[RTTY] Windows 7 and USB to Serial adapters

[Joseph E. Wittmer]

Depending on the requirements of the hardware you are using, Prolific may not work. The last I tested the prolific driver/chipset there were issues with both hardware and software flow control.

I recommend the FTDI chipset for use in applications requiring 7 or 8 data bits. They abandoned support of 5 data bits sometime ago. In my tests FTDI's implimentation of XON/XOFF flow control (txflow and rxflow flags both must be set) and RTS/CTS flow control work well.

I would be interested in knowing if anyone has found a USB or ExpressCard solution with Windows 7 64-bit drivers for 45 baud, 5 data bits.

I have an ExpressCard Model #SS-AS1RS here which supports 5 data bits, however it supports only 75 baud and higher rates. No 45 baud :-(

73
Joe K9SZ

-----Original Message-----
From: rtty-bounces at contesting.com [mailto:rtty-bounces at contesting.com] On Behalf Of Joe Subich, W4TV
Sent: Friday, January 22, 2010 4:23 PM
To: simon at hb9drv.ch; rtty at contesting.com
Subject: Re: [RTTY] Windows 7 and USB to Serial adapters


Have Prolific fixed the bug that provides interrupt before data 
and triggers the 8020 error in software written in VB6 and/or 
compiled with those compilers that use the Microsoft Communications 
Toolbox? 

73, 

   ... Joe, W4TV 
 


> -----Original Message-----
> From: rtty-bounces at contesting.com 
> [mailto:rtty-bounces at contesting.com] On Behalf Of Simon HB9DRV
> Sent: Friday, January 22, 2010 3:36 PM
> To: rtty at contesting.com
> Subject: Re: [RTTY] Windows 7 and USB to Serial adapters
> 
> 
> The FTDI and Prolific chipsets work fine with W7 32- and 64-bit.
> 
> Simon Brown
> http://sdr-radio.com
> 
> 
> > -----Original Message-----
> > From: rtty-bounces at contesting.com 
> [mailto:rtty-bounces at contesting.com]
> > On Behalf Of Sid Ashen-Brenner
> > 
> > Does anybody know what USB to serial adapters will work 
> with Windows 
> > 7?



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