ASROCK IMB-185 Service manual

LAN1
USB 3.0
T: USB1
B: USB0
Top:
Line
Out
Bottom:
Mic In
DDR3_B1
DDR3_A1
PCIE1
BUZZ1
CMOS
Battery
CPU_FAN1
CLRCOMOS1
1
BIOS
Chip
PANE L 1
HDLED RESET
PLED PWRBTN
1
SATA_ 4
BLT_VOL1
1
BLT_PWR1
1
SPEAKER1
1
1
USB10_11
1
HD_AUDIO1
BKT_PWR1
1
mini-SATA
IMB-185
21
24
26
29
30
22
23
25
27
28
31
1
CI1
1
JGP I O1
12345678910
11
12
13
14
15
16
20
1
USB8_9
1
USB4_5
CON1
PS2_KB_MS1
1
1
CI2
SATA_ 5
LVDS 1
1
1
PNL_PWR1
BLT_PWM1
HDMI1
ATXPWR1
COM4
1
COM6
1
COM5
1
SATA_ 0
SATA_ 1
PWR_JP1
1
CHA_FAN1
COM1 COM2
COM3
VGA1
LAN2
USB 2.0
T: USB3
B: USB2
1
TPM 1
JGPIO_JP1
1
JGPIO_PWR1
1
MSATA_SEL1
1
17
1819
PWR_LOSS1
1
32
11 : 4-pin ATX Power Input Connector
12 : TPM Header
13 : System Panel Header
14 : 3W Audio AMP Output Wafer
15 : Digital Input / Output
Pin Header
1 6 : 4-Pin Chassis FAN Connector (+12V)
6 : BLT_PWM1
1-2: +3V Level
2-3: +5V Level
7 : PS2_KB_MS1
8 : COM4, 5, 6 Headers (RS232)
9 : 4-Pin Chassis FAN Connector (+12V)
10 : Chassis Intrusion Headers
CI1:
Close: Active case open
Open: Normal
Cl2:
Close: Normal
Open: Active case open
1 : Backlight Power Connector
2 : Backlight Volume Control
3 : 24-pin ATX Power Input Connector
4 : PNL_PWR1
1-2: LVDD: +3V
2-3: LVDD: +5V
4-5: LVDD: +12V
5 : Backlight Power Selection
1-2: +5V
2-3: +12V
PIN Signal Name PIN Signal Name
1 SIO_GP24 2 SIO_GP20
3 SIO_GP25 4 SIO_GP21
5 SIO_GP26 6 SIO_GP22
7 SIO_GP27 8 SIO_GP23
9 JGPIO_PWR1 10 GND
1
PIN Signal Name
1 GND
2 GND
3 BL CTL
4 BL EN
5 LCD_BLT_VCC
6 LCD_BLT_VCC
PIN Signal Name
1 GPIO_VOL_UP
2 GPIO_VOL_DW
3 PWRDN
4 LVDS1 BLUP
5 LVDS1 BLDW
6 GND
7 GND
1
1
PIN Signal Name
1 KBCLK
2 +5V
3 KBDATA
4 +5V
5 MSDATA
6 GND
7 MSCLK
8 GND
1
2
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
1
GND
+1 2V
CHA_FAN_SPEED
FAN_SPEED_CONTROL
Jumpers and headers setting guide
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
PIN Signal Name
1 SPK L-
2 SPK L+
3 SPK R+
4 SPK R-
PIN Signal Name PIN Signal Name
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 No Power/+5V/+12V
5 GND 10 NC
IMB-185
The terms HDMI™ and HDMI High-Denition
Multimedia Interface, and the HDMI logo are
trademarks or registered trademarks of HDMI
Licensing LLC in the United States and other
countries.

