# PCI - Parallel and Serial Ports

## Duties

Make available the original type of ports the original device had, in roughly the same positions

These ports consist of:
- 1 Parallel Port
- 1 External 9-pin Serial Port
- 1 Internal Serial Port, for the modem

## Parts

While still undecided, some candidates are available.
- ASIX MCS9901 PCIe to Dual Serial and Single Parallel Controller
- Prolific PL2303GC USB to Full UART IC
- Prolific PL-2303HX USB-Serial Bridge
- WCH CH340 USB-Serial chip