[Coco] RS-232 Pak problems

[Gene Heskett]

On Saturday 03 February 2018 20:27:43 rietveld rietveld wrote:

> The deluxe Rs232 pak does not work with the coco3
>
Unless you have a multipak. The coco3  has no +-12 volts on the cart 
connector.

> Sent from my BlackBerry Passport Red Edition.
>   Original Message
> From: Allen Huffman
> Sent: Saturday, February 3, 2018 8:21 PM
> To: CoCoList for Color Computer Enthusiasts
> Reply To: CoCoList for Color Computer Enthusiasts
> Subject: [Coco] RS-232 Pak problems
>
>
> I am trying to fire up my RS-232 Pak for the first time in ages.
>
> I have a CoCo 3, and upgraded old-style MultiPak, and CoCoSDC,
> SuperIDE and RS-232 Pak plugged in.
>
> When I try to run Greg-E-Term or Ultimaterm and use it, I don’t seem
> to get anything.
>
> If I boot into OS-9, and use the /t2 and sc6551 drivers, I can echo
> modem commands and I see the TX lights blink, and I see the RX light
> blink back long response strings - it is getting the message.
>
> But, under the OS-9 terminal programs I have tried (like Supercomm),
> my typing goes out, but I never see input.
>
> echo ATI2 >/t2 ; dump </t2
>
> …shows no return input, even though I see the lights blinking strings
> of return info.
>
> I am puzzled at why the RS-DOS programs don’t work but OS-9 at least
> partially does.
>
> Also, I cannot run the ROM in the Pak:
>
> EXEC 49152 / EXEC &HC000 — crashes in spectacular ways.
>
> I even tried it with the pak plugged direct to the CoCo 3.
>
> I’ve moved slots around, too, with SDC in 4 and RS232 in 1, in case
> something was hard coded.
>
> What am I forgetting?
>
>                 — Allen
>
>
> --
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> Coco at maltedmedia.com
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-- 
Cheers, Gene Heskett
--
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