Asus B75M-PLUS B75M-PLUS User's Manual - Page 20

Keyboard and USB device wake-up KB_USBPWB, USB device wake-up USBPWF, B75M-PLUS USB device wake up - cpu

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• If the steps above do not help, remove the onboard battery and move the jumper again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery. • You do not need to clear the RTC when the system hangs due to overclocking. For system failure due to overclocking, use the CPU Parameter Recall (C.P.R.) feature. Shut down and reboot the system, then the BIOS automatically resets parameter settings to default values. 2. Keyboard and USB device wake-up (KB_USBPWB) This jumper allows you to enable or disable the P/S 2 device 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 P/S 2 keyboard or by clicking on the P/S 2 mouse. This feature requires an ATX power supply that can supply at least 1A on the +5VSB lead, and a corresponding setting in the BIOS. B75M-PLUS KB_USBPWB 12 23 +5V +5VSB (Default) B75M-PLUS Keyboard and USB device wake up 3. USB device wake-up (USBPWF) Set this jumper 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 to +5VSB to wake up from S3 and S4 sleep modes (no power to CPU, DRAM in slow refresh, power supply in reduced power mode). USBPWF B75M-PLUS 12 23 +5V +5VSB (Default) B75M-PLUS USB device wake up 1-12 Chapter 1: Product introduction

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1-12
Chapter 1: Product introduction
•
If the steps above do not help, remove the onboard battery and move the jumper
again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the
battery.
•
You do not need to clear the RTC when the system hangs due to overclocking. For
system failure due to overclocking, use the CPU Parameter Recall (C.P.R.) feature.
Shut down and reboot the system, then the BIOS automatically resets parameter
settings to default values.
2.
Keyboard and USB device wake-up (KB_USBPWB)
This jumper allows you to enable or disable the P/S 2 device 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 P/S 2 keyboard or by clicking on the P/S 2 mouse. This feature requires an
ATX power supply that can supply at least 1A on the +5VSB lead, and a corresponding
setting in the BIOS.
3.
USB device wake-up (USBPWF)
Set this jumper 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 to +5VSB to wake up from S3 and S4 sleep modes (no power to CPU,
DRAM in slow refresh, power supply in reduced power mode).
B75M-PLUS
+5V
+5VSB
(Default)
KB_USBPWB
B75M-PLUS Keyboard and USB device wake up
1
2
2
3
B75M-PLUS
2
1
2
3
+5V
(Default)
+5VSB
USBPWF
B75M-PLUS USB device wake up