ASRock IMB-781 Quick Start Manual
IMB-781
ATXPWR1
DDR 3_A 2 (64 bi t, 24 0-p in mo dul e)
DDR 3_A 1 (64 bi t, 24 0-p in mo dul e)
DDR 3_B 2 (64 bi t, 24 0-p in mo dul e)
DDR 3_B 1 (64 bi t, 24 0-p in mo dul e)
PCI1
PCIE 1
1
HD_AU DIO1
COM4
1
CMO S
Bat te ry
HDLED RESET
PLED PWR BTN
PANEL1
1
Sup er
I/O
CLRCM OS1
1
64M b
BIOS
CPU_FA N1
CPU_FA N2
USB6_ 7
1
USB8_ 9
1
1
CI1
1
CI2
JGPIO_P WR1
1
PWR_JP 1
1
1
LPT1
BUZZ 1
mi ni -S ATA
USB 12
1
JGP IO1
1
2
3
4
5
6
7
9
10
11
8
12
13
14
16
15
17
18
1920
21
22
23
24
25
26
Ro HS
IM B -78 1
Top:
LAN2
USB 3.0
T: USB 4
B: U SB5
USB 2.0
T: US B2
B: USB3
HDM I
Top:
Lin e In
Cen ter:
Lin e Ou t
Bot tom:
Mic In
COM 2
VGA 1
COM 1
PS2
Keyb oard
/Mou se
DIS PLAY1
PCIE 2
PCI3
PCI4
ATX12 V1
AUDIO
CODEC
PCIE 3
USB 13
CHA_FA N1
CHA_FA N2
COM3
1
COM6
1
COM5
1
USB10 _11
1
SATA_4
SATA_0
SATA_5
SATA_1
SATA_2
Top:
LAN1
USB 3.0
T: USB 0
B: U SB1
CFAS T1
(Op t ion al)
PCI2
TPM1
1
PW R
Jumpers and headers setting guide
1 : ATX 12V Power Connector
2 :
3-Pin CPU FAN Connector (+12V)
GND
3 :
+12V
CPU_ FAN_ SPEED
4-Pin CPU FAN Connector (+12V)
FAN _SPEE D_CON TROL
CPU_ FAN_ SPEED
+12V
4 :
5 : SATA3 Connectors
6 :
GND
24-pin ATX Power Input Connector
3-Pin Chassis FAN Connector (+12V)
7 :
4-Pin Chassis FAN Connector (+12V)
CHA_ FA N_SPE E D
GND
+12V
FAN_ SP EED_C O N TROL
8 5
4 1
8, 15 : USB2.0 Headers
9 : USB2.0 Ports
10 :
System Panel Header
11 : RS-232 Port 4 Pin Headers
1
12 : ATX/AT mode Selection
1-2: AT mode
2-3: ATX mode
13 : Clear CMOS Header
1-2: Normal
2-3: Clear CMOS
1
PW R
PL E D+
1
HD L ED +
RRXD1
DDTR# 1
TTXD 1
DDCD# 1
-
-
PL E D-
PW R BT N#
GND
HD L ED -
DDSR # 1
CCTS # 1
COM PW R
RRT S# 1
GND
+
GN D
GN D
+
GND
DU M MY
RE S ET #
NC
14 : Printer Port Header
AFD #
ERR OR #
1
STB #
SPD 0
PIN IT #
SLI N#
SPD 1
SPD 2
SPD 3
SPD 4
SPD 5
GND
SPD 6
SPD 7
ACK #
BUS Y
PE
16 : TPM Header
SMB_DATA_MAIN
SMB_CLK_MAIN
S_PWRDWN#
SERIRQ#
LAD2
GND
LAD1
GND
48MHz
GND
1
LAD3
PCIRST#
FRAME
PCICLK
LAD0
+3V
+5V
GND
+3VSB
17 : Digital Input / Output
Pin Header
PIN Signal Name PIN Signal Name
1 Digital Output 0 2 Digital Input 0
3 Digital Output 1 4 Digital Input 1
5 Digital Output 2 6 Digital Input 2
7 Digital Output 3 8 Digital Input 3
9 JGPIO_PWR1 10 GND
SLC T
18 : Digital Input / Output Power select
1-2: +12V
2-3: +5V
ATXPWR1
DDR 3_A 2 (64 bi t, 24 0-p in mo dul e)
DDR 3_A 1 (64 bi t, 24 0-p in mo dul e)
DDR 3_B 2 (64 bi t, 24 0-p in mo dul e)
DDR 3_B 1 (64 bi t, 24 0-p in mo dul e)
PCI1
PCIE 1
1
HD_AU DIO1
COM4
1
CMO S
Bat te ry
HDLED RESET
PLED PWR BTN
PANEL1
1
Sup er
I/O
CLRCM OS1
1
64M b
BIOS
CPU_FA N1
CPU_FA N2
USB6_ 7
1
USB8_ 9
1
1
CI11CI2
JGPIO_P WR1
1
PWR_JP 1
1
1
LPT1
BUZZ 1
mi ni -S ATA
USB 12
1
JGP IO1
1
2
3
4
5
6
7
9
10
11
8
12
13
14
16
15
17
18
1920
21
22
23
24
25
26
Ro HS
IM B -78 1
Top:
LAN2
USB 3.0
T: USB 4
B: U SB5
USB 2.0
T: US B2
B: USB3
HDM I
Top:
Lin e In
Cen ter:
Lin e Ou t
Bot tom:
Mic In
COM 2
VGA 1
COM 1
PS2
Keyb oard
/Mou se
DIS PLAY1
PCIE 2
PCI3
PCI4
ATX12 V1
AUDIO
CODEC
PCIE 3
USB 13
CHA_FA N1
CHA_FA N2
COM3
1
COM6
1
COM5
1
USB10 _11
1
SATA_4
SATA_0
SATA_5
SATA_1
SATA_2
Top:
LAN1
USB 3.0
T: USB 0
B: U SB1
CFAS T1
(Op t ion al)
PCI2
TPM1
1
19 : Chassis Intrusion Headers
20 :
Front Panel Audio Header
GND
PRESENCE #
MIC_RET
OUT_RET
1
21 :
Audio Jacks
MIC2_R
MIC2_L
J_SENSE
OUT2_R
OUT2_L
Blue - Line In
Green - Line Out
Pink - Mic In
22 :
Top : RJ45 LAN Port 2
Bottom : USB3.0 (USB3_4_5)
23 : Top : USB2.0 (USB2_3)
Bottom : HDMI
24 :
Top : RJ45 LAN Port 1
Bottom : USB3.0 (USB3_0_1)
25 :
Top : COM2
Bottom : VGA1
1
Si g na l
GN D
26 :
Top : COM1
Bottom left: Display1
Bottom right: PS/2 Keyboard/Mouse
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