VGA Connector
| 15 pin mini D-SUB | Signal Name | Direction | Description |
| 1 | RED | Out | Red Video Signal (1 Vpp) |
| 2 | GREEN | Out | Green Video Signal (1 Vpp) |
| 3 | BLUE | Out | Blue Video Signal (1 Vpp) |
| 4 | - | - | No Connection |
| 5 | - | - | No Connection |
| 6 | RGND | - | Red Ground |
| 7 | GGND | - | Green Ground |
| 8 | BGND | - | Blue Ground |
| 9 | - | - | No Connection |
| 10 | SGND | - | Sync Ground |
| 11 | GND | - | Ground |
| 12 | SDA | In/Out | VESA DDC Data channel |
| 13 | H Sync | Out | Horizontal Synchronization Pulse |
| 14 | V Sync | Out | Vertical Synchronization Pulse |
| 15 | SCL | In | VESA DDC Clock |
Serial Port
| DB 25 Female | DB 9 Female | Signal Name | Direction | Description |
| 1 | - | - | - | Protective Ground |
| 2 | 3 | TX | Out | Transmitted Data |
| 3 | 2 | RX | In | Received Data |
| 4 | 7 | RTS | Out | Request To Send |
| 5 | 8 | CTS | In | Clear To Send |
| 6 | 6 | DSR | In | Data Set Ready |
| 7 | 5 | - | - | Signal Ground |
| 8 | 1 | DCD | In | Data Carrier Detect |
| 20 | 4 | DTR | Out | Data Terminal Ready |
| 22 | 9 | RI | In | Ring Indicator |
| 23 | - | DSRD | In/Out | Data Signal Rate Detector |
Parallel Port
| DB 25 Male | Signal Name | Direction | Description |
| 1 | /STR | In/Out | Data Strobe (Falling edge) |
| 2 | D0 | In/Out | Data Bit 0 |
| 3 | D1 | In/Out | Data Bit 1 |
| 4 | D2 | In/Out | Data Bit 2 |
| 5 | D3 | In/Out | Data Bit 3 |
| 6 | D4 | In/Out | Data Bit 4 |
| 7 | D5 | In/Out | Data Bit 5 |
| 8 | D6 | In/Out | Data Bit 6 |
| 9 | D7 | In/Out | Data Bit 7 |
| 10 | /ACK | In | Data Acknowledge (Active Low) |
| 11 | BSY | In | Busy Flag (Indicates that peripherial si not able to receive data) (Active High) |
| 12 | PAP | In | Out of Paper Flag (Active High) |
| 13 | OFON | In | OnLine Flag (Active High) |
| 14 | /ALF | In/Out | Auto Line Feed (Active Low) |
| 15 | /ERR | In | Error Flag (Active Low) |
| 16 | /INI | In/Out | Initialization Request (Active Low) |
| 17 | /DSL | In/Out | Peripherial Select (Active Low) |
| 18-25 | GND | - | Ground |