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Intel Thin Mini-ITX User Manual
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Thin Mini-ITX
Internal E
lectrical Inter
faces
Thin Min
i-ITX Based PC Syst
em Design
Guide
25
Pin
Signal
Pin
Signal
7
Ground
8
Ground
9
Key (no pin)
10
No Connect
2.5.2
Internal Dual USB
2.0
Header
Internal dual USB 2.0 header shall
be
2x5, 2.54mm pitch, keyed at pins 9 and 10.
Figure 2-9. 2x5 USB 2.0 Header (Keyed at Pins 9 and 10)
Table 2-
10
. 2x5 USB 2.0 Header (Keyed at Pins 9 and 10
)
P
in
-Out
Pin
Signal
Pin
Signal
1
+5V DC
2
+5V DC
3
Data (negative)
4
Data (negative)
5
Data (positi
ve)
6
Data (positi
ve)
7
Ground
8
Ground
9
Key (no pin)
10
Key (no pin)
24
26
Table of Contents
Table of Contents
3
Introduction
8
Purpose / Scope
8
Overview
8
All in One Pcs
9
Figure 1-1. Thin Mini-ITX Applications
9
Tiny Pcs
10
Table 1-1. Common AIO Features in Thin Mini-ITX Based AIO Pcs
10
Terminology
11
Figure 1-2. Mini-ITX (Left) Vs Thin Mini-ITX (Right)
11
Table 1-2. Terms and Descriptions
11
Reference Documents
12
Table 1-3. Reference Documents
12
Thin Mini-ITX Internal Electrical Interfaces
13
Common Connector List
13
Table 2-1. Internal Motherboard Connectors
13
Flat Panel Display
14
Lvds
14
Figure 2-1. 40-Pin LVDS Header
15
Table 2-2. 40-Pin LVDS Header Pin-Out
15
Edp (VESA Embedded Display Port™)
17
Figure 2-2. 40-Pin Edp MB Header
17
Table 2-3. 40-Pin Edp Header Pin-Out
18
Flat Panel Display Brightness
19
Figure 2-3. PC & Software Brightness Control
19
Figure 2-4. FPD Brightness Header
19
Table 2-4. 8-Pin FPD Brightness Header Pin-Out
19
On Screen Display (OSD)
20
Audio
21
Front Panel Audio
21
Figure 2-5. Front Panel Audio Header
21
Table 2-5. Passive AC'97 Front Panel Audio Header Pin-Out
21
Table 2-6. HD Audio Front Panel Audio Header Pin-Out
21
Internal Stereo Speakers
22
Figure 2-6. Internal Stereo Speakers Header
22
Digital Microphone
23
Figure 2-7. DMIC MB Header
23
Table 2-7. Internal Stereo Speakers Header Pin-Out
23
Table 2-8. DMIC Header Pin-Out
23
Sata
24
Internal USB
24
Front Panel Dual USB 2.0 Header
24
Figure 2-8. 2X5 USB 2.0 Header (Keyed at Pin 9)
24
Table 2-9. 2X5 USB 2.0 Header (Keyed at Pin 9) Pin-Out
24
Internal Dual USB 2.0 Header
25
Figure 2-9. 2X5 USB 2.0 Header (Keyed at Pins 9 and 10)
25
Table 2-10. 2X5 USB 2.0 Header (Keyed at Pins 9 and 10) Pin-Out
25
Internal Single USB 2.0 Header
26
Internal USB 3.0 Header
26
Figure 2-10. 1X5 USB 2.0 Header
26
Figure 2-11. 2X10 USB 3.0 Header
26
Table 2-11. 1X5 USB 2.0 Header Pin-Out
26
Table 2-12. 2X10 USB 3.0 Header Pin-Out
27
Front Panel (Buttons, Leds)
28
Figure 2-12. USB 3.0 Header Orientation
28
Figure 2-13. Front Panel Main Header
28
Internal Power Input
29
Figure 2-14. Internal Power Header
29
Table 2-13. Front Panel Main Header Pin-Out
29
Table 2-14. Internal Power Header Pin-Out
30
Fans
31
CPU Fan
31
System Fan
31
Figure 2-15. 4-Pin CPU Fan Header
31
Consumer Infrared Receiver
32
Wireless Bluetooth
32
Monitor Switch
32
Figure 2-16. CIR Receiver Header
32
Figure 2-17. Monitor Switch Header
32
Table 2-15. Monitor Switch Header Pin-Out
33
Power Supply
