ASROCK P55 PRO/USB3 User Manual download pdf (Page 26)

2626

+5V

1_2

+5VSB

2_3

2.92.9

2.9

Jumpers SetupJumpers Setup

Jumpers Setup

The illustration shows how jumpers are

setup. When the jumper cap is placed on

pins, the jumper is “Short”. If no jumper cap

is placed on pins, the jumper is “Open”. The

illustration shows a 3-pin jumper whose pin1

and pin2 are “Short” when jumper cap is

placed on these 2 pins.

Jumper Setting

PS2_USB_PWR1 Short pin2, pin3 to enable

(see p.12, No. 1) +5VSB (standby) for PS/2 or

USB67 wake up events.

Note: To select +5VSB, it requires 2 Amp and higher standby current provided by

power supply.

USB_PWR2 Short pin2, pin3 to enable

(see p.12, No. 41) +5V_DUAL for USB01/23/45

wake up events.

Note: To select +5V_DUAL, it requires 2 Amp and higher standby current provided

by power supply. When you select +5V_DUAL, USB devices can wake up

the system under S3 (Suspend to RAM) state. To support ErP/EuP

requirement, please set this jumper to +5V.

USB_PWR3 Short pin2, pin3 to enable

(see p.12, No. 22) +5VSB (standby) for

USB8_9/10_11/12_13 wake

up events.

Note: To select +5VSB, it requires 2 Amp and higher standby current provided by

power supply.

Clear CMOS Jumper

(CLRCMOS1)

(see p.12, No. 28)

Note: CLRCMOS1 allows you to clear the data in CMOS. The data in CMOS includes

system setup information such as system password, date, time, and system

setup parameters. To clear and reset the system parameters to default setup,

please turn off the computer and unplug the power cord from the power

supply. After waiting for 15 seconds, use a jumper cap to short pin2 and pin3

on CLRCMOS1 for 5 seconds. However, please do not clear the CMOS right

after you update the BIOS. If you need to clear the CMOS when you just finish

updating the BIOS, you must boot up the system first, and then shut it down

before you do the clear-CMOS action.

Clear CMOS

2_3

1_2

Default

+5V

1_2

+5VSB

2_3

+5V

1_2

+5V_DUAL

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ASROCK P55 PRO/USB3 User Manual Page 26

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