| A | B |
| P8 & P9 | AT Motherboard connector |
| P1 | ATX Motherboard connector |
| Power supply leads | Connect to PC's internal components |
| Molex | Large Drive Connector |
| Berg | Small Drive Connector |
| SATA | Serial ATA |
| ATX Pwr | Controlled by Motherboard |
| AT Pwr | Controlled by Power Supply |
| Blue wire | -12 Volts |
| Black wire | Ground |
| Yellow wire | +12 Volts |
| Red Wire | +5 volts |
| Orange Wire | Power Good Signal |
| Black on Black rule | P8 & P9 black pinouts side by side |
| 4 pin P4 | ATX12V |
| 6 pin PCIe | Powers PCIe expansion cards |
| 3 Prong Male Power Connector | The required socket |
| Femaile Socket | The optional socket |
| Voltage switch | Permits power to alternate between two settings |
| 120 V 60Hz | US Power Standard |