Overclocked TI Silent 703 at 1200 bauds?

[John Many Jars]

Wow. I used to use one of those for BBSing back in the day, and it required nulls …

Sent from my iPhone

> On 30 Oct 2021, at 07:36, CuriousMarc via cctalk <cctalk at classiccmp.org> wrote:
> 
> It may very well have the double head. It's not dropping any characters at
> 1200. I am surprised. That's 4x the expected speed!
> Here is another sighting of a Silent 703 working at 1200 bauds:
> https://ronsapartment.blogspot.com/2018/06/altair-duino-and-ti-silent-700.ht
> ml
> Says the author in the comments: "My Silent 700 came with a manual. So I
> went by that. I was pleasantly surprised that my Silent 700 had the "high
> speed option"."
> So there was a high-speed option for the Silent 703 apparently?
> Marc
> 
>> -----Original Message-----
>> From: James B DiGriz [mailto:jbdigriz at dragonsweb.org]
>> Sent: Friday, October 29, 2021 10:01 PM
>> To: cctalk at classiccmp.org
>> Cc: CuriousMarc
>> Subject: Re: Overclocked TI Silent 703 at 1200 bauds?
>> 
>>> On Fri, 29 Oct 2021 20:35:50 -0700
>>> CuriousMarc via cctalk <cctalk at classiccmp.org> wrote:
>>> 
>>> I recently acquired a TI Silent 703 on ePay and just fired up. It
>>> worked right away. But I expected it to work at 300 bauds as
>>> advertised, and to my surprise, it clocked at a the head turning
>>> speed of 1200 bauds! Did they hot-rod it later in its product life?
>>> It says MODEL 703 at the back, part no. 2310503-0010. I did not open
>>> it up yet.  Is this a hardware mod? Is there an internal switch that
>>> can toggle it between 300 and 1200?
>>> 
>>> Marc
>>> 
>> 
>> I'm drawing a blank on that PN. I'm scanning in the 1985 TI Express
>> Catalog right now and it only lists the 2310503-0001. I think there is
>> an int'l version -0003.  Even if the serial port would work at 1200,
>> though, the printhead only does 45 cps. Pic of a supposed -0010 on
>> Worthpoint, but I don't subscribe for details or confirmation.
>> However, it would have to have something like the 2 char thermal
>> printhead in the 780 series to print without buffering at 1200 baud, I
>> would think. Dig some more in daylight.
>> 
>> jbdigriz
>