Date: Mon, 17 Aug 2020 11:20:22 +0200 From: Christoph Kukulies <kuku@kukulies.org> To: Polytropon <freebsd@edvax.de> Cc: Tomasz CEDRO <tomek@cedro.info>, Steve O'Hara-Smith <steve@sohara.org>, User Questions <freebsd-questions@freebsd.org> Subject: Re: 5.25" Floppy disk drive not recognized Message-ID: <39DD3C11-A711-43EC-B69F-0B18CBBF9BA2@kukulies.org> In-Reply-To: <20200814224646.0c1432d9.freebsd@edvax.de> References: <46FFA8F9-90AA-42DE-8E8B-CA4383CA7AC6@kukulies.org> <20200814101021.c71f6c23768a5bef685739fe@sohara.org> <20200814071030.3f319e5a@scorpio.seibercom.net> <76A64DE1-B61B-405E-A623-C886819E1977@kukulies.org> <20200814151509.0feef428f3692a1d9a2bb39a@sohara.org> <CAM8r67A8896GM4fsTe-yQnkmz-MCKS0=fN7BwnGF4iixqA4=NA@mail.gmail.com> <0F38A0D7-FD25-4076-A14C-3B75BAC76244@kukulies.org> <86D9EF37-531A-4480-8857-9C495E4BBB8C@kukulies.org> <7CF88C86-6E81-498D-A383-B160D77D8134@kukulies.org> <20200814224646.0c1432d9.freebsd@edvax.de>
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--Apple-Mail=_5035597A-6DE0-4CE8-82C3-D66437FC9946 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > Am 14.08.2020 um 22:46 schrieb Polytropon <freebsd@edvax.de>: >=20 > On Fri, 14 Aug 2020 22:38:05 +0200, Christoph Kukulies wrote: >> neither less or cat works. I cannot totally exclude that the media = don=E2=80=99t fit. >> The ones in questions here are CP/M 68k format. They are DD-DT. >=20 > In this case, using fdcontrol to change the drive's settings > is probably the correct way to go. Use the command >=20 > % fdcontrol -F -v /dev/fd0 >=20 > to see what drive and disk can tell about themselves. If that > is not correct, use fdcontrol's -s option to change the drive's > view. >=20 It looks like whatever medium I insert, I=E2=80=99m always getting: # fdcontrol -F -v /dev/fd0 /dev/fd0: 1200 KB media type Format: 15,512,0xff,0x1b,80,500,2,0x54,1,0,+mfm,+auto Sector size: 512 Sectors/track: 15 Heads/cylinder: 2 Cylinders/disk: 80 Transfer rate: 500 kbps Sector gap: 27 Format gap: 84 Interleave: 1 Side offset: 0 Flags <MFM,AUTO> #=20 Inserting a medium which I marked DD-DT (double density double track) at = the time I wrote it, gives: # fdread -d /dev/fd0 -o fd_dump Reading 80 * 2 * 15 * 512 medium at /dev/fd0 >=20 >=20 >> OTOH, dd normally used to work on this kind of devices, didn=E2=80=99t = it? >=20 > If the (hardware) formatting deviates too much from what the > drive's settings expect, it will only result in read errors. > This where something within the