The MHD2032AT model offers a slightly higher capacity of 30 GB, maintaining similar technological attributes to its predecessor. With an enhanced data transfer rate, it allows for quicker access to stored files, perfect for users handling larger volumes of data. The robust error correction features in this model further ensure data integrity, making it a reliable choice for demanding environments.

For users needing more robust storage solutions, the MHC2032AT steps it up with features tailored for performance-heavy applications. Its 30 GB capacity is suited for desktop and workstation environments that require swift data retrieval and significant storage. The drive employs advanced caching techniques, which boost performance further by optimizing read and write operations, ensuring smoother multitasking capabilities.

The MHC2040AT is the flagship model in this line, providing an impressive storage capacity of 40 GB. This HDD is designed for high-performance applications where speed is crucial. The drive’s increased spindle speed and superior data transfer rates make it ideal for video editing, gaming, and large database management. Alongside its enhanced performance features, it includes advanced thermal management technology that maintains optimal operational temperatures, prolonging the drive's lifespan.

All four models leverage Fujitsu's commitment to data reliability, featuring robust shock resistance and low noise levels. Collectively, these drives cater to a spectrum of user needs, from compact data storage to high-capacity solutions, maintaining Fujitsu's reputation for quality and innovation in the storage market.