help needed installing USB to Serial Cable for ADTPro

Joe Giliberti starbase89 at
Sun Mar 12 15:57:54 CDT 2017

The bootstrapping option is grayed out in ADT so I can't do that. I
don't have access to my usual tools for the next few days, so I can't
loop the pins

On Sun, Mar 12, 2017 at 5:28 AM, Adrian Graham via cctalk
<cctalk at> wrote:
> On 12/03/2017 01:52, "Joe Giliberti via cctalk" <cctalk at>
> wrote:
>> Not great news :(
>> The computer recognized the serial port on COM5 and ADTPro says that
>> it is connected. I am using the null modem cable from RetroFloppy for
>> the //c and the Radioshack cable with the Prolific chipset (I switched
>> over to this one because I thought this problem was caused by the
>> other cable.) I set the working directory in ADT where the DSK files
>> are and set the baud rate in Windows, ADT on the PC and ADT on the //c
>> all to 19200. When I boot up the //c, I select (R)ecieve, punch in the
>> filename, hit enter and...Host Timeout.
>> Any idea what might not be working now?
>> I really appreciate everyone's help
> You can check if the PC is talking to the //c by doing a bare metal
> speediboot - this will check the comms are working:
> Can you do a lookback test on the USB adapter by looping pins 2&3 then using
> PuTTY to talk to itself?
> --
> Adrian/Witchy
> Binary Dinosaurs creator/curator
> - the UK's biggest private home computer
> collection?

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