diff --git a/src/add-ons/accelerants/nvidia/engine/nv_acc.c b/src/add-ons/accelerants/nvidia/engine/nv_acc.c
index f24a69d94d..57ad83f885 100644
--- a/src/add-ons/accelerants/nvidia/engine/nv_acc.c
+++ b/src/add-ons/accelerants/nvidia/engine/nv_acc.c
@@ -1,6 +1,6 @@
 /* NV Acceleration functions */
 /* Author:
-   Rudolf Cornelissen 8/2003-1/2005.
+   Rudolf Cornelissen 8/2003-2/2005.
 
    This code was possible thanks to:
     - the Linux XFree86 NV driver,
@@ -373,6 +373,7 @@ status_t nv_acc_init()
 		switch (si->ps.card_type)
 		{
 		case NV40:
+		case NV45:
 			ACCW(NV40_WHAT0, 0x83280fff);
 			ACCW(NV40_WHAT1, 0x000000a0);
 			ACCW(NV40_WHAT2, 0x0078e366);
@@ -390,7 +391,7 @@ status_t nv_acc_init()
 			ACCW(NV40P_WHAT2, 0x0072cb77);
 			ACCW(NV40P_WHAT3, 0x00000108);
 			break;
-		case NV45: //fixme, checkout: this is cardID 0x016x at least!
+		case NV44:
 			ACCW(NV40P_WHAT0, 0x83280eff);
 			ACCW(NV40P_WHAT1, 0x000000a0);
 			ACCW(NV45_WHAT2, 0x00000000);
@@ -739,7 +740,7 @@ status_t nv_acc_init()
 		ACCW(NV20_PITCH3, (si->fbc.bytes_per_row & 0x0000ffff));
 		break;
 	case NV40A:
-		if (si->ps.card_type == NV40)
+		if ((si->ps.card_type == NV40) || (si->ps.card_type == NV45))
 		{
 			/* location of active screen in framebuffer */
 			ACCW(NV20_OFFSET0, ((uint8*)si->fbc.frame_buffer - (uint8*)si->framebuffer));
@@ -784,7 +785,7 @@ status_t nv_acc_init()
 		/* copy some RAM configuration info(?) */
 		if (si->ps.card_arch >= NV20A)
 		{
-			if (si->ps.card_type > NV40)
+			if ((si->ps.card_type > NV40) && (si->ps.card_type != NV45))
 			{
 				ACCW(NV40P_WHAT_T0, NV_REG32(NV32_PFB_CONFIG_0));
 				ACCW(NV40P_WHAT_T1, NV_REG32(NV32_PFB_CONFIG_1));
@@ -795,7 +796,7 @@ status_t nv_acc_init()
 			{
 				ACCW(NV20_WHAT_T0, NV_REG32(NV32_PFB_CONFIG_0));
 				ACCW(NV20_WHAT_T1, NV_REG32(NV32_PFB_CONFIG_1));
-				if (si->ps.card_type == NV40)
+				if ((si->ps.card_type == NV40) || (si->ps.card_type == NV45))
 				{
 					ACCW(NV40_WHAT_T2, NV_REG32(NV32_PFB_CONFIG_0));
 					ACCW(NV40_WHAT_T3, NV_REG32(NV32_PFB_CONFIG_1));
diff --git a/src/add-ons/accelerants/nvidia/engine/nv_acc_dma.c b/src/add-ons/accelerants/nvidia/engine/nv_acc_dma.c
index eae3bfb0e7..585bddfd7d 100644
--- a/src/add-ons/accelerants/nvidia/engine/nv_acc_dma.c
+++ b/src/add-ons/accelerants/nvidia/engine/nv_acc_dma.c
@@ -1,7 +1,7 @@
 /* NV Acceleration functions */
 
 /* Author:
-   Rudolf Cornelissen 8/2003-1/2005.
+   Rudolf Cornelissen 8/2003-2/2005.
 
    This code was possible thanks to:
     - the Linux XFree86 NV driver,
@@ -422,6 +422,7 @@ status_t nv_acc_init_dma()
 			switch (si->ps.card_type)
 			{
 			case NV40:
+			case NV45:
 				ACCW(NV40_WHAT0, 0x83280fff);
 				ACCW(NV40_WHAT1, 0x000000a0);
 				ACCW(NV40_WHAT2, 0x0078e366);
@@ -440,7 +441,7 @@ status_t nv_acc_init_dma()
 				ACCW(NV40P_WHAT2, 0x0072cb77);
 				ACCW(NV40P_WHAT3, 0x00000108);
 				break;
-			case NV45: //fixme, checkout: this is cardID 0x016x at least!
+			case NV44:
 				ACCW(NV40P_WHAT0, 0x83280eff);
 				ACCW(NV40P_WHAT1, 0x000000a0);
 
@@ -525,7 +526,7 @@ status_t nv_acc_init_dma()
 
 		if (si->ps.card_arch >= NV40A)
 		{
-			if (si->ps.card_type == NV40)
+			if ((si->ps.card_type == NV40) || (si->ps.card_type == NV45))
 			{
 				/* copy some RAM configuration info(?) */
  				ACCW(NV20_WHAT_T0, NV_REG32(NV32_PFB_CONFIG_0));