These are the parts required to build SC125, v1.0, Z80 Serial card.
| Reference | Qty | Component |
| PCB | 1 | SC125, v1.0, PCB |
| C1 to C6 | 6 | Capacitor, ceramic, 100 nF |
| JP1 and JP2 | 2 | Header, male, 1 x 2 pin, angled |
| JP3 and JP4 | 2 | Header, male, 1 x 3 pin, straight |
| JP5 plus JP6 | 1 | Header, male, 1 x 6 pin, straight |
| JP1 to JP6 | 6 | Jumper shunt |
| P1 | 1 | Header, male, 2 x 25 pin, angled |
| P2 and P3 | 2 | Header, male, 1 x 6 pin, angled |
| R1 to R8 | 8 | Resistor, 2k2, 0.25W |
| R9 to R12 | 4 | Resistor, 100k, 0.25W |
| R13 | 1 | Resistor, 10k, 0.25W |
| U1 | 1 | 74HCT138 |
| U1 socket | 1 | 16-pin DIP socket |
| U2 | 1 | Z80 SIO/2, Z84C4208PEG |
| U2 socket | 1 | 40-pin DIP socket |
| U3 | 1 | 74HCT08 |
| U3 socket | 1 | 14-pin DIP socket |
| U4 | 1 | Z80 CTC, Z84C3008PEG |
| U4 socket | 1 | 28-pin DIP socket |
| X1 | 1 | Oscillator, 1.8432 MHz |
| X1 socket | 1 | 8-pin DIP socket |
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