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The floppy disk controller supported up to two additional 3.5" disk drives (for a total of four 3.5" drives). The base system included the following external ports: I/O expansion, black and white composite monitor, analog RGB monitor , parallel printer , light pen , cassette deck, number pad, headphone, and RS-232C .
3.5-inch and 5.25-inch drives connect to the floppy controller using a 34-conductor flat ribbon cable for signal and control. Most controllers support two floppy drives, although the Shugart standard supports up to four drives attached to a single controller. A cable could have 5.25-inch style connectors, 3.5-inch style connectors, or a ...
Under these, a carrying handle. At the rear two proprietary Apricot connector slots for expansion, parallel printer port of Centronics micro ribbon 36 pin connector type, serial port DB-25 connector, monitor connector and power supply with a switch. Support for two internal 3,5" Sony floppy disk drives; Input / Output: External monitor connector.
The TX has a 3.5" internal floppy disk drive mounted in a 5.25" bay with room for an optional second internal 3.5" or 5.25" floppy disk drive. The rear panel has the same ports as the 1000 SX, except that an RS-232C serial port replaces the light-pen port.
8-inch floppy disk, inserted in drive, (3½-inch floppy diskette, in front, shown for scale) 3½-inch, high-density floppy diskettes with adhesive labels affixed The first commercial floppy disks, developed in the late 1960s, were 8 inches (203.2 mm) in diameter; [4] [5] they became commercially available in 1971 as a component of IBM products and both drives and disks were then sold ...
An external 5.25-inch floppy drive, matching the style of the IIc, was also made available. Later, 3.5-inch floppy storage became an option with the "intelligent" UniDisk 3.5 which contained its own miniature computer inside (CPU, RAM, firmware) to overcome the issue of using a high-speed floppy drive on a 1 MHz machine.