Legolash2o

Multimedia Class Scheduler

63 posts in this topic

Just have a theory... Because i have removed it and it doesn't affect my music whatever and there is also a performance increase when copying files (not using onboard) so i am just wondering if MCS is just needed for onboard. Thanks.

If you DO remove remove Multimedia Class Scheduler, does it affect your music and are you using onboard audio or not.

Edited by LegoLiam™
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Just have a theory... Because i have removed it and it doesn't affect my music whatever and there is also a performance increase when copying files (not using onboard) so i am just wondering if MCS is just needed for onboard. Thanks.

If you DO remove remove Multimedia Class Scheduler, does it affect your music and are you using onboard audio or not.

am on server 2008, i did not remove it, but i did disable the service to see the benefits, but the outcome was my creative (x-fi extreme music) sound service was also disabled automatically, so i enabled it again.

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Removed it with vlite. However, if you have it in vista, just disabling it will NOT be good enough. You have to remove the dependency with regedit.

I have tested with both onboard and with x-fi extreme gamer. I find it for my use, best to completely remove it.

It's like qos, just audio. Also latency of sound is improved imho. On a sidenote i also think x-fi isnt worth it if onboard is up to HD standards.

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ok, thanks for that info tranceEnergy, will remove it with vlite and its dependency, and see how it goes.

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ok, thanks for that info tranceEnergy, will remove it with vlite and its dependency, and see how it goes.

NP. I'm interested in hearing your findings with server 2008. I havent tried that.Tho i do remove alot with vlite, so on services side, it should be quite similiar. I remove everything except network. Also you can get rid of needing WMP by using f.ex media connectivity plugin for firefox.

Which works absolutely perfect with VLC Portable. And i also use Portable Firefox. So All i have to do is to run program to set portable firefox as default browser and vlc portable as default media player. Also works great with GOM player, Mplayer For Windows, and heaps more, but those i have tried and works perfectly. *Including* streaming media. But of course, be prepared to do some configurations. Maxthon is easy as it uses the IE core, so if all else fails.. While im at it, have you tried comparing 2d gfx performance in 2008? Use PerformanceTest program. 2003 was 50% faster on xp on that test here.

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ok, thanks for that info tranceEnergy, will remove it with vlite and its dependency, and see how it goes.

NP. I'm interested in hearing your findings with server 2008. I havent tried that.Tho i do remove alot with vlite, so on services side, it should be quite similiar. I remove everything except network. Also you can get rid of needing WMP by using f.ex media connectivity plugin for firefox.

Which works absolutely perfect with VLC Portable. And i also use Portable Firefox. So All i have to do is to run program to set portable firefox as default browser and vlc portable as default media player. Also works great with GOM player, Mplayer For Windows, and heaps more, but those i have tried and works perfectly. *Including* streaming media. But of course, be prepared to do some configurations. Maxthon is easy as it uses the IE core, so if all else fails.. While im at it, have you tried comparing 2d gfx performance in 2008? Use PerformanceTest program. 2003 was 50% faster on xp on that test here.

I think ur going off topic lol :P

@shahed26, i've also got an X-FI XtremeMusic.

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ok guys here are my results. removed "Multimedia Class Scheduler" from server 2008 x64 dvd iso with vlite v1.6 final. the outcome was no problem with audio at all. video clips played normal, live tv (tv tuner card) also played live videos without and problems.

anyways, seriously what are the benefits or removing this? will this affect any games if i was to play games on server 2008? had no time to test a game with "Multimedia Class Scheduler" removed. but hopefully it should be fine.

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i have removed it and it doesn't affect my music whatever and there is also a performance increase when copying files (not using onboard) so i am just wondering if MCS is just needed for onboard. Thanks.

how did you test your file copying performance increase? does it really speed up file copying? does it improve performance overall of systems..

Edited by shahed26
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Did a new Win2008 install with it removed (and a few other things as well).

No problems so far - if anything, it feels snappier B)

Forgot to mention, I also have an X-Fi Extreme Music Pci-E.

Edited by Petrarca
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Hm...seems like you are right. I plugged in Emu1212m and it really does not crackle with MCS removed.

I was using onboard digital out when it does help to keep that component.

Well, one less :)

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how did you test your file copying performance increase? does it really speed up file copying? does it improve performance overall of systems..

According to several websites on Google it mostly affects network copying speed. My normal copying (HDD to HDD) has speeded up a bit too. But the speeds would only of been affected if you have music/video playing while copying a file.

http://courtneymalone.com/2007/08/28/a-not...-network-speed/

http://blogs.technet.com/markrussinovich/a...27/1833290.aspx

http://www.thebits.info/windows/vista-mcs-56.htm

apprently IPv6 also slows down network copying too.

Hm...seems like you are right. I plugged in Emu1212m and it really does not crackle with MCS removed.

