Get APLawrence.com by RSS2004/02/21 flippy
(old timers alert!).
I was reminded of these in a conversation with a person who worked for Tandy in Fort Worth during their personal computer days.
A flippy disk was recorded on both sides, but was designed to be read in a "normal" (for the time) single side disk drive. It had two sets of write protect notches, and you'd physically flip it over to read the other side.
See http://www.tim-mann.org/trs80faq.html and http://142.179.110.134/~jeffv/cocodisk/about.htm
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"A flippy disk was recorded on both sides, but was designed to be read in a "normal" (for the time) single side disk drive. It had two sets of write protect notches, and you'd physically flip it over to read the other side."
This was also a common practice with Commodore C-64 and C-128 computers when used with the 1541 single-sided floppy drive. It was considered to be a shaky practice, as flipping the disk caused it to be rotated in the "wrong" driection, which would occasionally result in damage to the magnetic coating on the disk. The advent of the double-sided 1571 and 1581 (3-1/2 inch) drives gradually brought this practice to halt.
--BigDumbDinosaur
"A flippy disk was recorded on both sides, but was designed to be read in a "normal" (for the time) single side disk drive. It had two sets of write protect notches, and you'd physically flip it over to read the other side."
This was also a common practice with Commodore C-64 and C-128 computers when used with the 1541 single-sided floppy drive. It was considered to be a shaky practice, as flipping the disk caused it to be rotated in the "wrong" driection, which would occasionally result in damage to the magnetic coating on the disk. The advent of the double-sided 1571 and 1581 (3-1/2 inch) drives gradually brought this practice to a halt.
--BigDumbDinosaur
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