SC522 is a modular backplane designed for Z50Bus.
| Reference | Qty | Component |
| PCB | 1 | SC522, v1.0, PCB |
| JP1 | 1 | Header, male, 1 x 3 pin, angled |
| Jumper shunts | 1 | Jumper shunt |
| P1 | 1 | Header, male, 2 x 25 pin, straight |
| SK1 to SK7 | 7 | Header, female, 2 x 25 pin, straight |
| Feet | 6 | Self-adhesive feet, or Other PCB support |
Small Computer Central 