INTERFACECOMMANDS

WORD

CONTENT DESCRIPTION

50

Reserved

51

15-8 = PIO data transfer mode

 

7-0 = not used

 

 

52

15-8 = DMA data transfer mode

 

 

 

7-0 = not used

 

 

53

15 = reserved

 

2, 1 = the fields supported in words 88 are valid, 0 = the fields supported in words 88 are not valid

 

1, 1 = the fields reports in words 64-70 are valid, 0 = the fields reports in words 64-70 are not valid

 

0, 1 = the fields reports in words 54-58 are valid, 0 = the fields reports in words 54-58 are not valid

54

Number of current logical cylinders

55

Number of current logical heads

56

Number of logical sectors per track

57 - 58

Current capacity in sectors

59

15-9 = reserved

 

8, 1 = multiple sector setting is valid

 

 

 

7-0xxh = current setting for number of sectors that can per transferred per interrupt on Read/Write Multiple

 

command

 

 

60 - 61

Total number of user addressable sectors (LBA mode only)

 

 

62

Reserved

 

 

63

15-8 = Multi-word DMA transfer mode active

 

 

 

7-0 = Multi=word DMA transfer modes supported

 

 

64

15-8 = reserved

 

 

 

7-0 = advanced PIO transfer modes supported

65

Minimum multi-word DMA transfer cycle time (15-0 = cycle time in nanoseconds)

66

Manufacturer's recommeded multi-word DMA transfer cycle time (15-0 = cycle time in nanoseconds)

67

Minimum PIO transfer cycle time without flow control (15-0 = cycle time in nanoseconds)

68

Minimum PIO transfer cycle time with IORDY flow control (15-0 = cycle time in nanoseconds)

69-79

Reserved

80

15-5 = reserved

 

4, 1 = supports ATA-4

 

3, 1 = supports ATA-3

 

2, 1 = supports ATA-2

 

 

 

1, 1 = supports ATA-1

 

0, reserved

81

Minor version number

82

Command set supported. If words 82 and 83 = 0000h or FFFFh command set notification not supported.

 

 

 

15, 1 = supports the Identify Device DMA command

 

 

 

14, 1 = supports the NOP command

 

 

 

13, 1 = supports the Write Buffer command

 

 

 

12, 1 = supports the Read Buffer command

 

 

 

11, 1 = supports the Read Buffer command

 

10, 1 = supports Host-Protected Area feature set

 

9, 1 = supports the Device Reset command

 

8, 1 = supports Service Interupt

 

7, 1 = supports Release Interupt

 

6, 1 = supports Look Ahead

 

5, 1 = supports Write Cache

 

4, 1 = supports the Packet command feature set

 

3, 1 = supports the Power Management feature command

 

 

 

2, 1 = supports the Removable feature command

 

 

 

1, 1 = supports the Security featurecommand

 

 

 

0, 1 = supports the SMART feature set

 

 

7 – 10

Page 57 Page 59
Page 58
Image 58
Maxtor 91707U5, 91024U3, 90683U2, 92049U6, 91366U4, 92732U8 manual 15-8 = PIO data transfer mode
Page 57 Page 59

91024U3, 92049U6, 90683U2, 91707U5, 92732U8 specifications

The Maxtor series of hard drives, specifically the models 91366U4, 92732U8, 91707U5, 90683U2, and 92049U6, exemplify the evolution of storage technology during the late 1990s and early 2000s, pivotal in shaping contemporary data storage solutions. These hard drives are recognized for their reliability, performance, and impressive capacities for their time.

The Maxtor 91366U4 features a storage capacity of 13.6 GB, delivering a spindle speed of 5,400 RPM. Its UATA interface allows for a fast data transfer rate, which was notable in its category. The model incorporates Advanced Power Management, contributing to lower power consumption and reduced heat generation, making it an appealing choice for system builders looking to enhance system longevity.

Moving on to the Maxtor 92732U8, this model increased capacity to 27.3 GB, aligning with the growing demand for more storage from users and businesses alike. This drive maintained a 5,400 RPM spindle speed while improving the access times, which aided in speeding up file retrieval processes. Noteworthy is its Plug and Play capability, which simplified installation and compatibility across various systems.

The Maxtor 91707U5 brought forward advancements in data integrity with the inclusion of features such as error correction codes. With a storage size of 17.3 GB and similar operational speeds, this model catered to users seeking reliable data management. Its robust build aimed to protect against accidents and environmental factors, ensuring data was safe while providing consistent performance.

The Maxtor 90683U2, with its 68.3 GB capacity, is particularly recognized for its reliability in desktop applications. The drive integrates a combination of Unidirectional Technology, driving advancements in read/write capabilities, and extensive shock protection, making it an ideal candidate for users with intensive data processing requirements.

Lastly, the Maxtor 92049U6 is known for its balanced blend of performance and functionality. Holding a capacity of 49.1 GB and retaining the sophisticated features of its predecessors, this model enabled faster data access and storage capabilities that met the needs of both home and professional users.

Together, these Maxtor hard drives embody the technological strides in the evolution of data storage—offering capacities and performances that set a standard in the industry and laid the groundwork for future storage solutions. The combination of innovative technologies and practical features made these drives highly sought after during their respective periods, and their legacy continues to influence modern data storage products.
Top Page Image Contents