[Coco] Drivewire 3 cabling problem

[Chad H]

Figured out that there is issue with port on PC.. both cables I made are 10 ft and work flawlessly off other port

Mark Ormond <markormond at mtxsystems.com> wrote:

>Sounds like you are having the same problems I was. I assume you are using the built in serial port of your computer, correct?
>I wasn't able to go over 2 or 3 feet using the internal port on any of my intel motherboard (These are real intel branded boards.)
>I installed a pci serial card, and I'm running the coco3 off of 2 serial cables plugged into each other for a total of 35'.
>Works great on the card, doesn't work at all on the motherboard serial port. I think alot of the onboard serial ports are not following true rs232 specs for tx/rx voltages.
>
>Later,
>dabone
>
>
>-----Original Message-----
>From: coco-bounces at maltedmedia.com [mailto:coco-bounces at maltedmedia.com] On Behalf Of Robert Gault
>Sent: Sunday, April 29, 2012 7:11 PM
>To: CoCoList for Color Computer Enthusiasts
>Subject: Re: [Coco] Drivewire 3 cabling problem
>
>Chad H wrote:
>> Ok, so I got a 10ft DB-9 extension serial cable, chopped off the male 
>> end to replace with the CoCo 4-pin connector, but I'm not getting 
>> anything at all on the CoCo 2 except I/O Errors..  I enabled Logging 
>> on the DriveWire 3 server, not showing anything there either.  Tried 
>> both serial ports, not sure what's going on.  I flipped the wires in case I was reading the pins
>> inverted, still nothing.   Hooked CoCo 2 back up to printer and prints fine.
>>
>
>Make sure that the DW3 server shows Coco2 at 57,600 bps. If it does not, click on the picture until it does. Make sure that the PC settings for the COM port selected match 57,600 8,N,1.
>
>Check the continuity of the cable with an ohm meter. Make sure that RX goes to TX and TX goes to RX. There is no Vcc connection.
>
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