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Old 04-27-03, 07:18 PM   #11
bwkaz
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Join Date: Sep 2002
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Knoppix has (in the kernel configuration) support for your IO-APIC (instead of the older XT-PIC) interrupt controller.

Using APICs allows IRQ numbers higher than 15 (possibly only up to 31, but I don't know for sure).

If you can manage to get SuSE to enable APIC support, that might be a good workaround. If nothing else, it'll give you a bunch more IRQs to use. The option is somewhere (in the kernel configuration) under "processor type and features", IIRC.

I tried APIC support a while back, but my USB mouse stopped working right -- it looked like the interrupts were just never getting transmitted to the driver. Probably just something with my board and/or the way I configured that kernel, though (I've got a KT333). If your USB devices work under Knoppix, that would be a start.

Edit: Just saw the second post. Yeah, modifying your bootloader to do that would probably work too. As long as you don't need ACPI for something else...
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