diff --git a/sys/dev/drm/drm_pciids.h b/sys/dev/drm/drm_pciids.h
index 32ae901b7384..fddf70a8735f 100644
--- a/sys/dev/drm/drm_pciids.h
+++ b/sys/dev/drm/drm_pciids.h
@@ -336,6 +336,8 @@
 	{0x1002, 0x944B, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP, "ATI Mobility Radeon HD 4850 X2"}, \
 	{0x1002, 0x945A, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP, "ATI Mobility Radeon HD 4870"}, \
 	{0x1002, 0x945B, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP, "ATI Mobility Radeon M98"}, \
+	{0x1002, 0x9460, CHIP_RV770|RADEON_NEW_MEMMAP, "ATI Radeon 4800 Series"}, \
+	{0x1002, 0x9462, CHIP_RV770|RADEON_NEW_MEMMAP, "ATI Radeon 4800 Series"}, \
 	{0x1002, 0x946A, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP, "ATI FirePro M7750"}, \
 	{0x1002, 0x946B, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP, "ATI M98"}, \
 	{0x1002, 0x947A, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP, "ATI M98"}, \