Author: Bob Durrett
Date: 05:43:42 03/18/03
Go up one level in this thread
On March 18, 2003 at 03:30:34, David Dory wrote: >On March 17, 2003 at 21:50:41, Bob Durrett wrote: > >> >>I am thinking about purchasing a new computer and have a bunch of peripherals I >>would like to use with the new computer in addition to my chess software. >> >>My current computer has two USB2 ports and I have several peripheral devices. >>In other words, the computer I have is not good enough. Currently, my color >>printer and my Chessbase software interfere with each other. Chessbase ran fine >>until I installed the color printer driver and started using the printer. >> >>My impression is that CB8 uses an IRQ. Does anybody know if that's right? My >>current computer, using Windows XP Home, shows only twelve IRQs in the device >>manager. Is that standard for Windows XP Home, or is that hardware driven? >> >>If a computer has eight USB2 ports, it seems to me that that computer ought to >>have more IRQs to handle all the extra peripherals. >> >>I sure would appreciate any help with this. Do I misunderstand this stuff? I >>am not a computer Guru. >> >>Bob D. > >The number of interrupts is hardware - restricted, but not to worry, Windows >knows how to have more than one device share the same interrupt. For instance, >on this laptop, int #9 is used by the PCI bus host controller, the WinModem, and >the USB and 1394 (Firewire) controller hosts. No problem. Windows knows when I >need to print, it goes to the USB that happens to be hooked up to the printer at >that time. It doesn't send the data to the modem, the PCI bus host controller, >or to even the wrong USB port. > >Your problem might be resolved by Windows and here's how. Install and connect to >your USB port, all your hardware. Printer, everything, and turn your printer ON. >Load up all your device drivers. You may want to see if your printer has any >newer, better drivers for XP at their website. Sometimes this makes all the >difference. > >You can see the resources used by clicking on Start, Settings, Control Panel, >System, Hardware, Device Manager, and View. This is on Win2K, but XP is very >similar. You can look at the installed hardware, interrupts used by each, DMA >resources, etc. What you don't want to see is a yellow exclamation point or >question mark next to anything. That's trouble. > >If you have trouble, read up in your help section on resolving conflicts, and >give Windows a try to fix it. Windows will analyze the problem within your >system's current paramaters, and try to make it work. > >If it can find a fix (some rebooting will be required to see if it works), fine. > >In a recent computer I built up, (a mid tower, not this laptop), that wouldn't >work. There was no fix that could be found within the system's CURRENT >parameters. > >Next step, is to reinstall your XP operating system. This may allow XP to >re-initiate your system's parameters. In my case, Win2k wanted to use the same >settings as the last install, so it didn't work. > >I had to re-install Win2K from a bare disk before it could find the correct >system parameters. It finally did and all's well. This was last year, no problem >since. > >There are other issues which involve the BIOS settings. But if you do the above, >and it doesn't work, you should take it to a shop and have the work done for >you. > >Good luck and I hope this is helpful. > >Dave Thanks Bob D.
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