Contents
1
Introduction ............................................................................... 9
1.1
Mini-ITX Concept ....................................................................... 9
1.2
conga-IA3 .................................................................................. 9
1.2.1
1.2.2
2
Specification ............................................................................ 12
2.1
Feature List .............................................................................. 12
2.2
2.3
2.4
3
Block Diagram .......................................................................... 15
4
Cooling Solution ...................................................................... 16
4.1
4.2
Heatspreader ........................................................................... 18
5
5.1
Power Supply ........................................................................... 19
5.1.1
5.1.2
5.1.3
3
5.1.3.1
5.1.4
PWR_OK Signal ........................................................................ 22
5.1.5
Power Status LEDs ................................................................... 22
5.2
CMOS Battery/RTC .................................................................. 23
5.3
Audio Interfaces ....................................................................... 23
5.3.1
5.3.2
5.3.2.1
5.3.2.2
5.3.2.3
5.4
Communication Bus ................................................................. 26
5.4.1
SMBus ...................................................................................... 26
5.4.2
I²C Bus .................................................................................... 26
Copyright © 2015 congatec AG
5.4.3
SPI Bus ..................................................................................... 26
5.5
5.5.1
5.5.2
5.6
5.7
SATA Interfaces ........................................................................ 30
5.7.1
5.7.2
SATA Power ............................................................................. 31
5.7.3
Mini SATA ................................................................................. 31
5.8
Display Interfaces ..................................................................... 33
5.8.1
5.8.2
LVDS ......................................................................................... 33
5.8.3
5.8.3.1
5.8.3.2
5.8.3.3
5.9
PCI Express ............................................................................. 38
5.9.1
x1 PCIe Slot.............................................................................. 38
5.9.2
5.9.3
5.9.4
6
6.1
6.2
6.3
6.4
6.4.1
Fan Control .............................................................................. 44
6.4.2
GPIs .......................................................................................... 45
6.4.3
6.4.4
Board Information .................................................................... 45
6.5
6.5.1
6.5.2
GPOs ........................................................................................ 46
6.5.3
6.6
IA30m10
7/82
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