Kontron COMe-mSP1 Instrukcja Użytkownika Pobierz pdf (Strona 36)

COMe-mSP1 / Features and Interfaces

4.10 Watchdog Timer

You can configure the Watchdog Timer (WDT) in BIOS setup to start after a set amount of time after power-on boot. The

WDT can also be controlled by the JIDA32 Library API. The application software should strobe the WDT to prevent its

timeout. Upon timeout, the WDT resets and restarts the system. This provides a way to recover from program crashes or

lockups.

Configuration

You can program the timeout period for the watchdog timer in two ranges:

» 1-second increments from 1 to 255 seconds

» 1-minute increments from 1 to 255 minutes

Contact Kontron Embedded Modules technical support for information on programming and operating the WDT.

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COMe-mSP1 1
» Table of Contents « 3
1 User Information 6
1.5 Warranty 7
1.6 Technical Support 7
2 Introduction 8
COMe-mSP1 / Introduction 9
2.5 COM Express® Benefits 10
3 Product Specification 11
Accessories 12
3.2 Functional Specification 13
Graphics Core 14
Power Features 15
Connectivity 15
Misc Interfaces and Features 15
Kontron Features 15
Supported Operating Systems 16
3.3 Block Diagram 17
3.4 Electrical Specification 18
3.4.5 ATX Mode 19
3.4.6 Single Supply Mode 19
3.5 Power Control 20
3.6.2 Humidity 21
CE marking 22
WEEE Directive 22
Conformal Coating 22
Shock & Vibration 23
3.8 MTBF 24
3.9 Mechanical Specification 25
3.10 Thermal Management 26
3.11 Heatspreader 26
4 Features and Interfaces 27
4.3 LPC boot 29
4.4 M.A.R.S 30
4.5 Fast I2C & SMBus 31
4.6 JIDA16 and JIDA32 32
4.7 K-Station 1 33
4.8.1 I2C 34
4.8.2 Storage 34
4.8.3 GPIO 34
4.8.4 Hardware Monitor 34
Configuration 35
4.10 Watchdog Timer 36
4.11 Flash Backup Feature 37
4.12 Speedstep Technology 39
4.13 C-States 40
4.14 Hyper Threading 41
4.16 USB 43
4.17 SDIO 44
4.18 Graphics Interface 45
4.19 LPC Bus 47
Zero Delay Clock Buffer 48
5 System Resources 49
5.1.2 In APIC mode 50
5.2 Memory Area 51
5.3 I/O Address Map 51
5.5 Internal I2C Bus 52
5.6 JILI I2C Bus 52
5.7 SDVO I2C Bus 52
5.9 Pinout List 53
5.9.2 Connector X1A Row A 54
COMe-mSP1 / System Resources 55
5.9.3 Connector X1A Row B 56
6 BIOS Operation 60
6.3 Setup Guide 61
6.4 BIOS Setup 63
6.4.2 Module Info 64
Module Software Revisions 65
Memory Module Information 65
Current LVDS Configuration 66
6.4.3 Advanced Menu 67
CPU Configuration 68
IDE Configuration 69
IDE Device Submenu 70
SDIO Configuration 71
COMe-mSP1 / BIOS Operation 72
ACPI Configuration 73
ACPI Cooling Options 74
Miscellaneous Settings 76
I2C Buses 77
Watchdog 78
MARS Interface Configuration 79
Ethernet Configuration 80
PCIExpress Configuration 81
Trusted Computing 82
USB Configuration 83
Hardware Health Configuration 85
6.4.5 Boot 87
Boot Setting Configuration 88
6.4.6 Security 90
Display Control 93
Internal LVDS Configuration 94
6.4.8 Exit Menu 96
Corporate Offices 97

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