>Host XP Pro
>Guest Vista Ultimate
>Microsoft Virtual PC 2007
>
>There is no sound in the Vista VM.
>
>(Actually, there is no sound in the second Vista VM(Vista2), created from
>the same local .iso as the first Vista VM(Vista1) which does have sound.)
>
>I have the driver files from the first Vista VM where sound is working:
>
>VIRTUALAUDIO .sys
>drmk .sys
>portcls .sys
>
>Or so they are according to Device Manager of vista1 and I have copied
>them to the shared folder common to both machines. However, I do not have
>the install package.
>
>Vista went to the internet could not find the install package but said to
>reload VM Additions .iso. No joy there.
>
>Vista2 Device Manager does not have an entry for "Sounds, Video and
>Games". Vista1 does, which is how i tracked down the .sys files.
>
>FWIW,
>Vista2 Device Manager/Display Adapters has a single entry of
> "VM Additions S3 Trio 32/64".
>Vista2 was installed with hard disks 0 and 1. Vista1 was a single HD.
>Vista2 OS was installed on HD 0.
>Vista2 HD 0 is less than half full
>Vista2 HD 1 is empty except for housekeeping files (Recycle and System
> info)
>
>
>Problem re-statement: No sound capabilities in Vista Ultimate under
>Microsoft Virtual PC 2007.
>(referred to as vista2, above)
>
>
>FACE

>Uninstall the additions and then reinstall them. Also make sure that
>the VM is defined as for Vista when you create the VM, that's the only
>way the Vista sound filter driver gets enabled.

>Hopefully, that explains the
>difference between the two.....

> You're welcome, It should.
>
> --
> Bob Comer
>
>
> On Sun, 03 Aug 2008 17:15:45 -0400, FACE <(email address - cut out)>
> wrote:
>
> >Hopefully, that explains the
> >difference between the two.....
>

>Forgive me for "tailgating" on this thread, but I've got a possibly related
>problem running both Vista SP1 and WinXP SP3 guests under VPC 2007 SP1. I
>defined these machines using "Other" because I figured that was necessary in
>order to be able to designate greater memory for the VMs. I got sound on both
>VMs, but it was REALLY lousy sound, stuttering like crazy.

> On Fri, 8 Aug 2008 10:59:02 -0700, LeftFoot
> <(email address - cut out)> wrote:
>
> >Forgive me for "tailgating" on this thread, but I've got a possibly related
> >problem running both Vista SP1 and WinXP SP3 guests under VPC 2007 SP1. I
> >defined these machines using "Other" because I figured that was necessary in
> >order to be able to designate greater memory for the VMs. I got sound on both
> >VMs, but it was REALLY lousy sound, stuttering like crazy.
>
> The amount of memory shown is the recomended amount, you can increase
> or decrease as you like, with exception to Vista, which the New CP
> Wizard requires 512MB.
>
> That kind of performance is usually related to the CPU. Since the
> sound card is emulated its performance is directly related to the
> power/performance of the host PC. CPU, memory, disk usage and
> performance will determine how well the sound is. If you're running
> multiple VMs, you're probably going to have stuttering, even with a
> very fast multicore CPU. A single VM running with a decent amount of
> RAM on a parsely utilized CPU should give you decent should...assuming
> you're not starving the host PC for RAM.
>
> I've run videos in a VM with no sound stuttering. Host PC is Vista
> Ultimate x64, 8GB, qx9650 and x6800 cpus.
>
> If you have another VM using a lot of CPU, you'll take a hit. All VMs
> in VPC use one CPU/core.
>
> --
> Cheers,
> Steve Jain, Virtual Machine MVP
> http://vpc.essjae.com/
> I do not work for Microsoft.
>

>Many thanks for your response, Steve.
>
>This is a 2.13 GHz Pentium M (Centrino) notebook computer. It has 2 GB RAM.
>I'm giving 768 MB RAM for the Vista SP1 guest's memory, 512 MB RAM for the
>WinXP SP3 guest's memory. I only run one of them at a time. The stuttering on
>either VM makes the sound absolutely unusable. Can't even play the logon
>sound properly.
>
>I run VPC 2007 SP1 on a 1.5 GB P4 desktop system (much older) using WinXP
>for host and guest, and get no stuttering.
>
>I'm wondering if there just may be a problem with the sound subsystem /
>driver for this notebook. It's a SigmaTel C-Major Audio subsystem. Dell
>hasn't issued any Vista drivers for this notebook (Precision M70), but
>everything (except the Alps touchpad) was recognized by the Vista driver
>database.
>

