Add UTV disc 6

X37/ABCenix_UTV_6(9)-logg.txt

@@ -0,0 +1,4 @@
+Found format "ibm_mfm_dd"
+PLL Parameters: period_adj=5% phase_adj=60%
+T0.0-79.1: IBM-MFM DD (16 256-byte sectors, 4096 bytes)
+T80.0-83.1: Unformatted