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Steam Universe Steam U
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jvert Jan 20, 2014 @ 3:52pm
Beta SteamOS ISO now available for testing
I just posted a SteamOS ISO that can be used to install SteamOS on non-UEFI systems. Thanks to directhex and ecliptik for their work on Ye Olde SteamOSe[github.com] - this incorporates many of their changes. Dual-boot and custom partitioning are now possible from the "Expert Install" option.

PLEASE note there has been very little testing on this, especially any kind of dual-boot setup. So don't install it on any machine you are not prepared to lose.

If you have any problems, please post on this discussion or open an issue on the SteamOS github.[github.com]
Last edited by jvert; Jan 20, 2014 @ 3:53pm
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Showing 1-15 of 335 comments
Jamielinux Jan 20, 2014 @ 4:15pm 
thanks for this.
Henry J.P Jan 20, 2014 @ 5:23pm 
thanks might test this
King Dude Jan 20, 2014 @ 6:02pm 
Oh sweet. A lot of people will be stoked for this.
ViRUS Jan 20, 2014 @ 6:45pm 
Originally posted by TIK Unicum Exterminans:
Thanks, but I need Windows in some cases. Waiting for dual boot partitioning option

Originally posted by jvert:
Dual-boot and custom partitioning are now possible from the "Expert Install" option.

Reading has taken humanity so far :p
Therapist Jan 20, 2014 @ 9:09pm 
This was posted right about the time I did the reddit method to install steamos on my non uefi laptop...
orlandothomas1 Jan 20, 2014 @ 9:31pm 
can i use deb repo this version of steamos...
Sentient68k Jan 20, 2014 @ 10:30pm 
I should give this a try this week. I kept trying to get SteamOS on a PC I cobbled together with a few spare parts and some new ones (including a mobo that seems to support UEFI but god knows how to actually use it). Eventually I got fed up and just threw Xubuntu on there with Steam in big picture mode but this sounds promising.
Jack Jan 20, 2014 @ 11:43pm 
Can you install and use old AMD yet?

Originally posted by orlandothomas1:
can i use deb repo this version of steamos...
You can use that in any version. You need to add the repos to the /etc/apt/sources.list, and then to ensure you use the steam versions you need to make a /etc/apt/preferences file which has the alchemist repo pinned highest, i.e. 1000
Yashka.I.Am Jan 21, 2014 @ 12:17am 
Thanks;)
Cheeseness Jan 21, 2014 @ 4:16am 
Great work, directhex and ecliptik!
directhex Jan 21, 2014 @ 4:40am 
A summary of the differences, for the curious:

  • Valve has removed a pointless second copy of the package manifest. Good, we only ever kept it because Valve did
  • Valve doesn't include the package contents manifests. These aren't useful for 99% of people anyway
  • Valve doesn't include all the firmware ever. In Ye Olde SteamOSe, we added every bit of device firmware possibly used by end users. Valve does not include all of them (they already included a couple, e.g. for Realtek networking)
  • Valve has rolled in some recent Debian security updates, e.g. to apt-get and curl
  • Valve includes all the 32-bit stuff there is. In Ye Olde SteamOSe, we strip out most 32-bit packages which are not used. Valve includes them all, so has a bigger ISO
  • Valve includes the 32-bit version of the installer - no 32-bit kernel though, so not usable on 32-bit-only computers.
  • Valve does not include support for LVM or mdraid
  • Valve includes an installer which runs from Windows. I don't know what functionality it allows or prevents compared to booting the installer directly
  • Valve doesn't contain Ye Olde SteamOSe's audio hacks - it still only works properly on Brix or Prototype
  • Valve has killed the old "expert" mode - Ye Olde SteamOSe's "Power User" mode is included instead, relabelled as Expert. YOS still includes both Power User and the old-style Expert modes
  • Valve doesn't allow NTFS resizing ( https://github.com/ValveSoftware/SteamOS/issues/88 )
  • Valve doesn't include VirtualBox guest additions. But no big loss, given VirtualBox is shit.

The headline features pulled in by Valve are:
  • Non-EFI support
  • DVD install support
  • Partitioner in Power User/Expert mode
  • Dual boot in Power User/Expert mode
  • Supports recovery etc if you use a custom layout as long as it's still Valve-ish enough
Adi Jan 21, 2014 @ 7:42am 
Originally posted by directhex:
A summary of the differences, for the curious:

  • Valve has removed a pointless second copy of the package manifest. Good, we only ever kept it because Valve did
  • Valve doesn't include the package contents manifests. These aren't useful for 99% of people anyway
  • Valve doesn't include all the firmware ever. In Ye Olde SteamOSe, we added every bit of device firmware possibly used by end users. Valve does not include all of them (they already included a couple, e.g. for Realtek networking)
  • Valve has rolled in some recent Debian security updates, e.g. to apt-get and curl
  • Valve includes all the 32-bit stuff there is. In Ye Olde SteamOSe, we strip out most 32-bit packages which are not used. Valve includes them all, so has a bigger ISO
  • Valve includes the 32-bit version of the installer - no 32-bit kernel though, so not usable on 32-bit-only computers.
  • Valve does not include support for LVM or mdraid
  • Valve includes an installer which runs from Windows. I don't know what functionality it allows or prevents compared to booting the installer directly
  • Valve doesn't contain Ye Olde SteamOSe's audio hacks - it still only works properly on Brix or Prototype
  • Valve has killed the old "expert" mode - Ye Olde SteamOSe's "Power User" mode is included instead, relabelled as Expert. YOS still includes both Power User and the old-style Expert modes
  • Valve doesn't allow NTFS resizing ( https://github.com/ValveSoftware/SteamOS/issues/88 )
  • Valve doesn't include VirtualBox guest additions. But no big loss, given VirtualBox is shit.

The headline features pulled in by Valve are:
  • Non-EFI support
  • DVD install support
  • Partitioner in Power User/Expert mode
  • Dual boot in Power User/Expert mode
  • Supports recovery etc if you use a custom layout as long as it's still Valve-ish enough

Well, at least they appreciate your contribution. I personally do not use SteamOS(at least not now), so this does not concern me very much, but you still desrve thanks for helping others in need.
Last edited by Adi; Jan 21, 2014 @ 7:44am
Karma Police Jan 21, 2014 @ 8:03am 
Originally posted by Jack:
Can you install and use old AMD yet?
...

I would like to know this as well. I have a legacy radeon HD 4850, and would like to test steam os. I may be mistaken, but it seems the open source drivers work well enough. Are there any plans to include them?
|MIEZ|mo0n_sniper Jan 21, 2014 @ 8:20am 
Nice to see this kind of collaboration.
Congrats to everyone!
directhex Jan 21, 2014 @ 8:27am 
Originally posted by 42:
Originally posted by Jack:
Can you install and use old AMD yet?
...

I would like to know this as well. I have a legacy radeon HD 4850, and would like to test steam os. I may be mistaken, but it seems the open source drivers work well enough. Are there any plans to include them?

The installer will fail on any Radeon older than HD5000. Valve guys are aware of this, they (nor I) have a persistent & usable workaround yet
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