Looking at a Samsung Series 7 laptop.. Anyone know if Ubuntu supports AMD Radeon HD 6490M or 6750M?
The question is not if Ubuntu supports your hardware or not, it is more if your hardware builder has made any drivers for your hardware to be usable in Linux.
The Radeon HD 6750 is officially supported by ATI's Catalyst drivers and the
The Radeon HD 6750M will work even tough you will find your self with a watermark on the right bottom corner of the screen saying your hardware is not supported. That can be fixed following some simple steps.
The Radeon HD 6490 or the 6490M are not officially supported by ATI's Catalyst drivers but the open source
You can easily toogle between the open source
Yes and you have 3 main options for the ATI video cards under Ubuntu:
for references and documentations you can follow this link http://wiki.cchtml.com/index.php/Main_Page
[EDIT BELOW, it works!] Short note to say that I never got my Chronos 7 working with fglrx drivers. I've tried Oneiric and Precise, with catalyst 11.2 and more recently 12.1. Currently I have the drivers installed, but I have to delete my xorg.conf in order to get a desktop, which dumps me to a Unity-2d session. My driver, according to my system settings, is blank, which I presume means that I'm on Intel.
If I uninstall the drivers, I get a Unity 3D session using the Intel driver, but then the ATI card runs at full speed constantly, driving the fans at full speed.
Other issues - no control over the backlit keyboard (it's always on), screens brightness resets to full on startup, ignoring your choice/amendments in the display settings and finally, as it's a buttonless trackpad, you'll need to make some tweaks (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/582809) in order to get it working. It's also incredibly insensitive, so you'll have to tweak it again with
every login to make it usable without pressing the full pad of your finger in order to move the mouse.
Suspend/resume, WIFI, sound and 1600x900 resolution, however, all work fine.
This laptop is NOT a good choice for Ubuntu. Unity-2d is startlingly poor - no customisation options, so you'll get the whole "FisherPrice" experience - but necessary unless you can put up with the noise of the fans blasting full time.
I did eventually get this laptop working reasonably well. FGLRX did install in the end. Despite the multi-arch status of Precise, I ended up doing a
So, what's wrong now? The trackpad still needs the synclient changes and doesn't support click-n-drag although two-finger scrolling is good, as is two-finger tap for right-click. The keyboard backlight is always on and unconfigurable. The brightness of the screen will often reset on boot up to full power. There was also an issue with Pulseaudio, but I think that will be resolved now - certainly the fix on that bug report got me working, as you can see on comment 24.
So conversely then, it's fast, quiet (unless you're playing a game), high resolution, light (for its size), and the battery lasts around 4 hours with light usage (mid-brightness, WIFI on, Bluetooth on, web browsing mainly).
In summary, it's hard work, but a cracking laptop once you get it working. And perhaps the finished 12.04 will work around some of these issues generally.