IBM SAGP-845EV user manual Appendix B Address Mapping, IO Address Map Address Range Description

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Appendix B Address Mapping

IO Address Map

I/O address Range

Description

000-01F

DMA Controller

020-021

Interrupt Controller

040-05F

System time

060-06F

Keyboard Controller

070-07F

System CMOS/Real time Clock

080-09F

DMA Controller

0A0-0A1

Interrupt Controller

0C0-0DF

DMA Controller

0F0-0FF

Numeric data processor

1F0-1F7

Primary IDE Channel

2F8-2FF

Serial Port 2 (COM2)

378-37F

Parallel Printer Port 1 (LPT1)

3B0-3BF

Intel(R) 82815 Graphics Controller

3C0-3DF

Intel(R) 82815 Graphics Controller

3F6-3F6

Primary IDE Channel

3F7-3F7

Standard floppy disk controller

3F8-3FF

Serial Port 1 (COM1)

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Contents Version With 10/100 Ethernet LAN & AGP4X VGA SBCSupport Copyright NoticeTrademarks Table of Contents Specifications Introduction− For alternative applications, a keyboard and a PS/2 Package Contents Layout InstallationSAGP-845EV Layout Clear Cmos Setup Keyboard Power SelectionCompact Flash Card Master/Slave Mode Setting CPU Voltage SettingTable of Connectors Label Function ConnectionFloppy Disk Drive Connector FDD1 FDC ConnectorIDE2 Secondary IDE Connector Ultra ATA33/66/100 IDE Disk Drive ConnectorIDE1 Primary IDE Connector LPT1 Parallel Port Connector Parallel PortSerial Ports COM1 10-pin ConnectorCOM2 10-pin Connector IrDA Infrared Interface Port Keyboard ConnectorUSB Port Connector VGA Connector Fan ConnectorLAN RJ45 Connector Audio Connectors CN4 Audio Connector 2x82.00mmCDIN1 CD-IN Connector 1X42.54mm pin head Right GND LeftCompact Flash Storage Card Socket CFA1 Compact Flash Storage Card Socket Pin AssignmentGround Card DETECT1 Card DETECT2 GroundExternal Switches and Indicators PW1 ATX Power Switch ConnectorPW2 ATX12V Power Connector for CPU CN2 Multiple PanelAward Bios Setup Starting SetupPress DEL to enter Setup IntroductionKey Function Using SetupMain Menu Setup Items Standard Cmos FeaturesAdvanced Bios Features Advanced Chipset FeaturesStandard Cmos Setup EGA/VGAMain Menu Selections Options Description MM DD YyyyIDE MonoIDE Adapters Options DescriptionCHS LBAAdvanced Bios Features Quick Power On Self Test LAN BootROMFirst/Second/Third/Other Boot Device Boot Up Floppy SeekBoot Up NumLock Status Typematic Rate SettingTypematic Delay Msec Gate A20 OptionReport No FDD For Win Small Logo EPA ShowAdvanced Chipset Features AutoDram Timing Selectable CAS Latency TimeDram RAS# to CAS# Delay System Bios CacheableVideo Bios Cacheable Delay TransactionFlash Bios Integrated PeripheralsOn-chip VGA On-Chip Primary/Secondary PCI IDEIDE HDD Block Mode Uart Mode SelectParallel Port Mode IDE Primary/Secondary Master/Slave UdmaPower Management Setup Watchdog Timer UnitS1POS DpmsPower Management Suspend ModeFor SL CPU’s Video Off MethodHDD Power Down Primary IDE Secondary IDE FDD, COM, LPT Port10 PnP/PCI Configuration Setup Reset Configuration DataResource controlled by IRQ ResourcesPC Health Status IRQ3/4/5/7/9/10/11/12/14/15 assigned toPCI/VGA Palette Snoop VcoreFrequency/Voltage Control Auto Detect PCI ClkSpread Spectrum CPU Host / 3V66 / PCI ClockDefaults Menu Password Disabled Supervisor/User Password SettingEnter Password Exit Selecting Save to Cmos and Exit Y/N? YExit Without Saving Quit without saving Y/N? YAppendix a Watchdog Timer INT 15H AH 6FHPage Appendix B Address Mapping IO Address Map Address Range DescriptionDMA Channel Assignments Function 1st MB Memory Address Map Memory address DescriptionIRQ Mapping Table Appendix C How to Upgrade a New Bios Bios Update ProcedureRecovering the previous Bios Install screenAppendix D AGP Slot
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