Products / Sum A234/CD32

Sum adapter enables connecting USB HID keyboards to your Amiga 2000/3000/4000/CD32. Sum is based upon 16-bit Microchip microcontroller.

Sum provides built-in USB stack which enables USB HID keyboards support without the need for installing additional AmigaOS software drivers. The whole installation process comes down to simply connecting a Sum adapter’a plug to the keyboard port of your Amiga A2000/A3000/A4000/CD32.

Additional feature of the adapter is its „Bootloader” function allowing future firmware upgrades.
Sum comes with dedicated configuration mode, which becomes available when one presses simultaneusly R-Shift + Pause keys. User preferences are saved to the built-in EEPROM memory – thanks to which when you reconnect the device – it is already configured!


Features of Sum A234/CD32

 

  • support for both USB HID and USB-PS/2 keyboards,
  • A2000/A3000/A4000/A4000/CD32 compatibility,
  • included PS2-DIN adapter,
  • built-in USB stack,
  • configuration mode for PC keyboard (activated by R-Shift + Pause key combination),
  • configuration mode for Mac keyboard (activated by R-Shift + F19 key combination)
  • built-in EEPROM memory enabling user preferences storage,
  • „Bootloader” function allowing future firmware upgrades,
  • „Status” indicator LED providing information about device’s state,
  • built around 16-bit Microchip microcontroller utilizing nanoWatt technology,

 
 

 


Entering configuration mode (R-Shift + Pause)

  • F1 - RESET type - software (A2000,A3000,A4000,CD32,CDTV) or hardware (A600,A1200),
  • F2 - mapped Amiga Right to Alt Right,
  • F10 - view keycode (on / off),
  • F12 - display configuration

 


Mapping keys

Amiga keys USB keyboard
Amiga reset CTRL + L-Win + R-Win
CTRL + L-Alt + R-Alt
CTRL + L-Alt + Del
Help F12
L-Amiga L-Win
R-Amiga R-Win


User manual:

 

Quick Guide:


Bootloader (Windows):
SumFlasher_Setup_v0.5.exe


Firmware:
Sum_20160619.7z
Sum_20151017.7z


 

 

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