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README.txt

README.txt (2016-09-28)

C64 Switchless Multi Kernel Switch
- 27C256 rom adapter for C64's with long motherboard

Designed by BWACK.
CERN OPEN HARDWARE LICENSE v1.2
http://www.ohwr.org/

The Eagle CAD files are available on GitHub:
https://github.com/bwack/C64-Switchless-Multi-Kernal-27C256-adapter

All text above must be included in any redistribution

Note: longboards (not 250469) and shortboards (250469) are sometimes mixed up with C64C and C64, so you must open the machine up to be sure you've got the longboard.

Project links:
  lemon64:  http://www.lemon64.com/forum/viewtopic.php?p=747333
  playlist: https://www.youtube.com/watch?v=oGaI8yLwjh4&list=PLtQOf_JULmrQTB7486X5pXG1Aaxbl_RdE
  OSH Park: https://oshpark.com/profiles/bwack
  Github:   https://github.com/bwack/C64-Switchless-Multi-Kernal-27C256-adapter

Changelog:
Rev 1.13 (2016-09-28): Moved IC2 down to clear space for the socket in the c64.
                       Changes to the silk screen.
Rev 1.12 (2016-09-18): Increased padd and hole sizes. Removed ground fill from top layer.
         (2016-09-17): Added CERN OHL v1.2 License.
Rev 1.11 (2016-09-10): RGB Led header following RGB led pinout (Blue-Green-GND-Red).
                       Editted silkscreen.
Rev 1.1  (2016-09-08): sch+brd. Swapped signals #RESTORE and RED_LED, because GP3 on the
                       MCU is input only.
Note: The schematic revision follows the board revision number.
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