Given that the Realtek drivers seem to work poorly or not at all for many users I don’t think it makes any sense for VBox guys to add them to guest additions when people that really want to try them can install them themselves.. I believe you can mark this issues as Closed. You need to log in to change this bug’s status. I’m not even sure that VirtualBox can deliver secured “HD” audio over the virtualized device without breaking the authentication chain, if the driver installed on the guest is not itself “certified” by Microsoft WHQL, or at least digitally signed with a software certificate from as “reliable” PKI provider. As soon as processing of one buffer completes, an interrupt arrives which causes interuppt service routine to be invoked.

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This makes it is easy to add code for other vendor controllers as well and re-use Codec specific code, since it is independent of the controller being used. What happens if the guest OS itself uses its own local virtualization notably for memory-mapped 822801 registers? Certainly no, I won’t buy it and anyway none of my PCs have the support for hardware virtualization, even the msot recent one that I bought 1 month ago, due to ambiguous Intel specifications of its processor which has two distinct models with the same commercial name Cons nothing i can think off Summary gigabyte should have added this to their website even for an old os Reply to this review Was this review helpful?

I have identified an Audio Problem that effects specific Ubuntu Distributions currently under development and also identified related distributions in the same Ubuntu Family that does not have this problem with the same VirtualBox running on the same hardware platform. But it just worked. I am sure there is differences and there is something going wrong in the ones that are failing. The driver work in most situations, but there are problems when too many VMs trying to use sound.


Intel does not warrant or assume responsibility for the accuracy or completeness of any information, text, graphics, links or other items contained within the Software. BTW did you try the Debug switch?

Download Realtek* AC97 Audio Driver for Desktop Boards

I don’t want to criticize the way you are programming. I decided to backoff to VBox V4.

Does it require the record capabilities when just the play capabilities are needed? Note that your submission may not appear immediately on our site. On Thu, Aug 20, at 9: The following is contents from the Virtualbox User Manual I have at my disposal regarding the customizable Audio Selection options: I don’t know how to proceed with the following recommendation: On Thu, Aug 27, at 3: Off priority 0, available: Why did you need to restrict this bug to Win64 guest when closing it?

Cons I cannot believe that CNET, of all companies, allowed spyware to be downloaded onto my computer along with this driver. See TracTickets for help on using tickets. Sexually explicit or offensive language.

Realtek* AC97 Audio Driver for Desktop Boards

And then eventually a close calls needs to come in. AC’97 Digital Controller – is an independent module and varies in features and implementation from vendor to vendor.


The sound also works in a bit installation of Linux in the VM image which works without ca97, from within VirtualBox or within VirtualPC and on the same hardware machine. And they’ell be also able to uninstall the “physical” devices from their guest OS by turning off the emulation when unchecking the associated emulations offered by VBOX in its configuration panel.

Are you expecting me to issue one or a series of these commands or is there another location where a verbose log is kept other than what I supplied? However there is nothing coming out of the speakers. Gianfranco Costamagna costamagnagianfranco wrote on Giving 8280 these short segments of details without specific instructions is causing me to give up on pursuing this issue as not being able to be fixed because it is taking too long to get you sufficient documentation to work the issue.

AC’97 (Audio Codec ’97) Audio Device Driver for Plan 9

This bit allows the surround, center, and LFE volume control registers and output attenuators to operate in a more functional mode than defined by the AC97 2. According to PnP databases on the web, it is the identifier that should be used to identify: Comment on this change optional. Intel may terminate this Agreement at any time if you 828001 its terms.