ASRock IMB-1225 [15/40] Jumpers setup
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ASRock IMB-1225 [15/40] Jumpers setup

ASRock IMB-1225 [15/40] Jumpers setup
15
2.5 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 illus-
tration shows a 3-pin jumper whose pin1 and
pin2 are “Short” when jumper cap is placed on
these 2 pins.
Jumper Setting Description
Clear CMOS Jumpers
CLRMOS1
:
(3-pin CLRMOS1)
1-2 : Normal
(see p.8, No. 18)
2-3 : Clear CMOS
Note: CLRMOS1 allows you to clear the data in CMOS. To clear and reset the
system parameters to default setup, please turn o 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 CLRMOS1 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 nish updating the BIOS, you must boot up the system rst, and then shut
it down before you do the clear-CMOS action. Please be noted that the date, time
and user default prole will be cleared only if the CMOS battery is removed.
(2-pin CLRMOS2)
CLRMOS2
:
(see p.8, No. 18)
Open : Normal
Short : Auto Clear CMOS (Power O)
Digital Input / Output
Default Value Setting
1-2 : Pull-High
(3-pin JGPIO_SET1)
2-3 : Pull-Low
(see p.8, No. 25)
Clear CMOSDefault
Backlight Power Select (LCD_BLT_VCC) 1-2 : LCD_BLT_VCC : +5V
(3-pin BKT_PWR1)
2-3 : LCD_BLT_VCC : +12V
(see p.8, No. 12)
PWR_BAT1
Open : Normal
(2-pin PWR_BAT1)
Short : Charge Battery
(see p.8, No. 27)
3 2 1

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