ASROCK H55M/USB3 R2.0 User Manual download pdf (Page 19)

1919

+5V

1_2

+5VSB

2_3

Clear CMOS

2_3

1_2

Default

2.7 Jumpers Setup2.7 Jumpers Setup

2.7 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 Description

PS2_USB_PWR1 Short pin2, pin3 to enable

(see p.11, No. 2) +5VSB (standby) for PS/2

or USB45 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.11, No. 32) +5V_DUAL for USB1/23

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.

USB_PWR3 Short pin2, pin3 to enable

(see p.11, No. 15) +5VSB (standby) for

USB6_7/8_9/10_11wake up

events.

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

power supply.

Clear CMOS Jumper

(CLRCMOS1)

(see p.11, No. 20)

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.

+5V

1_2

+5VSB

2_3

+5V

1_2

+5V_DUAL

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ASROCK H55M/USB3 R2.0 User Manual Page 19

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