--- /usr/src/sys/dev/tdfx/tdfx_pci.c	Sun Jul 30 14:56:53 2000
+++ tdfx_pci.c	Mon Jul 31 00:45:24 2000
@@ -221,7 +221,7 @@
 	/* Setup for Voodoo3 and Banshee, PIO and an extram Memrange */
 	if(pci_get_devid(dev) == PCI_DEVICE_3DFX_VOODOO3 ||
 		pci_get_devid(dev) == PCI_DEVICE_3DFX_BANSHEE) {
-		rid = 0x20;	/* 2nd mem map */
+		rid = 0x14;	/* 2nd mem map */
 		tdfx_info->addr1 = (pci_read_config(dev, 0x14, 4) & 0xffff0000);
 #ifdef DEBUG
 		device_printf(dev, "Base1 @ 0x%x\n", tdfx_info->addr1);