doc: remove old references to NVidia cards.

doc/GPU

@@ -47,7 +47,7 @@ BUILDING FOR GPU SUPPORT:
 	Install AMD APP sdk, ideal version (see FAQ!) - no official place to
 	install it so just keep track of where it is if you're not installing
 	the include files and library files into the system directory.
-	(Do NOT install the ati amd sdk if you are on nvidia.)
+
 	To build with GPU monitoring & clocking support:
 	Extract the AMD ADL SDK, latest version - there is also no official
 	place for these files. Copy all the *.h files in the "include"
@@ -416,12 +416,11 @@ A: If you can install both drivers successfully (easier on windows) then
 yes, using the --gpu-platform option.
 
 Q: Can I mine with Nvidia or Intel GPUs?
-A: Yes but their hashrate is very poor and likely you'll be using much more
-energy than you'll be earning in coins.
+A: No. Those have separate dedicated software.
 
 Q: Can I mine on both Nvidia and AMD GPUs at the same time?
-A: No, you must run one instance of sgminer with the --gpu-platform option for
-each.
+A: You must run one instance of sgminer with the --gpu-platform option for
+AMD cards, and other software with similar flags for non-AMD cards.
 
 Q: Can I mine on Linux without running Xorg?
 A: With Nvidia you can, but with AMD you cannot.
@@ -500,9 +499,8 @@ A: It only disables GPUs if you enable the --auto-gpu option. If you don't give
 it parameters for engine clock it will not adjust engine clocks with this
 option.
 
-Q: Can I use the open source radeon driver for AMD GPUs or the nouveau driver
-for NVIDIA GPUs?
-A: None of them currently support OpenCL, so no you cannot.
+Q: Can I use the open source radeon driver for AMD GPUs?
+A: It is not yet supported.
 
 ---
 

doc/MINING.md

@@ -77,10 +77,9 @@ SUMMARY: Setting this for reasonable hashrates is mandatory.
 is an option where you tell sgminer how many shaders your GPU has. This
 helps sgminer try to choose some meaningful baseline parameters. Use
 this table below to determine how many shaders your GPU has, and note
-that there are some variants of these cards, and nvidia shaders are
-much much lower and virtually pointless trying to mine on. If this is
-not set, sgminer will query the device for how much memory it supports
-and will try to set a value based on that.
+that there are some variants of these cards. If this is not set, sgminer
+will query the device for how much memory it supports and will try to
+set a value based on that.
 
 SUMMARY: This will get you started but fine tuning for optimal
 performance is required. Using --thread-concurrency is recommended

doc/windows-build.txt

@@ -72,7 +72,6 @@ when unzipped.
 **************************************************************************************
 * Install AMD APP SDK, latest version (only if you want GPU mining)                  *
 **************************************************************************************
-Note: You do not need to install the AMD APP SDK if you are only using Nvidia GPU's
 Go to this url for the latest AMD APP SDK:
  http://developer.amd.com/tools/heterogeneous-computing/amd-accelerated-parallel-processing-app-sdk/downloads/
 Go to this url for legacy AMD APP SDK's:
@@ -87,7 +86,6 @@ Note2: If you update your APP SDK later you might want to recopy the above files
 **************************************************************************************
 * Install AMD ADL SDK, latest version (only if you want GPU monitoring)              *
 **************************************************************************************
-Note: You do not need to install the AMD ADL SDK if you are only using Nvidia GPU's
 Go to this url ==> http://developer.amd.com/tools/graphics-development/display-library-adl-sdk/
 Download and unzip the file you downloaded.
 Pull adl_defines.h, adl_sdk.h, and adl_structures.h out of the include folder