July 28th, 2024

The CMD FD-4000 Floppy Drive's Can Convert Disks from HD (1.4MB) to ED (3.2MB)

The CMD FD-4000 floppy drive, available in 2024, converts HD disks to ED disks, crucial for Commodore 8-bit users. Success varies, and maintenance is recommended for optimal performance.

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The CMD FD-4000 Floppy Drive's Can Convert Disks from HD (1.4MB) to ED (3.2MB)

The CMD FD-4000 floppy drive, set to be legally recreated in 2024, can convert standard HD (1.4MB) disks into ED (3.2MB) disks, which are scarce and difficult to find. This conversion process is significant for users of Commodore 8-bit machines, as ED disks have historically been in limited supply. The conversion requires drilling a hole in the HD disk and covering the original hole with tape, followed by using CMD's FD Tools software to format the disk to 3.2MB. Users have reported varying success rates with this process, with some achieving high success while others struggle. Cleaning the drive heads has been suggested as a potential solution to improve formatting success. The FD-4000 drive is noted for its bright LEDs and compatibility with CMD software, which allows users to log and format disks efficiently. However, the conversion is exclusive to the FD-4000, meaning converted disks cannot be used in other systems. The ability to create ED disks from HD disks is crucial for maximizing the FD-4000's capabilities, especially given the current scarcity of ED disks. Users are encouraged to experiment with different brands of disks and to maintain their drives for optimal performance. Overall, the CMD FD-4000 offers a unique solution for retro computing enthusiasts looking to expand their storage options.

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Link Icon 3 comments
By @rasz - 9 months
>This process only works with an FD-4000 drive. If you convert an HD disk to ED format, you won't be able to run over to your NeXT machine and start using like a NOS ED disk. My understanding is that this conversion only works with FD-4000 drives.

nah, it works with most ED drives https://ardent-tool.com/floppy/floppy.html#2.88_Floppy_Hack

"I can also format 1.44MB media to 2.88MB without drilling an extra hole in it. In fact, all media is automatically formatted at the drive's native capacity unless forced with the /F switch."

"1.44MB media seems to work well at 2.88MB. It formats error-free and seems to hold data with no problem. I am doing some long-term testing to see if it will retain data. "

By @grecy - 9 months
I remember in High School in about 1995 when Dad and I made a jig to drill holes in 1.44MB disks to turn them into 2.88MB disks.

It worked on about 90% of the 50 or so we drilled, IIRC.