Found format "ibm"
PLL Parameters: period_adj=5% phase_adj=60%
Side 0:
 T0-39: IBM-MFM DD (16 256-byte sectors, 4096 bytes)
 T40-79: Unformatted*
 T80-83: Unformatted
Side 1:
 T0-1: Unformatted*
 T2: Unformatted
 T3: Unformatted*
 T4-9: Unformatted
 T10: Unformatted*
 T11-39: Unformatted
 T40-79: Unformatted*
 T80-83: Unformatted