User ManualTable of ContentsM4N68T specifications summary9About this guide7Safety information7Notices6Product introduction111.1 Welcome!111.2 Package contents111.3 Special features111.3.1 Product highlights111.3.2 Innovative ASUS features131.4 Before you proceed151.5 Motherboard overview161.5.1 Placement direction161.5.2 Screw holes161.5.3 Motherboard layout171.5.4 Layout contents171.6 Central Processing Unit (CPU)181.6.1 Installing the CPU181.6.2 Installing the heatsink and fan201.7 System memory211.7.1 Overview211.7.2 Memory configurations221.7.3 Installing a DIMM261.7.4 Removing a DIMM261.8 Expansion slots271.8.1 Installing an expansion card271.8.2 Configuring an expansion card271.8.3 PCI slots271.8.4 PCI Express x1 slots271.8.5 PCI Express x16 slot271.9 Jumpers281.10 Connectors301.10.1 Rear panel ports301.10.2 Internal connectors311.11 Software support381.11.1 Installing an operating system381.11.2 Support DVD information38BIOS information392.1 Managing and updating your BIOS392.1.1 ASUS Update utility392.1.2 ASUS EZ Flash 2 utility402.1.3 ASUS CrashFree BIOS utility412.2 BIOS setup program422.2.1 BIOS menu screen432.2.2 Menu bar432.2.3 Navigation keys432.2.4 Menu items442.2.5 Submenu items442.2.6 Configuration fields442.2.7 Pop-up window442.2.8 Scroll bar442.2.9 General help442.3 Main menu452.3.1 System Time [xx:xx:xx]452.3.2 System Date [Day xx/xx/xxxx]452.3.3 IDE Configuration452.3.4 Primary IDE Master/Slave, SATA 1/2/3/4462.3.5 System Information472.4 Advanced menu472.4.1 JumperFree Configuration472.4.2 CPU Configuration502.4.3 Chipset502.4.4 Onboard Device Configuration522.4.5 PCIPnP522.4.6 USB Configuration532.5 Power menu542.5.1 Suspend Mode [Auto]542.5.2 ACPI 2.0 Support [Enabled]542.5.3 ACPI APIC Support [Enabled]542.5.4 APM Configuration542.5.5 HW Monitor Configuration552.6 Boot menu562.6.1 Boot Device Priority562.6.2 Boot Settings Configuration562.6.3 Security572.7 Tools menu592.7.1 ASUS EZ Flash 2592.7.2 Express Gate [Auto]592.7.3 ASUS O.C. Profile602.7.4 AI NET 2602.8 Exit menu61Size: 3.03 MBPages: 62Language: EnglishOpen manual