Seagate ST9120822AS, ST980811AS, ST960813AS, ST940814AS manual Description if bit is set to Bit Word

Models: ST960813AS ST9100828AS ST9160821AS ST9120822AS ST980811AS ST940814AS

1 44
Download 44 pages 42.64 Kb
Page 34
Image 34

Word

Description

Value

 

 

 

93

Hardware reset value

xxxxH

 

(see description following this table)

 

 

 

 

94

Auto acoustic management setting

xxxxH

 

 

 

95–99

ATA-reserved

0000H

 

 

 

100–

Total number of user-addressable LBA sectors available

ST9160821AS = 312,581,808

103

(see Section 2.2 for related information)

ST9120822AS = 234,441,648

 

ST9100828AS = 195,371,568

 

These words are required for drives that support the 48-bit

 

ST980811AS = 156,301,488

 

addressing feature. Maximum value: 0000FFFFFFFFFFFFh.

 

ST960813AS = 117,210,240

 

 

 

 

ST940814AS = 78,140,160

 

 

 

104–

ATA-reserved

0000H

127

 

 

 

 

 

128

Security status

0001H

 

 

 

129–

Seagate-reserved

xxxxH

159

 

 

 

 

 

160–

ATA-reserved

0000H

254

 

 

 

 

 

255

Integrity word

xxA5H

 

 

 

Note. See the bit descriptions below for words 63, 88, 93 and 94 of the Identify Drive data:

Description (if bit is set to 1)

Bit

Word 63

0Multiword DMA mode 0 is supported.

1Multiword DMA mode 1 is supported.

2Multiword DMA mode 2 is supported.

8Multiword DMA mode 0 is currently active.

9Multiword DMA mode 1 is currently active.

10Multiword DMA mode 2 is currently active.

Bit

Word 88

0Ultra DMA mode 0 is supported.

1Ultra DMA mode 1 is supported.

2Ultra DMA mode 2 is supported.

3Ultra DMA mode 3 is supported.

4Ultra DMA mode 4 is supported.

8Ultra DMA mode 0 is currently active.

9Ultra DMA mode 1 is currently active.

10Ultra DMA mode 2 is currently active.

11Ultra DMA mode 3 is currently active.

12Ultra DMA mode 4 is currently active.

28

Momentus 5400.3 SATA Product Manual, Rev. D

Page 34
Image 34
Seagate ST9120822AS, ST980811AS, ST960813AS, ST940814AS, ST9160821AS, ST9100828AS manual Description if bit is set to Bit Word

ST960813AS, ST9100828AS, ST9160821AS, ST9120822AS, ST980811AS specifications

The Seagate hard drives ST9120822AS, ST960813AS, ST980811AS, ST9100828AS, and ST940814AS represent a solid lineup of storage solutions designed primarily for personal computers and external storage applications. Each of these models showcases a blend of performance, reliability, and innovative technology that caters to a variety of user needs.

The ST9120822AS is a 120GB SATA drive known for its advanced data storage capabilities and a 7200 RPM spindle speed, delivering quick access times and enhanced performance for everyday computing tasks. Its Native Command Queuing (NCQ) technology optimizes the order of read and write commands sent to the drive, which significantly boosts performance, especially in multi-tasking environments. The drive is also equipped with an 8MB cache buffer that assists in speeding up data retrieval processes.

Moving up in capacity, the ST960813AS offers 60GB of storage, featuring the same 7200 RPM performance as its smaller sibling. It also benefits from NCQ technology, making it suitable for more demanding applications. This drive excels in scenarios where fast data access is essential, such as gaming and multimedia applications.

The ST980811AS provides 80GB of storage capacity. It shares many core features with its counterparts, including a 7200 RPM spindle speed and an 8MB cache that enhances data throughput. The reliability factor is paramount in these drives, as they come with built-in features designed to minimize data loss, such as error correction codes and advanced formatting technology.

The ST9100828AS boasts an impressive 100GB of capacity, providing ample space for storing large files, applications, and multimedia content. It combines high performance with enhanced reliability, ideal for users who require a dependable storage solution for their important data.

Finally, the ST940814AS offers a 40GB size capability. Despite its smaller storage size, it maintains high performance levels with a 7200 RPM speed and 8MB cache, making it a viable option for those looking for a balance between efficiency and space.

In summary, the Seagate ST9120822AS, ST960813AS, ST980811AS, ST9100828AS, and ST940814AS models encapsulate the essence of dependable storage with their various capacities and robust performance features. These drives reflect a commitment to quality and innovation, ensuring users can rely on them for their data storage and access needs in both personal and professional environments.