18 votes

Is side 0 on the top or bottom of a floppy disk?

According to ECMA-125, a standard specifying high-density 90 mm floppies (so-called “3½ inch”), §4.14: Side 0 is the side engaged by the spindle. Side 1 is the opposite side. The spindle engages the ...
user3840170's user avatar
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18 votes
Accepted

Is side 0 on the top or bottom of a floppy disk?

Head 0 is normally on the bottom, i.e. opposite side of the label. This is true for both 3.5" and 5.25" disks.
tofro's user avatar
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9 votes
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What was the cost difference between single and double sided 5.25" floppy drives?

TL;DR: First of all it's a matter of timing - with no double sided drives available, there is no choice between either. 5.25 drives were first introduced by Shugart with the SA-400 single sided 35 ...
Raffzahn's user avatar
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8 votes

Is side 0 on the top or bottom of a floppy disk?

Side 0 is on the 'bottom' side of the drive, or more exactly it's on the non-moving side when closing/opening that drive. Which is, at least with all early drives also the side the drive motor is ...
Raffzahn's user avatar
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