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Subject2.4.4: USB problem with disabled device

a small problem: On my brother's PC with an Asus P2B and an non-PnP ISA
SoundBlaster 16 there was a problem with sound not working any more:

His SB used IRQ 5 (hardwired) and he had disabled the USB device in
BIOS. However SuSE Linux 7.2 detected the USB device and loaded the
module. As it seemed, even though IRQ 5 was marked as reserved in BIOS,
the disabled USB device also had IRQ 5. At least that's what the module
allocated. Later the sound module complained about IRQ 5 not being

I have no idea what the effect of disabling a device in BIOS means to
the hardware, or what can be done in the driver about it. I just wanted
to let you know.

P.S. Not subscribed to linux-kernel...

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