Kontron EPIC/PM, User Manual

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Table of Contents
19 Power Interface.........................................................................................................55
19.1 Power Interface Connectors...............................................................................55
19.1.1 ATX Connector Version......................................................................................55
19.1.2 AT Connector Version .......................................................................................56
19.1.3 Configuration .................................................................................................56
19.2 ATX/Reset/2LED Interface.................................................................................56
19.2.1 Configuration .................................................................................................57
20 Watchdog Timer ........................................................................................................58
20.1 Configuration .................................................................................................58
20.2 Programming .................................................................................................58
20.2.1 Initialization ..................................................................................................58
20.2.2 Trigger ..........................................................................................................58
21 Hardware Monitor......................................................................................................59
21.1 Configuration .................................................................................................59
22 Important Technology Information ..............................................................................60
22.1 Max CPU Frequency setting................................................................................60
22.2 Thermal Monitor and Catastrophic Thermal Protection ............................................60
22.2.1 Thermal Monitor .............................................................................................60
22.2.2 Catastrophic Thermal Protection ........................................................................61
22.3 Processor Performance Control ..........................................................................61
22.4 Thermal Management.......................................................................................62
22.4.1 Processor Clock Throttling.................................................................................62
22.5 I/O APIC vs. 8259 PIC Interrupt mode ..................................................................63
22.6 Native vs. compatible IDE mode .........................................................................63
22.6.1 Compatible IDE Mode .......................................................................................63
22.6.2 Native Mode ...................................................................................................63
22.6.3 Native Mode Configuration................................................................................64
23 Appendix A: System-Resource Allocation ......................................................................65
23.1 Interrupt Request (IRQ) Lines ............................................................................65
23.2 Direct Memory Access (DMA) Channels.................................................................66
23.3 Memory Map...................................................................................................67
23.3.1 Using Expanded Memory Managers .....................................................................67
23.4 I/O Address Map .............................................................................................68
23.5 Peripheral Component Interconnect (PCI) Devices .................................................69
24 Appendix B: BIOS Operation........................................................................................70
24.1 Determining the BIOS Version............................................................................70
24.2 Configuring the System BIOS .............................................................................70
Kontron User's Guide
EPIC/PM
vi