Kontron COMe-cDC2 Manuel d'utilisateur télécharger pdf (Page 72)

COMe-cDC2 / BIOS Operation

Passive Cooling

The ACPI OS assesses the optimum CPU performance change necessary to lower the temperature using the following

equation

?P[%] = TC1(Tn-Tn-1) + TC2(Tn-Tt)

?P is the performance delta, Tt is the target temperature = passive cooling trip point. The two coefficients TC1 and TC2 and

the sampling period TSP are hardware dependent constants the end user must supply. It’s up to the end user to set the

cooling preference of the system by setting the appropriate trip points in the BIOS setup.

See chapter 12 of the ACPI specification (www.acpi.info) for more details

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COMe-cDC2 1
» Table of Contents « 3
1 User Information 6
1.5 Warranty 7
1.6 Technical Support 7
2 Introduction 8
2.5 COM Express® Benefits 9
3 Product Specification 10
Accessories 11
3.2 Functional Specification 12
Connectivity 13
Misc Interfaces and Features 14
Kontron Features 14
Power Features 14
Supported Operating Systems 14
3.3 Block Diagram 15
3.4 Electrical Specification 16
3.4.5 ATX Mode 17
3.4.6 Single Supply Mode 17
3.5 Power Control 18
3.6.2 Humidity 19
CE marking 20
WEEE Directive 20
Conformal Coating 20
Shock & Vibration 21
3.8 MTBF 22
3.9 Mechanical Specification 23
3.10 Thermal Management 24
3.11 Heatspreader 24
3.12 Onboard Fan Connector 25
4 Features and Interfaces 27
4.2 S5 Eco Mode 28
4.4 LPC boot 30
4.5 M.A.R.S 31
4.6 Fast I2C 32
4.7 JIDA16 and JIDA32 33
4.8 K-Station 1 34
4.9.1 I2C 35
4.9.2 Storage 35
4.9.3 GPIO 35
4.9.4 Hardware Monitor 35
4.10.1 I2C 35
4.10.2 Storage 36
4.10.3 GPIO 36
4.10.5 SIO Winbond 83627DHGP 36
4.10.6 SIO Winbond 83627HG 37
Configuration 38
Time-out events 39
WDT Signal 39
4.13 Flash Backup Feature 40
4.14 Speedstep Technology 42
4.15 C-States 43
4.16 Hyper Threading 44
5 System Ressources 46
5.3 Memory Area 47
5.4 I/O Address Map 48
5.7 JILI I2C Bus 48
6 Connectors 49
6.2 Pinout List 50
6.2.2 Connector X1A Row A 51
COMe-cDC2 / Connectors 52
6.2.3 Connector X1A Row B 53
6.2.4 Connector X1B Row C 55
6.2.5 Connector X1B Row D 57
7 BIOS Operation 59
7.3 Setup Guide 60
7.4 BIOS Setup 62
7.4.2 Module Info 63
Module Software Revisions 64
Current LVDS Configuration 64
7.4.3 Advanced Menu 65
CPU Configuration 66
IDE Configuration 67
IDE Device Submenu 68
SuperIO Configuration 69
ACPI Settings 70
ACPI Cooling Options 71
PCI Express Configuration 73
USB Configuration 74
COMe-cDC2 / BIOS Operation 75
Hardware Health 76
Module Hardware Health 77
Baseboard Hardware Health 78
Miscellaneous Settings 79
MARS Interface Configuration 80
Watchdog 81
Remote Access Configuration 82
LAN Controller 83
GPIO Level Configuration 84
Trusted Computing 85
7.4.4 PCIPnP Menu 86
7.4.5 Boot 87
Boot Setting Configuration 88
7.4.6 Security 89
7.4.7 Chipset 90
North Bridge Configuration 91
Display Control 92
Internal LVDS Configuration 93
Southbridge Configuration 94
LPC Decode Range 95
7.4.8 Exit Menu 96
Corporate Offices 97

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Kontron COMe-cDC2 Manuel d'utilisateur Page 72

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