I amselling a brand new Videx Soft Video Switch (80/40 Column video auto switcher)for the Apple II and Apple II plus.
Unlikecompetitors this Softswitch comes COMPLETE with wiring harness. Plug it in andgo. No need to wire it up yourself!
With this board you nolonger have to switch the video connection on your Apple II between the 80column video out on your Videx 80 col card and your onboard Apple II 40column video signal.
This board is made of allnew components and is built and tested complete with wiring harness. Plug it inand you are up and running in 1 minute.
This board was designedby. And all credit for the design and implementation goes to him!
You need to supply theApple II or II plus computer and the Videx video card or clone, this Soft Videoswitch does the rest.
Installation.
1)Turn the Apple ll off andremove the cover.
2) Locate the IC chip atlocation F14 on the motherboard. lt is the second chip down from the game l/Osocket. The chip is either a 9334 or a 74LS259 (This chip is not included asits already part of your apple II and your system cant boot without it).Carefully remove this chip with an IC puller or a small flat bladedscrewdriver. Set this chip aside.
3) Plug the Soft Video Switch into the F-14socket. The Pin header connectors should face towards the keyboard.
4)Connect the 80 col singlewire to the second pin down on your videx card or clone.. see photo.
5)Connect the video input insignal wires from the Apple II mainboard. It is the 4 pin connector just behindthe Apple II onboard video out jack. You want to connect to the twoinner pins with the Yellow paint FACING the onboard video out jack on themainboard.
6) Make surethe main wire harness of the soft switch has the yellow paint facing up towardsthe LID and make sure all your connections arecorrect! See photos and message me for any help or questions.
I have been selling on for over 23 years. Please see my response and contact me with anyquestions before making a purchase.
