Tag: device id

2 matching upgrades

Showing 2 products.

StatusProductWhat it doesCompatibilityLinks
AvailableChecked Jul 27, 20265cfab 1090XL CX-85 Interfaceby 5cfab
1090xl1091xldevice id

Connects an Atari CX-85 numeric keypad through a 1090XL-family expansion slot with an onboard input handler.

The page reported two cards in stock on 2026-07-27. A 1090XL or 1091XL base system and an Atari CX-85 keypad are required. Current compatibility is limited to software that obtains input through the Atari operating system.

Sources
  • 1090XL-family expansion systems Exact model
  • Atari 600XL Bus/interface
  • Atari 800XL Bus/interface
5cfab CX-85 interface
AvailableChecked Jul 27, 2026Commodore 1541 Device ID Switcherby TheRetroChannel
floppy drive1541device idinterposerdrive switcher

6522 VIA interposer that changes a Commodore 1541 drive between device IDs 8 through 11 without cutting its original jumpers.

TheRetroChannel listed five boards in stock on Lectronz on 2026-07-27. External wiring and DIP switches are not included. A drive with a soldered 6522 first needs the chip desoldered and a socket installed; an external switch may require case cutting.

Sources
  • Commodore 64 Bus/interface
  • Commodore VIC-20 Bus/interface
  • Commodore Plus/4 Bus/interface
  • Commodore 128 Bus/interface
Commodore 1541 Device ID Switcher product page