diff --git a/hw/vga_int.h b/hw/vga_int.h
index c1e700f..21047a5 100644
--- a/hw/vga_int.h
+++ b/hw/vga_int.h
@@ -34,8 +34,8 @@
 /* bochs VBE support */
 #define CONFIG_BOCHS_VBE

-#define VBE_DISPI_MAX_XRES              1600
-#define VBE_DISPI_MAX_YRES              1200
+#define VBE_DISPI_MAX_XRES              2560
+#define VBE_DISPI_MAX_YRES              1600
 #define VBE_DISPI_MAX_BPP               32

 #define VBE_DISPI_INDEX_ID              0x0
@@ -224,7 +224,7 @@ void vga_init_vbe(VGACommonState *s, MemoryRegion
*address_space);
 extern const uint8_t sr_mask[8];
 extern const uint8_t gr_mask[16];

-#define VGA_RAM_SIZE (8192 * 1024)
+#define VGA_RAM_SIZE (16 * 1024 * 1024)
 #define VGABIOS_FILENAME "vgabios.bin"
 #define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin"
