vii AIMB-780 User ManualContentsChapter 1 Hardware Configuration......................11.1 Introduction ............................................................................................... 21.2 Features .................................................................................................... 31.3 Specifications ............................................................................................ 41.3.1 System .......................................................................................... 41.3.2 Memory ......................................................................................... 41.3.3 Input/Output .................................................................................. 51.3.4 Graphics........................................................................................ 51.3.5 Ethernet LAN ................................................................................ 51.3.6 Industrial Features ........................................................................ 51.3.7 Mechanical and Environmental Specifications.............................. 51.4 Jumpers and Connectors .......................................................................... 6Table 1.1: Jumper list .................................................................. 6Table 1.2: Connectors ................................................................. 61.5 Board Layout: Jumper and Connector Locations...................................... 8Figure 1.1 Jumper and Connector Locations............................... 8Figure 1.2 I/O connectors ............................................................ 81.6 AIMB-780 Block Diagram.......................................................................... 9Figure 1.3 AIMB-780 Block Diagram ........................................... 91.7 Safety Precautions .................................................................................. 101.8 Jumper Settings ...................................................................................... 111.8.1 How to set jumpers ..................................................................... 111.8.2 CMOS clear (JCMOS1) .............................................................. 11Table 1.3: JCMOS1 ................................................................... 111.8.3 Watchdog timer output (JWDT1) ................................................ 12Table 1.4: Watchdog timer output (JWDT1) .............................. 12Table 1.5: ATX/AT mode selector (PSON1).............................. 12Table 1.6: COM3 RS-232/422/485 mode selector (JSETCOM3)..121.9 System Memory ...................................................................................... 131.10 Memory Installation Procedures.............................................................. 131.11 Cache Memory........................................................................................ 131.12 Processor Installation.............................................................................. 131.13 PCI Bus Routing Table............................................................................ 13Chapter 2 Connecting Peripherals ....................152.1 Introduction ............................................................................................. 162.2 Floppy Drive Connector (FDD1).............................................................. 162.3 Parallel Port (LPT1)................................................................................. 172.4 USB Ports (LAN1_USB12, LAN2_USB3/4, USB5/6, USB7/8, USB9/10,USB11/12 & USB13/14).......................................................................... 182.5 VGA Connector and DVI-D Connector (VGA1+DVI1)............................. 192.6 Serial Ports (COM1, COM2, COM3 & COM4) ........................................ 202.7 PS/2 Keyboard and Mouse Connector (KBMS1) .................................... 212.8 External Keyboard & Mouse (KBMS2).................................................... 222.9 CPU Fan Connector (CPUFAN1)............................................................ 232.10 System FAN Connector (SYSFAN1 and SYSFAN2) .............................. 242.11 Front Panel Connectors (JFP1, JFP2 & JFP3) ....................................... 252.11.1 Power LED and Keyboard Lock (JFP3) ...................................... 25Table 2.1: PS/2 or ATX power supply LED status.................... 252.11.2 External Speaker (JFP2 pins 1, 4, 7 & 10).................................. 252.11.3 HDD LED Connector (JFP2 pins 2 & 5)...................................... 262.11.4 ATX Soft Power Switch (JFP1 pins 3 & 6) .................................. 26