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

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Maxtor 83240D3, 86480D6, 88400D8, 84320D4, 82160D2 specifications Word Content Description

82160D2, 84320D4, 2160, 83240D3, 86480D6 specifications

Maxtor, known for its innovative storage solutions, produced several pivotal hard drive models during the late 1990s and early 2000s, namely the Maxtor 88400D8, 86480D6, 83240D3, 2160, and 84320D4. Each of these drives showcased unique features and technologies that catered to various computing needs.

The Maxtor 88400D8 stood out with its impressive storage capacity of 8.4 GB, which was considerable at the time. It employed the IDE interface, ensuring broad compatibility with most personal computers. The drive utilized a 5400 RPM spindle speed, optimizing data transfer rates for everyday applications. With a 2 MB cache, it facilitated smoother data retrieval, making it a reliable choice for both home and office use. This model exemplified Maxtor's commitment to enhancing user experience through advanced technologies.

Another noteworthy model, the Maxtor 86480D6, offered an 8.6 GB storage capacity, predicated on similar design principles as the 88400D8. It also featured a 5400 RPM spindle speed and an IDE interface. Its greater data density further improved performance, reducing the time required for searching and accessing large volumes of information. The 86480D6 was particularly favored by users with intensive storage needs, such as graphic designers and multimedia creators.

The Maxtor 83240D3, with a storage capacity of 3.2 GB, catered to users seeking a balance between performance and size. This drive also operated at 5400 RPM and featured an IDE interface. Its compact size made it an attractive option for entry-level systems and budget-conscious consumers who needed dependable storage without excessive capacity.

The Maxtor 2160 and 84320D4 models further diversified the line with distinct features suitable for different user segments. The 2160 offered 2.1 GB of storage, appealing particularly to users of basic office applications. In contrast, the 84320D4 provided 4.3 GB of space, marking a mid-range option for users requiring additional capacity without leapfrogging into high-end solutions.

All these Maxtor models incorporated technologies enhancing reliability and performance, such as Advanced Format technology, which optimized data organization, ensuring efficient use of storage space. These drives also showcased an emphasis on low power consumption, which aligned with growing concerns over energy efficiency in computing.

In summary, the Maxtor 88400D8, 86480D6, 83240D3, 2160, and 84320D4 were crucial entries in the hard drive market, bringing forth features that addressed the diverse needs of users, from casual consumers to professionals demanding superior performance. Their legacy continues to influence hard drive design and performance standards in contemporary storage solutions.