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1.4
Jumpers and Connectors
The AIMB-228 motherboard features a number of jumpers and connectors that
enable the integration of external devices, such as hard disk drives and a keyboard,
and configuration according to specific applications.
The function of each board jumper and connector is listed in the tables below. Later
sections in this chapter provide instructions for setting jumpers. Chapter 2 provides
instructions for connecting external devices to the motherboard.
Table 1.1: Connector/Header List
Description
1
Direct current input connector
2
Displayport1/2
3
High-definition multimedia interface connector
4
Universal serial bus port 3.1 gen 1 #7/ #8
5
Universal serial bus port 3.1 gen 2 #1/ #2
6
RJ45 #1
7
Universal serial bus port 3.1 gen 2 #3/ #4
8
RJ45 #2
9
Universal serial bus port 3.1 gen 2 #6 (type C)
10
Universal serial bus port 3.1 gen 2 #5
11
HD audio interface (analog)
12
Amplifier connector
13
Front panel audio header
14
CMOS mode selection
15
PCI Express x16 slot
16
Platform controller hub
17
CMOS battery connector
18
Case open selection pin header
19
Case open connector
20
NGFF M.2 B-key connector for 2242/3042 module
21
Universal serial bus port 3.1 gen 1 #9/ #10 box header
22
COM1 RI# selection pin header
23
Serial ATA interface connector #1~#3
24
COM2 pin header (S1.27 mm)
25
EDP/LVDS backlight inverter power connector
26
COM1 pin header (S1.27 mm)
27
Low-pin-count interface connector
28
Subscriber identity module connector
29
LVDS VESA, JEIDA format selection pin header
30
Low-voltage differential signaling interface/embedded displayport
31
Voltage selection for JLVDS connector
32
System fan #1 connector/system fan #2 connector
33
Power LED and keyboard lock pin header
34
Watchdog timer output and OBS beep
35
CPU fan connector
36
8-bit general purpose I/O pin header (S1.27 mm)
PWRBTN#/ RESET#/HDD LED/serial bus from HW monitor IC/
37
internal buzzer/external speaker header
AIMB-228 User Manual
4
Part Reference
DCIN1
DP12
HDMI1
USB78
USB12
LAN1
USB34
LAN2
USB6
USB5
AUDIO1
AMP1
FPAUD1
JCMOS1
PCIEX16_1
PCH1
BAT1
JCASEOP_SW1
JCASE1
M2B1
USB910
JSETCOM1_V1
SATA1~SATA3
COM2
INV1
COM1
LPC1
SIM1
JLVDS_VCON1
LVDS_EDP1
JLVDS1
SYSFAN1/2
JFP2
JWDT1+JOBS1
CPUFAN1
GPIO1
JFP1
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