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Samsung NP355V4C
Introduction
This is laptop with 14” screen and AMD A10 Trinity chip. The one of main features of this laptop is two graphics cards: AMD Radeon HD 7660G (integrated) and AMD Radeon HD 7670M (discrete).
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Specifications
For full specifications see the Samsung NP355V4C specifications page.
| Name | Samsung NP355V4C |
| Processor | AMD Quad-Core A10-4600M Accelerated Processor |
| Screen | 14” 1366×768 Widescreen |
| RAM | Up to 8GB (i am not shure about this) |
| HDD | Up to 1TB (the same) |
| Optical Drive | DVD+-RW |
| Graphics | AMD Radeon Dual Graphics ( 7660G and 7670M) |
| Network | 10/100/1000 Ethernet Atheros 802.11 bg/n |
Linux Compatibility
| Device | Compatibility | Comments |
|---|---|---|
| Processor | Fully compatible | |
| Screen | Works | |
| HDD | Works | |
| Optical Drive | Works | |
| Graphics Chip | Works | Full support with switch ability |
| VGA Out | Works | |
| HDMI Out | Not Tested | |
| Sound | Works | |
| Bulti-in Microphone | Works | |
| Headphone Jack | Works | |
| Microphone Jack | Not Tested | |
| Ethernet | Works | Need proprietary firmware |
| Wireless | Works | |
| Bluetooth | Works | |
| USB | Works | |
| Card Reader | Works | |
| Webcam | Works | |
| Touch Pad | Works | |
| Suspend/Resume | Works |
Notes
There is some difficulties with GNU/Linux installation at some distributions. I tested this notebook with Debian GNU/Linux Sid. The official images dont provide installer with proprietary firmwares for network devices so ethernet will not work without non-free repository. Other distributions probably has no this trouble. But installation problems of Debian GNU/Linux may be solved by using unofficial netinstaller with firmwares: http://cdimage.debian.org/cdimage/unofficial/non-free/cd-including-firmware/
The other trouble with installation is a pre-installed Windows 7 with Samsung utilites. In order to get a rid from this troubles need to turn off every boot accelerators (both in UEFI system setup and in samsung Easy tools at Windows 7). Only after these actions this notebook able to boot from USB drive.
Today only fglrx (AMD Catalyst) driver works perfect. In case of Debian GNU/Linux this driver can be installed from non-free repository.
Probably this notebook has IOMMU support. This means second graphics card can be used inside vitrual machine like XEN and KVM in guest OS with direct access. But this feature should be checked - its just my thought.
Summary
Great notebook for low price with good compatibility with GNU/Linux.
Thanks to AMD we've got good graphic drivers with basic support of hybrid graphics and FOSS-drivers should come soon. At the same time nvidia users eats the cactuses named “nvidia optimus” without drivers. So dont buy from nvidia - enemy of your freedom 
Also this is a good machine for GNU/Linux gaming. AMD A10 CPU should be good for Dwarf Fortrees. ;)
Discussion
Installed arch. Fglrx is not work, but vesa is enough to display X.
Before, used Mint 13. All works fine (include bluetooth, card reader, suspend, hdmi), but with floating issues (suspend troubles, microphone does not work well). In order to be more costumazible and to get more control of the system, intall arch. Does not works much out the box. But, by the linux way have to tune one myself.
But one thing. Once upon a time 4 GB disappeared. Only one bank of memory are initialized. Syslinux see bank0 with 4 GB, but did not initialize one.