25 : Audio Jacks
Green - Line Out
Pink - Mic In
26 : Top: RJ45 LAN Port2
Bottom: USB2.0 (USB_2_3)
27 : Top: RJ45 LAN Port1
Bottom: USB3.0 (USB_0_1)
28 : Top: COM3 (RS232/422/485)*
Bottom: VGA1
29 : USB2.0 Connectors
(USB4_5, USB8_9,
USB10_11)
30 : Top: COM1 (RS232/422/485)*
Bottom: COM2 (RS232/422/485)*
31 : LVDS Panel Connector 32 : HDMI1
17 : Digital Input / Output Power
Select
1-2: +12V
2-3: +5V
18 : GPIO Default Setting
1-2: +5V
2-3: GND
19 : mSATA Select
Open: Use SATA_5
Close: Use mSATA
20 : Clear CMOS Header
1-2: Normal
2-3: Clear CMOS
21 : ATX/AT Mode Jumper
1-2: AT Mode
2-3: ATX Mode
22 : SATA3 Connectors (SATA_0, SATA_1)
SATA2 Connectors (SATA_4, SATA_5)
23 : Power Loss Jumper
Short: Power Loss
Close: no Power Loss
24 : Front Panel Audio Header
J_SENSE
OUT2_L
1
MIC_RET
PRESENCE#
GND
OUT2_R
MIC2_R
MIC2_L
OUT_RET
PIN Signal Name PIN Signal Name
1 LVDD 2 LVDD
3 +3V 4 N/A
5 N/A 6 LVDS_A_DATA0#
7 LVDS_A_DATA0 8 GND1
9 LVDS_A_DATA1# 10 LVDS_A_DATA1
11 GND6 12 LVDS_A_DATA2#
13 LVDS_A_DATA2 14 GND2
15 LVDS_A_DATA3# 16 LVDS_A_DATA3
17 GND7 18 LVDS_A_CLK#
19 LVDS_A_CLK 20 GND3
21 LVDS_B_DATA0# 22 LVDS_B_DATA0
23 GND8 24 LVDS_B_DATA1#
25 LVDS_B_DATA1 26 GND4
27 LVDS_B_DATA2# 28 LVDS_B_DATA2
29 DPLVDD_EN 30 LVDS_B_DATA3#
31 LVDS_B_DATA3 32 GND5
33 LVDS_B_CLK# 34 LVDS_B_CLK
35 GND9 36 CON_LBKLT_EN
37 CON_LBKLT_CTR 38 LCD_BLT_VCC
39 LCD_BLT_VCC 40 LCD_BLT_VCC
LAN1
USB 3.0
T: USB1
B: USB0
Top:
Line
Out
Bottom:
Mic In
DDR3_B1
DDR3_A1
PCIE1
BUZZ1
CMOS
Battery
CPU_FAN1
CLRCOMOS1
1
BIOS
Chip
PANE L 1
HDLED RESET
PLED PWRBTN
1
SATA_ 4
BLT_VOL1
1
BLT_PWR1
1
SPEAKER1
1
1
USB10_11
1
HD_AUDIO1
BKT_PWR1
1
mini-SATA
IMB-185
21
24
26
29
30
22
23
25
27
28
31
1
CI1
1
JGP I O1
12345678910
11
12
13
14
15
16
20
1
USB8_9
1
USB4_5
CON1
PS2_KB_MS1
1
1
CI2
SATA_ 5
LVDS 1
1
1
PNL_PWR1
BLT_PWM1
HDMI1
ATXPWR1
COM4
1
COM6
1
COM5
1
SATA_ 0
SATA_ 1
PWR_JP1
1
CHA_FAN1
COM1 COM2
COM3
VGA1
LAN2
USB 2.0
T: USB3
B: USB2
1
TPM 1
JGPIO_JP1
1
JGPIO_PWR1
1
MSATA_SEL1
1
17
1819
PWR_LOSS1
1
32
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
* This motherboard supports RS232/422/485 on COM1~3 ports. Please
refer to below table for the pin denition. In addition, COM1~3 ports
(RS232/422/485) can be adjusted in BIOS setup utility > Advanced
Screen > Super IO Conguration. You may refer to page 31 of our
user manual for details.
COM1~3 Port Pin Denition
NC
GN D
GN D
+
-
PW R
+
-
PW R
1
+5VSB_ATX