[Ilugc] AC'97 Sound

From: sriram.narayanan@xxxxxxxxxxxxx (sriram.narayanan@xxxxxxxxxxxxx)
Date: Mon, 25 Nov 2002 11:11:25 +0530

Hi,

I have a similar problem with my i845 GLLY Motherboard, which uses the
onboard i845 Chipset for the Video and Sound Cards. As mentioned by you in
Windows the same works fine but in RH Version 8.0 the same gets detected
correctly but tries to open the same with the i810Chipset Drivers.

From a member of the XFree86 Developer one Mr.Harris mailed me that the

i845 chipset of Intel is not supported currently. As far as the Video
memory goes I have resolved to make it work with VESA and increasing the
Video Frame Buffer to 8MB in the BIOS Setup.

Sound Card I am not able to configure.

Well, there is another thing with I came to know is that BASE Kernal 2.4.19
and XFree86 4.2.1 supports the same. But, this is not distributed with
Redhat only Mandrake 9.0 comes along with this.

Also, XFree86 4.3.0 comes with these Drivers for Video Card. I believe
Sound Card must be supported by Mandrake 9.0, I have not tried it since I
have decided not to experiment by donwloading the Source and Building the
same in my machine, as I do not have any experience on the same.

Hope this info throws some light on the issue mentioned by you. If you are
able to fix the same, please do let me know I shall try out the same in my
Box.

I have mentioned about i845 Chipset assuming that a similar issue could be
with i815EG Chipset.

Thanx
-Sriram



                    "Venkataramani,

                    Sriram (Cognizant)"         To:
ilugc@xxxxxxxxxxxxxxxxxx
                    <Vsriram1@Chn.cogniz        cc:     (bcc:
sriram.narayanan/Polaris)
                    ant.com>                    Subject:     [Ilugc] AC'97
Sound
                    Sent by:

                    ilugc-admin@xxxxxxxx

                    m.ernet.in





                    11/25/02 10:02 AM






Hi all,

I have a 815EG Intel motherboard with onboard AC'97 audio controller. It
works perfectly on "windows" .
dmesg tells me ( redhat 7.2 / mandrake 8.2)

i810_audio:Audio Controller supports 6 channels
i810_audio:AC'97 codec 0 unable to map sorround DAC's (or DAC's not
present)
, total channels = 2
i810_audio:drain_dac,dma timeout

Something peculiar also happens...when i load xmms with some mp3 it flashes
for 4 seconds and then stops. xmms "hangs"

Has anyone encountered this problem before ? Is there a workaround ?

Is this a problem associated with the hardware.

thanks
sriram

[Ilugc] AC'97 Sound

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