
ix AIMB-228 User Manual
Contents
Chapter 1 General Information ............................1
1.1 Introduction ............................................................................................... 2
1.2 Features .................................................................................................... 2
1.3 Specifications ............................................................................................ 2
1.3.1 Processor...................................................................................... 2
1.3.2 Expansion ..................................................................................... 2
1.3.3 Memory ......................................................................................... 2
1.3.4 Graphics Interface......................................................................... 2
1.3.5 Ethernet Interface ......................................................................... 2
1.3.6 SATA Interface.............................................................................. 3
1.3.7 Rear I/O ........................................................................................ 3
1.3.8 Internal Connector ........................................................................ 3
1.3.9 Watchdog Timer............................................................................ 3
1.3.10 Power Requirement ...................................................................... 3
1.3.11 Environment.................................................................................. 3
1.3.12 Physical Characteristics................................................................ 3
1.4 Jumpers and Connectors .......................................................................... 4
Table 1.1: Connector/Header List................................................ 4
Table 1.2: Jumper Setting List..................................................... 5
1.5 Jumper and Connector Locations ............................................................. 9
Figure 1.1 Jumper and Connector Locations (Top Side)............. 9
Figure 1.2 Jumper and Connector Locations (Bottom Side)...... 10
1.6 Board Diagram ........................................................................................ 12
Figure 1.3 AIMB-228 Board Diagram ........................................ 12
1.7 Safety Precautions .................................................................................. 13
1.8 Jumper Settings ...................................................................................... 13
1.8.1 How to Set Jumpers.................................................................... 13
1.8.2 CMOS Clear (JCOMS1).............................................................. 14
1.8.3 AT/ATX Mode Selection (PSON1) .............................................. 14
1.9 System Memory ...................................................................................... 14
1.10 Memory Installation ................................................................................. 14
Chapter 2 Connecting Peripherals ....................15
2.1 Introduction ............................................................................................. 16
2.2 USB Ports (USB 23/14/56)...................................................................... 16
2.3 DisplayPort1/2/3/4 (DP12/DP34) ............................................................ 17
2.4 Serial Ports (COM1~COM6) ................................................................... 17
2.5 CPU Fan Connector (CPU_FAN1).......................................................... 18
2.6 System Fan Connector (SYSFAN1/2)..................................................... 18
2.7 Power Switch/HDD LED/SMBUS/Speaker Pin Header (JFP1), Power LED,
and Keyboard Lock Pin Header (JFP2) .................................................. 19
2.7.1 ATX Soft Power Switch (JFP1/PWR_SW).................................. 19
2.7.2 Reset (JFP1/RESET).................................................................. 19
2.7.3 HDD LED (JFP1/HDDLED)......................................................... 19
2.7.4 External Speaker (JFP1/SPEAKER)........................................... 19
2.8 DC Input Jack and 4-Pin ATX Connector (DCIN1) ................................. 20
2.9 SATA Signal and Power Connector (SATA1~SATA2/SATA_PWR1~2). 20
2.10 HD Analog Audio Interface (AUDIO1, AUDIO2, FPAUD1) ..................... 21
2.11 PCI-E x16 Slot (PCIEX16_1) .................................................................. 22
2.12 Low-Voltage Differential Signaling Interface (LVDS1) ............................ 22
2.13 LVDS Backlight Inverter Power Connector (INV1).................................. 23
2.14 NGFF M.2 B-Key and E-Key Connector (M2B1 & M2E1)...................... 23
2.15 Audio Amplifier Output Connector (AMP1), BOM Optional..................... 24