| Item | Part Type | Description |
| PCB | 202,007 iss 1 | |
| PL1 | 24-pin plug | |
| PL2,PL3 | 16-pin plug | |
| PL4 | 14-pin plug | |
| U1 | 23128 | 16K ROM, BBC BASIC |
| U2 | ROM_2532 | 4K ROM, Atom to BBC MOS |
| U3 | ROM_2532 | 4K ROM |
| U4 | ROM_2132 | 4K ROM |
| U5,U6,U7,U8 | 2114 | Provides an extra 2K of RAM |
| U9 | 74LS138 | 1-of-8 decoder |
| U10 | 74LS??? | |
| U11,U12 | 74LS157 | Quad 2-to-1 multiplexer |
| U13 | 74LS04 | |
| U14 | 74LS30 | |
| U15 | 74LS??? | |
| U16 | 74LS00 | |
| U17 | 74LS32 | |
| R1 | 10K | |
| C1 | 10u 25V | LF decouplers |
| C2-6 | ? | HF decouplers |
| LK1 | 4-pin header |