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Recommended
Serial ATA Storage Architecture and Applications: Designing High-Performance, Cost-Effective I/O Solutions
Serial ATA Storage Architecture and Applications: Designing High-Performance, Cost-Effective I/O Solutions, by Hubbert Smith (Intel Press), starting at $39.99
Home » Storage
Everything You Need to Know About Serial ATA
Author: Gabriel Torres
Type: Tutorials Last Updated: June 27, 2008
Page: 5 of 5
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Pinout

Here are the pinouts for both Serial ATA data cable and Serial ATA power supply cable. As mentioned before, Serial ATA uses two separated data channels, named A and B, using differential transmission, hence the + and – symbols below. On the wires marked with the minus signal, the data is an inverted copy of what is being transmitted on the corresponding wires with plus signal. Click here to learn how differential transmission works.

Serial ATA Data Connector

Pin

Function

1

Ground

2

A+

3

A-

4

Ground

5

B-

6

B+

7

Ground

Serial ATA Power Connector

Pin Function
1 +3.3 V
2 +3.3 V
3 +3.3 V
4 Ground
5 Ground
6 Ground
7 +5 V
8 +5 V
9 +5 V
10 Ground
11 Reserved/Ground
12 Ground
13 +12 V
14 +12 V
15 +12 V

Pages (5): « 1 2 3 4 [5]
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