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Asus M3A78 EM User Guide - Page 48

Chassis intrusion connector 4-1 pin CHASSIS, IEEE 1394a port connector 10-1 pin IE1394_1

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11. Chassis intrusion connector (4-1 pin CHASSIS) This connector is for a chassis-mounted intrusion detection sensor or switch. Connect one end of the chassis intrusion sensor or switch cable to this connector. The chassis intrusion sensor or switch sends a high-level signal to this connector when a chassis component is removed or replaced. The signal is then generated as a chassis intrusion event. By default, the pins labeled "Chassis Signal" and "GND" are shorted with a jumper cap. Remove the jumper caps only when you intend to use the chassis intrusion detection feature. +5VSB_MB Chassis Signal GND R M3A78-EM CHASSIS M3A78-EM Intrusion Connector (Default) 12. IEEE 1394a port connector (10-1 pin IE1394_1) This connector is for a IEEE 1394a port. Connect the IEEE 1394a module cable to this connector, then install the module to a slot opening at the back of the system chassis. TPA1GND TPB1+12V GND TPA1+ GND TPB1+ +12V R M3A78-EM IE1394_1 1 M3A78-EM IEEE 1394a Connector 1-36 Chapter 1: Product introduction

Section	Page
Notices	6
Safety information	7
About this guide	8
M3A78-EM specifications summary	10
Chapter 1: Product introduction	13
1.1 Welcome!	14
1.2 Package contents	14
1.3 Special features	14
1.3.1 Product highlights	14
1.3.2 ASUS unique features	18
1.3.3 ASUS stylish features	20
1.3.4 ASUS intelligent overclocking features	20
1.4 Before you proceed	21
1.5 Motherboard overview	22
1.5.1 Motherboard layout	22
1.5.2 Placement direction	23
1.5.3 Screw holes	23
1.6 Central Processing Unit (CPU)	24
1.6.1 Installing the CPU	24
1.6.2 Installing the heatsink and fan	26
1.7 System memory	28
1.7.1 Overview	28
1.7.2 Memory configurations	28
1.7.3 Installing a DIMM	32
1.7.4 Removing a DIMM	32
1.8 Expansion slots	33
1.8.1 Installing an expansion card	33
1.8.2 Configuring an expansion card	33
1.8.3 PCI slots	36
1.8.4 PCI Express x1 slot	36
1.8.5 PCI Express x16 slot	36
1.9 Jumpers	37
1.10 Connectors	38
1.10.1 Rear panel connectors	38
1.10.2 Internal connectors	41
Chapter 2: BIOS setup	53
2.1 Managing and updating your BIOS	54
2.1.1 Creating a bootable floppy disk	54
2.1.2 AFUDOS utility	55
2.1.3 ASUS CrashFree BIOS 3 utility	58
2.1.4 ASUS EZ Flash 2 utility	60
2.1.5 ASUS Update utility	61
2.2 BIOS setup program	64
2.2.1 BIOS menu screen	65
2.2.2 Menu bar	65
2.2.3 Navigation keys	66
2.2.4 Menu items	66
2.2.5 Sub-menu items	66
2.2.6 Configuration fields	66
2.2.7 General help	66
2.2.8 Pop-up window	67
2.3 Main menu	68
2.3.1 System Time	68
2.3.2 System Date	68
2.3.3 Legacy Diskette A	68
2.3.4 Primary IDE Master/Slave	69
2.3.5 SATA 1, 2, 3, 5, 6, and E-SATA	70
2.3.6 SATA Configuration	71
2.3.7 System Information	72
2.4 Advanced menu	73
2.4.1 JumperFree Configuration	73
2.4.2 CPU Configuration	75
2.4.3 Chipset	76
2.4.4 Onboard Device Configuration	79
2.4.5 PCIPnP	80
2.4.6 USB Configuration	81
2.5 Power menu	82
2.5.1 Suspend Mode	82
2.5.2 ACPI Support	82
2.5.3 ACPI APIC Support	82
2.5.4 APM Configuration	83
2.5.5 HW Monitor Configuration	84
2.6 Boot menu	85
2.6.1 Boot Device Priority	86
2.6.2 Boot Settings Configuration	86
2.6.3 Security	88
2.7 Tools menu	90
2.7.1 ASUS EZ Flash 2	90
2.7.2 Express Gate	91
2.7.3 AI NET 2	91
2.8 Exit menu	92
Chapter 3: Software support	93
3.1 Installing an operating system	94
3.2 Support DVD information	94
3.2.1 Running the Support DVD	94
3.2.2 Drivers menu	95
3.2.3 Utilities menu	96
3.2.4 Make Disk menu	98
3.2.5 Manual menu	99
3.2.6 ASUS Contact information	100
3.2.7 Other information	100
Appendix: ATI® Hybrid CrossFireX™	104
A.1 System requirements	104
A.2 Before you proceed	104
A.3 Installing AMD Chipset Driver	105