Arecord on Beagleboard

HI

I have been working with beagle board and Angstrom FS from
http://narcissus.angstrom-distribution.org/

But I can not record any sound with arecord I have follow this steps
in order to test Alsa

http://code.google.com/p/beagleboard/wiki/BeagleBoardDiagnostics

To record
arecord -t wav -c 2 -r 44100 -f S16_LE -v k

To play
aplay -t wav -c 2 -r 44100 -f S16_LE -v k

I have play with

aplay /dev/urandom

and it works fine

I have also play a .wav song and it works fine

I have follow the same on my Ubuntu desktop to test my microphone and
it works fine

Does any body has been tested the record on beagleboard ?

I know I am missing something really simple some control on Alsa
amixer but I have already enable all the controls that are related to
capture

Thanks a lot for your help and sorry for this basic question

Regards

Victor Rodriguez