diff --git a/plugins/GSdx/GLState.cpp b/plugins/GSdx/GLState.cpp
index 88fbb80b35..79786539d4 100644
--- a/plugins/GSdx/GLState.cpp
+++ b/plugins/GSdx/GLState.cpp
@@ -57,7 +57,7 @@ namespace GLState {
 	GLuint program;
 	GLuint pipeline;
 
-	uint64 available_vram;
+	int64 available_vram;
 
 	void Clear() {
 		fbo = 0;
diff --git a/plugins/GSdx/GLState.h b/plugins/GSdx/GLState.h
index 69e60c342d..2f55635ae3 100644
--- a/plugins/GSdx/GLState.h
+++ b/plugins/GSdx/GLState.h
@@ -59,7 +59,7 @@ namespace GLState {
 	extern GLuint program;
 	extern GLuint pipeline;
 
-	extern uint64 available_vram;
+	extern int64 available_vram;
 
 	extern void Clear();
 }
diff --git a/plugins/GSdx/GSDeviceOGL.cpp b/plugins/GSdx/GSDeviceOGL.cpp
index c31b8855e0..4f904cc948 100644
--- a/plugins/GSdx/GSDeviceOGL.cpp
+++ b/plugins/GSdx/GSDeviceOGL.cpp
@@ -499,17 +499,23 @@ bool GSDeviceOGL::Create(GSWnd* wnd)
 	// ****************************************************************
 	GLint vram[4] = {0};
 	if (GLLoader::fglrx_buggy_driver) {
+		// Full vram, remove a small margin for others buffer
 		glGetIntegerv(GL_TEXTURE_FREE_MEMORY_ATI, vram);
+		if (vram[0] > 200000)
+			vram[0] -= 128 * 1024;
+
 	} else if (GLLoader::found_GL_NVX_gpu_memory_info) {
+		// GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX <= give full memory
+		// Available vram
 		glGetIntegerv(GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, vram);
 	} else {
 		fprintf(stdout, "No extenstion supported to get available memory. Use default value !\n");
 	}
 
-	if (vram[0] > 200000)
-		GLState::available_vram = (uint64)(vram[0] - 200000) * 1024ul;
+	if (vram[0] > 0)
+		GLState::available_vram = (int64)(vram[0]) * 1024ul;
 
-	fprintf(stdout, "Available VRAM:%lluMB\n", GLState::available_vram >> 20u);
+	fprintf(stdout, "Available VRAM:%lldMB\n", GLState::available_vram >> 20u);
 
 	// ****************************************************************
 	// Finish window setup and backbuffer
diff --git a/plugins/GSdx/GSTextureOGL.cpp b/plugins/GSdx/GSTextureOGL.cpp
index 43d59afb11..fccef04199 100644
--- a/plugins/GSdx/GSTextureOGL.cpp
+++ b/plugins/GSdx/GSTextureOGL.cpp
@@ -239,10 +239,12 @@ GSTextureOGL::GSTextureOGL(int type, int w, int h, int format, GLuint fbo_read)
 	}
 
 	m_mem_usage = (m_size.x * m_size.y) << m_int_shift;
-	if (m_mem_usage > GLState::available_vram) {
-		throw GSDXErrorOOM(); // Still time to do a prayer !
-	} else {
-		GLState::available_vram -= m_mem_usage;
+
+	static int every_16 = 0;
+	GLState::available_vram -= m_mem_usage;
+	if ((GLState::available_vram < 0) && (every_16 % 16 == 0)) {
+		fprintf(stderr, "Available VRAM is very low, a crash is expected ! Disable Larger framebuffer or reduce upscaling!");
+		every_16++;
 	}
 
 	// Generate & Allocate the buffer