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Page 70 cExpress-BT2

9.2. Thermal Solution

9.2.1. Heat Spreaders

The function of the heat spreader is to ensure an identical mechanical profile for all COM Express modules. By using a heat spreader, the

thermal solution that is built on top of the module is compatible with all COM Express modules.

9.2.2. Heat Sinks

A heat sink can be used as a thermal solution for a specific COM Express module and can have a fan or be fanless, depending on the

thermal requirements.

9.2.3. Installation

Install a heat spreader or heat sink using the following instructions.

Step 1: Before mounting the heatsink, install the required memory modules onto the SODIMM socket(s) on the COM Express module.

Step 2: Remove the protective membranes from the thermal pads.

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 76 77

User’s Manual 1
Revision History 2
Preface 3
Table of Contents 4
1. Introduction 8
2. Specifications 9
2.5. Video 10
2.6. Audio 10
2.7. LAN 10
2.8. Multi I/O and Storage 10
2.16. Functional Diagram 12
Other tolerances ± 0.2 mm 13
Top View 13
Side View 13
All Ø tolerances ± 0.05 mm 13
Row A Row B Row C Row D 14
3.3. AB Signal Descriptions 18
3.3.4. Gigabit Ethernet 19
3.3.5. SATA 19
3.3.6. PCI Express 20
3.3.7. Express Card 21
3.3.8. LPC bus 21
3.3.9. USB 21
3.3.11. SPI (BIOS only) 22
3.3.12. Miscellaneous 23
3.3.13. SMBus 23
3.3.14. I2C Bus 23
Page 24 cExpress-BT2 24
3.3.18. Power and Ground 25
3.4. CD Signal Descriptions 26
3.4.4. Power and Ground 28
4. Module interfaces 29
4.3. Status LEDs 31
XDP Debug Header 32
4.5. Fan Connector 32
5.1.1. Voltages 35
5.1.2. Main Current 35
5.1.3. BMC Status 35
5.1.4. Exception Codes 36
5.1.5. BMC Flags 36
6. System Resources 37
6.3.1. PIC Mode 38
6.3.2. APIC Mode 39
Page 40 cExpress-BT2 40
DIMM A A0h 41
DIMM B A4h 41
BMC 50h 41
Extend GPIO 40h 41
7. BIOS Setup 42
7.2. Main 43
7.2.6. System Management 44
7.3. Advanced 47
7.3.2. Memory 48
7.3.3. Graphics 48
7.3.4. SATA 49
7.3.5. USB 49
7.3.6. Network 50
7.3.7. PCI and PCIe 51
7.3.8. Super IO 53
7.3.10. Sound 54
7.3.12. Thermal 55
7.3.13. Miscellaneous 56
7.4. Boot 57
Page 58 cExpress-BT2 58
7.5. Security 59
7.6. Save & Exit 59
8.1. Checkpoint Ranges 61
8.2. Standard Checkpoints 61
8.2.2. SEC Beep Codes 62
8.2.3. PEI Phase 62
8.2.4. PEI Beep Codes 64
8.2.5. DXE Phase 64
Page 66 cExpress-BT2 66
8.2.6. DXE Beep Codes 67
8.2.7. ACPI/ASL Checkpoint 67
Page 68 cExpress-BT2 68
9. Mechanical Information 69
9.2. Thermal Solution 70
Page 72 cExpress-BT2 72
9.3. Mounting Methods 73
9.4. Standoff Types 74
Safety Instructions 75
Getting Service 76

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Adlink cExpress-BT2 Manuale Utente Pagina 70

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