IRQ Mapping Table

1st MB Memory Address Map

Memory address					Description
	00000-9FFFF				System memory
	A0000-BFFFF					VGA buffer
	F0000-FFFFF				System BIOS
	1000000-				Extend BIOS
IRQ Mapping Table

IRQ0		System Timer			IRQ8		RTC clock
IRQ1		Keyboard			IRQ9		USB2.0
IRQ2		Available			IRQ10		LAN
IRQ3		COM2			IRQ11		AUDIO/SMBus Cntrlr
IRQ4		COM1			IRQ12		PS/2 mouse
IRQ5		Available			IRQ13		FPU
IRQ6		FDC			IRQ14		Primary IDE
IRQ7		Available			IRQ15		Secondary IDE
DMA Channel Assignments

Channel				Function
0			Available
1			Available
2			Floppy disk (8-bit transfer )
3			Available
4			Cascade for DMA controller 1
5			Available
6			Available
7			Available

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IBM SAGP-845EV 1st MB Memory Address Map Memory address Description, IRQ Mapping Table, DMA Channel Assignments Function

Contents

With 10/100 Ethernet LAN & AGP4X VGA SBC Version Copyright Notice TrademarksSupport Table of Contents Introduction Specifications − For alternative applications, a keyboard and a PS/2 Package Contents Installation SAGP-845EV LayoutLayout Keyboard Power Selection Clear Cmos SetupCompact Flash Card Master/Slave Mode Setting CPU Voltage Setting Connection Table of Connectors Label Function FDD1 FDC Connector Floppy Disk Drive Connector Ultra ATA33/66/100 IDE Disk Drive Connector IDE1 Primary IDE ConnectorIDE2 Secondary IDE Connector Parallel Port LPT1 Parallel Port Connector COM1 10-pin Connector COM2 10-pin ConnectorSerial Ports Keyboard Connector USB Port ConnectorIrDA Infrared Interface Port Fan Connector LAN RJ45 ConnectorVGA Connector CN4 Audio Connector 2x82.00mm Audio ConnectorsCDIN1 CD-IN Connector 1X42.54mm pin head Right GND Left CFA1 Compact Flash Storage Card Socket Pin Assignment Compact Flash Storage Card SocketGround Card DETECT1 Card DETECT2 Ground PW1 ATX Power Switch Connector External Switches and IndicatorsPW2 ATX12V Power Connector for CPU CN2 Multiple Panel Starting Setup Award Bios SetupPress DEL to enter Setup Introduction Using Setup Main MenuKey Function Standard Cmos Features Setup ItemsAdvanced Bios Features Advanced Chipset Features EGA/VGA Standard Cmos Setup MM DD Yyyy Main Menu Selections Options DescriptionIDE Mono Options Description IDE AdaptersCHS LBA Advanced Bios Features LAN BootROM Quick Power On Self TestFirst/Second/Third/Other Boot Device Boot Up Floppy Seek Typematic Rate Setting Boot Up NumLock StatusTypematic Delay Msec Gate A20 Option Small Logo EPA Show Report No FDD For Win Auto Advanced Chipset FeaturesDram Timing Selectable CAS Latency Time System Bios Cacheable Dram RAS# to CAS# DelayVideo Bios Cacheable Delay Transaction Integrated Peripherals Flash BiosOn-chip VGA On-Chip Primary/Secondary PCI IDE Uart Mode Select IDE HDD Block ModeParallel Port Mode IDE Primary/Secondary Master/Slave Udma Watchdog Timer Unit Power Management SetupS1POS Dpms Suspend Mode Power ManagementFor SL CPU’s Video Off Method Primary IDE Secondary IDE FDD, COM, LPT Port HDD Power Down Reset Configuration Data 10 PnP/PCI Configuration SetupResource controlled by IRQ Resources IRQ3/4/5/7/9/10/11/12/14/15 assigned to PC Health StatusPCI/VGA Palette Snoop Vcore Auto Detect PCI Clk Frequency/Voltage ControlSpread Spectrum CPU Host / 3V66 / PCI Clock Defaults Menu Supervisor/User Password Setting Enter PasswordPassword Disabled Save to Cmos and Exit Y/N? Y Exit SelectingExit Without Saving Quit without saving Y/N? Y INT 15H AH 6FH Appendix a Watchdog TimerPage IO Address Map Address Range Description Appendix B Address Mapping 1st MB Memory Address Map Memory address Description IRQ Mapping TableDMA Channel Assignments Function Bios Update Procedure Appendix C How to Upgrade a New Bios Install screen Recovering the previous Bios Appendix D AGP Slot

IBM SAGP-845EV user manual 1st MB Memory Address Map Memory address Description, IRQ Mapping Table

Models: SAGP-845EV

1st MB Memory Address Map

Memory address

Description

DMA Channel Assignments

Function