4 Feb
2003
4 Feb
'03
7:06 p.m.
Felipe,
Hi. IRQ5 == NOT_GOOD. The two normal ways to change hardware interrupts
are:
1) Change the slot the card is in until you find the slot that uses the IRQ
you want. I recommend you do not share IRQs between your sound card and any
other device in your system. Asus MBs give you a table that describes which
slots are using shared IRQs. Follow the documentation if you have some.
2) Look and see if your BIOS allows you to set the IRQ of a specific slot.
If it does (my Asus MBs do, which is another reason I like them) then
reserve IRQ10 (or even IRQ9) for the slot your audio card is in. This is
sometimes a bit difficult to find. It is under something like Advanced PCI
Configuration in my BIOS. I've seen some GigaByte MBs that say they have
this feature, but then don't do anything.
Humm...is this actually an ISA card? I hope not...
Mark
-----Original Message-----
From: linux-audio-user-admin(a)music.columbia.edu
[mailto:linux-audio-user-admin@music.columbia.edu]On Behalf Of felipe
Sent: Tuesday, February 04, 2003 2:41 PM
To: linux-audio-user(a)music.columbia.edu
Subject: Re: [linux-audio-user] Uhm, low latency?
On Tuesday 04 February 2003 01:58, Mark Knecht wrote:
lspci -v and tell us what IRQ you have for
audio. Best (in my
experience) is IRQ 9, followed by 10, or 11.
Uhm, my sound card (an opl3sa2 PnP) is using IRQ 5. IRQ 9 is taken by
usb-uhci (which I rarely use for my camera), 10 is not used, 11
is for the
video card. I never tried to change the default values, how could
I do that?
Right now I enable the sound card at boot with
$: isapnp /etc/isapnp.conf
and then loading the alsa module, I thought this meant I could
simply change
the values in /etc/isapnp.conf but no...
Anyways, working as root does the job very well, apart from freezing
everything sometimes :)
felipe
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