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 adaptor board and the Monitor is replaced with a new ROM with a new Supermon.
Scans from Synertek Products Guide.
There were also SYM-1’s available with the Motorola processor 6802 : SYM-1/68 and 6809: SYM-1/69.
![]() |
SYM-1/69 SYM-1 supplement manual ROM of MOD 69, 2-9002-129 MOD 69 Hi 2-9002-12 MOD 69 Lo PROM 82S129 of MOD 69 (2103 marked IC in photos below |
See also:
Rockwell AIM 65 books
AIM 65 Laboratory Manual And Study Guide Rockwell Produktübersicht in deutsch Rockwell Microelec...
AIM 65 Laboratory Manual And Study Guide Rockwell Produktübersicht in deutsch Rockwell Microelec...
Rockwell SPS
The R6500 Software Preparation System (SPS) is a low cost software development system for the R6500 family, for the 65C0...
The R6500 Software Preparation System (SPS) is a low cost software development system for the R6500 family, for the 65C0...
KIM-1 programs by Nils
Nils a.k.a. netzherpes typed in a number of KIM-1 programs to run on his PAL-1, the KIM-1 compatible clone. Not only do...
Nils a.k.a. netzherpes typed in a number of KIM-1 programs to run on his PAL-1, the KIM-1 compatible clone. Not only do...
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...