Epson ETX-945 user manual Interrupt Request IRQ Lines, IRQ Level Function

Page 34

5.3Interrupt Request (IRQ) Lines

Peripheral devices use interrupt request lines to notify CPU when services are required. The table below lists the interrupt request channels used by the ETX-945’s onboard devices.

IRQ Level

Function

 

 

IRQ 01

Standard 0 / 02-Key or Microsoft Natural PS/2 Keyboard

 

 

IRQ 03

Communications Port

 

 

IRQ04

Communications Port

 

 

IRQ 08

System CMOS/real time clock

 

 

IRQ 09

Microsoft ACPI-Compliant System

 

 

IRQ 10

Communications Port

 

 

IRQ 11

Communications Port

 

 

IRQ 12

PS/2 Compatible Mouse

 

 

IRQ 13

Math Coprocessor

 

 

IRQ 14

Primary IDE Channel

 

 

IRQ 15

Intel 8280 G (ICH7 Family) SMBus Controller - 27DA

 

 

IRQ 16

Intel 8280 G (ICH7 Family PCI Express Root Port - 27D0

 

 

IRQ 16

Intel 8280 G (ICH7 Family) USB Universal Host Controller - 27CB

 

 

IRQ 16

Mobile Intel 94 GM Express Chipset Family

 

 

IRQ 17

Realtek AC’97 Audio

 

 

IRQ 18

Intel 8280 G (ICH7 Family) PCI Express Root Port - 27D4

 

 

IRQ 18

Intel 8280 G (ICH7 Family) USB Universal Host Controller - 27CA

 

 

IRQ 19

Intel 8280 G (ICH7 Family) USB Universal Host Controller - 27C9

 

 

IRQ 19

Intel 8280 G (ICH7-M Family) Serial ATA Storage Controller - 27C4

 

 

IRQ 19

Intel 8280 G (ICH7 Family) USB Universal Host Controller - 27C9

 

 

IRQ 20

Intel PRO/ 00 VE Network Connection

 

 

IRQ 23

Intel 8280 G (ICH7 Family) USB Universal Host Controller - 27C8

 

 

IRQ 23

Intel 8280 G (ICH7 Family) USB2 Enhanced Host Controller - 27CC

 

 

ETX-945 User Manual 1.00

www.diamondsystems.com

Page 34

Image 34
Contents High-Performance ETX 3.0 Compliant Computer-on-Modules Contents Safe Handling Precautions Important SAFE-HANDLING InformationIntroduction FeaturesRAM ETX-945 Models BiosUSB Block Diagram Functional OverviewBoard Dimensions, Mounting Holes, and Connectors Board Layout TopBoard Layout Bottom ETX Bus Connectors Bus and Interface Connector SummaryOther Interface Connectors Getting Started Configuring the Hardware ETX Development KitsStandard Cmos Features Booting the SystemBios Setup Utility Advanced Bios FeaturesNTSC, PAL Advanced Chipset FeaturesPower Management Setup Integrated PeripheralsOther Settings and Utilities Bios Beep Code List6 PnP/PCI Configuration Operating System DriversInterface Connector Details ETX1 Connector PCI bus signals USB signals Audio interfaceGND Miscellaneous functionsVCC ReservedETX2 Connector ETX3 Connector Analog video output TV video outputLCD interface Serial port interfacesKeyboard, mouse, and infrared transceiver interfaces Parallel port interfaceFloppy drive interface LTGIO0 ETX4 Connector Signal Name Signal Function Direction IDE interfacesPower control and management Ethernet portSata Connectors Miscellaneous signalsAppendix System Resources Reference Bios Memory MappingVGA Bios LAN ROMI/O Port Address Map Address Device DescriptionPage Interrupt Request IRQ Lines IRQ Level FunctionBios Post Codes Code FunctionPage Page

ETX-945 specifications

The Epson ETX-945 is a versatile all-in-one printer designed to meet the needs of both home offices and small businesses. As part of Epson's EcoTank series, the ETX-945 features a revolutionary cartridge-free design that utilizes a refillable ink tank system. This innovative approach not only reduces waste but also allows for a significantly lower cost per page when compared to traditional cartridge-based printers.

One of the standout features of the ETX-945 is its high-capacity ink tanks. Each tank is designed to hold a considerable amount of ink, providing a competitive yield that can print thousands of pages before needing a refill. This ensures that users can print large volumes without the constant interruption of replacing cartridges. The included bottles of ink make it easy to refill the tanks, minimizing downtime and maximizing productivity.

The ETX-945 is equipped with both print and scan capabilities, making it a true all-in-one solution. Its printing technology utilizes PrecisionCore, Epson's proprietary technology that delivers high-quality prints at impressive speeds. With a maximum resolution of 4800 x 1200 dpi, text documents are crisp and clear, while color photos boast vibrant and accurate colors.

In terms of connectivity, the ETX-945 offers a wide range of options to suit different user needs. It supports wireless printing through Wi-Fi and Wi-Fi Direct, allowing for seamless printing from a range of devices, including smartphones and tablets. The printer also features Ethernet connectivity for those who prefer a wired setup. Additionally, users can take advantage of Epson's iPrint app to print documents and photos directly from their mobile devices.

The ETX-945 also incorporates scanning and copying functions, with an automatic document feeder (ADF) that simplifies multi-page scanning tasks. The flatbed scanner is designed to accommodate various document sizes, making it a flexible choice for different types of projects.

Another notable characteristic of the ETX-945 is its eco-friendly design. The printer's Energy Star certification indicates that it meets strict energy efficiency guidelines, helping to lower electricity consumption while contributing to a more sustainable printing solution.

In summary, the Epson ETX-945 stands out as a powerful, efficient, and eco-friendly printer that is perfect for creating high-quality documents and images. With its cost-effective ink tank system, diverse connectivity options, and multifunction capabilities, it serves as an ideal partner for both professionals and everyday users alike.