VGE_DMACFG0      1532 dev/pci/if_vge.c 	CSR_CLRBIT_1(sc, VGE_DMACFG0, VGE_DMACFG0_BURSTLEN);
VGE_DMACFG0      1533 dev/pci/if_vge.c 	CSR_SETBIT_1(sc, VGE_DMACFG0, VGE_DMABURST_128);