Products / Sum A1000
Sum adapter enables connecting USB HID keyboards to your Amiga 1000. 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 A1000.
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 A1000
- support for both USB HID,
- Amiga 1000 compatibility,
- built-in USB stack,
- configuration mode for PC keyboard (activated by R-Shift + Pause 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 |
Firmware:
Sum_20240924.7z
Sum_20210923.7z
Sum_20210916.7z
Sum_20160619.7z
User manual: 
Software:
[Windows] - SumFlasher_Setup_v0.5.exe