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Asus M2N68 SE User Manual - Page 29

Internal connectors

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7. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices. 8. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices. 9. COM port. This 9-pin COM1 port is for pointing devices or other serial devices. 10. PS/2 keyboard port. This port is for a PS/2 keyboard. 1.10.2 Internal connectors 1. Floppy disk drive connector (34-1 pin FLOPPY) This connector is for a Floppy Disk Drive (FDD) signal cable. Insert one end of the cable to this connector, then connect the other end to the signal connector at the back of the floppy disk drive. • Pin 5 on the connector is removed to prevent incorrect cable connection when using an FDD cable with a covered Pin 5. • The Floppy Disk Drive singal cable is purchased separately. M2N68 SE FLOPPY PIN1 NOTE:Orient the red markings on the floppy ribbon cable to PIN 1. M2N68 SE Floppy disk drive connector 2. 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. M2N68 SE SPEAKER +5V GND GND Speaker Out PIN 1 M2N68 SE Speaker Out Connector Chapter 1: Product introduction 1-19

Section	Page
Notices	6
Safety information	7
About this guide	7
M2N68 SE specifications summary	9
Chapter 1	11
Product introduction	11
1.1 Welcome!	11
1.2 Package contents	11
1.3 Special features	11
1.3.1 Product highlights	11
1.3.2 Innovative ASUS features	12
1.4 Before you proceed	14
1.5 Motherboard overview	15
1.5.1 Placement direction	15
1.5.2 Screw holes	15
1.5.3 Motherboard layout	16
1.5.4 Layout contents	17
1.6 Central Processing Unit (CPU)	17
1.6.1 Installing the CPU	17
1.6.2 Installing the heatsink and fan	19
1.7 System memory	20
1.7.1 Overview	20
1.7.2 Memory configurations	21
1.7.3 Installing a DIMM	25
1.7.4 Removing a DIMM	25
1.8 Expansion slots	26
1.8.1 Installing an expansion card	26
1.8.2 Configuring an expansion card	26
1.8.4 PCI slots	26
1.8.5 PCI Express x1 slots	26
1.8.6 PCI Express x16 slot	26
1.9 Jumpers	27
1.10 Connectors	28
1.10.1 Rear panel connectors	28
1.10.2 Internal connectors	29
1.11 Software support	36
1.11.1 Installing an operating system	36
1.11.2 Support DVD information	36
Chapter 2	37
BIOS information	37
2.1 Managing and updating your BIOS	37
2.1.1 ASUS Update utility	37
2.1.2 Creating a bootable floppy disk	38
2.1.3 ASUS EZ Flash 2 utility	39
2.1.4 AFUDOS utility	40
2.1.5 ASUS CrashFree BIOS 3 utility	41
2.2 BIOS setup program	43
2.2.1 BIOS menu screen	44
2.2.2 Menu bar	44
2.2.3 Navigation keys	45
2.2.4 Menu items	45
2.2.5 Sub-menu items	45
2.2.6 Configuration fields	45
2.2.7 General help	45
2.2.8 Pop-up window	45
2.2.9 Scroll bar	45
2.3 Main menu	46
2.3.1 System Time	46
2.3.2 System Date	46
2.3.3 Legacy Diskette A	46
2.3.4 Storage Configuration	46
2.3.5 Primary IDE Master/Slave	47
2.3.6 SATA 1~4	47
2.3.7 System Information	48
2.4 Advanced menu	49
2.4.1 JumperFree Configuration	49
2.4.2 CPU Configuration	50
2.4.3 Chipset	51
2.4.4 Onboard Devices Configuration	52
2.4.5 PCI PnP	52
2.4.6 USB Configuration	53
2.5 Power menu	54
2.5.1 Suspend Mode	54
2.5.2 ACPI Version Features	54
2.5.3 ACPI APIC Support	54
2.5.4 APM Configuration	54
2.5.5 Hardware Monitor	55
2.6 Boot menu	56
2.6.1 Boot Device Priority	56
2.6.2 Boot Settings Configuration	56
2.6.3 Security	57
2.7 Tools menu	58
2.7.1 ASUS EZ Flash 2	58