vii AKMB-G41M User ManualContentsChapter 1 General Information ............................11.1 Introduction ............................................................................................... 21.2 Features .................................................................................................... 21.3 Specifications ............................................................................................ 21.3.1 System .......................................................................................... 21.3.2 Memory ......................................................................................... 21.3.3 Input/Output .................................................................................. 31.3.4 Graphics........................................................................................ 31.3.5 Ethernet LAN ................................................................................ 31.3.6 Industrial features ......................................................................... 31.3.7 Mechanical and environmental specifications............................... 31.4 Jumpers and Connectors .......................................................................... 4Table 1.1: Connectors ................................................................. 4Table 1.2: Jumpers...................................................................... 51.5 Board layout: Jumper and Connector Locations ....................................... 6Figure 1.1 Jumper and Connector Location ................................ 6Figure 1.2 I/O Connectors ........................................................... 61.6 AKMB-G41M Block Diagram..................................................................... 7Figure 1.3 AKMB-G41M Block Diagram ...................................... 71.7 Safety Precautions .................................................................................... 81.8 Jumper Settings ........................................................................................ 81.8.1 How to set jumpers ....................................................................... 81.8.2 CMOS clear (CMOS1) .................................................................. 9Table 1.3: CMOS1....................................................................... 91.8.3 Chassis instruction connector (JCASE1) ...................................... 91.8.4 ATX/AT mode selector (PSON1) .................................................. 9Table 1.4: ATX/AT mode selector (PSON1)................................ 91.9 System Memory ........................................................................................ 91.10 Memory Installation Procedures................................................................ 91.11 Cache Memory........................................................................................ 101.12 Processor Installation.............................................................................. 10Chapter 2 Connecting Peripherals ....................112.1 Introduction ............................................................................................. 122.2 USB Ports (USB34/LAN1_USB12/USB56/USB78) ................................ 12Table 2.1: LAN LED Indicator.................................................... 122.3 VGA Connector (VGA1) .......................................................................... 132.4 Serial Ports (COM1~COM6) ................................................................... 142.5 PS/2 Keyboard and Mouse Connector (KBMS1) .................................... 152.6 CPU Fan Connector (CPU_FAN1).......................................................... 152.7 System FAN Connector (SYS_FAN1/2).................................................. 162.8 Front Panel Connectors (JFP1/2/3) ........................................................ 16Table 2.2: JFP1+JFP2............................................................... 17Table 2.3: JFP3 ......................................................................... 172.9 Line Out and Mic In Connector (AUDIO1)............................................... 172.10 Serial ATA Interface (SATA 1/2/3/4) ....................................................... 182.11 ATX Power Connector (ATX12V1, EATXPWR1).................................... 192.12 Front Panel Audio Connector (FPAUDIO1) ............................................ 202.13 Primary EIDE Connector (IDE1) ............................................................. 212.14 Digital Audio Connector(SPDIF_OUT1).................................................. 21