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P7H55-M LX/USB3 front panel audio connector

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7. Front panel audio connector (10-1 pin AAFP) This connector is for a chassis-mounted front panel audio I/O module that supports either High Definition Audio or AC`97 audio standard. Connect one end of the front panel audio I/O module cable to this connector. GND PRESENCE# SENSE1_RETUR SENSE2_RETUR AGND NC NC NC AAFP PIN 1 PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L P7H55-M LX/USB3 HD-audio-compliant Legacy AC'97 pin definition compliant definition P7H55-M LX/USB3 front panel audio connector If you want to connect a high-definition front panel audio module to this connector, ensure that the Front Panel Type item in the BIOS is set to [HD Audio]. If you want to connect an AC97 front panel audio module to this connector, set the item to [AC97]. See section 2.4.3 Onboard Devices Configuration for details. 8. Speaker connector (4-pin SPEAKER) This 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you to hear system beeps and warnings. +5V GND GND Speaker Out SPEAKER P7H55-M LX/USB3 PIN 1 P7H55-M LX/USB3 Speaker Out Connector 1-13 Chapter 1: Product introduction

Section	Page
Notices	5
Safety information	6
About this guide	6
P7H55-M LX/USB3 specifications summary	8
Chapter 1	10
Product introduction	10
1.1 Before you proceed	10
1.2 Motherboard overview	11
1.2.1 Motherboard layout	11
1.2.2 Layout contents	11
1.3 Central Processing Unit (CPU)	12
1.4 System memory	12
1.4.1 Overview	12
1.4.2 Memory configurations	13
1.5 Expansion slots	15
1.5.1 Installing an expansion card	15
1.5.2 Configuring an expansion card	15
1.5.3 PCI slots	15
1.5.4 PCI Express x4 slot	15
1.5.5 PCI Express x16 slot	15
1.6 Jumpers	16
1.7 Connectors	17
1.7.1 Rear panel ports	17
1.7.2 Internal connectors	18
1.8 Software support	24
1.8.1 Installing an operating system	24
1.8.2 Support DVD information	24
Chapter 2	25
BIOS information	25
2.1 Managing and updating your BIOS	25
2.1.1 ASUS Update	25
2.1.2 ASUS EZ Flash 2	26
2.1.3 ASUS BIOS Updater	27
2.1.4 ASUS CrashFree BIOS 3	30
2.2 BIOS setup program	31
2.3 Main menu	32
2.3.1 System Time [xx:xx:xx]	32
2.3.2 System Date [Day xx/xx/xxxx]	32
2.3.3 Language [English]	32
2.3.4 SATA 1-6	32
2.3.5 Storage Configuration	33
2.3.6 System Information	34
2.4 Advanced menu	34
2.4.1 CPU Configuration	35
2.4.2 Chipset	37
2.4.3 Onboard Devices Configuration	37
2.4.4 USB Configuration	38
2.4.5 PCI PnP	38
2.4.6 Intel VT-d Configuration	39
2.5 Power menu	39
2.5.1 Suspend Mode [Auto]	39
2.5.2 ACPI 2.0 Support [Enabled]	39
2.5.3 ACPI APIC Support [Enabled]	39
2.5.4 Anti Surge Support [Disabled]	39
2.5.5 APM Configuration	40
2.5.6 Hardware Monitor	40
2.6 Boot menu	41
2.6.1 Boot Device Priority	41
2.6.2 Boot Settings Configuration	41
2.6.3 Security	42
2.7 Tools menu	43
2.7.1 AI NET 2	43
2.7.2 ASUS EZ Flash 2	43
2.7.3 IO Level up [Disabled]	43
2.8 Exit menu	44
P7H55-M LX/USB3 motherboard installation notices	45
Intel® LGA1156 processor and chipset combination instruction	45
Memory configuration	45