What is the Myarc 9640/Geneve?
A few years after TI dropped the 99/4A, a third party supplier of 99/4A peripherals (Myarc) completed a design for a replacement computer which had many enhancements over the 99/4A. This machine was originally to be called the “Myarc 9640 Family Computer”, but Myarc suddenly decided to use the name “Geneve” which is not universally liked. The computer is a card for the 99/4A Peripheral Expansion Box which replaces the interface card used to connect to a 99/4A console. In its standard configuration, the 9640 is 3-5 times the speed of a 99/4A and comes with 512K of CPU RAM, 128K of video RAM, a battery-backed clock chip, joystick and mouse ports, and an IBM PC/XT keyboard. The video processor provides significantly better graphics, as well as 80 column text display, with an analog RGB (not VGA) monitor. The native operating system is an MS-DOS clone called MDOS, and 99/4A software is run with an emulation utility called the “GPL Environment”. In either MDOS or GPL, some of the system RAM
