--- orig/programs/Xserver/hw/xfree86/drivers/ati/atipreinit.c	Sun Jan 27 12:22:35 2002
+++ myne/programs/Xserver/hw/xfree86/drivers/ati/atipreinit.c	Thu Jul 11 11:54:34 2002
@@ -2017,7 +2017,9 @@
                     if ((pATI->Chip <= ATI_CHIP_88800GXD) &&
                         (pATI->VideoRAM < 4096))
                         pATI->LinearSize = 4 * 1024 * 1024;
-                    else
+                    else if (pATI->Chip = PCI_CHIP_MACH64LB)
+                        pATI->LinearSize = 16 * 1024 * 1024;
+                    else
                         pATI->LinearSize = 8 * 1024 * 1024;
                 }
             }