chain "OS - controller - drive - > medium" does not match the expectations. This is where fdcontrol > can be used to change those expectations. :-) BTW, looks like Ubuntu Linux adopted the FreeBSD floppy interface, did = they? --Apple-Mail=_5035597A-6DE0-4CE8-82C3-D66437FC9946 Content-Disposition: attachment; filename=smime.p7s Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCCc0w ggSQMIIDeKADAgECAggYVYMhomAL1zANBgkqhkiG9w0BAQsFADBmMQswCQYDVQQGEwJERTEzMDEG A1UECgwqREdOIERldXRzY2hlcyBHZXN1bmRoZWl0c25ldHogU2VydmljZSBHbWJIMSIwIAYDVQQD DBlkZ25zZXJ2aWNlIENBIDIgVHlwZSBFOlBOMB4XDTIwMDUxNjE1Mjc1OVoXDTIxMDUxNjE1Mjc1 OVowbzELMAkGA1UEBhMCREUxITAfBgNVBAUTGDQwMDAwMDAwNWVjMDA4ZGQzNzNhZDhlYzEbMBkG A1UEAwwSQ2hyaXN0b3BoIEt1a3VsaWVzMSAwHgYJKoZIhvcNAQkBFhFrdWt1QGt1a3VsaWVzLm9y ZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKug1655hQWRmOtGAShZLbMwDtrm7rAH 7p1oPtE/5KpTpJZe8LHPxxvW0EAd2JcLtEhdvAi7smhZ/giJ3IBK7OYmdaCvuQ6MFvJpkmLkQ9TO 4+RLW+PkBk8nFIUe+PQG+VurpWc8pbU4IRsWS3pEUgov9+LF6VtyYBHKD2HZwe46YBwUq7l0EHxc aa98ewCMO43XznlqjE+oKxwaS2nl1rL/SPVlfGmKqHkdSKEKl6yR1LCcI3J3HP56kqmIrvtySr7q UZVsibA+D6vArqklO99WKQmt0b4IX6TXouvAA6bNoF1FhYUyihm4omMWZkdTs7Gv5rr1fzPWXcev cMfJdtUCAwEAAaOCATcwggEzMB0GA1UdDgQWBBSQh9N17gCH/igJy5ftrVaJNm6SCTAMBgNVHRMB Af8EAjAAMB8GA1UdIwQYMBaAFOnGk9HVDwZkcupqlj66EPJUVLJ5MFYGA1UdIARPME0wSwYMKwYB BAH7KwIBAwIIMDswOQYIKwYBBQUHAgEWLWh0dHA6Ly9zZWM1LmRnbnNlcnZpY2UuZGUvcG9saWNp ZXMvaW5kZXguaHRtbDA+BgNVHR8ENzA1MDOgMaAvhi1odHRwOi8vc2VjNS5kZ25zZXJ2aWNlLmRl L2NybC9jcmwyLXR5cGUtZS5jcmwwDgYDVR0PAQH/BAQDAgSwMB0GA1UdJQQWMBQGCCsGAQUFBwMC BggrBgEFBQcDBDAcBgNVHREEFTATgRFrdWt1QGt1a3VsaWVzLm9yZzANBgkqhkiG9w0BAQsFAAOC AQEALUBRNzLAUiPi29LLATqWmrUlyacMVAtjdROQMd/AVPj0mUqTMoDO+YoWICOSEn/nEyb2Lrrz JNGqC6KO0CNROaWcEhFadKx4qtp9t26Qe/EkO0XbXexIfBxFl1ynQA54D0qtPb/SUZvTy0tq8oBt FdsIU+cXAzigEz2Z9nziHBMqThoKzAZSrk/sPvxT6MNMC/BMGlHGl0DV//wwI5vlzJiKS8iXFyxf 5VrN1IwgRyqXD8JsgF1BuEqcloSJ3JnWUGQCTURFasZDJlP0f/KJS8odUpEWDKnn6tt0RjBk0jUN i7z42ozzPn/o154AgXC2cNmROxC0gnvd+V/yIuAryDCCBTUwggQdoAMCAQICCFUcStdmrSX2MA0G CSqGSIb3DQEBCwUAMGExCzAJBgNVBAYTAkRFMTMwMQYDVQQKDCpER04gRGV1dHNjaGVzIEdlc3Vu ZGhlaXRzbmV0eiBTZXJ2aWNlIEdtYkgxHTAbBgNVBAMMFGRnbnNlcnZpY2UgUm9vdCA3OlBOMB4X DTE2MTAyNjA5MjI0MVoXDTI0MTAyNjA5MjI0MVowZjELMAkGA1UEBhMCREUxMzAxBgNVBAoMKkRH TiBEZXV0c2NoZXMgR2VzdW5kaGVpdHNuZXR6IFNlcnZpY2UgR21iSDEiMCAGA1UEAwwZZGduc2Vy dmljZSBDQSAyIFR5cGUgRTpQTjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANyl8pQ/ dMejR9KXZs5ro81tFwNhloThlXe8sat79Tjjk6xFqE5E94//0vifJxMrp9RrCkNOo5oPG1djGOgk 