> On Fri, 8 Aug 2008 12:17:00 -0700, LeftFoot
> <(email address - cut out)> wrote:
>
> >Many thanks for your response, Steve.
> >
> >This is a 2.13 GHz Pentium M (Centrino) notebook computer. It has 2 GB RAM.
> >I'm giving 768 MB RAM for the Vista SP1 guest's memory, 512 MB RAM for the
> >WinXP SP3 guest's memory. I only run one of them at a time. The stuttering on
> >either VM makes the sound absolutely unusable. Can't even play the logon
> >sound properly.
> >
> >I run VPC 2007 SP1 on a 1.5 GB P4 desktop system (much older) using WinXP
> >for host and guest, and get no stuttering.
> >
> >I'm wondering if there just may be a problem with the sound subsystem /
> >driver for this notebook. It's a SigmaTel C-Major Audio subsystem. Dell
> >hasn't issued any Vista drivers for this notebook (Precision M70), but
> >everything (except the Alps touchpad) was recognized by the Vista driver
> >database.
> >
>
> With a laptop CPU it will be harder to get good sound. Are you running
> at maximum performance,minimal power management or whatever the
> setting is on your system?
> Also, if you've got your VM on the same hard drive as your host OS
> this will cause some definite performance problems, especially if
> you're running a 4200 or 5400rpm notebook drive.
>
> --
> Cheers,
> Steve Jain, Virtual Machine MVP
> http://vpc.essjae.com/
> I do not work for Microsoft.
>

> On Fri, 8 Aug 2008 13:39:07 -0700, LeftFoot
> <(email address - cut out)> wrote:
>
> >Thanks for the additional thoughts.
> >
> >I've already set Power Management up for Presentation mode, so that
> >shouldn't be an issue. In addition I also already have the virtual machine
> >hard drives on a separate spindle (modular bay).
> >
> >I'm thinking I've probably got this optimized about as much as I can. About
> >all I can do is to create the virtual machines again just as an experiment.
> >But I don't hold out much hope that this will help.
> >
>
> Then do the following:
> 1) Uninstall the VMAdditions *before* you start the new cycle
> 2) Shut down the guest
> 3) Delete the vmc file for the guest
> 4) Create a new guest in the same directory using the Wizard and
> specify the guest as a Vista machine
> 5) Point it to the already existing vhd file when asked for the disk
> 6) Boot up the guest
> 7) Now in the Vista guest install the VMAdditions normally
>
> My guess is that you will have good sound now because the VMAdditions
> will have brought along a better sound system since it "knows" that
> the machine is a Vista machine and the Wizard has likewise provided
> the needed hardware since you specified it to be optimized for Vista.
>
>
> --
> Bo Berglund
>

> On Fri, 8 Aug 2008 10:59:02 -0700, in microsoft.public.virtualpc,
> LeftFoot <(email address - cut out)>, wrote
>
> >Forgive me for "tailgating" on this thread, but I've got a possibly related
> >problem running both Vista SP1 and WinXP SP3 guests under VPC 2007 SP1. I
> >defined these machines using "Other" because I figured that was necessary in
> >order to be able to designate greater memory for the VMs. I got sound on both
> >VMs, but it was REALLY lousy sound, stuttering like crazy.
> >
> >If I delete the respective .vmc files for these two guests and create new
> >ones using WinXP and Vista designations during creation, then use the same
> >.vhd files as before, could this fix my sound problem.
> >
> >Host is Vista SP1.
> >
> >Thanks for any help you can provide me.
>
> I can only provide experience. I have done the delete/remake you
> contemplate on Windows products other than vista without problem.
>
> I tried it with Vista and......
> -- ran into a problem with post-uninstall vm additions problem with
> internet explorer which i found (as in read) was a known vista-specific
> problem..
> -- ran into major problems when I remade the vista .vmc as a 'Vista' VM
> rather than the original "other" that I had designated it.
> Anyway, I said the heck with trying to 'fix' the one I had, deleted it,
> made a new .vmc AND .vhds (C & D) and reinstalled as vista and modified
> RAM via settings of the non-running machine, booted, installed VM
> Additions, rebooted, and had sound -- smooth sound.
>
> (I also found (as in read) that VM additions has a 'special' vista sound
> fix, which explained why, when designated as 'other' and vm additions were
> made, it still had no sound.)
>
> [Have i mentioned that Vista is cursed? ;-) ]
>
> FACE
>
> >
> >"Robert Comer" wrote:
> >
> >> You're welcome, It should.
> >>
> >> --
> >> Bob Comer
> >>
> >>
> >> On Sun, 03 Aug 2008 17:15:45 -0400, FACE <(email address - cut out)>
> >> wrote:
> >>
> >> >Hopefully, that explains the
> >> >difference between the two.....
> >>
>
>

