format unknown on track 40

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edmaul69
Posts: 15
Joined: Thu Mar 08, 2018 11:13 pm

format unknown on track 40

Post by edmaul69 »

so i am using the gui and i am getting unkown format on a 40 track drive with an ibm disk. does this mean anything good or bad?

Motor(true)
Side(0)
TrackPosition(38)
Stream(true)
Stream(false)
TrackDataEvent(38.0,TrackInfoFull(38.0,Metrics(40768,0.104,190441,300.244,Base(2.02,99.153),Bands(ArraySeq(Band(4.023,true), Band(6.059,true), Band(8.071,true)))),Formats(List(FormatUnknown(Unknown))),None))
TrackDataEvent(38.0,TrackInfoFull(38.0,Metrics(40768,0.104,190441,300.244,Base(2.02,99.153),Bands(ArraySeq(Band(4.023,true), Band(6.059,true), Band(8.071,true)))),Formats(List(FormatGood(MFM,19,9,Set(FlagExtraHeaderData, FlagBadTrackId),3))),None))
Motor(true)
Side(1)
TrackPosition(38)
Stream(true)
Stream(false)
TrackDataEvent(38.1,TrackInfoFull(38.1,Metrics(38240,0.52,175635,300.245,Base(2.019,99.274),Bands(ArraySeq(Band(3.998,true), Band(6.056,true), Band(8.072,true)))),Formats(List(FormatUnknown(Unknown))),None))
TrackDataEvent(38.1,TrackInfoFull(38.1,Metrics(38240,0.52,175635,300.245,Base(2.019,99.274),Bands(ArraySeq(Band(3.998,true), Band(6.056,true), Band(8.072,true)))),Formats(List(FormatGood(MFM,19,9,Set(FlagExtraHeaderData, FlagBadTrackId),5))),None))
Motor(true)
Side(0)
TrackPosition(40)
Stream(true)
Stream(false)
TrackDataEvent(40.0,TrackInfoFull(40.0,Metrics(25038,0.125,117194,300.245,Base(2.016,66.081),Bands(ArraySeq(Band(3.995,true), Band(8.065,true)))),Formats(List(FormatUnknown(Unknown))),None))
TrackDataEvent(40.0,TrackInfoFull(40.0,Metrics(25038,0.125,117194,300.245,Base(2.016,66.081),Bands(ArraySeq(Band(3.995,true), Band(8.065,true)))),Formats(List(FormatUnknown(MFM))),None))
Motor(true)
Side(1)
TrackPosition(40)
Stream(true)
Stream(false)
TrackDataEvent(40.1,TrackInfoFull(40.1,Metrics(25038,0.062,112951,300.244,Base(2.016,66.037),Bands(ArraySeq(Band(3.990,true), Band(8.065,true)))),Formats(List(FormatUnknown(Unknown))),None))
TrackDataEvent(40.1,TrackInfoFull(40.1,Metrics(25038,0.062,112951,300.244,Base(2.016,66.037),Bands(ArraySeq(Band(3.990,true), Band(8.065,true)))),Formats(List(FormatUnknown(MFM))),None))
Motor(false)
HostFinishedEvent(true)

SomeGuy
Posts: 264
Joined: Wed Feb 18, 2015 8:18 pm

Re: format unknown on track 40

Post by SomeGuy »

Remember it ususally counts tracks from zero. So track 40 is the 41st track, and is beyond where data is usually stored on IBM PC 360k (double sided double density 48tpi) disks. Sometimes this track may contain mastering information written by professional disk duplicatiors, but it is usually blank.

edmaul69
Posts: 15
Joined: Thu Mar 08, 2018 11:13 pm

Re: format unknown on track 40

Post by edmaul69 »

Ok good to know. Thanks.

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