Kontron COMe-bSC2 User Manual download pdf (Page 90)

COMe-bSC2 / BIOS Operation

Passive Cooling

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

equation

ΔP[%] = TC1(Tn-Tn-1) + TC2(Tn-Tt)

ΔP 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-bSC2 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
3.2 Functional Specification 12
Graphics Core 14
Connectivity 15
Misc Interfaces and Features 16
Kontron Features 16
Additional features 16
Power Features 17
3.3 Block Diagram 18
3.4 Variant Matrix 18
3.5 Accessories 19
3.6 Electrical Specification 20
3.6.5 ATX Mode 21
3.6.6 Single Supply Mode 21
3.7 Power Control 22
3.8.2 Humidity 23
WEEE Directive 24
Conformal Coating 24
Shock & Vibration 25
3.10 MTBF 26
3.11 Mechanical Specification 27
3.12 Module Dimensions 28
3.14 Onboard Fan Connector 30
4 Features and Interfaces 31
4.2 Rapid Shutdown 32
4.5 SPI boot 35
Using an external SPI flash 36
4.6 M.A.R.S 37
4.7 Fast I2C 38
Configuration 39
Time-out events 40
WDT Signal 40
4.10 Speedstep Technology 41
4.11 C-States 42
4.12 Hyper Threading 43
4.13 VID-x 44
4.16 Display Configuration 48
DDI Design Consideration 51
DVI-I Design Topology 51
Requirements 52
Setup a Multi-monitor system 52
4.18 Intel® vPro™ technology 53
4.20 USB 55
5 System Resources 56
5.2 Memory Area 57
5.3 I/O Address Map 57
5.5 I2C Bus 58
5.6 JILI I2C Bus 58
5.7 SDVO I2C Bus 58
6 Connectors 60
7 Pinout List 61
7.2 Connector X1A Row A 62
COMe-bSC2 / Pinout List 63
7.3 Connector X1A Row B 64
7.4 Connector X1B Row C 66
7.5 Connector X1B Row D 68
8 BIOS Operation 70
8.3 Setup Guide 72
8.4 POST Codes 72
Item Specific Help Window 73
General Help Window 73
8.5 BIOS Setup 74
8.5.2 Advanced 76
PCI Subsystem Settings 78
ACPI Settings 79
Trusted Computing 80
CPU Configuration 81
CPU Information 82
CPU PPM Configuration 83
Miscellaneous 84
Watchdog 85
Smart Battery Configuration 86
Battery Information 87
Generic LPC Decode Ranges 88
Thermal Configuration 89
Passive Cooling 90
PCH-FW Configuration 91
Super IO Configuration 93
Serial Port 0 Configuration 94
Serial Port 1 Configuration 95
Parallel Port Configuration 96
H/W Monitor 97
COMe-bSC2 / BIOS Operation 100
Intel ICC 101
Clock Spread Spectrum 102
8.5.3 Chipset 103
SystemAgent Configuration 104
Graphics Configuration 105
LCD Control 106
- DVI-I' 107
Memory Configuration 109
GT - Power Management Control 110
PCH-IO Configuration 111
LAN Configuration 112
SATA Configuration 113
HDA Configuration 115
USB Configuration 116
PCI Express Configuration 117
8.5.4 Boot 120
Boot Option Priority 121
8.5.5 Security 122
Set HDD Password 123
8.5.6 Save & Exit 124
Corporate Offices 125

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Kontron COMe-bSC2 User Manual Page 90

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