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USB Port conflict

Started by Janis , Jan 31 2005 08:23 PM

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#1
Janis

Posted 31 January 2005 - 08:23 PM

Member

Member
333 posts

With donated parts, we put together another pc at the senior center. The motherboard is an ABIT BF6. It has 256K of memory. OS is WIN98SE. Everything seemed okay at first but we have found you can not have two USB devices plugged in. We plugged in the printer and then we kept getting an error message about the port being open when we attempted to use the modem. When we unplugged the printer, and then rebooted, the modem operates normally. The only thing I can find in BIOS is to enable IRQ for USB. I disabled it to see if that fixed the problem but then re-enabled as the problem persisted. Is there another way to fix this problem? :tazz:

#2
Tim Wellman

Posted 31 January 2005 - 09:47 PM

Member

Member
80 posts

This is a known issue, in fact a lot of Abit motherboards seem to have usb problems. The problem is an irq conflict... you *might* be able to work around the problem in the bios setup, disable the bios control of power management... the ACPI support.

There might be a problem though, you *might* need to have this switched off BEFORE you install windows... so, you might need to try to reinstall windows after disabling the ACPI Support in the bios...

You need to keep the usb irq enabled though

The things they don't include in owners manuals, huh? :-)