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v AIMB-258 User Manual
Contents
Chapter 1 Product Introduction ...........................1
1.1 Before You Proceed.................................................................................. 2
1.2 Motherboard Overview.............................................................................. 2
1.2.1 Placement Direction...................................................................... 2
1.2.2 Screw Holes.................................................................................. 3
1.3 Motherboard Layout .................................................................................. 4
Figure 1.1 Motherboard Layout ................................................... 4
1.4 Specifications ............................................................................................ 5
1.5 Operating System support list ................................................................... 6
1.6 Board Diagram .......................................................................................... 7
1.7 Ordering Information ................................................................................. 8
1.8 Riser Card ................................................................................................. 8
1.9 Bracket View ............................................................................................. 8
1.10 Accessories............................................................................................... 8
1.11 Layout Content List ................................................................................... 9
Table 1.1: Jumper Setting List..................................................... 9
Table 1.2: JSETCOM1: COM1/+5 V/+12 V Selection ................. 9
Table 1.3: JSETCOM2: COM2 RS232/422/485 Mode Selection 9
Table 1.4: CMOS1: Clear CMOS .............................................. 10
Table 1.5: J1:LCD Power 3.3 V/5.5 V Selection........................ 10
Table 1.6: PSON1: ATX, AT Mode Selection............................ 10
Table 1.7: JWDT1: Watchdog Timer Output Option.................. 11
Table 1.8: JOBS: HW monitor ................................................... 11
1.12 Central Processing Unit (CPU) for AIMB-258 ......................................... 11
1.12.1 Installing the CPU ....................................................................... 12
1.12.2 Installing the CPU Heatsink and Fan.......................................... 14
1.12.3 Uninstalling the CPU Heatsink and Fan...................................... 16
1.13 System Memory ...................................................................................... 17
1.13.1 DIMM Sockets Location.............................................................. 17
1.13.2 System Memory.......................................................................... 17
1.13.3 Memory Support List................................................................... 18
Table 1.9: SODIMM DDR3........................................................ 18
1.14 Connectors.............................................................................................. 19
1.14.1 Rear Panel Connectors............................................................... 19
Table 1.10:Rear Panel Connectors ............................................ 19
Table 1.11:LEDs......................................................................... 19
1.14.2 CPU Fan Connector (CPUFAN1) ............................................... 20
1.14.3 System Fan Connector (SYSFAN1, SYSFAN2)......................... 21
1.14.4 Serial Port Connector 3456 (COM3456)..................................... 22
1.14.5 Front Headphone Connector (HD1)............................................ 22
1.14.6 Front Panel Connector (JFP1/JFP2/JFP3) ................................. 23
1.14.7 ATX soft power switch (JFP1 / PWR_SW) ................................. 23
1.14.8 Reset (JFP1 / RESET)................................................................ 23
1.14.9 HDD LED (JFP2 / HDDLED)....................................................... 23
1.14.10External speaker (JFP2 / SPEAKER) ......................................... 23
1.14.11Power LED and keyboard lock connector
(JFP3 / PWR_LED&KEY LOCK) ................................................ 24
Table 1.12:ATX power supply LED status
(No support for AT power)........................................ 24
1.14.12USB 2.0 Connector (USB56, USB78)......................................... 24
1.14.13ATX Power Connector (ATX1).................................................... 25
1.14.14LCD Inverter Connector (VP1).................................................... 26
1.14.15LVDS Connector (LVDS1) .......................................................... 26
1.14.16Digital I/O Connector (DIO_CN1)................................................ 27