DMA-channel Usage, DMA-channel Description | Intel ECB-865 guide

User’s Manual

DMA-channel Usage

The DMA circuitry incorporates the functionality of two 8237 DMA controllers with seven programmable channels. The controllers are referenced DMA Controller 1 for channels 0- 3 and DMA Controller 2 for channels 4-7. Channel 4 is by default used to cascade the two controllers.


	DMA-channel	Description	Note

	DMA0	Available for PC/104 interface & PCI slot
	DMA1	Available for PC/104 interface & PCI slot
	DMA2	Standard Floppy Disk Controller
	DMA3	Parallel port, if using ECP mode
	DMA4	Used for cascading
	DMA5	Available for PC/104 interface & PCI slot
	DMA6	Available for PC/104 interface & PCI slot
	DMA7	Available for PC/104 interface & PCI slot

94ECB-865 User’s Manual

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Intel ECB-865 user manual DMA-channel Usage, DMA-channel Description

Contents

User’s Manual ECB-865 FCC Statement Copyright Notice Trademark AcknowledgementDisclaimer Life Support Policy Evalue Customer Services Message to the CustomerTechnical Support Evalue Technology Inc Evalue Europe A/S Product Warranty Packing List Watchdog Timer Programming Jumper & Connector Manual Objectives Introduction Entering Setup Setting JumpersConnector Definitions Map Document Amendment History Revision Date Comment Manual Objectives Introduction System Overview System Specifications Chipset ITE IT8712F-A Expansion Interface Weight 0.5 Kg Mechanical and Environmental Architecture Overview 1 82815 Gmch and 82801BA AGP Interface Dram InterfaceMultiplexed AGP and Display Cache Interface Ethernet 7.1 ICH2 LAN Controller PCI Interface6 USB Systems DiskOnChip IntelITE IT8712F-A Safety Precautions Hardware ConfigurationInstallation Procedure Removing CPU Main Memory Systems’ DiskOnChip Flash Disk Installing DOCExpansion Interface Installing the Single Board Computer 1 815E integrated Graphics Controller Drivers Support Watchdog Timer Programming Enable WDTDisable WDT Re-trigger WDT Jumper & Connector Jumper & Connector Layout Jumper & Connector List Jumpers Label FunctionJP10 JP11 Connectors Label Function J10J11 J12 Setting Jumpers Watchdog Timer Enable / Disable Onboard Watchdog Timer JP12 Watchdog Timer Programming I/O Address Select JP6Clear Cmos JP9 0553H / 0033H 0543H / 0343H Watchdog Timer Time-Out Interval Select JP10 SecJP10 16 Sec 32 Sec 64 Sec 10.3 COM2 RS-232/422/485 Select JP1, JP2~JP5 Bus Master Systems DiskOnChip Memory Address Select JP11Proprietary PCI Bus Master Selection JP13 Connector Definitions System Reset Connector J1 External Speaker Connector J2Keyboard Lock & Power Indicator Connector J3 Primary IDE / Secondary IDE Active Indicator Connector J4 Primary IDE Connector J5 Secondary IDE Connector J10 ECB-865 Primary Master connector STROBE, with the PIIX4 latching RESET# Floppy Connector J6 Signal Description Floppy Connector J6 DRVDEN0/1# ATX Power Button Connector J8 Parallel Port Connector J11 11.12 DB25 Parallel Port Connector J11 Signal Description Parallel Port Connector J11 STB# GND DTR CTS CTS RTS DSR GND CTS/RTS + USB Connector J13, J19 Signal Description USB Connector J13, J19CPU Fan and System Fan Connector J14, J25 Fast & Standard IrDA Connector J15 Smart Card Interface J17 Signal Configuration Fast & Standard IrDA Connector J15ATX Power Controller J16 11.28 10/100 BASE-Tx Ethernet Connector J18, J20 Signal Description 10/100Base-Tx Ethernet Connector J18, J20 CRT Connector J22 Signal Description CRT Connector J22 Internal Keyboard Connector J24 11.33 PS/2 Keyboard Connector J26Signal Description Int. & PS/2 Keyboard Connector J24, J26 11.35 PS/2 Mouse Connector J26 Proprietary PCI Connector J21 Write bursts System Interface Control Error Reporting Arbitration Interrupts AMI Bios Setup Press F1 to Run Setup or Resume AMI Bios Setup Main Menu Enter key to accept or enter the sub-menu Cmos Setup Reference Table Standard Cmos Setup MenuDate and Time Configuration Floppy A, Floppy B Boot Sector Virus Protection Master Disk, Slave Disk Advanced Cmos Setup Defaults Quick Boot 2.2 1st / 2nd / 3rd Boot Device Try Other Boot DeviceBootUp Num-Lock Password Check Shadow Memory from Address C000~DFFF, 16K Per Segment Boot To OS/2System Bios Cacheable CPU Ratio Selection Advanced Chipset Setup DefaultsICH Delayed Transaction Sdram RAS# to CAS# Delay Internal Graphic Mode SelectMemory Hole Dram Cycle time SCLKs Power Management Setup Defaults Power Management/ APMGreen PC Monitor Power State Acpi Aware O/S CPU Critical Temperature Stand by Time Out MinuteSuspend Time Out Minute Throttle Slow Clock Ratio Wake Up on LAN Power Button FunctionWake Up on Ring PCI / Plug and Play Setup Defaults Plug and Play Aware O/S PCI Latency Timer PCI Clocks Clear NvramPCI / VGA Palette Snoop Allocate IRQ to PCI VGA Peripheral Setup Defaults OnBoard FDCOnBoard Serial Port1 OnBoard Serial Port2 Disabled Parallel Port ModeOn Board Parallel Port 378h On-Chip IDE Parallel Port IRQParallel Port DMA Channel Hardware Monitor Setup Defaults User’s Manual Driver Installation Driver Installation for Ethernet Adapter Windows User’s Manual ECB-865 User’s Manual ECB-865 Windows NT 4.0 Ethernet Installation ECB-865 User’s Manual ECB-865 User’s Manual Driver Installation for Display Adapter Windows User’s Manual ECB-865 User’s Manual ECB-865 Windows NT 4.0 Display Installation ECB-865 User’s Manual ECB-865 Measurement Drawing Appendix a Bios Revisions Bios Rev New Features Bugs/Problems Solved Known Problems Appendix B System Resources Memory Map Map Port Description User’s Manual Interrupt Usage Interrupt Description DMA-channel Usage DMA-channel Description Appendix C Amibios Power-On Self Test If it beeps… Then… Appendix D Amibios Post Check Point List Code Description Bios User’s Manual Present User’s Manual ECB-865 User’s Manual