Table 7:

Serial ATA connector pin definitions

 

 

 

 

Segment

Pin

Function

Definition

 

 

 

 

 

P1

V33

3.3V power

 

P2

V33

3.3V power

 

P3

V33

3.3V power, pre-charge, 2nd mate

 

P4

Ground

1st mate

 

 

 

 

 

P5

Ground

2nd mate

 

 

 

 

 

P6

Ground

2nd mate

 

 

 

 

 

P7

V5

5V power, pre-charge, 2nd mate

 

 

 

 

Power

P8

V5

5V power

 

 

 

P9

V5

5V power

 

 

 

 

 

 

P10

Ground

2nd mate

 

 

 

 

 

P11

Reserved

The pin corresponding to P11 in the backplane receptacle connector is also reserved

 

 

 

The corresponding pin to be mated with P11 in the power cable receptacle connector

 

 

 

shall always be grounded

 

 

 

 

 

P12

Ground

1st mate.

 

 

 

 

 

P13

V12

12V power, pre-charge, 2nd mate

 

P14

V12

12V power

 

P15

V12

12V power

Notes:

1.All pins are in a single row, with a 1.27 mm (0.050”) pitch.

2.The comments on the mating sequence apply to the case of backplane blindmate connector only. In this case, the mating sequences are:

the ground pins P4 and P12.

the pre-charge power pins and the other ground pins.

the signal pins and the rest of the power pins.

3.There are three power pins for each voltage. One pin from each voltage is used for pre-charge when installed in a blind-mate backplane configuration.

4.All used voltage pins (Vx) must be terminated.

24

Momentus 7200.3 SATA Product Manual, Rev. C

Page 30
Image 30
Seagate STBD1000100, ST980411ASG, ST9750420AS, 7200.3, ST9320421AS Pin Function Definition, P10 Ground 2nd mate P11 Reserved

ST9120411AS, ST9120411ASG, ST9250421AS, ST9750420AS, ST9160411AS specifications

Seagate has long been a prominent name in the storage industry, recognized for delivering reliable hard drives that cater to a variety of computing needs. The Seagate ST9200421AS, ST9160411ASG, ST980411ASG, ST9320421ASG, and ST9320421AS are notable hard drives that showcase the brand's commitment to performance and efficiency.

The ST9200421AS is a 2.5-inch SATA hard drive that boasts a storage capacity of 200GB. With a spindle speed of 5400 RPM, this model is optimized for low power consumption while maintaining adequate performance for everyday computing tasks. Its 8MB cache enhances data transfer rates, making it suitable for basic computing environments such as entry-level laptops.

Another model, the ST9160411ASG, also operates at a speed of 5400 RPM but offers a slightly larger storage capacity of 160GB. It incorporates advanced error correction technologies that improve data integrity and reliability. This drive is ideal for users looking to upgrade their existing storage without sacrificing battery life or performance in mobile devices.

The ST980411ASG steps up the capacity game with 160GB of storage as well but features Seagate's PowerSave technology that helps extend battery life in laptops. This is particularly beneficial for mobile users who require dependable storage while on the move. Combined with a 5400 RPM speed and 8MB cache, it balances performance with energy efficiency.

The ST9320421ASG offers a more substantial storage option of 320GB, matching the performance characteristics of its predecessors with a 5400 RPM spin rate. This drive includes features like QuietStep technology, which minimizes noise for a smoother user experience, making it excellent for quiet environments and multimedia applications.

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