User manual

AIMB-281 User Manual 4
1.4 Jumpers and Connectors
Connectors on the AIMB-281 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 Note
JCMOS1 Clear CMOS 3 x 1 header, pitch 2.0mm
JPSON AT/ATX Mode Select 3 x 1 header, pitch 2.0mm
JLVDS_BKL1 BL Selec 3 x 1 header, pitch 2.0mm
SelectCOM SelectCOM 9 x 2 header, pitch 2.0mm
SPI1 4 x 2 header, pitch 2.54mm
JLPC 6 x 2 header, pitch 2.0mm
LPT 13 x 2 header, pitch 2.54mm
Table 1.2: Rear Panel Connector
Label Function Note
KBMS_USB PS/2 KB/Mouse/2 USB 2.0 6-pin Mini-Din
DVI DVI Port 29-pin DVI-D port
VGA1 VGA Port D-sub 15-pin, female
LAN1USB12
RJ-45 Ethernet Connector x 1
USB 2.0 Connector x 2
LAN2USB34
RJ-45 Ethernet Connector x 1
USB 2.0 Connector x 2
Audio1 Audio , Line-Out , Mic.-In
Table 1.3: Internal Connector
Label Function Note
CPU_FAN CPU Fan Connector 4 x 1 wafer, pitch 2.54mm
SYS_FAN1 System Fan Connector 3 x 1 wafer, pitch 2.54mm
COM3~6 Pin Header Connector * 2 10X2header,pitch2.0mm
JDIO GPIO Connector 5x2header,pitch2.0mm
F_PANEL1 Intel Front Panel Connector 5 x 2 header, pitch 2.54mm
EATXPWR EATX power Connectors 12 x 2 header
FPAUD1 Audio Mic.-In & Line-Out Connector 5 x 2 header, pitch 2.54mm
JLVDS 24-bit LVDS Connector 2 x 20 connector
JBKL LCD Inverter Connector 1 x 5 connector
SATA1 ~ 3 SATA Data Connector * 3 7P Male connector
ATX12V ATX Power Connector 2x2 pin power connector
USB78 USB Connector * 1 5x2header,pitch2.0mm