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HP ENVY 6-1111nr Ultrabook 6 IRQs, DMAs, and I/O Addresses Used by Your PC

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3 Troubleshooting Your PC

Technical Information

IRQs, DMAs, and I/O Addresses Used by Your PC

IRQs used by PC	IRQ0	system timer
	IRQ1	keyboard
The IRQ, DMA, and	IRQ2	system cascade
I/O address	IRQ3	free if not used for serial port
mappings shown	IRQ4	free if not used for serial port
here are for a PC	IRQ5	free if not used for parallel port
with a basic	IRQ6	flexible disk drive controller
configuration. The	IRQ7	free if not used for parallel port
resources used by	IRQ8	real-time clock
your PC may vary,	IRQ9	available for PCI devices, if not used by ISA board
depending upon	IRQ10	available for PCI devices, if not used by ISA board
which accessory	IRQ11	available for PCI devices, if not used by ISA board
boards are bundled	IRQ12	mouse
with the PC.	IRQ13	co-processor
	IRQ14	integrated IDE hard disk drive controller
	IRQ15	free if not used by second IDE controller

DMAs	DMA 0	free
used by PC	DMA 1	free if not used for parallel port in Setup
	DMA 2	flexible disk drive controller
	DMA 3	free if not used for parallel port in Setup
	DMA 4	used to cascade DMA channels 0-3
	DMA 5	free
	DMA 6	free
	DMA 7	free

I/O Addresses	170h - 177h, 376h IDE secondary channel
used by PC	1F0h - 1F7h, 3F6h IDE primary channel
	278h - 27Fh (and 3A8h) parallel port
	2E8h - 2EFh serial port
	2F8h - 2FFh serial port
	370h - 371h integrated I/O controller
	378h - 37Fh parallel port
	3B0h - 3DFh (3B0-3BB,3O0-3DF) integrated video graphics controller
	3E8h - 3EFh serial port
	3F0h - 3F5h, 3F7h integrated flexible disk controller
	3F8h - 3FFh serial port
	496h - 497h HP reserved
	678h - 67Bh parallel port if ECP mode is selected
	778h - 77Bh parallel port if ECP mode is selected

