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Chapter 1: Product introduction
P4P800S SE
®
P4P800S SE Keyboard Power Setting
(Default)
+5V +5VSB
KBPWR1
2312
P4P800S SE
®
P4P800S SE USB Device Wake Up
3
2
21
+5V
(Default)
+5VSB
USBPW78
USBPW56
3
2
21
+5V
(Default)
+5VSB
USBPW12
USBPW34
2. USB device wake-up (3-pin USBPW12, USBPW34, USBPW56, USBPW78)
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 to +5VSB to wake up from S3 sleep mode (no
power to CPU, DRAM in slow refresh, power supply in reduced power mode).
All jumpers are set to pins 1-2 (+5V) by default because not all computers have
the appropriate power supply to support this feature.
The USBPW12 and USBPW34 jumpers are for the rear USB ports. The
USBPW56 and USBPW78 jumpers are for the internal USB header that you
can connect to the front USB ports.
3. Keyboard power (3-pin KBPWR1)
This jumper allows you to enable or disable the keyboard wake-up feature. Set
this jumper to pins 2-3 (+5VSB) if you wish to wake up the computer when you
press a key on the keyboard (the default value is [Disabled]). This feature
requires an ATX power supply that can supply at least 1A on the +5VSB lead,
and a corresponding setting in the BIOS (see section 2.5.1 Power Up Control).
1. This feature requires a power supply that can provide at least 2A on the
+5VSB lead when these jumpers are set to +5VSB. Otherwise, the system
does not power up.
2. The total current consumed must NOT exceed the power supply
capability (+5VSB) whether under normal or in sleep mode.