Circuit Diagrams
I am starting to collect together as many circuit diagrams relating to the Nascom and Gemini systems as possible. This is very much a personal collection, so please don't ask me to produce copies unless you are *really* stuck. It's not that I mind, but I just don't have the facilities to produce copies in any quantity.
I only have manuals for items marked "M".
Of course, if you feel the need to contribute something...
The collection so far:
| NASCOM-1 | M | Main |
| NASCOM-1 | M | Video |
| NASCOM-1 | M | Keyboard |
| NASCOM-2 | M | CPU |
| NASCOM-2 | M | Input/Output |
| NASCOM-2 | M | Memory |
| NASCOM-2 | M | Video |
| NASCOM-2 | M | Power dstribution |
| Nascom | M | Buffer board |
| Nascom | M | RAM A board |
| Nascom | I/O board | |
| Nascom | 3A Power supply | |
| Lucas Logic | M | RAM B board |
| Gemini | M | GM803 EPROM/ROM |
| Gemini | M | GM808 Bits&PCs 2708/2716 EPROM programmer |
| Gemini | M | GM809 FDC |
| Gemini | M | GM812 IVC - hardware manual wanted |
| Gemini | GM813 CPU | |
| Gemini | GM829 FDC | |
| Gemini | M | GM832 SVC |
| Gemini | M | GM849 FDC/SCSI (incomplete manual) |
| Gemini | M | GM849A FDC/SCSI (incomplete manual) |
| Arfon | Speech synthesizer for NASBUS |