ASRock IMB-A180 manual ATX/AT Mode Jumper

ATX/AT Mode Jumper	1-2 : AT Mode
(3-pin PWR_JP1)	2-3 : ATX Mode
(see p.8, No. 15)
Digital Input / Output Power	1-2 : +12V
select	2-3 : +5V
(3-pin PWR_JP1)
(see p.8, No. 16)
Backlight Control Signal	1-2 : +3V Level
Setting Jumper	2-3 : +5V Level
(3-pin BKT_CTL1)
(see p.8, No. 7)
COM Port Pin9/Power	1-2 : +12V
Setting Jumpers	2-3 : +5V
(3-pin SET_CM1)
(see p.8, No. 5)
(3-pin SET_CM2)
(see p.8, No. 6)
(3-pin SET_CM3)
(see p.8, No. 19)
(3-pin SET_CM4)
(see p.8, No. 20)

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