Re: Two soundblaster
On Mon, 5 Feb 2001, Julio Merino wrote:
>Hi all
>
>I'm trying to configure two soundblaster 16 pnp isa in the same
>machine. The two cards are not the same so they should be properly
>recognized (both work on windows fine).
>
>I'm using 2.2.18 kernel and have compiled the sb module. I have also
>used isapnp.conf to setup both cards, and the configuration for them
>is the following (which I've included into /etc/modutils/sb):
>
>options sb io=0x220 irq=5 dma=1 dma16=5 mpu_io=0x330
>options sb2 io=0x240 irq=9 dma=3 dma16=6 mpu_io=0x300
>
>The sb2 module is a copy of the sb module. I can't figure out how to
>configure both sb cards with the same module, so I've done this.
>
>The problem comes when trying to use the second soundblaster, which is
>recognized as a Vibra16 by bios; the module is installed properly but
>then it doesn't work. I've tried setting up sb2 with dma=0 dma16=3,
>which make it sound, but it gives me "Invalid 16 dma".
>
>Below I've included the output of the isapnp command, loading
>/etc/isapnp.conf if it can be of any help:
> juli:[/home/juli] # isapnp /etc/isapnp.conf
> Board 1 has Identity 1a 10 0d 81 4b 2a 00 8c 0e: CTL002a Serial No 269320523 [checksum 1a]
> Board 2 has Identity 6d ff ff ff ff f0 00 8c 0e: CTL00f0 Serial No -1 [checksum 6d]
^^^^^^^^^^^^
That's the serial no. of a vibra16...The dma 16 thing is a known issue:
read the kernel docs for workarounds: I think it's
/usr/src/linux/Documentation/sound/VIBRA16
> CTL002a/269320523[0]{Audio }: Ports 0x220 0x330 0x388; IRQ5 DMA1 DMA5 --- Enabled OK
> CTL002a/269320523[3]{Game }: Port 0x200; --- Enabled OK
> CTL00f0/-1[0]{Audio }: Ports 0x240 0x300; IRQ9 DMA3 DMA6 --- Enabled OK
> CTL00f0/-1[1]{Game }: Port 0x210; --- Enabled OK
>
>As you see it gaves no error, but I'm wondering about that -1...
>
>Please, any info could be great :D
>
>Thanks in advance.
>
>
>
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