>Forgive me for "tailgating" on this thread, but I've got a possibly related
>problem running both Vista SP1 and WinXP SP3 guests under VPC 2007 SP1. I
>defined these machines using "Other" because I figured that was necessary in
>order to be able to designate greater memory for the VMs. I got sound on both
>VMs, but it was REALLY lousy sound, stuttering like crazy.
>
>If I delete the respective .vmc files for these two guests and create new
>ones using WinXP and Vista designations during creation, then use the same
>.vhd files as before, could this fix my sound problem.
>
>Host is Vista SP1.
>
>Thanks for any help you can provide me.
>
>"Robert Comer" wrote:
>
>> You're welcome, It should.
>>
>> --
>> Bob Comer
>>
>>
>> On Sun, 03 Aug 2008 17:15:45 -0400, FACE <(email address - cut out)>
>> wrote:
>>
>> >Hopefully, that explains the
>> >difference between the two.....
>>

>Thanks for the additional thoughts.
>
>I've already set Power Management up for Presentation mode, so that
>shouldn't be an issue. In addition I also already have the virtual machine
>hard drives on a separate spindle (modular bay).
>
>I'm thinking I've probably got this optimized about as much as I can. About
>all I can do is to create the virtual machines again just as an experiment.
>But I don't hold out much hope that this will help.
>

> On Fri, 8 Aug 2008 13:39:07 -0700, LeftFoot
> <(email address - cut out)> wrote:
>
> >Thanks for the additional thoughts.
> >
> >I've already set Power Management up for Presentation mode, so that
> >shouldn't be an issue. In addition I also already have the virtual machine
> >hard drives on a separate spindle (modular bay).
> >
> >I'm thinking I've probably got this optimized about as much as I can. About
> >all I can do is to create the virtual machines again just as an experiment.
> >But I don't hold out much hope that this will help.
> >
>
> Then do the following:
> 1) Uninstall the VMAdditions *before* you start the new cycle
> 2) Shut down the guest
> 3) Delete the vmc file for the guest
> 4) Create a new guest in the same directory using the Wizard and
> specify the guest as a Vista machine
> 5) Point it to the already existing vhd file when asked for the disk
> 6) Boot up the guest
> 7) Now in the Vista guest install the VMAdditions normally
>
> My guess is that you will have good sound now because the VMAdditions
> will have brought along a better sound system since it "knows" that
> the machine is a Vista machine and the Wizard has likewise provided
> the needed hardware since you specified it to be optimized for Vista.
>
>
> --
> Bo Berglund
>

> On Sat, 9 Aug 2008 07:46:00 -0700, LeftFoot
> <(email address - cut out)> wrote:
>
> >I gave this a try this morning. It didn't work, but I'm glad to have tried
> >just to be certain that this wasn't the issue.
> >
> >I did try an additional experiment with the WinXP guest. I removed VM
> >additions from it, removed it from VPC, deleted the .vmc file, then created
> >this machine using the Vista setting. (What could it hurt to try? I have
> >backups of everything.)
> >
> >The WinXP guest came up searching for drivers for a Multi-Media controller
> >(part of the SigmaTel hardware, but not all of it). I just let it fail. The
> >sound in the WinXP guest is almost normal, but it still stutters some. I
> >tried installing a WinXP driver for the hardware downloaded from Dell, but it
> >wouldn't have any of that. (Even though this is WinXP, the environment thinks
> >it's Vista?) So Device Manager shows the multi-media controller as being
> >disabled, but the sound is better.
> >
> >Go figure.
> >
>
> A VM doesn't have the same hardware as the host. All your VMs have a
> Soundblaster card, not the Sigmatel. Trying to install the Sigmatel
> drivers in a VM won't help, and may make things worse.
> The VM Additions have the best audio driver.
>
> --
> Cheers,
> Steve Jain, Virtual Machine MVP
> http://vpc.essjae.com/
> I do not work for Microsoft.
>