What is it?

Imperium Solo is a board used to add USB game controllers and Mouse via the Joystick (DB9) port to old retro computers.
You can read more here!

Configuration (only for PCB v1.0.4, which has jumpers):
Manual

Videos:
Imperium Solo - Amiga
Imperium Solo - Amiga CD32
Imperium Solo - Atari ST
Imperium Solo - Amstrad
Imperium Solo - C64
Imperium Solo - SEGA MegaDrive/Genesis

Reviews:
Review by Amigos Retro Gaming
AUA review (Spanish)

Tested USB devices

Visit the USB Device Database, to see which devices have been tested and their status, button mapping and more.
Imperium Solo

USB Device Database

Installation

AMIGA
Just plug into the desired joystick port. If the inserted USB gamepad is using more than 50mA it is recommended to use an external power supply (see the Manual).

ATARI ST
Just plug into the desired joystick port.

AMSTRAD
Connect the Y splitter cable to the 5V of the Amstrad CPC, to the 5V power supply and to the Imperium Solo adapter.
IMPORTANT: The Imperium Solo must be connected to the same powersupply as the Amstrad via DC Y-splitter cable.
DO NOT CONNECT TO 12V! It will damage your CPC and/or the Imperium Solo. TAKE CARE!

C64
Just plug into the desired joystick port. Notice do not connect/disconnect Imperium Solo from the joystick port while the C64 is on.

SEGA MegaDrive / Genesis
Just plug into the desired joystick port.

Amiga CD32
Just plug into the desired joystick port.

Upgrading

To upgrade Imperium Solo adapter, please download latest firmware below.
Extract the file IMPERSOL.BIN from the .zip archieve to the root directory of a FAT32 USB stick.
Make sure Imperium Solo is turned off.
Insert the USB stick and power on the Imperium Solo.
Wait some seconds until the Imperium Solo LED starts flashing.
Now it is upgraded and you can remove the USB stick.

Firmware downloads

2020-07-20 : Imperium Solo - Amstrad firmware v1.1.6
2020-07-20 : Imperium Solo - Commodore 64 firmware v1.1.6
2020-07-20 : Imperium Solo - Amiga firmware v1.1.6
2020-07-20 : Imperium Solo - Atari ST/STE firmware v1.1.6
2020-07-20 : Imperium Solo - Amiga CD32 firmware v1.1.6

Mouse mode fixes

2020-07-04 : Imperium Solo - Amstrad firmware v1.1.5
2020-07-04 : Imperium Solo - Commodore 64 firmware v1.1.5
2020-07-04 : Imperium Solo - Amiga firmware v1.1.5
2020-07-04 : Imperium Solo - Atari ST/STE firmware v1.1.5
2020-07-04 : Imperium Solo - Amiga CD32 firmware v1.1.5

Added ability to swap buttons UP & FIRE 2, by pressing simultaneously ↑↓←→. This feature was not added for SEGA MD/Genesis as I am not sure it is useful?
Fixed mouse bug for Atari ST, Amiga & CD32, which would not permanently press lmb/mmb/rmb when held.

2020-05-24 : Imperium Solo - Amstrad firmware v1.1.4
2020-05-24 : Imperium Solo - Commodore 64 firmware v1.1.4
2020-05-24 : Imperium Solo - Amiga firmware v1.1.4
2020-05-24 : Imperium Solo - Atari ST/STE firmware v1.1.4
2020-05-24 : Imperium Solo - SEGA MegaDrive/Genesis firmware v1.1.4
2020-05-24 : Imperium Solo - Amiga CD32 firmware v1.1.4