Introduction
2. Introduction
Thank you for purchasing an individual Computers product. It is important to read the following
instructions carefully before attempting installation. Individual Computers cannot be held
responsible for any damage caused due to incorrect installation.
Before installing Keyrah in the case of a C128, C64, VIC-20 or C-16, please remove the mainboard
of the old computer. Use the screws of the mainboard to mount Keyrah. Older "breadbox“ models
of the C64 and the VIC-20 also have a metal bracket on the side of the mainboard that should be
mounted on Keyrah.
Connect the keyboard to the connector that's labelled with the type of your computer. The
orientation of the cable is determined by a missing pin ("key pin") in the connector.
Keyrah should not be used without a case.
For connection to a computer, use a USB type-b to type-a cable of your choice. If you're making a
special case with Keyrah and a computer mainboard in the same casing, you can also use the
internal USB-connector. The pinout is printed on the board itself, including the colours that are
usually used for internal USB cabling. You can only use one of the two USB-connections!
You do not need special drivers for using Keyrah on an Amiga, Mac or PC. Just plug it in, and
driver installation will happen automatically.
Attaching and detaching Keyrah can be done without shutting down the machine (so-called hot-
plugging) – however do not attach or detach it when the host computer is currently in sleep mode.
Changing the switch position can also be done while the computer is in use, re-starting the machine
is not necessary.
Technical hints
Keyrah is a USB-only device. Connection to a PS/2 port with an adapter is not possible.
The connector for A600 LEDs is exactly the same as the power connector for 3.5“ floppy drives.
You must not connect any power here! Commodore's choice for this connector is surely a bad one,
but we want to keep Keyrah as easy to install as possible, so we've kept the connector shape. We
trust that you believe us that Keyrah works fine without additional power!
Please only connect the devices mentioned in 3.1 Keyboards and 3.3 Joystick Ports.
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