Ampro Corporation P5X Interrupt Function

Little Board/P5x Technical Manual

2–13

Table 2– 8. Interrupt Channel Assignments

Interrupt Function

IRQ0

IRQ1

IRQ2

IRQ3

IRQ4

IRQ5

IRQ6

IRQ7

ROM BIOS clock tick function, from Timer 0

Keyboard interrupt

Cascade input for IRQ8-15

Serial 2, Serial 4 (shared)

Serial 1, Serial 3 (shared)

PCI

Floppy controller

Parallel port (option)

IRQ8

IRQ9

IRQ10

IRQ11

IRQ12

IRQ13

IRQ14

IRQ15

Reserved for battery-backed clock alarm

PCI

PS/2 Mouse

Reserved for coprocessor

Primary IDE hard disk controller

Secondary IDE hard disk controller

Note: IRQs for the Ethernet, Video, and SCSI interfaces are

automatically assigned by the BIOS plug and play logic.

PCI Interrupts assigned during initialization cannot be used by non-

PCI devices.

Contents

Main ii Table of Contents Preface Introduction Product Reference Page Technical Specifications Appendix A Appendix B Preface Introduction Technical Support Chapter 1 Introduction General Description Product Feature Summary CPU/Motherboard Enhanced Embedded-PC BIOS Modular PC/104-Plus Expansion Bus Compact Flash Disk Serial Ports Parallel Port Floppy Interface PCI-Bus EIDE Interfaces PCI UltraSCSI Interface PCI Flat-Panel/CRT Display Controller 100 MB/s Ethernet LAN Interface Enhanced Reliability Software Designing Little Board Systems On-board MiniModule Expansion Figure 1 1. Stacking PC/104 Modules on the Little Board/P5x Using Standard PC and AT Bus Cards Little Board Development Platform And Quick Start Kit Little Board/P5x Utility I/O Development Board Figure 1 2. I/O Development Board Connector Name Description Connector Descriptions J5 Utility 1 J2 Mouse J3, J4 USB J1 Utilty 2 Switch Descriptions (S1 S4) Switch Name Description Figure 1 3. System Block Diagram Page Chapter 2 22 2 Product Reference Overview 22 Mounting Dimensions Figure 2 1 shows the Little Board/P5x mounting dimensions. Figure 2 1. Mounting Dimensions Page Connector Function Size Key Pin Page Page Jumper Summary Jumper Group Function Default DC Power Pin Signal Name Function Power Requirements Powerfail NMI Backup Battery ( C) Cooling Requirements Processor Speed Still Air ( C) 200 LFM Page System Memory Memory Address Function ROM BIOS Shadowing BIOS Recovery Interrupt and DMA Channel Usage Interrupt Function Channel Function Battery-Backed Clock Serial Ports I/O Addresses and Interrupt Assignments Port I/O Address Interrupt ROM-BIOS Installation of the Serial Ports Serial Port Connectors (J11, J13) Ports Pin Signal Pin DB9 Name Function I n/Out DB25 RS-485 Option J20 Pin Signal W1 Result Serial TTL Option Ampro Custom Serial Features Serial Console Features Hex Command Using Arrow Keys During Setup Function Substitute Keys COM Port Table Page Universal Serial Bus (USB) Ports J24 Pin Signal Name Function Infrared (IrDA) Interface Requirements for an IrDA interface J24 Pin Signal IrDA Connector (Part of J24) Name Function I/O Addresses and Interrupts I/O Address Selection Interrupt ROM-BIOS Installation of Parallel Ports Parallel Port Connector (J15) J15 Pin Signal Name In/Out Function DB25 Parallel Port Registers Register Name Address Standard and Bi-Directional Operation Using the Parallel Port in Bi-Directional Mode Using the Control Lines for Additional I/O Enabling the Parallel Port Interrupt Page Page Floppy Disk Interface Capacity Drive Size Tracks Data Rate Floppy Drive Considerations Floppy Interface Configuration Floppy Interface Connector (J14) Pin Signal Name Function In/Out Connector Type Mating Connector EIDE Hard Disk Interface J12, J17 Signal Name Function In/Out Pin Signal Name Function In/Out Connector Type Mating Connector IDE Interface Configuration Compact Flash Solid-State Disk Enabling the Drive Master/Slave Setting Solid-State Disk Preparation UltraSCSI INTERFACE UltraSCSI Connector Pin Signal Function Pin Signal Function Connector Type Mating Connector SCSI Interface Configuration Page Flat Panel/CRT Video Controller Name Connector Pins/Type Description Connecting a Flat Panel (J3) Name Description Connector Type Mating Connector Name Description Connector Type Mating Connector Power Sequencing Advanced Power Management BIOS Support of Standard Flat Panels The LCD Bias Supply Option (J4) J4 Pin J3 Pin Description Attaching an External Contrast Control Ra Rb Ground J3-47 External Contrast Control Connecting a CRT (J5) Pin Signal Name DB-15 Connector Type Mating Connector ZV Port Interface (J6) J6 Pin Name Function Mating Connector Disabling the Video Controller Ethernet Network Interface Hardware Description Ethernet RJ-45 Interface Connector (J7) J7 Pin Function Ethernet Interface Software Ethernet Setup Setting up a Boot PROM Ethernet Indicator LEDs Color Designation Function Watchdog Timer Utility Connectors (J16, J24) Pin Signal Name Function Connector Type Mating Connector LED Connection Speaker Connections Push-button Reset Connection Keyboard Connection J16 Pin Signal Name DIN-5 Pins DIN-6 Utility 2 Connector (J24) Pin Signal Name Function Pin Signal Name Function Connector Type Mating Connector PC/104-Plus EXPANSION BUS On-board MiniModule Expansion Figure 2 5. Stacking PC/104 Modules on the Little Board/P5x Using Standard PC and AT Bus Cards Expansion Bus Connector Pinouts Page Page Page Page PinABCD PCI Bus (P21) Notes Page Setup Setup Help Page Menu Name Functions Setup 1 Main Menu Setup 2 Standard CMOS Setup EIDE Hard Disk Drives Drive Selection Page Setup 3 BIOS Features Setup Serial Console Operation During Setup Page Setup 4 Chipset Features Setup Page Setup 5 Power Management Setup Page Setup 6 PCI Configuration Setup Setup 7 Integrated Peripherals Setup Page Page Chapter 3 Technical Specifications Little Board/P5x SPECIFICATIONS CPU/Motherboard Embedded-PC System Enhancements On-board Peripherals Page Support Software Mechanical and Environmental Specifications Page Page Little Board/P5x Technical Manual 37 Table 3 3. Supported CRT Video ModesStandard VGA Mode Display (KHz) Vert (MHz) Horiz Page Page Page Ampro Product Reliability Testing Page Appendix A Contacts EPP and ECP Operation Page Page Page Page Page Page Page Page Page Index A B C D F H I J K R S T U V