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Asus M2N68-AM SE User Manual - Page 12

Central Processing Unit CPU, System memory

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1.3 Central Processing Unit (CPU) This motherboard comes with a 940-pin AM2+ / AM2 socket designed for AMD® Phenom™FX / Phenom™ / Athlon™ / Sempron™ processors. The AM2+ / AM2 socket has a different pinout from the 940-pin socket designed for the AMD Opteron™ processor. Use a CPU that is designed for the AM2+ / AM2 socket. 1.4 System memory 1.4.1 Overview This motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets. A DDR2 DIMM has the same physical dimensions as a DDR DIMM but has a 240-pin footprint compared to the 184-pin DDR DIMM. DDR2 DIMMs are notched differently to prevent installation on a DDR DIMM socket. The figure illustrates the location of the DDR2 DIMM sockets: DIMM_A1 DIMM_B1 M2N68-AM SE M2N68-AM SE 240-pin DDR2 DIMM sockets Channel Channel A Channel B Sockets DIMM_A1 DIMM_B1 1-3 Chapter 1: Product introduction

Section	Page
Notices	5
Safety information	6
About this guide	6
M2N68-AM SE specifications summary	8
Chapter 1: 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	16
1.5.1 Installing an expansion card	16
1.5.2 Configuring an expansion card	16
1.5.3 PCI slot	16
1.5.4 PCI Express x1 slot	16
1.5.5 PCI Express x16 slot	16
1.6 Jumpers	17
1.7 Connectors	18
1.7.1 Rear panel ports	18
1.7.2 Internal connectors	19
1.8 Software support	24
1.8.1 Installing an operating system	24
1.8.2 Support DVD information	24
1.8.3 ASUS Express Gate	25
Chapter 2: BIOS information	33
2.1 Managing and updating your BIOS	33
2.1.1 ASUS Update utility	33
2.1.2 ASUS EZ Flash 2 utility	34
2.1.3 ASUS CrashFree BIOS 3 utility	35
2.2 BIOS setup program	36
2.3 Main menu	36
2.3.1 System Time	36
2.3.2 System Date	36
2.3.3 IDE Configuration	37
2.3.4 Primary IDE Master/Slave	37
2.3.5 SATA 1-2	38
2.3.6 System Information	38
2.4 Advanced menu	39
2.4.1 JumperFree Configuration	39
2.4.2 CPU Configuration	41
2.4.3 Chipset	42
2.4.4 Onboard Devices Configuration	43
2.4.5 PCI PnP	43
2.4.6 USB Configuration	44
2.5 Power menu	44
2.5.1 Suspend Mode	44
2.5.2 ACPI Version Features	45
2.5.3 ACPI APIC Support	45
2.5.4 APM Configuration	45
2.5.5 Hardware Monitor	45
2.6 Boot menu	46
2.6.1 Boot Device Priority	46
2.6.2 Boot Settings Configuration	46
2.6.3 Security	47
2.7 Tools menu	48