Sure you dont use the 180 script
If it stays in limbo on a grey screen then try what G suggested, r_mode -1(custom res) or r_mode 4(1024x1600 res)
P.S - The fook are all these cvars......
seta s_bits "16"
seta s_bloat "2"
seta s_defaultsound "0"
seta s_distance "100"
seta s_loadas8bit "1"
seta s_maxdistance "99999999999999"
seta s_mindistance "0.000000000001"
seta s_mixahead "0.2"
seta s_mixPreStep "0.05"
seta s_polykeep "1000000000"
seta s_polyreflectsize "10000000"
seta s_polysize "10000000"