4Serial and Parallel ATA Drive Guidelines and Features

NOTE: Serial ATA = SATA

Parallel ATA = PATA

SATA Hard Drives

Serial ATA Hard Drive Characteristics

Number of pins/conductors in data cable

7/7

 

 

 

 

Number of pins in power cable

15

 

 

 

Maximum data cable length

39.37 in (100 cm)

 

 

Data interface voltage differential

400-700 mV

 

 

 

Drive voltages

3.3

V, 5 V, 12 V

 

 

 

Jumpers for configuring drive

N/A

 

 

 

 

Data transfer rate

3.0

Gb/s

 

 

 

SATA connectors on the system board are color coded to make identification easier.

SATA Identification

Color

Port

Attachment Sequence

 

 

 

 

Primary channel, device 0

Dark blue

SATA 0

1

 

 

 

 

Primary channel, device 1

Light Blue

SATA 2

4

 

 

 

 

Secondary channel, device 0

White

SATA 1

2

 

 

 

 

Secondary channel, device 1

Orange

SATA 3

3

 

 

 

 

NOTE: If there is an error on the application of the attach rules, a POST error message may be displayed.

SATA Hard Drives 15