User manual

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v AIMB-252 User Manual

Contents

Chapter 1 Production 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 Board Diagram .......................................................................................... 7

1.6 Ordering Information ................................................................................. 8

1.7 Riser Card................................................................................................. 8

1.8 Bracket View ............................................................................................. 8

1.9 Accessories............................................................................................... 8

1.10 Layout Content List ................................................................................... 9

Table 1.1: Slots............................................................................ 9

Table 1.2: Rear Panel Connector................................................ 9

Table 1.3: Internal Connector...................................................... 9

Table 1.4: CMOS1..................................................................... 10

Table 1.5: ATX/AT mode selector(JPSON1) ............................. 10

Table 1.6: COM1 RS-232/422/485 mode selector (JSETCOM1)..

1.11 Central Processing Unit (CPU) (for AIMB-252(915GME) only)............... 11

1.11.1 Installing the CPU ....................................................................... 12

1.11.2 Installing the CPU Heatsink and Fan.......................................... 14

1.11.3 Uninstalling the CPU Heatsink and Fan...................................... 16

1.12 System Memory ...................................................................................... 16

1.12.1 DIMM Sockets Location.............................................................. 16

1.12.2 Memory Configurations............................................................... 17

1.12.3 Installing a DDR2 DIMM ............................................................. 18

1.12.4 Removing a DDR2 DIMM ........................................................... 19

1.13 Expansion Slots ...................................................................................... 19

1.13.1 Installing an Expansion Card ...................................................... 19

1.13.2 Configuring an Expansion Card.................................................. 19

1.13.3 Standard Interrupt Assignments ................................................. 20

Table 1.7: Standard Interrupt Assignments............................... 20

1.13.4 PCI Slots..................................................................................... 20

1.14 Connectors.............................................................................................. 21

1.14.1 Rear Panel Connectors............................................................... 21

Table 1.8: Rear Panel Connectors ............................................ 21

Table 1.9: LEDs......................................................................... 21

1.14.2 CPU Fan Connector (CPUFAN1) ............................................... 22

1.14.3 System Fan Connector (SYSFAN1) ........................................... 23

1.14.4 Serial Port Connector 23 (COM23)............................................. 24

1.14.5 Serial Port Connector 45 (COM45)............................................. 24

1.14.6 Front Headphone Connector (FPAUD1)..................................... 25

1.14.7 Front Panel Connector (JFP1/JFP2/JFP3) ................................. 26

1.14.8 ATX soft power switch (JFP1 / PWR_SW) ................................. 26

1.14.9 Reset (JFP1 / RESET)................................................................ 26

1.14.10HDD LED (JFP2 / HDDLED)....................................................... 26

1.14.11External speaker (JFP2 / SPEAKER) ......................................... 26

1.14.12Power LED and keyboard lock connector (JFP3 / PWR_LED&KEY

LOCK)......................................................................................... 27

Table 1.10:ATX power supply LED status (No support for AT pow-

er) ............................................................................. 27