[Home]History of OS-9DiskRead

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Revision 14 . . April 18, 2019 1:38 pm by JohannKlasek [AHA-1542B added, FDC infos]
Revision 13 . . February 16, 2017 5:38 pm by JohannKlasek [Note an FDC capabilities]
Revision 12 . . June 24, 2014 3:13 pm by JohannKlasek [Intro]
Revision 11 . . February 14, 2013 11:49 am by JohannKlasek [clarifications, Linux distris]
Revision 10 . . October 19, 2012 9:33 am by JohannKlasek [ext. links corrected]
Revision 9 . . (edit) March 19, 2012 1:04 pm by JohannKlasek [Typo]
Revision 8 . . March 19, 2012 11:46 am by JohannKlasek [Typo]
Revision 7 . . June 21, 2011 3:15 pm by JohannKlasek [FDC list reference given.]
Revision 6 . . June 18, 2011 9:47 am by JohannKlasek [Other RBF tools added.]
Revision 5 . . June 18, 2011 3:02 am by JohannKlasek [reorg. extracting data]
Revision 4 . . June 18, 2011 2:59 am by JohannKlasek [extracting data added]
Revision 3 . . June 5, 2011 10:08 am by JohannKlasek [os9disk changes]
Revision 2 . . June 5, 2011 4:41 am by JohannKlasek [Software details added.]
Revision 1 . . June 5, 2011 3:32 am by JohannKlasek [howto read os-9 disks (hardware, software, ...)]
  

Difference (from prior major revision) (no other diffs)

Changed: 14c14
* Floppy disk controller WD 1791
* Floppy disk controller based on FDC chip WD 1791

Changed: 23c23
* Adaptec AHA-1542CF
ISA-card, only floppy controller is used, Linux recognises it as "post-1991 82077")
This controller card is essential to read FM (single density) formats!
Note: Its FDC is not able to handle 128 byte sector double density formats!
* Adaptec AHA-1542CF or AHA-1542B
ISA-card, only floppy controller is used, Linux recognises it as "post-1991 82077")
This controller card is essential to read FM (single density) formats!
Note: Its FDC is not able to handle 128 byte sector double density formats!

Changed: 30c30

* Form FM (Single Density) use a disk controller chip based on WD 1771/1772, WD 1791.

Changed: 35c35

Adaptec AHA-1542CF



Adaptec AHA-1542




Changed: 37,38c37,38
* Floppy controller:
Sometimes an add-on floppy card will have a 765-compatible floppy controller that supports FM (single density). The Adaptec AHA1542CF SCSI hard disk controller includes a floppy disk controller on the same card that supports FM and works with both 300 RPM and 360 RPM drives; so do some other Adaptec cards. This card is easy to use; you just plug it into any spare ISA slot and disable your motherboard FDC.
* Card setup (switches):

* Floppy controller:
Sometimes an add-on floppy card will have a 765-compatible floppy controller that supports FM (single density). The Adaptec AHA-1542CF or AHA-1542B SCSI hard disk controller includes a floppy disk controller on the same card which supports FM and works with both 300 RPM and 360 RPM drives; as some other Adaptec cards do. This card is easy to use; you just plug it into any spare ISA slot and disable your motherboard FDC.
* Card setup AHA-1542CF (switches):


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