Q40 (motherboard)

The Q40 and Q60 (sometimes known generically as the Qx0 series) are computer motherboards designed in the late 1990s, based on the Motorola 68040 and 68060 microprocessors respectively and intended to be partially compatible with the Sinclair QL microcomputer.

[2][3] The Q40 and Q60 motherboards were designed by Peter Graf of Germany[1] and manufactured by D&D Systems of the United Kingdom.

[2] The Q40 consists of a sub-AT form factor board comprising a 40 MHz 68040 processor, 1 MiB of video RAM, and several PLDs implementing a QL-compatible video display generator, an ISA bus, stereo 20 kHz audio DACs and an AT keyboard interface.

Also included are sockets for two ROM devices, 2 kiB of non-volatile RAM and a real-time clock.

In 2013 Peter Graf announced that he was working on the Q68, a FPGA based QL compatible single board computer.