On Sat, 31 Mar 2007, Chris Mathey wrote:
> Eben King wrote:
>>
>> That seems a rather poor allocation to me, especially with all those things
>> sharing IRQ11. OK, the SCSI card is barely used, but sharing the video
>> with ide2 has got to be bad for both of their performances. Good thing
>> PCI5 is empty, or it'd probably be there too.
>>
>> Anyhow, I'm thinking about getting a card that needs its own interrupt. Is
>> there a way to change these assignments? Are they chosen by PCI slot?
>>
> Your going old school huh?
> I haven't had a problem with IRQ sharing since ... circa 1999
No problem yet, the machine acts fine. Except for mplayer crashing X, but I
think that's nvidia's fault. (Come to think of it, maybe if I got the video
card on its own IRQ...) It's just that I read a HOWTO and it said that when
I install a certain Winmodem (bleah), I should choose a PCI slot whose
interrupt isn't shared with another device. I was just wondering how one
determines a card's IRQ.
There's a table in the motherboard manual:
A B C D
PCI slot 1 - - - shared
PCI slot 2 shared - - -
etc
but:
1: What do A, B, C, D represent? WAG: 4 IRQ values that I choose in the
BIOS.
2: It says "This table lists the default IRQ assignments; they are
applicable only for OS Win98, WinME; for WinXP, system runs in APIC mode
by default." OK, interrupts appear to be of type "XT-PIC", so is it
valid or not?
--
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