Parallel Port Interrupts

	Interrupt Level Assignments

Interrupt
Priority	Interrupt Device*

IRQ08	System CMOS/real time clock
IRQ09	Shared Resource: ACPI IRQ Holder for PCI IRQ
	Steering/YAMAHA AC-XG Audio Device/Intel
	82801AA SMBus Controller/SCI IRQ used by
	ACPI bus
IRQ10	Shared Resource: ACPI IRQ Holder for PCI IRQ
	Steering/Winfast 3D S32011 (TNT2-PRO)
IRQ11	Shared Resource: ACPI IRQ Holder for PCI IRQ
	Steering/Intel 82801AA USB Universal Host
	Controller
IRQ12	WheelMouse (PS/2)
IRQ13	Numeric Data Processor
IRQ14	Primary IDE Controller/Intel 82801AA Bus
	Master IDE Controller
IRQ15	Secondary IDE Controller

* IRQ settings may vary, depending on system configuration.

The parallel port I/O interrupts are given in the following table.

Parallel Port Interrupts

Port

Interrupt

LPT1IRQ07

LPT2IRQ07

LPT3IRQ07

System Configuration 2-3

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Image 30

NEC PowerMate CT manual Parallel Port Interrupts

Contents

W E R M a T E C T Proprietary Notice and Liability Disclaimer Contents Iv Contents Illustrated Parts Breakdown Vi Contents List of Figures Viii Contents Preface Abbreviations Abbreviations Xii Abbreviations Uart System Overview Configuration PowerMate CT System Configuration Component Description PowerMate CT Minitower Front Features FeaturesFront Features PowerMate CT Desktop Front Features Rear Features PowerMate CT Minitower Rear Features Minitower Rear Connector Locations PowerMate CT Desktop Rear Features Desktop Rear Connector Locations Inside Features Power SupplyInside the System Power Management Features Software Features Preloaded Software Security Features Password Security System Components ComponentsSystem Board Component Go to Diskette Drive Power SupplySystem Memory Hard Drive DVD-ROM Drive MouseCD-ROM Drive CD-RW Drive Modem Board Network Board System Configuration Interrupt Level Assignments Interrupt RequestsSystem Interrupts Interrupt Priority Interrupt Device Parallel Port Interrupts Parallel Port InterruptsPort Interrupt Serial Port Interrupts Jumper SettingsSystem Board Jumper Settings Serial Port Interrupts System Board Jumper Block Locations System Board Jumper Block SettingsFunction Jumper Setting Description Cmos JP4 Bios JP5 JP3RAM CD-ROM Drive Jumper Settings Maxtor Eide Hard Drive Jumper SettingsQuantum Eide Hard Drive Jumper Settings Maxtor Eide Hard Drive Jumper Settings Bios Setup Utility How to Start SetupSetup Main Menu How to Use Setup Setup Key FunctionsKey Function Main Menu Items Menu Item Settings default is boldMain Menu 44/1.25 MB 3 1/2 CD-ROM Multi-Sector Transfers Disabled, 2, 4, 8, 16 sectors Advanced Menu Advanced Menu Uncached, Write Protect IRQ3, IRQ4 Normal, IR IRQ5, IRQ7 NMI SMISCI AGP, PCI Security MenuSecurity Menu Items Clear , Set Supervisor, User Once these passwords are set, NEC Computers Inc Power MenuPower Menu Settings Has no capability to remove them Off, On Exit Menu Items Boot Menu SettingsExit Menu Press Shift + Establishing Hard Disk Drive Passwords Changing Hard Disk Drive PasswordsHard Drive Security Using Hard Disk Drive Password Protection Highlight Assign HDD Password and press EnterMoving the Hard Drive Flash Utility Online Documentation Product Recovery Program Starting the Recovery Program Using the Recovery Program Standard System Restore Using the Smart Restore Program Tools PowerMate Driver CD Intel Processor Serial Number Control Utility System Requirements InstallationFrequently Asked Questions Processor Serial Number Intel Technical Support Email support@intel.com Disassembly and Reassembly PowerMate CT System Disassembly Sequence Sequence Part Name See Locating the Cover Screws System CoversRemoving the Cover Cover Replacing the Cover Replacing the CoverRemoving the Cover Side Slots and Tabs Removing the Front Panel Removing the Front PanelChassis Slots Replacing the Front Panel Expansion BoardsReplacing the Front Panel Slots on Chassis Front Panel Tabs on Front Panel Removing the Expansion Board Retainer Bar Locating Expansion Board Slots and ConnectorsRemoving the Retainer Bar Retainer Bar Tabs Tab Slots Removing an Expansion Board Removing an Expansion BoardExpansion Board AGP Video Board Locking Lever Installing a Slot Cover Installing a Slot CoverRemoving a Slot Cover Installing an Expansion Board Installing an Expansion Board Replacing the Retainer Bar Replacing the Retainer BarRetainer Bar End Lock Tab Retainer Bar Slot Lock Tab Slot Rimm Memory Modules Removing a Rimm or Continuity ModuleLocating the Rimm and Processor Sockets Plastic Clip Continuity Module Removing a Continuity ModuleRemoving a Rimm Module Plastic Clip Rimm Module Installing a Rimm or Continuity Module Installing a Rimm Module Installing a Continuity ModuleNotches Processor Removing the Processor Heat Sink Processor Retention Clip Installing an Upgrade ProcessorRemoving the Fan, Heat Sink, and Processor Locking Lever 4-Inch Accessible Devices Removing or Replacing a Bay Cover Removing a 5 1/4-Inch Device Bay Cover Storing and Retrieving Unused Rails Replacing a Bay CoverSlot on Rail Bay Cover Tab on Bay Cover Locating the Screws for 5 1/4-Inch Device Rails Removing or Installing Device RailsStoring an Unused Rail Front of Chassis Tab at End of Rail Device