AIMB-503 User Manual 4
1.4 Jumpers and Connectors
Connectors on the AIMB-503 motherboard link it to devices such as hard disk drives
and a keyboard. In addition, the board has a number of jumpers used to configure
your system for your application.
The tables below list the function of each of the board jumpers and connectors. Later
sections in this chapter give instructions on setting jumpers. Chapter 2 gives instruc-
tions for connecting external devices to your motherboard.
Table 1.1: Jumpers
Label Function
CMOS1 Clear CMOS (Default 1-2)
JLVDS1 LVDS panel power setting
PSON1 AT mode (1-2); ATX mode (2-3)
JIR1+JWDT1+JOBS1 CIR interface, Watchdog Timer Output and OBS Beep
JSETCOM3/
JSETCOM7
COM3 & COM7 RS-232/422/485 jumper setting
JSETCOM1_V1,
JSETCOM2_V1
RI#(1-2)/5V(3-4)/12V(5-6) Select
JCASE1 Case open sensor
Table 1.2: Connectors
Label Function
VGA1 VGA1 connector
DVI1 DVI connector
INV1 Inverter power output
LVDS1 LVDS connector
LANLED1 LAN LED
LAN1_USB45;
LAN2_USB12
LAN & USB connector
FPAUD1 Front audio header
AMP1 Adjust audio volume
AUDIO1 Line out /Mic in connector
SATA1/2/3 SATA1/2/3/4 on board connector
USB3/67/89/1011 USB on board connector
SPI_CN1 SPI connector
LPC1 LPC connector for debug
LPT1 Print port
COM2 Serial port 2 on board connector
COM3456/COM78910 Serial port 3/4/5/6/7/8/9/10 on board connector
KBMS2 KB, MS header
CPU FAN1 CPU fan connector
SYS FAN1/SYS FAN2 FAN1/2 System fan connector
GPIO1 GPIO connector
VOLT1 VOLT connector
JFP3 Front panel connector
JIR1+JWDT1+JOBS1 CIR interface, Watchdog Timer Output and OBS Beep
SMBUS1 SMBUS header
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