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Asus P5W64 WS PRO Motherboard Installation Guide - Page 40

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2.4.2 Memory configurations You may install 512 MB, 1 GB, and 2 GB unbuffered DDR3 DIMMs into the DIMM sockets. Recommended Memory Configurations Mode DIMM_A1 Sockets DIMM_A2 DIMM_B1 DIMM_B2 Populated - - - Single-Channel - - Populated - Dual-channel (1) Populated - Populated - Dual-channel (2) Populated Populated Populated Populated • You may install varying memory sizes in Channel A and Channel B. The system maps the total size of the lower-sized channel for the dual-channel configuration. Any excess memory from the higher-sized channel is then mapped for single-channel operation. • Always install DIMMs with the same CAS latency. For optimum compatibility, it is recommended that you obtain memory modules from the same vendor. • If you install four 1GB memory modules, the system may only recognize less than 3GB of total memory because of address space allocation for other critical functions. This limitation appears on Windows® Vista 32-bit / Windows® XP 32-bit operation systems since it does not support Physical Address Extension (PAE) mode. • If you install Windows® Vista 32-bit / Windows® XP 32-bit operation system, a total memory of less than 3GB is recommended. • This motherboard does not support memory modules made up of 128 Mb chips or double sided x16 memory modules. Due to chipset limitation, this motherboard can only support up to 8 GB on the operating systems listed below. You may install a maximum of 2 GB DIMMs on each slot. 64-bit Windows® XP Professional x64 Edition Windows® Vista x64 Edition 2-14 Chapter 2: Hardware information

Section	Page
Contents	3
Notices	8
Safety information	9
About this guide	10
P5E64 WS Evolution specifications	12
Chapter 1: Product introduction	15
1.1 Welcome!	17
1.2 Package contents	17
1.3 Special features	18
1.3.1 Product highlights	18
1.3.2 ASUS special features	20
1.3.3 ASUS stylish features	23
1.3.4 ASUS intelligent overclocking features	23
Chapter 2: Hardware information	25
2.1 Before you proceed	27
2.2 Motherboard overview	28
2.2.1 Placement direction	28
2.2.2 Screw holes	28
2.2.3 Motherboard layout	29
2.2.4 Layout contents	30
2.3 Central Processing Unit (CPU)	32
2.3.1 Installing the CPU	33
2.3.2 Installing the CPU heatsink and fan	35
2.3.3 Uninstalling the CPU heatsink and fan	37
2.4 System memory	39
2.4.1 Overview	39
2.4.2 Memory configurations	40
2.4.3 Installing a DIMM	44
2.4.4 Removing a DIMM	44
2.5 Expansion slots	45
2.5.1 Installing an expansion card	45
2.5.2 Configuring an expansion card	45
2.5.3 Interrupt assignments	46
2.5.4 PCI slots	47
2.5.5 PCI Express x4 slot	47
2.5.6 PCI Express 2.0 x16 slots (blue)	47
2.5.7 Universal PCI Express x16 slots (black)	47
2.5.8 AI Slot Detector	48
2.6 Jumpers	49
2.7 Connectors	50
2.7.1 Rear panel connectors	50
2.7.2 Internal connectors	52
2.8 G.P. Diagnosis card installation	63
2.8.1 G.P. Diagnosis card layout	63
2.8.2 Installing G.P. Diagnosis card	63
2.8.3 G.P. Diagnosis card check codes	64
Chapter 3: Powering up	65
3.1 Starting up for the first time	67
3.2 Turning off the computer	68
3.2.1 Using the OS shut down function	68
3.2.2 Using the dual function power switch	68
Chapter 4: BIOS setup	69
4.1 Managing and updating your BIOS	71
4.1.1 ASUS Update utility	71
4.1.2 Creating a bootable floppy disk	74
4.1.3 ASUS EZ Flash 2 utility	75
