diff --git a/README.md b/README.md index 2264424..df6fa81 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,26 @@ # psion_pccard_network +### PC Card Adapter Flow + +Psion --> rs232 --> max3243cai --> ttl --> Siemens CAB C165 LF --> PCMCIA + +### Notes +* The C165 does not have hardware flow control pins (just rx/tx) so must bit-bang the flow control. +* The cable has 10 pins and is socketed - looks like molex +* Cable wires: + * Black (sheathed) + * Blue + * Brown + * Red + * White + * Yellow + * Black + * Green + * Orange + * Red/White +* Looks like there are 2 extra wires in the cable that aren't used and cut down. + +### ToDo +* Identify wires + * First will just continuity test against the max3243 + * https://hackaday.io/project/161291-the-last-psion/log/157679-striving-for-simplicity-a-psion-serial-honda-to-usb-cable \ No newline at end of file