UH O, GOT A BAD FREQUENCY. when trying to verify a rom

[LeWoY]

D:\MAMEHub\MAMEHubRepo\Binaries\dist>csume64 -verifyroms rtype3 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 960.516000 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 960.516000 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 246.093750 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 976.562500 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 976.562500 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 976.562500 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 976.562500 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 976.562500 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 976.562500 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 59.541985 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 59.541985 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 36.621094 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 36.621094 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 244.140625 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 246.093750 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 246.093750 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 246.093750 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 246.093750 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 246.093750 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 246.093750 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 246.093750 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 246.093750 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 246.093750 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 246.093750 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 246.093750 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 16.683350 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 16.683350 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 59.541985 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 249.689244 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 3970.000000 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 249.689244 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 36.621094 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 36.621094 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 36.621094 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 36.621094 UH O, GOT A BAD FREQUENCY. CHECKSUM ERROR MIGHT HAPPEN: 36.621094

Is it supposed to do this when verifying a rom ? i dont see how this would be related to speed or desyncs... :/