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Watchdog Timer 39

AMC-1000

7 Watchdog Timer

7.1 WDT Overview

This section explains the operation of the AMC-1000’s Watchdog

Timer (WDT). The primary function of the WDT is to monitor the

AMC-1000 operation and to reset the system if a software applica-

tion fails to function as programmed. The following WDT functions

may be controlled using a software application:

X enabled and disabled

X reloading timeout value

Figure 7-1: AMC-1000 Watchdog Timer Architecture

The AMC-1000 implements the internal WDT unit of the Intel 3100

chipset and its LPC interface. It contains registers of device6 at

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 95 96

User’s Manual 1
Revision History 2
Preface iii 3
AMC-1000 3
Conventions 5
Table of Contents 7
Table of Contents ix 9
List of Tables 11
List of Figures 13
1Overview 15
1.2 Features 16
1.3 Block Diagram 17
1.4 Package Contents 18
2 Specifications 19
2.3 Software 20
2.4 Mechanical/Environmental 20
2.5 Power Consumption 21
2.6 Board Layout 22
AMC-1000 Assembly Outline 23
AMC-1000 Front Panel 23
10 Specifications 24
3 Functional Description 25
Intel® Celeron® M 26
3.2 Memory 27
3.3 Chipset 28
3.3.1 PCI Express 29
3.3.2 IICH 29
3.3.3 IMCH 30
Functional Description 17 31
3.4 Peripherals 32
3.4.3 Serial Port 33
3.4.4 Serial ATA Interfaces 33
3.4.5 Timer 33
3.4.6 Watchdog Timer 34
3.4.7 Battery 34
3.4.8 SMBus Devices 35
3.4.9 GPIO Signals 35
22 Functional Description 36
Functional Description 23 37
24 Functional Description 38
4 Connectors and Switches 39
COM Connector CN14 (RJ45) 40
4.2 Onboard Switches 41
28 Connectors and Switches 42
Connectors and Switches 29 43
30 Connectors and Switches 44
Connectors and Switches 31 45
32 Connectors and Switches 46
5 Getting Started 47
5.2 Installing the AMC-1000 48
5.3 Removing the AMC-1000 49
5.4 BIOS Update Procedure 49
36 Getting Started 50
6 Driver Installation 51
6.3 LAN Driver 52
7 Watchdog Timer 53
8 IPMI Interface 59
8.1 Command List 60
IPMI Interface 47 61
8.2 FRU Data Table 62
9 BIOS Setup Utility 63
Setup Menu 64
Navigation 64
Hotkey Descriptions 65
52 BIOS Setup Utility 66
9.2 Main Setup 67
9.3 Advanced BIOS Setup 68
BIOS Setup Utility 55 69
56 BIOS Setup Utility 70
9.3.2 IDE Configuration 71
58 BIOS Setup Utility 72
9.3.3 AHCI Configuration 73
60 BIOS Setup Utility 74
9.3.5 Configuration 75
62 BIOS Setup Utility 76
9.3.6 USB Configuration 77
64 BIOS Setup Utility 78
9.4 PCI/PnP Setup 79
66 BIOS Setup Utility 80
9.5 Boot Setup 81
68 BIOS Setup Utility 82
9.5.2 Boot Device Priority 83
9.5.3 Hard Disk Drives 84
9.6 Security Setup 85
72 BIOS Setup Utility 86
9.6.2 Change User Password 87
9.6.3 Clear User Password 87
9.7 Chipset Setup 88
BIOS Setup Utility 75 89
9.7.2 Onboard VGA 90
9.7.3 CMOS Backup Function 90
9.8 Exit Menu 91
Discard Changes and Exit 92
Discard Changes 92
Load Optimal Defaults 92
Load Failsafe Defaults 92
Important Safety Instructions 93
Getting Service 95
82 Getting Service 96

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