ASROCK IMB-785 Service manual

13 : USB Headers (USB6_7, USB8_9)
14 : TPM Header
15 : Digital Input / Output
Pin Header
16 : Digital Input / Output Power Select
1-2: +12V
2-3: +5V
8 : System Panel Header
9 : COM3, 4, 5, 6 Headers (RS232)
10 : ATX/AT mode Selection
1-2: AT Mode
2-3: ATX Mode
11 : Clear CMOS Header
1-2: Normal
2-3: Clear CMOS
12 : Printer Port Header
1 : ATX 12V Power Connector
2 : 3-Pin CPU FAN Connector (+12V)
3 : 4-Pin CPU FAN Connector (+12V)
4 : 24-pin ATX Power Input Connector
5 : SATA3 Connectors (SATA_0, SATA_1)
SATA2 Connectors (SATA_4, SATA_5)
6 : 3-Pin Chassis FAN Connector (+12V)
7 : 4-Pin Chassis FAN Connector (+12V)
IMB-785
Jumpers and headers setting guide
8 5
4 1 GND
GND
PWRBTN#
PLED-
PLED+
RESET#
HDLED-
HDLED+
1
DUMMY
1
AFD#
ERROR#
PINIT# GND
SLIN#
STB#
SPD0
SPD1
SPD2
SPD3
SPD4
SPD5
SPD6
SPD7
ACK#
BUSY
PE
SLCT
GND
+12V
CPU_FAN_SPEED
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
GND
+12V
CHA_FAN_SPEED
FAN_SPEED_CONTROL
PIN Signal Name PIN Signal Name
1 SIO_24 2 SIO_20
3 SIO_25 4 SIO_21
5 SIO_26 6 SIO_22
7 SIO_27 8 SIO_23
9 JGPIO_PWR1 10 GND
1
GND
GND
S_PWRDWN#
LAD2
SMB_CLK_MAIN
PCICLK
PCIRST#
LAD3
+3 V
LAD0
GND
FRAME
SMB_DATA_MAIN
LAD1
SERIRQ#
GND +3 VSB
48MHz +5 V
CCTS#1
COM PWR
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRTS#1
P/ N: 15G06M005000AK V1.0
*15G06M005000AK*
ATXPWR1
DDR3_A1 ( 64 bit, 240-pin mo dule)
DDR3_B1 ( 64 bit, 240-pin mo dule)
PCI1
PCIE1
1
HD_AUDIO1
COM4
1
CMOS
Battery
HDLED RESET
PLED PWRBTN
PANEL1
1
Super
I/O
CLRCMOS1
1
BIOS
Chip
CPU_FAN1
CPU_FAN2
USB6_7
1
USB8_9
1
1
CI1
1
CI2
JGPIO_PWR1
1
PWR_JP1
1
1
LPT1
BUZZ1
1
JGP IO 1
123
4
5
6
7
9
10
11
8
12
13
14
16 15
17
18
19
20
21
22
23
24
RoHS
IMB-785
Top:
LAN
USB 2.0
T: USB4
B: USB5
USB 2.0
T: USB2
B: USB3
HDMI
Top:
Line In
Center:
Line Out
Bottom:
Mic In
COM2
VGA1
COM1
PS2
Keyboard
/Mouse
DISPLAY1
PCI3
PCI4
ATX1 2V1
AUDIO
CODEC
PCIE3
CHA_FAN1 CHA_FAN2
COM3
1
COM6
1
COM5
1
SATA_4
SATA_0
SATA_5
SATA_1
USB 3.0
T: USB0
B: USB1
PCI2
TPM1
1
26
1
PWR_LOSS1
25
JGPIO_SET1
1
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17 : Chassis Intrusion Headers
18 : Front Panel Audio Header
19 : Digital Input / Output Default Value
Setting
1-2 : +5V
2-3 : GND
20 : PWR LOSS Header
Short: Power Loss
Close: no Power Loss
21 : Audio Jacks
Blue - Line In
Green - Line Out
Pink - Mic In
22 : Top: RJ45 LAN Port
Bottom: USB2.0 (USB4_5)
23 : Top: USB2.0 (USB2_3)
Bottom: HDMI
24 : USB3.0 (USB0_1)
ATXPWR1
DDR3_A1 ( 64 bit, 240-pin mo dule)
DDR3_B1 ( 64 bit, 240-pin mo dule)
PCI1
PCIE1
1
HD_AUDIO1
COM4
1
CMOS
Battery
HDLED RESET
PLED PWRBTN
PANEL1
1
Super
I/O
CLRCMOS1
1
BIOS
Chip
CPU_FAN1
CPU_FAN2
USB6_7
1
USB8_9
1
1
CI1
1
CI2
JGPIO_PWR1
1
PWR_JP1
1
1
LPT1
BUZZ1
1
JGP IO 1
123
4
5
6
7
9
10
11
8
12
13
14
16 15
17
18
19
20
21
22
23
24
RoHS
IMB-785
Top:
LAN
USB 2.0
T: USB4
B: USB5
USB 2.0
T: USB2
B: USB3
HDMI
Top:
Line In
Center:
Line Out
Bottom:
Mic In
COM2
VGA1
COM1
PS2
Keyboard
/Mouse
DISPLAY1
PCI3
PCI4
ATX1 2V1
AUDIO
CODEC
PCIE3
CHA_FAN1 CHA_FAN2
COM3
1
COM6
1
COM5
1
SATA_4
SATA_0
SATA_5
SATA_1
USB 3.0
T: USB0
B: USB1
PCI2
TPM1
1
26
1
PWR_LOSS1
25
JGPIO_SET1
1
PIN RS232 RS422 RS485
1 DCD, Data Carrier Detect TX- RTX-
2 RXD, Receive Data RX+ N/A
3 TXD, Transmit Data TX+ RTX+
4 DTR, Data Terminal Ready RX- N/A
5 GND GND GND
6 DSR, Data Set Ready N/A N/A
7 RTS, Request To Send N/A N/A
8 CTS, Clear To Send N/A N/A
9 No Power/+5V/+12V N/A N/A
25 : Top: COM2 (RS232/422/485)*
Bottom: VGA1
26 : Top: COM1 (RS232/422/485)*
Bottom left: Display1
Bottom right: PS/2 Keyboard/Mouse
* This motherboard supports RS232/422/485 on COM1~2 ports. Please
refer to below table for the pin denition. In addition, COM1~2 ports
(RS232/422/485) can be adjusted in BIOS setup utility > Advanced
Screen > Super IO Conguration. You may refer to page 30 of our
user manual for details.
COM1~2 Port Pin Denition
+5VSB_ATX
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