Diamond Systems LX800 PC/104 user manual Interrupt Request Lines IRQ, DMA Map

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Appendix

000003F8 - 000003FF	Communications Port

00000778 - 0000077B	Printer Port

00000A79 - 00000A79	ISAPNP Read Data Port

00000D00 - 0000FFFF	PCI Bus

0000FC00 - 0000FCFF	Realtek RTL8139/810x family Fast Ethernet NIC

0000FF00 - 0000FF0F	Standard Dual Channel PCI IDE Controller

4.2 Interrupt Request Lines (IRQ)

Peripheral devices use interrupt request lines to notify CPU for the service required. The following table shows the IRQ used by the devices on board.

Level	Function

IRQ 01	PC/AT Enhanced PS/2 Keyboard

IRQ 03	Communications Port

IRQ 04	Communications Port

IRQ 05	Standard Enhanced PCI to USB Host Controller

IRQ 05	Standard Open HCD USB Host Controller

IRQ 06	Standard Floppy Disk Controller

IRQ 10	Advanced Micro Devices Win 2K/Win Graphics Driver

IRQ 10	Geode LX AES Crypto Driver

IRQ 11	Realtek RTL8139/810x Family Fast Ethernet NIC

IRQ 12	Microsoft PS/2 Mouse

IRQ 14	Primary IDE Channel

4.3 DMA Map

DMA Channel	Device Description

02	Standard Floppy Disk Controller

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Contents Rhodeus-LC Table of Contents Appendix Introduction Copyright Notice About User’s ManualReplacing the lithium battery Technical SupportWarranty Packing List Ordering InformationBios 6S L¿ WlrqBoard Dimensions Introduction Unitmm Installation Block Diagrams AMD Geode LX800 CPU 500MHzJumpers and Connectors Jumper / Connector Quick Reference Jumpers ConnectorsKBM1 Keyboard & Mouse Connector IDE1 44 pins IDE Connector Connector type PC104 Press FIT 2x20P connector Select IR1 Infrared Connector Pin Mode Strobe AFD PTD0 Error PTD1 Init PTD2 Slin PTD3 GND PTD4 PTD5 COM1/ COM2 Serial Port Connector 17 PDD3 GND PDD4 PDD11 PDD5 PDD12 PDD6 PDD13 PDD7 PDD14 Driver Path Bios Bios Introduction Bios SetupTime Standard Cmos FeaturesDate Video IDE Primary HDDs / IDE Secondary HDDsDrive a / Drive B Halt On Advanced Bios Features Quick Power On Self TestFirst/ Second Boot Device Boot Other DeviceCyrix 6x86/MII Cpuid Boot Up NumLock StatusSecurity Option Interleave Select Advanced Chipset FeaturesCAS Latency Time XOR Bit Select Video Memory SizeOutput display Memory Hole At 15M-16MIntegrated Peripherals OnChip IDE Devicev On-Chip IDE ChannelIDE DMA Transfer Access IDE HDD Block ModeIDE Primary Master/Slave PIO IDE Primary Master/Slave UdmaUart Mode Select IR Transmission DelaySuperIO Device Onboard FDC Controller Serial/ Onboard Parallel PortUR2 Duplex Mode Use IR PinsParallel Port Mode EPP Mode SelectDecode I/O Speed 0/ 1/ 2/ 3/ 4 IT8888 ISA Decode IODecode I/O Space 0/ 1/ 2/ 3/ 4 Decode I/O Address 0/ 1/ 2/ 3/ 4/ 5 Decode I/O Size 0/ 1/ 2/ 3/ 4IT8888 ISA Decode Memory Decode Memory Space 0/ 1/ 2Onboard Lan Boot ROM Decode Memory Speed 0/ 1/ 2Decode Memory Addr / 1/ 2/ 3 Decode Memory Size 0/ 1/ 2Resources Controlled By PNP OS Installed 3133&,&RQ¿JXU Wlrqv PCI/VGA Palette Snoop IRQ ResourcesMemory Resources PC Health Status Load Optimized Defaults Set Password Save & Exit Setup Exit Without Saving Bios Beep Sound code list Bios memory mappingAward Bios Post Codes QNRXWVFUHHQ&OH U&026HUURUÀ JBios $XWR&RQ¿JXU WLRQW OH 94h Appendix I/O Port Address Map Address Device DescriptionInterrupt Request Lines IRQ DMA MapMemory Address Map NIC