4c221b0da1816acf2ca302b10092df059484468dvboxsyncextern _X_EXPORT RamDacHelperRecPtr BTramdacProbe(ScrnInfoPtr pScrn, RamDacSupportedInfoRecPtr ramdacs);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncextern _X_EXPORT void BTramdacSave(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec, RamDacRegRecPtr RamDacRegRec);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncextern _X_EXPORT void BTramdacRestore(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec, RamDacRegRecPtr RamDacRegRec);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncextern _X_EXPORT void BTramdacSetBpp(ScrnInfoPtr pScrn, RamDacRegRecPtr RamDacRegRec);
4c221b0da1816acf2ca302b10092df059484468dvboxsync * BT registers