Dimension of a 3.5-inch floppy disk
Dec 19, 2022 · A standard 3.5" floppy disk (ANSI X3.137 or ANSI X3.171 size) is physically 90mm x 94mm x 3.3 mm, with a 85.80 mm diameter magnetic disk in the cartridge. This is the same whether the media is DD, HD or ED inside - so 720k and …
history - Why did 3.5" floppies win (and not another size ...
Jan 19, 2019 · Companies began the shift to the 3.5" floppy around 1990. They were eventually phased out by the mid 90s around the time the Pentium was released. One of the first 3.5" floppies I owned was the game Rampage which actually shipped with the game on a 5.25" floppy and a 3.5" floppy. In fact MS-DOS 5.0 which was released in 1991 shipped on a 5.25 ...
Why did common floppies never advance past 1.4 MB in size?
Jun 19, 2018 · The chronology of some early floppy standards was: 80 kB, 160 kB, 360 kB, 720 kB, 1.2 MB, finally 1.44 MB. (There were less common sizes such as 250 kB, 800 kB, 1 MB) mentioned by comments: 120 kB, 2.88 MB :) The last size …
What other tricks were there to get more data onto floppy disks?
Nov 16, 2019 · To reach even larger capacities, as used for example in IBM’s XDF format or the various 2M formats, you need other tweaks: reducing the gap size, changing the data rate, varying the sector size, and in 2M’s case dropping the FAT backup. 2M and XDF also vary the format between the first track and the rest of the disk, so that DOS can still ...
How does a floppy drive identify the first and last sectors and …
Jan 14, 2022 · A real floppy disk track begins with some empty space, then the sectors (each one consisting of the address field, data and empty space) follow and at the end of the track there is more empty space. The screen shot however shows 18 sectors that cover 1/18 of the full circle - this means that there is no empty space on the visualization.
Can you use 5.25 HD floppy disks in a DD drive?
May 28, 2022 · What physical size and density floppies are the intermediate-capacity options for the /F switch of the DOS/Windows/OS/2 FORMAT command meant for? 6 Can you use 3.5″ high-density floppy disks in a double-density drive?
floppy disk - How did 512 Bytes come to be the most common …
Dec 15, 2020 · On a floppy, the header and gap would take as much space as a few dozen bytes (using a smaller gap would reduce rotational-speed tolerance). If headers happen to take 36 bytes, then seventeen 256-byte sectors would take up slightly more area on disk than nine 512-byte sectors, despite holding 256 fewer bytes of useful data.
ms-dos floppy-disk windows os2 - Retrocomputing Stack Exchange
Apr 2, 2020 · /F:size Specifies the size of the floppy disk to format (such as 160, 180, 320, 360, 720, 1.2, 1.44, 2.88). The description of the Windows NT 3.1–4.0 /F switch is (apart from a slight change in wording and the addition of support for 20385 KiB floptical disks) almost identical:
floppy disk - Did personal computers ever support 8" floppies ...
Sep 21, 2018 · Given a PC with a floppy controller it still does – all that's needed is a cable adapter (and maybe a stronger PS). (unless the size of your computer case was as big as a fridge!): Maybe not fridge-sized. It worked well with desktop units. They weren't that big when put in a sleek case (ofc, using slim line drives did help a bit :)).
Formatting a 720K floppy disk over USB fails with Windows 10
Feb 13, 2018 · format a: /f:720 Insert new disk for drive A: and press ENTER when ready... The type of the file system is RAW. The new file system is FAT. Formatting 720 KB Parameters not supported by drive. Format failed. Just like the message said, the format failed. The disk I'm using should be good but I cannot completely confirm.