VIA Technologies Mini-ITX User Manual

Mini-ITX Addendum Version 2.0 To the microATX Motherboard Interface Specification Version 1.2 October 2010

10 Table 3. Motherboard Mounting Hole Locations Form Factor Mounting Hole Locations Mini-ITX C,F,H,J microATX B,C,F,H,J,L,M,R,S ATX A,C,F,G,H,J,

11 2.3 Connector Placement For Mini-ITX, all connector locations as well as allowable placement area for I/O connectors on the back panel are des

12 Figure 5. Mini-ITX Maximum Component Height Restrictions Notes:  All dimensions in the above figure are in millimeters (mm).  The 57mm

13 interference with the chassis structure and other system components, the motherboard components must not exceed the height limit in each zone d

14 Figure 6. Thin Mini-ITX Maximum Component Height Restrictions 2.4.3 Secondary (Bottom/Solder) Side Height Constraints No height restraints

15  Carefully considering venting and fan/blower strategies to ensure proper cooling can be achieved in a small chassis.  Minimizing the size

16 3 Power Supply Information Provided the very different needs of the platforms that fit in the small desktop form category, this specification

2 1. INTEL CORPORATION (“INTEL”) MAKES NO WARRANTIES WITH REGARD TO THIS SPECIFICATION (“SPECIFICATION”), AND IN PARTICULAR DOES NOT WARRANT OR R

3 Contents Revision History ...

4 Revision History Revision Number Description Revision Date 2.0 Added Thin Mini-ITX definition. Oct, 2010 1.1 Minor corrections made. Title ch

5 1 Executive Summary The Mini-ITX addendum to the microATX Motherboard Interface Specification details the use the Mini-ITX form factor standard

6 The Mini-ITX Addendum To the microATX Motherboard Interface Specification is a public document intended for widespread application in many typ

7 compatibility between their products. They can also capitalize on the benefits of a reduction in total system costs because of a reduced system

8 2 Layout This section describes the mechanical specifications of the Mini-ITX and Thin Mini-ITX form-factor motherboards. Size, mounting hole

9 2.1 Board Dimensions Table 2. Compares ATX, microATX, and Mini-ITX Board Dimensions Dimension ATX microATX Mini-ITX Maximum width Allowable 30