Asus b75m-a, Intel, B75m-a speaker out connector – Asus B75M-A User Manual
Page 41: B75m-a sata 3.0gb/s connectors, You must install windows. xp, Speaker

ASUS B75M-A
1-29
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.
• 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.
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
B75M-A Speaker Out Connector
+5V GND GND Speaker Out
SPEAKER
PIN 1
GND
RSATA_TXP2
RSATA_TXN2
GND
RSATA_RXN2
RSATA_RXP2
GND
SATA3G_2
SATA3G_1
GND
RSATA_RXP1
RSATA_RXN1
GND
RSATA_TXN1
RSATA_TXP1
GND
GND
RSATA_TXP4
RSATA_TXN4
GND
RSATA_RXN4
RSATA_RXP4
GND
SATA3G_4
SATA3G_3
GND
RSATA_RXP3
RSATA_RXN3
GND
RSATA_TXN3
RSATA_TXP3
GND
SATA3G_5
GND
RSATA_RXP5
RSATA_RXN5
GND
RSATA_TXN5
RSATA_TXP5
GND
B75M-A
B75M-A SATA 3.0Gb/s connectors