ASROCK K7NF2-RAID Datasheet download pdf (Page 14)

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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

pin s, the jumper is “Short”. If no jumper cap

is placed on pin s, the jumper is “Open”. T h e

illustration shows a 3-pin jumper whose pin1

and pin2 are “Short” when jumper cap is

placed on the se 2 pin s.

Jumper Setting

FSB_SEL0

(see p.8 item 30)

FSB_SEL1

(see p.8 item 29)

Note: The setting of the CPU front side bus frequency of this motherboard is by means of the

adjustment of jumper-setting. Y ou must set the FSB jumper according to your A M D C P U

bef ore you use the “Manual” option as the FSB setting in BIOS setup to perf orm over

clocking. Ple ase f ollow the f igure s a bove to set the CPU front side bus frequency.

PS2_USB_PWR1 Short pin2, pin3 to enable

(see p.8 item 1) +5VSB (standby) for PS/2 or

USB wake up events.

Note: To sele ct +5VSB, it require s 2 Amp and higher sta ndby current provided by power

supply.

JR1

(see p.8 item 20)

JL1(see p.8 item 20)

Note: If the jumpers JL1 and JR1 are short, both front panel and rear panel audio connectors

ca n work at the same ti m e.

Clear CMOS Jumper

(CLRCMOS2)

(see p.8 item 24)

Note: CLRCMOS2 allows you to clear the data in CMOS. The data in CMOS includes system

setup inf ormation such as syste m p a ssword, date, ti me, and syste m setup parameters. To

cle ar and re set the syste m parameters to default setup, ple ase turn of f the computer and

unplug the power cord from the power supply. After waiting for 15 seconds, use a jumper

ca p to short 2 pin s o n CLRCMOS2 for 5 seconds. However, ple ase do not cle ar 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.

FSB_SEL1

1_2

FSB_SEL0

FSB 400MHz

+5V

1_2

+5VSB

2_3

JR1 JL1

2-pin jumper

FSB 266M Hz

2_3

1_2

FSB_SEL0

FSB_SEL1

FSB 333MHz

FSB_SEL0

FSB_SEL01

1_2

2_3

FSB 200M Hz

2_3

FSB_SEL0

FSB_SEL1

2_3

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 35 36

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ASROCK K7NF2-RAID Datasheet Page 14

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