4.1.4 AFUDOS utility	76
4.1.5 ASUS CrashFree BIOS 3 utility	78
4.2 BIOS setup program	79
4.2.1 BIOS menu screen	80
4.2.2 Menu bar	80
4.2.3 Navigation keys	80
4.2.4 Menu items	81
4.2.5 Sub-menu items	81
4.2.6 Configuration fields	81
4.2.7 Pop-up window	81
4.2.8 Scroll bar	81
4.2.9 General help	81
4.3 Main menu	82
4.3.1 System Time [xx:xx:xx]	82
4.3.2 System Date [Day xx/xx/xxxx]	82
4.3.3 Legacy Diskette A [1.44M, 3.5 in.]	82
4.3.4 Language [English]	82
4.3.5 SATA 1~6	83
4.3.6 SATA Configuration	84
4.3.7 AHCI Configuration	85
4.3.8 System Information	86
4.4 Ai Tweaker menu	87
4.4.1 Ai Overclock Tuner [Auto]	87
4.4.2 CPU Ratio Setting [Auto]	88
4.4.3 FSB Strap to North Bridge [Auto]	88
4.4.4 DRAM Frequency [Auto]	89
4.4.5 DRAM Command Rate [Auto]	89
4.4.6 DRAM CMD Skew on Channel A/B [Auto]	90
4.4.7 DRAM CLK Skew on Channel A/B [Auto]	90
4.4.8 DRAM Timing Control [Auto]	90
4.4.9 DRAM Static Read Control [Auto]	92
4.4.10 DRAM Dynamic Write Control [Auto]	92
4.4.11 Ai Clock Twister [Auto]	92
4.4.12 Ai Transaction Booster [Auto]	92
4.4.13 CPU Voltage [Auto]	92
4.4.14 CPU PLL Voltage [Auto]	93
4.4.15 FSB Termination Voltage [Auto]	93
4.4.16 DRAM Voltage [Auto]	93
4.4.17 NB Voltage [Auto]	93
4.4.18 SB Voltage [Auto]	94
4.4.19 Clock Over-Charging Voltage [Auto]	94
4.4.20 Load-Line Calibration [Auto]	94
4.4.21 CPU GTL Voltage Reference [Auto]	94
4.4.22 NB GTL Voltage Reference [Auto]	94
4.4.23 CPU Spread Spectrum [Auto]	94
4.4.24 PCIE Spread Spectrum [Auto]	94
4.5 Advanced menu	95
4.5.1 CPU Configuration	95
4.5.2 Chipset	97
4.5.3 Onboard Devices Configuration	98
4.5.4 USB Configuration	99
4.5.5 PCI PnP	100
4.6 Power menu	101
4.6.1 Suspend Mode [Auto]	101
4.6.2 Repost Video on S3 Resume [Disabled]	101
4.6.3 ACPI 2.0 Support [Disabled]	101
4.6.4 ACPI APIC Support [Enabled]	101
4.6.5 APM Configuration	102
4.6.6 Hardware Monitor	103
4.7 Boot menu	105
4.7.1 Boot Device Priority	105
4.7.2 Boot Settings Configuration	106
4.7.3 Security	107
4.8 Tools menu	109
4.8.1 ASUS EZ Flash 2	109
4.8.2 ASUS O.C. Profile	110
4.8.3 Ai Net 2	111
4.9 Exit menu	112
Chapter 5: Software support	113
5.1 Installing an operating system	115
5.2 Support DVD information	115
5.2.1 Running the support DVD	115
5.2.2 Drivers menu	116
5.2.3 Utilities menu	117
5.2.4 Make Disk menu	119
5.2.5 Manual menu	120
5.2.6 ASUS Contact information	120
5.2.7 Other information	121
5.3 Software information	123
5.3.1 ASUS MyLogo2™	123
5.3.2 AI NET2	125
5.3.3 ASUS PC Probe II	126
5.3.4 ASUS AI Suite	132
5.3.5 ASUS EPU Utility -- AI Gear 3	134
5.3.6 ASUS AI Nap	135
5.3.7 ASUS Q-Fan 2	136
5.3.8 ASUS AI Booster	137
5.3.9 AI Audio 2 (SoundMAX® High Definition Audio utility)	138
5.4 RAID configurations	147
5.4.1 RAID definitions	147
5.4.2 Installing Serial ATA hard disks	148
5.4.3 Intel® RAID configurations	148
5.5 Creating a RAID driver disk	158
5.5.1 Creating a RAID driver disk without entering the OS	158
5.5.2 Creating a RAID/SATA driver disk in Windows®	158
Chapetr 6: ATI® CrossFire™ technology support	161
6.1 Overview	163
6.1.1 Requirements	163
6.1.2 Before you begin	163
6.2 Installing CrossFire™ graphics cards	164
6.3 Software information	167
6.3.1 Installing the device drivers	167
6.3.2 Using the Catalyst™ Control Center	169
Appendix: CPU features	175
A.1 Intel® EM64T	177
Using the Intel® EM64T feature	177
A.2 Enhanced Intel SpeedStep® Technology (EIST)	177
A.2.1 System requirements	177
A.2.2 Using the EIST	178
A.3 Intel® Hyper-Threading Technology	179