kX IRQ

Max Shepelev · Jun 8, 2003, 03:52 PM

Hello all!

I unable to determine real IRQ for my Live! card. Windows Device Manager shows IRQ 10 but About Box of kX Mixer shows IRQ 11. Device Manager shows 11 for VideoCard. What's the real IRQ for Live! ?

I've disabled ACPI in BIOS and in OS (changed 'ACPI computer' to 'Standard Computer' in Windows Device Manager), and manually set IRQ10 for sound card and IRQ11 for video, so no shared IRQs must be. What's wrong?

**Eugene Gavrilov** · Jun 8, 2003, 11:41 PM

kx driver uses different windows functions in order to determine the IRQ number
sometimes it corresponds to a real IRQ, sometimes it doesn't

microsoft has hidden the IRQ stuff by introducing ACPI -- perhaps recent XP versions, even when ACPI is disabled, don't display the correct IRQs

it should be possible to get the IRQ number by acquiring PCI bus manually (by writing a custom PCI look-up tool based on direct i/o access / giveio driver)

/Eugene

Jun 8, 2003, 03:52 PM	#1
Max Shepelev DriverHeaven Junior Member Join Date: May 2003 Location: Ukraine, Kyiv Posts: 20 Rep Power: 0	kX IRQ Hello all! I unable to determine real IRQ for my Live! card. Windows Device Manager shows IRQ 10 but About Box of kX Mixer shows IRQ 11. Device Manager shows 11 for VideoCard. What's the real IRQ for Live! ? I've disabled ACPI in BIOS and in OS (changed 'ACPI computer' to 'Standard Computer' in Windows Device Manager), and manually set IRQ10 for sound card and IRQ11 for video, so no shared IRQs must be. What's wrong? __________________ Max Shepelev, Delphi & C++ developer

Jun 8, 2003, 11:41 PM	#2
Eugene Gavrilov kX Project Lead Programmer and Coordinator Join Date: Dec 2002 Posts: 3,119 Rep Power: 75	kx driver uses different windows functions in order to determine the IRQ number sometimes it corresponds to a real IRQ, sometimes it doesn't microsoft has hidden the IRQ stuff by introducing ACPI -- perhaps recent XP versions, even when ACPI is disabled, don't display the correct IRQs it should be possible to get the IRQ number by acquiring PCI bus manually (by writing a custom PCI look-up tool based on direct i/o access / giveio driver) /Eugene