[Coco] Drivewire 3 cabling problem

[Robert Hermanek]

I'd get an ohm meter out and make sure the outer housing of the connectors 
on both ends are connected together, I think I've had performance problems 
when they are not, or was that my imagination?

----- Original Message ----- 
From: "Mark Ormond" <markormond at mtxsystems.com>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Monday, April 30, 2012 7:54 AM
Subject: Re: [Coco] Drivewire 3 cabling problem


> 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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