diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index e944aac258e..a0b8848049c 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -66,8 +66,8 @@
 
 #define DRV_MODULE_NAME		"tg3"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"3.30"
-#define DRV_MODULE_RELDATE	"June 6, 2005"
+#define DRV_MODULE_VERSION	"3.31"
+#define DRV_MODULE_RELDATE	"June 8, 2005"
 
 #define TG3_DEF_MAC_MODE	0
 #define TG3_DEF_RX_MODE		0
@@ -9695,10 +9695,24 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
 	}
 	if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
 	    DMA_RWCTRL_WRITE_BNDRY_16) {
+		static struct pci_device_id dma_wait_state_chipsets[] = {
+			{ PCI_DEVICE(PCI_VENDOR_ID_APPLE,
+				     PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
+			{ },
+		};
+
 		/* DMA test passed without adjusting DMA boundary,
-		 * just restore the calculated DMA boundary
+		 * now look for chipsets that are known to expose the
+		 * DMA bug without failing the test.
 		 */
-		tp->dma_rwctrl = saved_dma_rwctrl;
+		if (pci_dev_present(dma_wait_state_chipsets)) {
+			tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
+			tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
+		}
+		else
+			/* Safe to use the calculated DMA boundary. */
+			tp->dma_rwctrl = saved_dma_rwctrl;
+
 		tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
 	}
 
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 18f734ec918..b8b4ebf9abf 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -874,6 +874,7 @@
 #define PCI_DEVICE_ID_APPLE_KL_USB_P	0x0026
 #define PCI_DEVICE_ID_APPLE_UNI_N_AGP_P	0x0027
 #define PCI_DEVICE_ID_APPLE_UNI_N_AGP15	0x002d
+#define PCI_DEVICE_ID_APPLE_UNI_N_PCI15	0x002e
 #define PCI_DEVICE_ID_APPLE_UNI_N_FW2	0x0030
 #define PCI_DEVICE_ID_APPLE_UNI_N_GMAC2	0x0032
 #define PCI_DEVIEC_ID_APPLE_UNI_N_ATA	0x0033