[Bug 15414] Re: nm256: no ac97 is found (Dell Inspiron 3500 & others)

Michael Monreal michael.monreal at gmail.com
Sat Sep 20 19:49:38 UTC 2008

I had the "pleasure" to work on the Inspiron 3500 of my gf today. Same
problem as described here with Ubuntu 8.04.1.

However, digging around I got it working.

1.) some mail from these http://www.mail-archive.com/search?q=inspiron
3500&l=alsa-user at lists.sourceforge.net&start=0 seems to suggest that the
Inspiron 3500's NM256 is actually no proper NM256. It seems to be
missing AC'97 and use a Crystal chip.

2.) The solution posted here works for me:

-- quote --
In file /etc/modules added this line:


In file /etc/modprobe.d/sound I have:

blacklist snd-nm256
blacklist snd-opl3sa2

alias snd-card-0 snd-cs4231
alias sound-slot-0 snd-cs4231
options snd-cs4231 port=0x534 irq=5 dma1=1 dma2=0

nm256: no ac97 is found (Dell Inspiron 3500 & others)
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