The SYM-2 was an evolution of the SYM-1.
From the press release:
Synertek has introduced the SYM-2, which offers a choice of microprocessor (6502, 6809 or 6802). The SYM-2 is software compatible with the SYM-1 and adds some hardware features: on-board power supply , eight toggle switches for input, eight LEDs to display outout in binary and cassette interface jacks. Hardware compatibility between the two SYMs ensure that RAM and disk interface devices that work with one will work with the other. Designed for learning computer hardware fundamentals, the SYM-2 sells for $249 from Synertek Inc.
See also:
Galactic Expansion Board
When I got a SYM-1 again, I needed to add ROMs, RAM and it would be nice to have the 1541 DOS finally operational (I had...
When I got a SYM-1 again, I needed to add ROMs, RAM and it would be nice to have the 1541 DOS finally operational (I had...
C, Basic, RAE on the SYM-1
Wayne Parham of Parhamdata has an interesting page on his VIM-1 and SYM-1 systems. He has written some interesting pa...
Wayne Parham of Parhamdata has an interesting page on his VIM-1 and SYM-1 systems. He has written some interesting pa...
SYMulator a SYM-1 emulator
SYMulator is a working SYM-1 simulator by Andrew Dunn for Windows. It is based on a modified version of Daryl Rictor's ...
SYMulator is a working SYM-1 simulator by Andrew Dunn for Windows. It is based on a modified version of Daryl Rictor's ...
SYM-1 MOD-68 MOD-69
MOD-68, MOD-69, SYM-1/68, SYM-1/69 The MOD-69 and MOD-68 replace the 6502 with a Motorola 6809 or 6802 CPU on an adapto...
MOD-68, MOD-69, SYM-1/68, SYM-1/69 The MOD-69 and MOD-68 replace the 6502 with a Motorola 6809 or 6802 CPU on an adapto...