The Commodore 1581 is a 3½-inch double-sided double-density floppy disk drive that was released by Commodore Business Machines (CBM) in 1987, primarily for its C64 and C128 home / personal computers.

The Commodore 1581 was developed as a replacement for the older 5.25" disk drives (1541, 1571). It utilizes a 3.5" disk, which when formatted provides 800k of storage (vs. 169984 bytes available on the 1541 and 349696 bytes for the 1571).

Oct 24, 2022 · Our next 1581 Replica board via COREi64 is the Commodore 1581 Enhanced V2 Bare PCB with Alternate Power Supply Circuit. The 1581 Enhanced board offers commonly found features such as switchable kernal, different floppy drive controller chip selections, and different CPU selections.

Sep 5, 2018 · The Commodore 1581 drive was the C64 3.5 floppy released in 1987 to extend the usable life of its 8-bit line of computers. It was an 800K floppy disk drive using the then-new 3.5-inch disk format.

The Commodore 1581 was the first 3.5" floppy disk drive created for the 8-bit Commodore 64 family of computers. The drive was released back in the summer of 1987 and instantly became popular with BBS operators.

Recently, a youtuber (Tim's Retro Corner) tried to assemble two 1581s and run them on his Commodore Plus4 and both of them had similar patterns. They worked for a while, and then, inexplicably, they didn't.

Commodore 1581 Users Guide - English manual for 1581 Floppy drive. Skip to main content. Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building façade. ...

The Commodore 1581 is a versatile 3.5" disk drive that can be used with a variety of computers, including the COMMODORE 128", the COMMODORE 64®, the Plus 4", COMMODORE 16", and VIC 20." Also, in addition to the convenience of 3.5" disks, the 1581 offers the following features:

Jul 13, 2020 · The Commodore 1581 is a 3-and-a-half inch (3.5”) floppy disk drive that debuted in 1987 for Commodore 64 and 128 computers. It was even compatible with the Plus 4, Commodore 16 and VIC-20. Can you imagine using the 1581 with a VIC? It would have been insane!

Mar 1, 2023 · The 1581 was the last disk drive Commodore produced for their 8-bit range of machines way back in 1987. It should look instantly familiar to Amiga users as it looks very similar to the A1010 drive and uses the same double-sided, double-density (DSDD) disks to provide 800K of storage.