1.10.2 Internal connectors Asus prime Asus M3A78

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•  For detailed instructions on RAID configurations, refer to the RAID manual in the 

support DVD.

•  If you intend to create a Serial ATA RAID set using these connectors, set the OnChip 

SATA Type item in the BIOS to [RAID]. See page 2-10 for details.

•   If you want to do the task as GHOST, we suggest you connect the original  

 

disk to the SATA5 or SATA6

4. 

Serial ATA connectors (7-pin SATA1, SATA2, SATA3, SATA4, SATA5, SATA6)
These connectors are for the Serial ATA signal cables for Serial ATA 3Gb/s hard disk 

and optical disk drives. The Serial ATA 3Gb/s is backward compatible with Serial ATA 

1.5Gb/s specification. The data transfer rate of the Serial ATA 3Gb/s is faster than the 

standard parallel ATA with 133 MB/s (Ultra DMA133). If you install Serial ATA hard disk 

drives, you can create a RAID 0, RAID 1, RAID 0+1, or JBOD configuration through the 

onboard SB700 controller.

M3A78 SATA Connectors

R

M3A78

GND

RSATA_TXP2

RSATA_TXN2

GND

RSATA_RXP2

RSATA_RXN2

GND

SA

TA

2

GND

RSATA_TXP3

RSATA_TXN3

GND

RSATA_RXP3

RSATA_RXN3

GND

SA

TA

3

GND

RSATA_TXP1

RSATA_TXN1

GND

RSATA_RXP1

RSATA_RXN1

GND

SA

TA

1

GND

RSATA_TXP5

RSATA_TXN5

GND

RSATA_RXP5

RSATA_RXN5

GND

SA

TA

5

GND

RSATA_TXP6

RSATA_TXN6

GND

RSATA_RXP6

RSATA_RXN6

GND

SA

TA

6

GND

RSATA_TXP4

RSATA_TXN4

GND

RSATA_RXP4

RSATA_RXN4

GND

SA

TA

4

Install the Windows

®

 XP Service Pack 2 or later version before using Serial ATA.

5. 

Optical drive audio in connector (4-pin CD)
This connector allows you to receive stereo audio input from sound sources such as a 

CD-ROM, TV tuner, or MPEG card.

R

M3A78

M3A78 Internal Audio Connector

CD

(black)

Righ

tA

udio Channel

Lef

tA

udio Channel

Ground

Ground

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ASUS M3A78