34
External AC Adapter
34
External Power Connector for Socketed CPU Based Systems
34
Figure 3-1. External Power Connector for Socketed CPU Based Systems
35
Thermals & Acoustics
36
General Thermal-Acoustics Considerations
36
Blowers
37
Fan Speed Control and CPU Throttling
37
Figure 4-1. Example of Voltage Regulator Induced Throttling
38
Figure 4-2. Example of a Typical CPU DTS Readout When Not Throttling
38
Figure 4-3. CPU die Temperature Induced Throttling
39
Vent Free Area Ratio
40
Dust Considerations
40
Environmental and Skin Temperature Limit Recommendations
40
Motherboard Component Cooling
40
Memory Cooling
40
Table 4-1. Environmental and Skin Temperature Limit Recommendations
40
Platform Controller Hub (PCH) Cooling
41
Voltage Regulator Cooling
41
Figure 4-4. Air Temperature Increase Across Memory
41
Acoustics
42
Figure 4-5. ECMA-74 Extract - Figure C.4C
42
Figure 4-6. ECMA-74 Extract - Figure C.4D
43
Figure 4-7. ECMA-74 Extract - Figure C.4A
43
Mechanical
44
CPU Mechanicals
44
Figure 5-1. CPU Location and Additional Keep in Zones
44
Internal Motherboard Header Locations
45
Figure 5-2. Header Zones
45
System Cables and Connectors
46
System Cable Kitting
46
CPU Thermal Solution and System Fan Mechanical Interface
46
Figure 5-3. Blower and Heat Exchanger Retention Locations for Two Blower
47
Figure 5-4. Blower and Heat Exchanger Retention Locations for Two Blower Configuration Option 2
48
Figure 5-5. Blower and Heat Exchanger Retention Locations for a Single Blower
49
Thin Mini-ITX I/O Shield
50
Figure 5-6. Minimum Blower Gap
50
Industrial Design, System Layout, and Usability Considerations
51
Figure 5-7. Example Thin Mini-ITX I/O Shield
51
AIO Specific System Mechanicals
52
Low Profile Reference Heat Pipe Thermal Solution
53
General Volumetrics / Requirements
53
Reference Design CPU Thermal Solution
53
Figure 6-1. Reference Side and Top View Dimensions for Low Profile Reference Thermal Solution
54
Figure 6-2. Reference Blower Mounting Flange Standoff Height as Measured from the
54
Bottom of the Flange
54
Reference System Layouts
55
Thin Mini ITX Based System Design
55
General System Design Considerations
55
Reference Core Components Layouts
56
Figure 7-1. Core Component Layout - Example a
56
Figure 7-2. Core Component Layout - Example B
57
Figure 7-3. Core Component Layout - Example C
58
Figure 7-4. Core Component Layout - Example D
59
Figure 7-5. Core Component Layout - Example E
60
Figure 7-6. Core Component Layout - Example F
61
Figure 7-7. Core Component Layout - Example G (Effective Single Blower Option)
62
Figure 7-8. Core Component Layout - Example H (Effective Single Blower Option)
63
Figure 7-9. Core Component Layout - Example H (Effective Single Blower Option)
64
Thermal Test Method
65
Components Used for Testing
65
Stress Software
66
Figure 7-10. Power Thermal Utility Example
66
Temperature Measurement Locations
67
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Intel Thin Mini-ITX Specifications
General
Brand
Intel
Model
Thin Mini-ITX
Category
Motherboard
Language
English
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