RetroFloppy offers a selection hard-to-find serial cables, diskettes, and accessories for Apple II and Apple /// computers. Jump to:
Serial Cables | USB Adapters | Blank Disks | Apple /// | ADTPro | Tandy PDD
Shoppers outside the United States – we are currently not exporting beyond North America. Shoppers from Canada and Mexico: you can send your shopping list and your country to our contact page and we will reply with a PayPal invoice with the correct postage calculated for your country.
Apple IIc, Laser 128 null modem
Approximately 6 feet long, made with shielded cable. Converts the Apple IIc or Laser 128 modem port to a female DE-9 connector, typical on older PCs with RS-232 serial ports. A newer computer will likely also need a USB adapter, below.
Works with ADTPro transfer software, below.
USD$23.95
Apple IIgs, IIc+, LC III null modem
Approximately 6 feet long, made with shielded cable. Converts the Apple IIgs, IIc+, or the Mac LC III modem port to a female DE-9 connector, typical on older PCs with RS-232 serial ports. A newer computer will likely also need a USB adapter, below.
Works with ADTPro transfer software, below.
Apple ///, Super Serial null modem
For connecting an Apple /// to a typical PC port, this cable has a 25-pin male DB25 connector on one end and a female 9-pin DE9 connector on the other. It is wired as a null modem. It could also be used with a Super Serial card with the jumper block on the Super Serial card pointing towards the word “Modem.” See here for details.
Works with ADTPro transfer software, below.
DB25M to DE9F Adapter – Straight Through
For connecting an Apple Super Serial card to a typical PC port, this cable has a 25-pin male DB25 connector on one end and a female 9-pin DE9 connector on the other. It is wired straight through, and so requires the jumper block on the Super Serial card to be pointing towards the word “Terminal.” See here for details.
Works with ADTPro transfer software, below.
Apple /// Keyboard Lamp
New replacement incandescent keyboard lamp for the Apple ///. Without a working keyboard lamp, the Apple /// will not pass initial diagnostics.
USB to RS-232 Adapter – PC or Macintosh
Converts a PC or Macintosh USB-A port to a male DE-9, RS-232 connector. This, coupled with one of the null modems above, will complete the circuit from a modern Mac or PC that only has USB-A ports to an Apple II. This adapter is approximately 3 feet long, and each adapter sold is tested specifically with ADTPro to ensure compatibility.
This adapter uses the FTDI chipset, not the lower-cost Prolific chipset which is usually poorly cloned in other very low-cost adapters. The FTDI chipset has proven to be much more reliable, and is the reason we stock this specific one.
Drivers for Mac, Linux, and Windows are available from the manufacturer’s website.
Works with ADTPro transfer software, below.
USD$19.95
Converts a newer Macintosh or PC USB-C port to a male DE-9, RS-232 connector. This, coupled with one of the null modems above, will complete the circuit from a modern Mac or PC that only has USB-C ports to an Apple II. This adapter is approximately 3 feet long, and each adapter sold is tested specifically with ADTPro to ensure compatibility.
This adapter uses the FTDI chipset, not the lower-cost Prolific chipset which is usually poorly cloned in other very low-cost adapters. The FTDI chipset has proven to be much more reliable, and is the reason we stock this specific one.
Drivers for Mac, Linux, and Windows are available from the manufacturer’s website.
Works with ADTPro transfer software, below.
Blank 5-1/4″ Disks, Double Sided/Double Density (DS/DD) Box of 10
Athana Brand Blank 5-1/4″ Disks, box of 10. Sealed and unused.
Blank 5-1/4″ diskettes – box of 10 USD$15.95 |
Save on TWO boxes Athana Brand Blank 5-1/4″ Disks, TWO boxes of 10. Sealed and unused. Blank 5-1/4″ diskettes – TWO boxes of 10 USD$25.95 |
Apple II, Apple /// ADTPro Software Diskettes
ADTPro is a software program that will transfer entire disk images from Apple II and Apple /// computers to modern computers over one of several communications methods:
- Serial cables (available above)
- Audio cables
- Ethernet network (with Apple II Uthernet, Uthernet 2, or LANceGS card)
ADTPro is open source software, and is available free. The price of this item is only for the physical diskette to be created for you. See the ADTPro web page for complete instructions. You will need to download the server side of the software from there as well.
ADTPro for Apple II, 5-1/4″ ProDOS disk USD$9.95 |
ADTPro for Apple ///, 5-1/4″ SOS disk USD$9.95 |
ADTPro for Apple II, 3-1/2″ ProDOS disk USD$9.95 |
Tandy PDD Disks – Utility and Spare Blank
Utility/boot disks for Tandy PDD1 (Catalog 26-3808) and PDD2 (Catalog 26-3814) plus a blank, formatted spare disk. This will give you the ability to “boot” the disk operating software on your Tandy 100/102/200 for use with your connected PDD1 or PDD2 disk drive. Included is one blank disk formatted for the disk drive type you order.
Tandy PDD1 Utility Disk (Catalog 26-3808), 100k with spare blank disk USD$19.95 |
Tandy PDD2 Utility Disk (Catalog 26-3814), 200k with spare blank disk USD$19.95 |