Commodore64 fdd1541 front demodified.jpg Front view of the second-most common version of the Commodore 1541 disk drive, with open disk slot: this version uses a Newtronics drive mechanism, and the rotating lever is used to engage the drive mechanism with the disk (i.e. to engage the hub clamp and load the disk heads) and to prevent removal of the disk while the mechanism is mechanically engaged. Manufacturer Commodore Business Machines, Inc. Back panel view of the Commodore 1541 disk drive The Commodore 1541 (also known as the CBM 1541 and VIC-1541) is a floppy disk drive which was made by Commodore International for the Commodore 64 (C64), Commodore's most popular home computer. The best-known floppy disk drive for the C64, the 1541 is a single-sided 170-kilobyte drive for 5¼" disks. The 1541 directly followed the Commodore 1540 (meant for the VIC-20).