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ASUS CrashFree BIOS 3 utility - boot from usb

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4.1.5 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can update a corrupted BIOS file using the motherboard support CD or a USB flash disk that contains the updated BIOS file. • Prepare the motherboard support CD or the USB flash disk containing the updated motherboard BIOS before using this utility. • For the P5K SE/EPU motherboard, this utility will not function when you use a PATA optical drive. • Always connect the SATA cable to the SATA1 / SATA 2 connector; otherwise, the utility will not function. Recovering the BIOS from the support CD To recover the BIOS from the support CD: 1. Turn on the system. 2. Insert the motherboard support CD to the optical drive. 3. The utility displays the following message and automatically checks the CD for the BIOS file. Bad BIOS checksum. Starting BIOS recovery... Checking for floppy... When found, the utility reads the BIOS file and starts flashing the corrupted BIOS file. Bad BIOS checksum. Starting BIOS recovery... Checking for floppy... Floppy found! Reading file "P5KSEEPU.ROM". Completed. Start flashing... 4. Restart the system after the utility completes the updating process. Recovering the BIOS from a USB flash disk To recover the BIOS from a USB flash disk: 1. Insert a USB flash disk that contains BIOS file to the USB port. 2. Turn on the system. 3. The utility will automatically checks the devices for the BIOS file When found, the utility reads the BIOS file and starts flashing the corrupted BIOS file. 4. Restart the system after the utility completes the updating process. • Only the USB flash disk with FAT 32/16 format and single partition can support ASUS CrashFree BIOS 3. The device size should be smaller than 8GB. • DO NOT shut down or reset the system while updating the BIOS! Doing so can cause system boot failure! 4-8 Chapter 4: BIOS setup

Section	Page
Contents	3
Notices	7
Safety information	8
About this guide	9
P5K SE/EPU specifications summary	11
Chapter 1: Product introduction	13
1.1 Welcome!	15
1.2 Package contents	15
1.3 Special features	16
1.3.1 Product highlights	16
1.3.2 ASUS AI Lifestyle features	18
1.3.3 ASUS Stylish features	19
1.3.4 ASUS Intelligent Overclocking features	20
Chapter 2: Hardware information	21
2.1 Before you proceed	23
2.2 Motherboard overview	24
2.2.1 Placement direction	24
2.2.2 Screw holes	24
2.2.3 Motherboard layout	25
2.2.4 Layout contents	26
2.3 Central Processing Unit (CPU)	28
2.3.1 Installing the CPU	29
2.3.2 Installing the CPU heatsink and fan	31
2.3.3 Uninstalling the CPU heatsink and fan	33
2.4 System memory	35
2.4.1 Overview	35
2.4.2 Memory configurations	36
2.4.3 Installing a DIMM	40
2.4.4 Removing a DIMM	40
2.5 Expansion slots	41
2.5.1 Installing an expansion card	41
2.5.2 Configuring an expansion card	41
2.5.3 Interrupt assignments	42
2.5.4 PCI slots	43
2.5.5 PCI Express x1 slots	43
2.5.6 PCI Express x16 slot	43
2.6 Jumpers	44
2.7 Connectors	46
2.7.1 Rear panel connectors	46
2.7.2 Internal connectors	48
Chapter 3: Powering up	59
3.1 Starting up for the first time	61
3.2 Turning off the computer	62
3.2.1 Using the OS shut down function	62
3.2.2 Using the dual function power switch	62
Chapter 4: BIOS setup	63
4.1 Managing and updating your BIOS	65
4.1.1 ASUS Update utility	65
4.1.2 Creating a bootable floppy disk	68
4.1.3 ASUS EZ Flash 2 utility	69
4.1.4 AFUDOS utility	70
4.1.5 ASUS CrashFree BIOS 3 utility	72
4.2 BIOS setup program	73
4.2.1 BIOS menu screen	74
4.2.2 Menu bar	74
4.2.3 Navigation keys	74
4.2.4 Menu items	75
4.2.5 Sub-menu items	75
4.2.6 Configuration fields	75
4.2.7 Pop-up window	75
4.2.8 Scroll bar	75
4.2.9 General help	75
4.3 Main menu	76
4.3.1 System Time [xx:xx:xx]	76
4.3.2 System Date [Day xx/xx/xxxx]	76
4.3.3 Legacy Diskette A [1.44M, 3.5 in.]	76
4.3.4 SATA 1-4	77
4.3.5 SATA Configuration	78
4.3.6 System Information	79
4.4 Advanced menu	80
4.4.1 Jumperfree Configuration	80
4.4.2 AI NET 2	83
4.4.3 USB Configuration	84
4.4.4 CPU Configuration	85
4.4.5 Chipset	86
4.4.6 OnBoard Devices Configuration	87
4.4.7 PCI PnP	88
4.5 Power menu	89
4.5.1 Suspend Mode [Auto]	89
4.5.2 Repost Video on S3 Resume [Disabled]	89
4.5.3 ACPI Version [Disabled]	89
4.5.4 ACPI APIC Support [Enabled]	89
4.5.5 APM Configuration	90
4.5.6 Hardware Monitor	91
4.6 Boot menu	93
4.6.1 Boot Device Priority	93
4.6.2 Boot Settings Configuration	94
4.6.3 Security	95
4.7 Tools menu	97
4.7.1 ASUS EZ Flash 2	97
4.7.2 ASUS O.C. Profile	98
4.8 Exit menu	99
Chapter 5: Software support	101
5.1 Installing an operating system	103
5.2 Support CD information	103
5.2.1 Running the support CD	103
5.2.2 Drivers menu	104
5.2.3 Utilities menu	105
5.2.4 Manual menu	107
5.2.5 ASUS Contact information	107
5.2.6 Other information	108
5.3 Software information	110
5.3.1 ASUS MyLogo2™	110
5.3.2 Audio configurations	112
5.3.3 ASUS PC Probe II	116
5.3.4 ASUS AI Suite	122
5.3.5 ASUS EPU Utility -- AI Gear 3+	124
5.3.6 ASUS AI Nap	126
5.3.7 ASUS Q-Fan 2	127
5.3.8 ASUS AI Booster	128
Appendix: CPU features	129
A.1 Intel® EM64T	131
A.2 Enhanced Intel SpeedStep® Technology (EIST)	131
A.2.1 System requirements	131
A.2.2 Using the EIST	132
A.3 Intel® Hyper-Threading Technology	133