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Re: PCI Interrupts



Tom Warren wrote:
[stuff deleted]
>Did you unmask the slave PIC (8259) for IRQ 10? You need to clear bit 2,
>port A1h (IN AL, A1h; AND AL, 11111011B; OUT A1h, AL). Do this before
>installing your interrupt handler (ISR).
>
Actually you should do this after installing the ISR. Otherwise the 
default ISR will be called, and it usually turns the mask bit on again.

/Ingvar
Ll
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