0L0ucpHFUH9SQF/SHbm83QvWJXgqEJpjxOKZXTPbJRKVvY25niB0FTr2omRqypiP4A/w5xA6jSJ2 P02vV6WgcPfaLQkM+SEGPxV/pzpvuY3KfzJ9li9mXPNXaJD9y+jqIUvHbCAbuYKQ5nwEAcYMXDpP RQgDQGTrRiFExHEjsZeMzEFADZj9deg/h29AMO0w2YrSvkNReh/zvDZutdy25DZvjE3AUgStWgBC 7x+2ddOb2I61o6xbIsxlfq/mzNpAGoECAwEAAaOCAeowggHmMBIGA1UdEwEB/wQIMAYBAf8CAQAw HwYDVR0jBBgwFoAUAQwWG3Ry0zwU7iZ3t0kUU9j7ixswWwYIKwYBBQUHAQEETzBNMEsGCCsGAQUF BzABhj9odHRwOi8vcm9jc3AtZGduLmRnbnNlcnZpY2UuZGU6ODA4MC9lamJjYS9wdWJsaWN3ZWIv c3RhdHVzL29jc3AwagYDVR0gBGMwYTBfBgwrBgEEAfsrAgEEAgEwTzBNBggrBgEFBQcCARZBaHR0 cDovL3d3dy5kZ25zZXJ2aWNlLmRlL3RydXN0Y2VudGVyL3B1YmxpYy9kZ25zZXJ2aWNlL2luZGV4 Lmh0bWwwgZkGA1UdHwSBkTCBjjCBi6CBiKCBhYaBgmxkYXA6Ly9sZGFwLmRnbnNlcnZpY2UuZGU6 Mzg5L0NOPUNSTC0xLE89REdOJTIwU2VydmljZSUyMEdtYkgsQz1ERT9jZXJ0aWZpY2F0ZVJldm9j YXRpb25MaXN0P2Jhc2U/b2JqZWN0Q2xhc3M9Y1JMRGlzdHJpYnV0aW9uUG9pbnQwHQYDVR0OBBYE FOnGk9HVDwZkcupqlj66EPJUVLJ5MA4GA1UdDwEB/wQEAwIBBjAbBgkrBgEEAcBtAwUEDjAMBgor BgEEAcBtAwUBMA0GCSqGSIb3DQEBCwUAA4IBAQCrvDn6Rcn7/FNq3SOJNfgYNfkdR5CiGoC4sZ+i 0dypCqqMXwbpRQjSriLS2eEe2V2Fms0E4SuBOEaxOg1nVjYafQVGtytRT0ueFIzB3VcnQl7oRFJ0 SHi9d/xjElAZkk8I8lytuWG57SabA72duEp7AaCWG3lVZIdNLy+rkNrfNvEUbqUh0TrZXgqpwwCL JjYF8vyC4I+xxNaXm3EmuNvgQ2j2dGp3Oxc0QbfLLOCbK/rOdDikaBN7kTqpfHls7pcIOhQrgrPV LzY/NHqG9zEpmjuQora63YHdu7BTzGp/DvcQwfyKa/gtb9LHn3AoSUqOKOMd02sUb/AxGhsNjMzJ MYIDFDCCAxACAQEwcjBmMQswCQYDVQQGEwJERTEzMDEGA1UECgwqREdOIERldXRzY2hlcyBHZXN1 bmRoZWl0c25ldHogU2VydmljZSBHbWJIMSIwIAYDVQQDDBlkZ25zZXJ2aWNlIENBIDIgVHlwZSBF OlBOAggYVYMhomAL1zANBglghkgBZQMEAgEFAKCCAXMwGAYJKoZIhvcNAQkDMQsGCSqGSIb3DQEH ATAcBgkqhkiG9w0BCQUxDxcNMjAwODE3MDkyMDIyWjAvBgkqhkiG9w0BCQQxIgQge1/OSowWyx36 JVkCXXA3np0qsk85NtGp8PtAD6XFfxowgYEGCSsGAQQBgjcQBDF0MHIwZjELMAkGA1UEBhMCREUx MzAxBgNVBAoMKkRHTiBEZXV0c2NoZXMgR2VzdW5kaGVpdHNuZXR6IFNlcnZpY2UgR21iSDEiMCAG A1UEAwwZZGduc2VydmljZSBDQSAyIFR5cGUgRTpQTgIIGFWDIaJgC9cwgYMGCyqGSIb3DQEJEAIL MXSgcjBmMQswCQYDVQQGEwJERTEzMDEGA1UECgwqREdOIERldXRzY2hlcyBHZXN1bmRoZWl0c25l dHogU2VydmljZSBHbWJIMSIwIAYDVQQDDBlkZ25zZXJ2aWNlIENBIDIgVHlwZSBFOlBOAggYVYMh omAL1zANBgkqhkiG9w0BAQEFAASCAQBiEbkotUhlkfCSswIzS+LRDIVswZKKhqvslfL1dAYo8crA LPxAiFSEOx8fXNLifrCCYOHWq2WezY0+eqUz5gWrqQGo9WLEmtYzMb2GnkoJg301TZvsVuw2ofA9 Zy4VrMS/0uetulmEEviaEf8MI2Q5VjWmiOCDJFEmslZXNLD4zR1FoCcLMTLiZsggzFoh2mQiREs+ rZjjEErJEP0HeGrMjyNp8NgzgbYDT94S+cob+l1rZwJA+s1XiOg5XsFQxsRMVkbYHC61hhnQFVzx mDnmGlb9KObp8wk0Ir9RPIBOWG2amHdeg0Xh/cIzcpxh5dBLbL1Q6uuT8WfWkK1Ih6TmAAAAAAAA --Apple-Mail=_5035597A-6DE0-4CE8-82C3-D66437FC9946--
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