i AIMB-274 User Manual
Contents
Chapter 1 General Information ............................1
1.1 Introduction ............................................................................................... 2
1.2 Features .................................................................................................... 2
1.3 Specifications ............................................................................................ 2
1.3.1 System .......................................................................................... 2
1.3.2 Memory ......................................................................................... 2
1.3.3 Input/Output .................................................................................. 2
1.3.4 Graphics........................................................................................ 3
1.3.5 Ethernet LAN ................................................................................ 3
1.3.6 Industrial features ......................................................................... 3
1.3.7 Mechanical and environmental specifications............................... 3
1.4 Jumpers and Connectors .......................................................................... 4
Table 1.1: Connector and Header List......................................... 4
Table 1.2: Jumper List ................................................................. 5
1.5 Board layout: Jumper and Connector Locations ....................................... 5
Figure 1.1 Jumper and Connector Location ................................ 5
1.6 AIMB-274 Board Diagram ......................................................................... 6
Figure 1.2 AIMB-274 Board Diagram .......................................... 6
1.7 Safety Precautions .................................................................................... 6
1.8 Jumper Settings ........................................................................................ 7
1.8.1 How to Set Jumpers...................................................................... 7
1.8.2 CMOS Clear (CMOS1) ................................................................. 7
Table 1.3: CMOS1....................................................................... 7
1.8.3 ME Enable/Disable Jumper (JME1).............................................. 7
Table 1.4: ME Enable/Disable Jumper (JME1) ........................... 7
1.8.4 Power Switch/HDD LED/SMBUS/Speaker Pin Header (JFP1) .... 8
Table 1.5: Power Switch/HDD LED/SMBUS/Speaker Pin Header
(JFP1)......................................................................... 8
1.8.5 Power LED and Keyboard Lock Pin Header (JFP2) ..................... 8
Table 1.6: Power LED and Keyboard Lock Pin Header (JFP2)... 8
1.8.6 Watchdog Timer Output and OBS Beep (JWDT1+JOBS1) .......... 8
Table 1.7: Watchdog Timer Output and OBS Beep
(JWDT1+JOBS1)........................................................ 8
1.8.7 ATX/AT Mode Selection (PSON1) ................................................ 9
Table 1.8: ATX/AT Mode Selection (PSON1).............................. 9
1.8.8 LVDS Panel Voltage Selection (JLVDS1, JLVDS2)...................... 9
Table 1.9: LVDS Panel Voltage Selection (JLVDS1, JLVDS2) ... 9
1.8.9 COM1 RI# Pin RI#/5V/12V Select (JCOM1)................................. 9
Table 1.10: COM1 RI# Pin RI#/5V/12V Select (JCOM1) .............. 9
1.9 System Memory ...................................................................................... 10
1.10 Memory Installation Procedures.............................................................. 10
1.11 Cache Memory........................................................................................ 10
1.12 Processor Installation.............................................................................. 10
Chapter 2 Connecting Peripherals ....................13
2.1 Introduction ............................................................................................. 14
2.2 USB Ports (LAN1_USB12/LAN2_USB34/USB56/USB78/USB910) ....... 14
Table 2.1: LAN LED Indicator.................................................... 14
2.3 VGA Connector(VGA1) ........................................................................... 15
2.4 Serial Ports (COM1~COM2) ................................................................... 16
2.5 PS/2 Keyboard and Mouse Connector (KBMS1) .................................... 17
2.6 CPU Fan Connector (CPU_FAN1).......................................................... 17
2.7 System FAN Connector (SYSFAN1/2).................................................... 18
