DIP switches

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F256K DIP switches[edit | edit source]

The following might be slightly outdated.

Source: https://github.com/ghackwrench/F256_MicroKernel/tree/master/docs#dip-switches

  1. Enable boot-from-RAM
  2. Reserved (potentially for SNES gamepad support)
  3. Enable SLIP based networking
  4. Feather board installed (eg Huzzah 8266 WiFi)
  5. SIDs are installed
  6. F256: CBM keyboard installed; F256k: reduced TCP window size.
  7. ON: 640x480, OFF: 640x400 (not yet implemented)
  8. Enable gamma color correction


When boot-from-RAM is enabled, the kernel will search the first 48k of RAM for pre-loaded programs before starting the first program on the expansion cartridge or the first program in flash.

F256K2 DIP switches[edit | edit source]

Switch Binary Value Context
1- ON/ 2- ON 0 0 Load 0 - F256K2c Load
1- OFF/ 2- ON 1 0 Load 1 - F256K2e Load
1- ON/ 2- OFF 0 1 Load 2 - F256K2 FNX6809 Load
1- OFF/ 2- OFF 1 1 Load 3 - Mister Foenix (I suppose)