misc/config_files/greaseweazle/diskdefs_os8.cfg

disk 1000
    cyls = 77
    heads = 2
    tracks 0.0 ibm.fm
        secs =26
        bps = 128
        gap3 = 42
        rate = 250
        rpm = 360
    end
    tracks * ibm.mfm
        secs =26
        bps = 256
        gap3 = 84
        rate = 500
        rpm = 360
    end
end