[Bug 419182] Re: KVM and audio driver in Windows 7

[Johannes Rudolph]

What I found out is: there's no x64 driver for both AC'97 and ES1370 for
Windows. 64bit Chipsets would have no AC'97, so there is only the
Realtek driver which doesn't work well. And ES1370 is a very, very old
audio chip which is probably only supported for legacy reasons but only
in the 32bit versions of Windows. In the link from comment #4, the 32bit
version of Windows was used.

See http://www.virtualbox.org/ticket/5332 which is essentially the same
problem for VirtualBox.

Can you confirm that Windows Update finds drivers for x32 but not for
x64 versions of Windows?

** Bug watch added: Virtualbox Trac #5332
   http://www.virtualbox.org/ticket/5332

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KVM and audio driver in Windows 7
https://bugs.launchpad.net/bugs/419182
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