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List of all motherboard connectors and headers:
1 : 2-pin UPS Module Power Input Connector
2 : 4-pin ATX Power Input/Output Connector
3 : USB2.0 Headers (USB2_0_1, USB2_2_3)
4 : SATA3 Connectors (SATA3_1, SATA3_2)
5 : COM1, 2, 3, 4 PWR Setting Jumpers
6 : Digital Input / Output Pin Header
7 : ATX/AT Mode Jumper (PWR_JP1)
8 : COM Port Header (COM1)
9 : COM Port Header (COM2)
10 : COM Port Header (COM3)
11 : COM Port Header (COM4)
12 : System Panel Header
13 : Digital Input / Output Power Select (JGPIO_PWR1)
14 : Digital Input / Output Default Value Setting (JGPIO_SET1)
15* : LVDS Panel Connector (Only for IMB-190 / IMB-191)
* eDP Connector (on the Backside of PCB) (Only for IMB-190-E)
16 : Panel Power Select (PNL_PWR1)
17 : BLT_CTL1
18 : Backlight Control Level (BLT_PWM1) (CON_LBKLT_CTL)
19 : BL1, BL2
20 : Backlight Power Select (BKT_PWR1)
21 : mSATA Select
22 : Clear CMOS Header
23 : Speaker Control
24 : Buzzer
25 : 3W Audio AMP Output Wafer
26* : VGA Header (Only for IMB-190 / IMB-191)
27 : Front Panel Audio Header
28 : LPC Header
29 : Chassis Intrusion Headers (CI1, CI2)
30 : 4-Pin CPU FAN Connector (+12V)
31 : 4-Pin Chassis FAN Connector (+12V)
32 : SATA Power Output Connector
