2 Jul
2016
2 Jul
'16
10:37 a.m.
Hi,
I think that only worked on the Commodore 64 and likes, where the drive did
not use the index hole to identify the start of sectors/tracks. Punching a
hole there was much harder operation, than cutting a new write protect
notch.
Szanolcs
2016.07.02. 2:16 ezt írta ("Dave Horsfall" <dave(a)horsfall.org>)
On Fri, 1 Jul 2016, Marc Rochkind wrote:
Those original floppies were I believe 160K. If
you paid extra, the box
would hold two drives. Later, IBM introduced double-sided drives, at
320K each.
Those in the know, of course, simply put a notch on the opposite side.
--
Dave Horsfall DTM (VK2KFU) "Those who don't understand security will
suffer."