UPGRADING REPAIRING PCs
UPGRADING REPAIRING PCs UPGRADING REPAIRING PCs
60 Chapter 2—System Components and Configuration Here’s an example of how to fill out the worksheet: System Resource Map PC Make and Model: Intel SE440BX-2 ________ Serial Number: 100000______________ Date: 06/09/99 ____________ Interrupts (IRQs): I/O Port Addresses: 0 - Timer Circuits ______________ 040-04B ______________ 1 - Keyboard/Mouse Controller ____ 060 & 064 ___________ 2 - 2nd 8259 IRQ Controller ______ 0A0-0A1 ____________ 8 - Real-time Clock/CMOS RAM ____ 070-071 ____________ 9 - SMC EtherEZ Ethernet card ____ 340-35F_____________ 10 - ________________________ ___________________ 1 1 - Adaptec 1542CF SCSI Adapter 334-3371 (scanner) ____________ 1 2 - Motherboard Mouse Port ______ 060 & 064 ___________ 1 3 - Math Coprocessor ___________ 0F0 ________________ 1 4 - Primary IDE (hard disk 1 and 2) _ 1F0-1F7, 3F6 _________ 1 5 - Secondary IDE (CD-ROM/tape) _ _ 170-177, 376 ________ 3 - Serial Port 2 (Modem) ________ 3F8-3FF _____________ 4 - Serial Port 1 (COM1) _________ 2F8-2FF _____________ 5 - Sound Blaster 16 Audio_______ 220-233 ____________ 6 - Floppy Controller ___________ 3F0-3F5 _____________ 7 - Parallel Port 1 (Printer) _______ 378-37F_____________ Devices not using interrupts: I/O Port Addresses: Mono/EGA/VGA Standard Ports ______ 3B0-3BB ___________ EGA/VGA Standard Ports___________ 3C0-3CF ___________ CGA/EGA/VGA Standard Ports_______ 3D0-3DF ___________ ATI Mach 64 video card additional ports _ 102,1CE-1CF,2EC-2EF _ _ Sound Blaster 16 MIDI port _________ 330-331 ___________ Sound Blaster 16 Game port (joystick)_ 200-207 ___________ Sound Blaster 16 FM synthesizer (music) 388-38B ______________________ __________________ _____________________________ DMA Channels: __________________ 0 -____________________________ 1 - Sound Blaster 16 (8-bit DMA) ______ 2 - Floppy Controller _______________ 3 - Parallel Port 1 (in ECP mode)_______ 4 - DMA Channel 0-3 Cascade _________ 5 - Sound Blaster 16 (16-bit DMA) _____ 6 - Adaptec 1542CF SCSI adapter 1 _____ 7 - ____________________________
Other Add-On Card Configuration Issues 61 1. Represents a resource setting that had to be changed to resolve a conflict. After you’ve completed your system resource map by recording the current settings for hardware, you’re ready to solve conflicts. Note Resource use can change whenever PnP or non-PnP hardware is installed or removed, so you should update this chart whenever you add or remove internal hardware. Resolving Conflicts by Card and Operating System Type Table 2.24 Guide to Resolving Conflicts Operating System Card Type Notes Windows 9x/ PnP Use Device Manager to change card settings 2000/Me if possible; remove and reinstall card to redetect card and use new settings if card can’t be set manually; if new card can’t be detected when installed, remove other PnP cards and install new card first. Non-PnP Use Device Manager to see conflicting devices; manually configure cards to nonconflicting settings by changing jumpers, DIP switches, or rerunning configuration programs. Other operating Any When did the conflict first become apparent? systems If the conflict occurred after you installed a new adapter card, that new card probably is causing the conflict. If the conflict occurred after you started using new software, chances are good that the software uses a device that is taxing your system’s resources in a new way. Are two similar devices in your system not working? For example, if your modem, integrated serial ports, or mouse devices that use a COM port do not work, chances are good that these devices are conflicting with each other. Have other people had the same problem? And if so, how did they resolve it? Public forums such as those on CompuServe, Internet newsgroups, and America Online are great places to find other users who might be able to help you solve the conflict. Also check vendor forums for help. After you research these questions, make one (one!) change to your system configuration, reboot the computer and see whether the problem is now resolved. Repeat with a different setting until the problem is solved. Test all components to make sure that “fixing” one component didn’t cause a conflict with
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Other Add-On Card Configuration Issues 61<br />
1. Represents a resource setting that had to be changed to resolve a conflict.<br />
After you’ve completed your system resource map by recording the<br />
current settings for hardware, you’re ready to solve conflicts.<br />
Note<br />
Resource use can change whenever PnP or non-PnP hardware is<br />
installed or removed, so you should update this chart whenever<br />
you add or remove internal hardware.<br />
Resolving Conflicts by Card and Operating System Type<br />
Table 2.24 Guide to Resolving Conflicts<br />
Operating System Card Type Notes<br />
Windows 9x/ PnP Use Device Manager to change card settings<br />
2000/Me if possible; remove and reinstall card to redetect<br />
card and use new settings if card can’t be<br />
set manually; if new card can’t be detected<br />
when installed, remove other PnP cards and<br />
install new card first.<br />
Non-PnP Use Device Manager to see conflicting<br />
devices; manually configure cards to nonconflicting<br />
settings by changing jumpers, DIP<br />
switches, or rerunning configuration programs.<br />
Other operating Any When did the conflict first become apparent?<br />
systems If the conflict occurred after you installed a<br />
new adapter card, that new card probably is<br />
causing the conflict. If the conflict occurred<br />
after you started using new software, chances<br />
are good that the software uses a device that<br />
is taxing your system’s resources in a new<br />
way.<br />
Are two similar devices in your system not working?<br />
For example, if your modem, integrated<br />
serial ports, or mouse devices that use a COM<br />
port do not work, chances are good that<br />
these devices are conflicting with each other.<br />
Have other people had the same problem? And if<br />
so, how did they resolve it? Public forums such<br />
as those on CompuServe, Internet newsgroups,<br />
and America Online are great places<br />
to find other users who might be able to help<br />
you solve the conflict. Also check vendor<br />
forums for help.<br />
After you research these questions, make one<br />
(one!) change to your system configuration,<br />
reboot the computer and see whether the<br />
problem is now resolved. Repeat with a different<br />
setting until the problem is solved.<br />
Test all components to make sure that “fixing”<br />
one component didn’t cause a conflict with
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