I was using onboard digital out when it does help to keep that component.

Well, one less :)

So your saying you onboard digital out crackles without MCS?

Edited by LegoLiam™
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I must keep MMCS or sound hangs under higher cpu load. I'm using a onbaord Via Soundchip.

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LegoLiam™, yup, as MagicAndre1981 noted as well.

My onboard is Realtek.

Edited by nuhi
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LegoLiam™, yup, as MagicAndre1981 noted as well.

My onboard is Realtek.

I had trouble with both Realtek and Nvidia SoundStorm onboard sound. Running an Audigy now; I would think it might be immune from the associated cracking-popping-ticking sound w/o Multimedia Sched

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Seems that my theory is correct, it only affects onboard sound if its removed :P

Anyone agree?

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Seems that my theory is correct, it only affects onboard sound if its removed :P

Anyone agree?

Yes, looks like it.

The info in vLite should be updated saying that removing mcs only affects onboard sound.

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Seems that my theory is correct, it only affects onboard sound if its removed :P

I've also tried it with my old Creative Soundblaster Live! and it also happend with this PCI card.

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maybe with just modern cards it can be removed then? lol

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perhaps. But for me I have to keep it.

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Please note, if you also remove dependency for the windows audio endpoint service, you can stop it and disable it as well.

Audio will still work! The less services required for vista to run properly, the better imho.

I just tested windows sounds themes, and sound themes works ok apparently.

Cool? Perhaps this info could be added to post #1.

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Please note, if you also remove dependency for the windows audio endpoint service, you can stop it and disable it as well.

Audio will still work! The less services required for vista to run properly, the better imho.

I just tested windows sounds themes, and sound themes works ok apparently.

Cool? Perhaps this info could be added to post #1.

Sounds good B)

How do you remove the dependencies?

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Please note, if you also remove dependency for the windows audio endpoint service, you can stop it and disable it as well.

Audio will still work! The less services required for vista to run properly, the better imho.

I just tested windows sounds themes, and sound themes works ok apparently.

Cool? Perhaps this info could be added to post #1.

Sounds good B)

How do you remove the dependencies?

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\AudioSrv

note:

From there, select DependOnService, and remove dependencies there. NB: First STOP services, (audio service will stop too, as it thinks currently it needs mmcs and wapb, but once dependencies are removed it will happily start without them)then set them to disabled or manual, before removing dependencies. I have only tested some games and windows sound themes. Vista runs without these two services just fine!! How's that for bloat? =)) There are lots more thats safe to remove on dependencies, but trying to stay on topic =)

It should look like this after removing both (notice that there is a EMPTY line after the Rpcss service, i dont know if u need to have it, but it's there on default so..) If someone would like to do some benching on before and after, that would be cool.

post-91607-1211150703_thumb.gif

Edited by TranceEnergy
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HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\AudioSrv

note:

From there, select DependOnService, and remove dependencies there. NB: First STOP services, (audio service will stop too, as it thinks currently it needs mmcs and wapb, but once dependencies are removed it will happily start without them)then set them to disabled or manual, before removing dependencies. I have only tested some games and windows sound themes. Vista runs without these two services just fine!! How's that for bloat? =)) There are lots more thats safe to remove on dependencies, but trying to stay on topic =)

It should look like this after removing both (notice that there is a EMPTY line after the Rpcss service, i dont know if u need to have it, but it's there on default so..) If someone would like to do some benching on before and after, that would be cool.

I just tested this, everything works great, music, spdif out and so on. No problems what so ever.

Would you mind pming or posting a link or something for more info about those other dependencies that's safe to remove :)

I'm getting really interested here :)

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Depending on what you want or need for vista to function, you can get it down a lot.

I'm currently in a Vista ultimate x64 sp1 msdn version, everything integrated from dreamscene to sound themes to bitlocker. Runs at a cool 20 processes, and everything is *enabled*, i havent removed sh*t, everything is there. So if there ever will come that i should need such services, i still have them =) As far as finding what services u can safely remove dependencies etc, i think u are on your own. I have made 4-6 network services disabled safely, and can still surf lan and internet. Good sites to read on what services are doing in windows, i mostly think eldergeek.com first and blackviper second. But mostly i just use the info displayed in the msc console itself, ie services.msc. Now maybe i should do a backup before i tweak it too much =) Oh and get rid of the bloody keyboard layouts. Took half a second off here =)

11+ ppl saying no in the poll. Apparently the red warning in vlite scares people =) Not good..

Edited by TranceEnergy
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TranceEnergy, and you will just ignore what MagicAndre1981 and I said, that it is needed for onboard. There is more people using onboard than dedicated cards. Updating description is maximum I can do for this dangerous component. Vista does not have direct hardware access to the soundcard but Creative has it's own bloated driver that solves that latency issue.

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