Date: Fri, 14 Aug 2020 11:19:50 -0700 From: "Jin Guojun[VFF]" <jguojun@gmail.com> To: Tomasz CEDRO <tomek@cedro.info>, Don Wilde <dwilde1@gmail.com> Cc: FreeBSD Questions Mailing List <freebsd-questions@freebsd.org>, Christoph Kukulies <kuku@kukulies.org>, Steve O'Hara-Smith <steve@sohara.org> Subject: Re: 5.25" Floppy disk drive not recognized Message-ID: <e9c332a7-57cd-18aa-9b08-72b7197a1faa@gmail.com> In-Reply-To: <af30674c-efc8-e3aa-61dd-c02f6de93b0a@gmail.com> 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> <4db32149-6ddb-e70f-c36a-a2acc8bc0e9c@gmail.com> <CAM8r67CddPkGcuVp6qniGEUTdCK2NfEiOOrEuNqzrQkXNYzuBg@mail.gmail.com> <af30674c-efc8-e3aa-61dd-c02f6de93b0a@gmail.com>
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On 08/14/20 11:10, Jin Guojun[VFF] wrote: > On 08/14/20 09:34, Tomasz CEDRO wrote: >> On Fri, Aug 14, 2020 at 6:14 PM Don Wilde wrote: >>> On 8/14/20 8:45 AM, Tomasz CEDRO wrote: >>>> Is floppy drive still available? Was it supposed to be removed..? >>> It's still in the GENERIC kernel configuration. Disk Doctors, if you >>> have one local, should be able to tell you whether the diskette itself >>> is readable and formatted. >> Good news, thank you :-) There was a discussion somewhere around 2017 >> to remove it.. I am glad floppies are still here and will stay here >> :-) I am fan of retro computers and this may come handy :-) >> >> https://lists.freebsd.org/pipermail/freebsd-arch/2017-December/018681.html >> >> > We still have it :-) > > # mount_msdosfs -o ro /dev/fd0 /mnt > # ll /mnt > total 2131 > drwxr-xr-x 1 root wheel 7168 Dec 31 1979 ./ > drwxr-xr-x 24 root wheel 1024 Aug 14 10:50 ../ > -rwxr-xr-x 1 root wheel 6883 Dec 30 1993 ADDHELP.OV_* > -rwxr-xr-x 1 root wheel 28962 Dec 30 1993 DBLSPACE.BI_* > -rwxr-xr-x 1 root wheel 302 Dec 30 1993 DBLSPACE.SYS* > -rwxr-xr-x 1 root wheel 744 Dec 30 1993 DOSUMB.CO_* > -rwxr-xr-x 1 root wheel 175485 Dec 30 1993 IBMAVD.EX_* > -rwxr-xr-x 1 root wheel 78253 Dec 30 1993 IBMAVSP.EX_* > ... > # umount /mnt > > --- change to a bad floppy disk > > # dd if=/dev/zero of=/dev/fd0 bs=18k > dd: /dev/fd0: Input/output error > 1+0 records in > 0+0 records out > 0 bytes transferred in 3.943048 secs (0 bytes/sec) > ^C > # fdformat -f 1440 /dev/fd0 > Format 1440K floppy `/dev/fd0'? (y/n): y > Processing EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE done. > Errors encountered: > Cyl Head Sect Error > 0 0 1 no address mark in ID field > 0 1 1 no address mark in ID field > 1 0 1 no address mark in ID field > 1 1 1 no address mark in ID field > 2 0 1 no address mark in ID field > 2 1 1 no address mark in ID field > 3 0 1 no address mark in ID field > 3 1 1 no address mark in ID field > 4 0 1 no address mark in ID field > 4 1 1 no address mark in ID field > (Further errors not printed.) > > # uname -a > FreeBSD f114 11.4-RELEASE FreeBSD 11.4-RELEASE #0: Sun Aug 9 23:48:49 > PDT 2020 > root@f114:/usr/src/sys/amd64/compile/MinMax amd64 > reFormating it to lower density make the floppy has some useful. The floppy disk does not last long. Event leave it in a box without use, the media will age. # fdformat -f 720 /dev/fd0 Format 720K floppy `/dev/fd0'? (y/n): y Processing VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVEE done. Errors encountered: Cyl Head Sect Error 76 1 2 CRC error in data field 78 1 2 CRC error in data field 79 1 2 CRC error in data field # dd if=/dev/zero of=/dev/fd0 bs=18k count=10k dd: /dev/fd0: end of device 41+0 records in 40+0 records out 737280 bytes transferred in 48.023818 secs (15352 bytes/sec)
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