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Contents

Page and Windows® Page WARNING Who this Manual is For This manual is for anyone who wants to: •Set up the PC for the first time •Configure the PC Important Ergonomic Information Page Contents 1 Setting Up and Using Your PC Connecting the Mouse, Keyboard and Printer 2 How to Install Accessories In Your PC Moving and Replacing the Power Supply 3 Troubleshooting Your PC 4 Hewlett Packard Support and Information Services Page Page Setting Up and Using Your PC Operating System Installation Tools Connecting the Mouse, Keyboard and Printer Models with Integrated Video Controller Models with Millennium Video Board Connecting Audio Accessories Connecting Audio Accessories NOTE Volume Control have built-in amplifiers Page 1Remove the CD-ROMdrive’s font bezel by carefully pulling it off 2Replace it with the universal front bezel Connecting the Power Cables Connect the power cords to the display and the computer Your PC’s Hardware Control Panel Your PC’s Hardware Control Panel Your PC’s hardware control panel is on the front of your PC Power on Status Light Power On/Off Button Speaker Out for Headset Starting Your PC Starting the PC for the First Time Changing the operating system Choice of Operating System Initializing Your Software After Your PC Has Restarted Stopping Your PC Using the Flexible Disk Drive Setting an Administrator Password Setting a User Password Using Power Management Additional Information and Help •New features—whatis new and special about your PC •Using your PC—simple, “how-to-use”guidelines about using your PC •Working in comfort—guidanceon ergonomic issues How to Install Accessories In Your PC 2 How to Install Accessories In Your PC Accessories You Can Install Accessories You Can Install Video Memory Upgrade (Models with Millennium board only) Removing the Cover Replacing the Cover after Installing Accessories Moving the Power Supply Replacing the Power Supply Installing Main Memory To install a main memory module: 2Remove the computer’s cover (refer to page 19) Check the HP Summary Screen to verify the new configuration (refer to page 44) Upgrading the Millennium Board Memory If You Have a MGA Millennium Board Connecting IDE Devices Jumper Settings Configuring an IDE Device After Installation Installing an IDE Hard Disk Drive in the Top Rear Shelf Page Page Installing an IDE Hard Disk Drive in the Bottom Rear Shelf Page Page Installing a CD-ROM,Tape or Zip Drive in a Front Shelf Push the two catches (indicated by Page 12Remove the power supply and place it upside down on the front drive unit Connect the power cable to the rear of each drive The connectors are shaped to fit one way only 18Verify the new configuration by checking the HP Summary Screen. Refer to page Configuring Accessory Boards with Plug and Play Configuring non-Plugand Play ISA Accessory Boards Installing the Board Installing an Accessory Board (refer to previous page) Step 3: Unscrew the retaining bracket Step 5: Remove slot cover Step 7: Slide board into the slot Installing a Security Cable 1Insert the lock into the slot located at the rear of the PC 2Turn the key to lock the cable to the PC 3Remove the key and store it in a safe place Troubleshooting Your PC Solving Problems This chapter can help you solve most problems you might have with your PC HP Summary Screen The HP Summary Screen provides information about your PC’s current Display is Blank and There Are No Error Messages Check External Items Check Internal Items If You Cannot Start Your PC from a Modem If a POST Error Message is Displayed Page Display Does Not Work Properly If Your Display is Blurred or Unreadable If Nothing is Displayed on the Screen Other Display Problems If Your Keyboard Does Not Work If Your Mouse Does Not Work If Your Printer Does Not Work If the Flexible Disk Drive Does Not Work If the Hard Disk Activity Light Does Not Work If the Hard Disk Does Not Work If the CD-ROMDrive Has a Problem CD-ROMDrive Does Not Work CD-ROMDrive is Idle CD-ROMDrive Door Does Not Open If an Accessory Board Does Not Work If You Have Forgotten Your Password 1Switch off the PC 2Restart the PC. If the keyboard is locked, enter the Administrator password 3Wait for F2=Setup to be displayed 4Press to start Setup If Your Application Software Does Not Work If the Date and Time are Incorrect No Sound When Running Any Applications Humming Noise Sounds Changing the Battery After removing the computer’s cover: External Battery Mount the external battery as shown below, using the System Board Switches Power Consumption Typical Power Consumption/Availability for ISA Accessory Slots Typical Power Consumption/Availability for PCI Accessory Slots Acoustic Noise Emission Physical Characteristics IRQs, DMAs, and I/O Addresses Used by Your PC First, Turn Off Your PC Hewlett Packard Support and Information Services Introduction •HP Authorized Reseller •HP SupportPack •HP Support Assistant CD-ROM •HP Information Services Your HP Authorized Reseller HP SupportPack HP Support Assistant CD-ROM •Product manuals and service manuals •Installation and configuration information •Troubleshooting information •Technical reference manuals HP Forum on CompuServe HP Forum on America Online HP BBS Library HP World Wide Web Site HP FAXback on Demand—HPFIRST HP Audio Tips (USA only) HP Automated Support Directory Ordering Drivers and BIOS on Diskette HP Support Services For your bundled application, HP recommends that you keep the master CD-ROM Customer Support Center Lifeline Telephone Support HP Network Phone-inSupport Service (NPS) It can help you to: •resolve complex network problems •support your HP and non-HPproducts with a single telephone call •increase network uptime Summary Summary Hewlett-PackardMarketing Headquarters ASIA Far East Sales Region Hdqtrs Hewlett-PackardAsia Ltd Col. Lomas de Santa Fe Page Glossary Glossary DIMM expansion slot IRQ jumper within several buildings of a campus mass storage PCI pixel Picture element. The smallest addressable spot on the screen Plug & Play RAM ROM Setup program SIMM True color Also known as RGB Index Index Page Page Regulatory Information and Warranty Regulatory Information DECLARATION OF CONFORMITY according to ISO/IEC Guide 22 and EN Page Page Page Page Page Page Page PC Documentation Roadmap If you want to