diff --git a/src/add-ons/accelerants/matrox/engine/mga_general.c b/src/add-ons/accelerants/matrox/engine/mga_general.c
index a65c6c4824..0cc1155688 100644
--- a/src/add-ons/accelerants/matrox/engine/mga_general.c
+++ b/src/add-ons/accelerants/matrox/engine/mga_general.c
@@ -54,7 +54,7 @@ status_t gx00_general_powerup()
 	status_t status;
 	uint8 card_class;
 
-	LOG(1,("POWERUP: Haiku Matrox Accelerant 0.28 running.\n"));
+	LOG(1,("POWERUP: Haiku Matrox Accelerant 0.29 running.\n"));
 
 	/* log VBLANK INT usability status */
 	if (si->ps.int_assigned)
diff --git a/src/add-ons/accelerants/matrox/engine/mga_info.c b/src/add-ons/accelerants/matrox/engine/mga_info.c
index 9d3eed24cb..642d222069 100644
--- a/src/add-ons/accelerants/matrox/engine/mga_info.c
+++ b/src/add-ons/accelerants/matrox/engine/mga_info.c
@@ -2,7 +2,7 @@
 /* some bits are hacks, where PINS is not known */
 /* Authors:
    Mark Watson 2/2000,
-   Rudolf Cornelissen 10/2002-1/2004
+   Rudolf Cornelissen 10/2002-4/2006
 */
 
 #define MODULE_BIT 0x00002000
@@ -244,8 +244,10 @@ status_t pins3_read(uint8 *pins, uint8 length)
 	si->ps.v3_option2_reg = pins[58];
 
 	/* for cards using this version of PINS both functions are in maven */
-	si->ps.secondary_head = !(pins[59] & 0x01);
 	si->ps.secondary_tvout = !(pins[59] & 0x01);
+	/* G200 and earlier cards are always singlehead cards */
+	si->ps.secondary_head = false;
+	if (si->ps.card_type >= G400) si->ps.secondary_head = !(pins[59] & 0x01);
 
 	/* setup via gathered info from pins */
 	si->ps.option_reg = 0;
@@ -398,8 +400,10 @@ status_t pins4_read(uint8 *pins, uint8 length)
 	si->ps.option_reg |= (rfhcnt << 15);
 
 	/* for cards using this version of PINS both functions are in maven */
-	si->ps.secondary_head = !(pins[91] & 0x01);
 	si->ps.secondary_tvout = !(pins[91] & 0x01);
+	/* G200 and earlier cards are always singlehead cards */
+	si->ps.secondary_head = false;
+	if (si->ps.card_type >= G400) si->ps.secondary_head = !(pins[91] & 0x01);
 
 	/* assuming the only possible panellink will be on the first head */
 	si->ps.primary_dvi = !(pins[91] & 0x40);
@@ -577,7 +581,8 @@ void fake_pins(void)
 		if (i2c_maven_probe() == B_OK)
 		{
 			si->ps.secondary_tvout = true;
-			si->ps.secondary_head = true;
+			/* G200 and earlier cards are always singlehead cards */
+			if (si->ps.card_type >= G400) si->ps.secondary_head = true;
 		}
 	}