Rail Removing a 5 1/4-Inch Accessible Device Releasing a 5 1/4-Inch Device Installing a 5 1/4-Inch Accessible Device Inserting a 5 1/4-Inch Device for Use in a Minitower 2-Inch Accessible Devices Removing a 3 1/2-Inch Accessible DeviceRemoving the 3 1/2-Inch Accessible Device Bracket Installing a 3 1/2-Inch Accessible Device 3 1/2-Inch Accessible Device Bracket Locating the Internal Drive Bracket 2-Inch Internal DrivesRemoving a 3 1/2-Inch Internal Drive Front of Chassis Locating Internal Drive Bracket Screws Sliding the Internal Drive Bracket out of the ChassisGuide Tab one of four Screws 2 Installing a 3 1/2-Inch Internal DriveLocating Internal Drive Screws on the Bracket Screw Holes 2 Locating Guides for the Internal Drive Bracket Securing the Internal Drive Bracket Cmos Battery Locating the Battery on the System Board System Board Removing the BatteryBattery Clip Removing the System Board Reinstalling the System Board Locating System Board Screws Power Supply Locating the Power Supply Screws Locating Front USB Port Screws Front LED/Switch BracketFront USB Port Screw USB Port Board Releasing the Front LED/Switch Bracket Removing the Front LED/Switch Bracket Chassis Intrusion Switch Chassis Intrusion SwitchRemoving the Chassis Intrusion Switch Tab Minitower and Desktop Setup Converting from Minitower to Desktop Accessible Device Placement for a Desktop Converting from Desktop to Minitower Accessible Device Placement for a Minitower Chassis Shell Replacing the Chassis Shell System Board External Cable Connectors Minitower External Cable Connector LocationsVGA Connector on video board USB Port Microphone Internal Cable Connectors Desktop External Cable Connector LocationsSystem Board Internal Cable Connectors Changing a Jumper Setting Locating System Board JumpersSystem Board Jumper Locations Upgrade Sockets System Board Upgrade SocketsProcessor Socket Rimm 2 Socket Rimm 1 Socket Rimm Sockets Sample Rimm Upgrade PathsProcessor Socket Total Memory Checking System Memory MCH System Board ComponentsComponent Function ICH System Bios Processor and Secondary Cache Plug and Play PCI/IDE PortsParallel Interface Serial Port 1 and Serial Port 2 I/O Addresses Serial InterfaceParallel Port Addresses Starting I/O Address Port USB Interface Accelerated Graphics PortIntegrated Audio Addresses ResourcesMemory Map System Memory Map 0CF8-0CFF DMA Settings DMA SettingsDMA Setting Device Illustrated Parts Breakdown Field Replaceable Units PowerMate CT System FRUsOrdering Parts Ordering Parts Shield PowerMate CT System Illustrated Parts Breakdown Illustrated Parts Breakdown Preventive Maintenance System Cleaning Keyboard Cleaning Mouse Cleaning Locating the Mouse Ball Cover Troubleshooting Checklist System Problems Diskette Drive Problems Monitor Problems Keyboard/Mouse Problems CD-ROM Drive Problems Speaker Problems CD does not eject due to a power failure or software error Diagnostics Problem Problems and Solutions Problem Symptom Solution Keyboard or Problems and Solutions Necc Information Services Service Telephone Numbers Service Telephone NumbersNecc Service and Support Telephone Numbers Technical Support Technical Support Center Email/Fax Technical Support ServiceNecc FTP Site Tech-support@nec-computers.com Specifications System Board Specifications System Board SpecificationsSystem Specifications Specification Go to Keyboard Specifications Keyboard SpecificationsMouse Specifications Mouse Specifications Speaker Specifications Speaker SpecificationsSystem Unit Specifications System Unit Specifications Hard Drive Specifications Quantum Hard Drive Specifications Maxtor 5,400 RPM Hard Drive Specifications ATA-5/UDMASdram Maxtor 7,200 RPM Hard Drive Specifications Diskette Drive Specifications Diskette Drive SpecificationsCD-ROM Drive Specifications NEC CD-ROM Drive Specifications CD-RW Drive Specifications CD-RW Drive SpecificationsDVD-ROM Drive Specifications DVD-ROM Drive Specifications Zip Drive Specifications Zip Drive Specification Modem Board Specifications Modem Board SpecificationsNetwork Board Specifications 3Com 3C905C Network Board Specifications Intel PRO 100+ WOL Network Board Specifications ATX Power Supply SpecificationsEnvironmental and Safety Specifications Power Supply Specifications Compliance System ComplianceUsage Standard Glossary Archive Application programsArchitecture Asynchronous Base RAM Bad sectorBandwidth Batch file Boot block BootBootable device Boot sector Byte BusBus master Cache Codec Cold bootDefault Compression Enhanced VGA ECC memoryEDO memory Extended RAM Hertz Function keyGraphics accelerator Hexadecimal Isochronous KilobyteL2 cache Microprocessor MasterMegabyte Modem Overwrite PasswordOperating system Parallel interface Prompt ResetResolution Read Slot Serial interfaceSerial printer Sound card Track System boardTpi Ultra DMA Write-back Warm bootWrite Write-through Index Index-2 Index-3 Index-4 Canadian Department of Communications Compliance Statement Battery ReplacementFCC Statement for United States Only European Community Directive Conformance Statement Battery Disposal Mini-PCI FCC Registration Numbers 456-00134-000SRV 8/00

Interrupt Level Assignments

Interrupt

IRQ09

IRQ11

Parallel Port Interrupts

Parallel Port Interrupts

Port

Interrupt