I have a number of spare PCB's left over from my replica projects which I offer here:
I regularly get asked 'what boards do I need to build a System x ?' so I have created a Build Guidance page to help.
| Item | Picture | Available | Price |
| Keyboards | |||
| Replica ASCII Keyboard PCB (Original Atom case version) |
 |
4 | £24.20 |
| ASCII Keyboard PCB (Alternative Electron case version) |
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1 | £19.50 |
| Backplanes | |||
| Backplane 8-Slot Buffered PCB (with B-side tracked) |
 |
3 | £11.80 |
| Backplane 10-Slot Unbuffered PCB (with B-side tracked) |
 |
3 | £11.40 |
| Backplane 12-Slot Buffered PCB (with B-side tracked) |
 |
0 | £12.90 |
| Backplane 14-Slot Unbuffered PCB (with B-side tracked) |
 |
0 | £14.40 |
| Backplane 14-Slot Unbuffered Wide PCB (with B-side tracked) |
 |
3 | £19.60 |
| Backplane Extender Board PCB |
 |
4 | £11.90 |
|
Backplane Extender Board Kit including the five 64-way connectors required some of which are hard to find, you just need to add a length of 64-way ribbon cable |
 |
1 | £40.00 |
| There are also smaller backplanes avaliable that are part of the FileStore E10E and MK14E projects. | |||
| Memory Boards | |||
| Replica 8K RAM + 8K ROM Board PCB |
 |
2 | £9.60 |
| Replica 32K Dynamic RAM Board PCB |
 |
0 | £9.60 |
| Replica CUMEM Universal Memory Carrier Board PCB |
 |
3 | £9.60 |
| Dual Port RAM Board PCB |
 |
0 | £5.00 |
| Video Boards | |||
| Replica 40x25 VDU (Teletext) Interface Board PCB |
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0 | £9.60 |
| Replica 80x25 VDU Interface Board PCB |
 |
2 | £9.60 |
| 80x25 VDU Interface (Enhanced) Board PCB |
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3 | £9.60 |
| Processor & Interface Boards (also see Acorn System 1 below) | |||
| Replica 6502 CPU Board PCB |
 |
0 | £9.60 |
| Replica 6502A CPU Board PCB |
 |
2 | £9.60 |
| Replica Versatile Interface Board (VIB) PCB |
 |
3 | £11.50 |
|
Replica Floppy Disk Controller
Board PCB (this version incorporates my fix to ensure reliable 3.5" drive operation) |
 |
4 | £9.60 |
| Replica Econet Node Board PCB |
 |
4 | £9.60 |
| Programmers | |||
| Replica PROM Programmer Board PCB |
 |
0 | £9.50 |
| PROM Programmer Power Supply PCB |
 |
4 | £3.80 |
| PROM Programmer Front Panel PCB |
 |
1 | £1.80 |
| Tesla PROM Programmer PCB with optional Front Panel PCB |
 |
2 | £14.70 |
| Acorn System 1 | |||
| System 1 Trainer PCB |
 |
4 | £13.50 |
|
System 1 Trainer EPROM New Mitsubishi M5L2732K programmed with the System 1 Monitor and Applications |
 |
1 | £10.00 |
| Pair of Tesla MH74S571 PROMs
programmed with
Acorn System 1 Monitor
(for original System 1) Low nibble IC6 Yellow dot High nibble IC5 Blue dot |
 |
1 | £15.00 |