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Asus M4A78LT PLUS User Manual - Page 25

M4A78LT PLUS Keyboard power setting

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2. USB device wake-up (3-pin USBPW1-6, USBPW7-10) Set these jumpers to +5V to wake up the computer from S1 sleep mode (CPU stopped, DRAM refreshed, system running in low power mode) using the connected USB devices. Set these jumpers to +5VSB to wake up the compurer from S3 and S4 sleep modes (no power to CPU, DRAM in slow refresh, power supply in reduced power mode). USBPW1-6 12 23 +5V +5VSB (Default) M4A78LT PLUS USBPW7-10 12 23 +5V +5VSB (Default) M4A78LT PLUS USB device wake-up 3. Keyboard power (3-pin KBPWR) This jumper allows you to enable or disable the keyboard wake-up feature. When you set this jumper to pins 2-3 (+5VSB), you can wake up the computer by pressing a key on the keyboard. This feature requires an ATX power supply that can supply at least 1A on the +5VSB lead, and a corresponding setting in the BIOS. KBPWR +5V +5VSB (Default) 12 23 M4A78LT PLUS M4A78LT PLUS Keyboard power setting ASUS M4A78LT PLUS 1-15

Section	Page
Notices	6
Safety information	7
About this guide	8
M4A78LT PLUS specifications summary	9
Chapter 1	11
Product introduction	11
1.1 Before you proceed	11
1.2 Motherboard overview	12
1.2.1 Placement direction	12
1.2.2 Screw holes	12
1.2.3 Motherboard layout	13
1.2.4 Layout contents	14
1.3 Central Processing Unit (CPU)	14
1.3.1 Installing the CPU	14
1.3.2 Installing the heatsink and fan	16
1.4 System memory	17
1.4.1 Overview	17
1.4.2 Memory configurations	18
1.4.3 Installing a DIMM	21
1.4.4 Removing a DIMM	22
1.5 Expansion slots	23
1.5.1 Installing an expansion card	23
1.5.2 Configuring an expansion card	23
1.5.3 PCI slot	23
1.5.4 PCI Express x1 slot	23
1.5.5 PCI Express x16 slot	23
1.6 Jumpers	24
1.7 Connectors	26
1.7.1 Rear panel ports	26
1.7.2 Internal connectors	27
1.8 Software support	32
1.8.1 Installing an operating system	32
1.8.2 Support DVD information	32
Chapter 2	33
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	34
2.1.3 ASUS CrashFree BIOS 3	35
2.1.4 ASUS BIOS Updater	36
2.2 BIOS setup program	39
2.2.1 BIOS menu screen	40
2.2.2 Menu bar	40
2.2.3 Navigation keys	40
2.2.4 Menu items	41
2.2.5 Submenu items	41
2.2.6 Configuration fields	41
2.2.7 Pop-up window	41
2.2.8 Scroll bar	41
2.2.9 General help	41
2.3 Main menu	42
2.3.1 System Time [xx:xx:xx]	42
2.3.2 System Date [Day xx/xx/xxxx]	42
2.3.3 SATA 1~4	42
2.3.4 SATA Configuration	43
2.3.5 System Information	44
2.4 Advanced menu	45
2.4.1 CPU Configuration	45
2.4.2 Chipset	46
2.4.3 Onboard Devices Configuration	46
2.4.4 PCIPnP	47
2.4.5 USB Configuration	47
2.5 Power menu	48
2.5.1 Suspend Mode [Auto]	48
2.5.2 ACPI 2.0 Support [Enabled]	48
2.5.3 ACPI APIC Support [Enabled]	49
2.5.4 APM Configuration	49
2.5.5 HW Monitor Configuration	49
2.5.6 EuP Ready [Disabled]	50
2.6 Boot menu	50
2.6.1 Boot Device Priority	51
2.6.2 Boot Settings Configuration	51
2.6.3 Security	51
2.7 Tools menu	53
2.7.1 ASUS EZ Flash 2	53
2.7.2 ASUS O.C. Profile	53