Maxtor D540X-4K manual ATA Bus Interface and ATA Commands

Models: D540X-4K

1 96
Download 96 pages 40.17 Kb
Page 68
Image 68

ATA Bus Interface and ATA Commands

49

 

Capabilities

 

 

15-14

Reserved for the IDENTIFY PACKET DEVICE

 

 

 

command.

0F00h

 

13

Standby timer values are supported

 

12

Reserved for the IDENTIFY PACKET DEVICE

 

 

 

command.

 

 

11

IORDY supported

 

 

10

IORDY may be disabled

 

 

9

LBA supported

 

 

8

DMA supported.

 

 

7-0

Retired

 

 

 

 

 

50

 

Capabilities

0

 

15

Shall be cleared to zero.

 

14

Shall be set to one.

1

 

13-2

Reserved.

000h

 

1

Obsolete

0

 

0

Shall be set to one to indicate a device specific

0

 

 

Standby timer value minimum.

 

 

 

 

 

51-52

 

Obsolete

0200h-

 

 

 

0200h

 

 

 

 

53

15-3

Reserved

0

 

2

the fields reported in word 88 are valid

1

 

1

the fields reported in words 64-70 are valid

1

 

0

the fields reported in words 54-58 are valid

1

 

 

 

 

54

 

Obsolete

3FFFh

 

 

 

 

55

 

Obsolete

0010h

 

 

 

 

56

 

Obsolete

0100h

 

 

 

 

57-58

 

Current capacity in Sectors

Variable

 

 

 

 

59

 

Multiple sector setting

0100h

 

 

 

 

60-61

 

Total number of user addressable sectors

Variable

 

 

 

 

62

 

Obsolete

0000h

 

 

 

 

63

 

Multiword DMA mode

0407h

 

 

 

 

64

 

Advanced PIO modes

0003h

 

 

 

 

65

 

Minimum Multiword DMA transfer cycle time

0078h

 

 

 

 

66

 

recommended Multiword DMA transfer cycle time

0078h

 

 

 

 

67

 

Minimum cycle time without flow control

0078h

 

 

 

 

68

 

Minimum cycle time with IORDY flow control

0078h

 

 

 

 

69-70

 

Reserved

Reserved

 

 

 

 

71-74

 

Reserved

Reserved

 

 

 

 

75

 

Maximum queue depth – 1

0000h

 

 

 

 

76-79

 

Reserved

Reserved

 

 

 

 

6-6 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT

Page 68
Image 68
Maxtor D540X-4K manual ATA Bus Interface and ATA Commands

D540X-4K specifications

The Maxtor D540X-4K is a notable hard disk drive that has made its mark in the world of computer storage solutions. Launched in the early 2000s, this drive was known for its high capacity and reliable performance, making it a popular choice among consumers and businesses alike.

One of the main features of the D540X-4K is its generous storage capacity. With a range of models available, users could select from configurations starting at 40GB to larger sizes, accommodating a wide variety of storage needs. This capacity was particularly advantageous during an era when digital media was rapidly expanding, allowing users to store everything from documents and photos to videos and applications without running out of space.

The D540X-4K utilizes an IDE (Integrated Drive Electronics) interface, also known as PATA (Parallel ATA), which ensures compatibility with a broad spectrum of computers. This interface was standard at the time, making the drive accessible to a wide user base. The drive also supports ATA-100, providing data transfer rates of up to 100 MB/s, which was impressive for its time.

In terms of performance, the drive operates at a speed of 5400 RPM, which, while not the fastest in comparison to modern solid-state drives, provided a suitable balance of speed and efficiency for the average user’s needs. This rotational speed ensured decent read and write times for everyday applications, making it a reliable option for personal computing.

Another characteristic of the D540X-4K is its advanced data protection features. The drive was equipped with Maxtor's unique Shock Protection Technology, which helps protect the drive’s internal components from damage due to shocks or drops. This feature contributed to increased reliability, especially for users in mobile or high-traffic environments.

The Maxtor D540X-4K also incorporates a Cache Buffer, which enhances performance by temporarily storing frequently accessed data. The cache sizes varied across models, with options of 2MB or more, aiding in quicker data retrieval and overall improved system responsiveness.

In summary, the Maxtor D540X-4K is a hard drive that stands out for its storage capacity, compatibility, and protective features. Even today, it serves as a reminder of the evolution of data storage technologies, as it laid the groundwork for the high-capacity drives we utilize in modern computing. Its legacy continues to influence new technologies while reflecting the needs of the early digital era.