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Overview Release VTS Release 
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More ROMs ArticlePics

Pictures of different versions of the Floppy-Speeder Professional-DOS taken from articles and advertisements

The table below shows some pictures of different Professional-DOS PCBs.

Take note the broad form PCB (not the well known long one), that may be a prototype version.


C1541 Professional-DOS drive expansion boardsWeb picture, 150 dpi
placeholder		Download, 600 or 1200 dpi
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Early version (prototype?) of a Professional-DOS hardware board (taken from 64'er, issue 08/1986, page 22, upper right corner)Drive PCB, solder side529x372,
122 kB		2116x1488,
1427 kB
Another scan (available with 1200dpi) of the 08/1986 64'er articleDrive PCB, parts side537x407,
115 kB		4294x3260,
1369 kB
Picture of the Professional-DOS Release variant (taken from a hardware test article of 64'er, issue 05/1987, page 26, upper right corner)Drive PCB partially disassembled, parts side527x413,
77 kB		2109x1651,
1165 kB

 
Wolfgang Moser, 2003-05-25,  ,  ("contact me" form disabled due to too high demand, sorry)