5.Speaker connector (4-pin SPEAKER)

The 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you hear system beeps and warnings.

B75M-A

SPEAKER

+5V GND GND Speaker Out

PIN 1

B75M-A Speaker Out Connector

6.Intel® B75 Serial ATA 3.0Gb/s connectors (7-pin SATA3G_1~5 [blue])

These connectors connect to Serial ATA 3.0 Gb/s hard disk drives and optical drives via Serial ATA 3.0 Gb/s signal cables.

SATA3G_1

SATA3G_2

 

 

 

GND

GND

 

 

 

 

 

 

 

 

 

 

RSATA_RXP1 RSATA_TXP2

 

 

 

 

 

RSATA_RXN1

RSATA_TXN2

 

 

 

 

 

GND

GND

 

 

 

 

 

RSATA_TXN1 RSATA_RXN2

 

 

 

 

 

RSATA_TXP1

RSATA_RXP2

 

 

 

 

 

GND

GND

 

 

 

 

 

 

 

 

 

SATA3G_3

SATA3G_4

GND

GND

RSATA_RXP3 RSATA_TXP4

RSATA_RXN3

RSATA_TXN4

GND

GND

RSATA_TXN3 RSATA_RXN4

RSATA_TXP3

RSATA_RXP4

GND

GND

SATA3G_5

 

B75M-A

 

GND

 

RSATA_RXP5

 

RSATA_RXN5

 

GND

 

RSATA_TXN5

 

RSATA_TXP5

 

GND

 

B75M-A SATA 3.0Gb/s connectors

• You must install Windows. XP® Service Pack 3 or later version before using Serial ATA hard disk drives.

•When using hot-plug and NCQ, set the SATA Mode Selection item in the BIOS to [AHCI]. See section 2.5.3 SATA Configuration for details.

ASUS B75M-A

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