17 Jun
2013
17 Jun
'13
8:01 a.m.
On 6/17/2013 8:57 AM, Guy Sotomayor wrote:
On Jun 16, 2013, at 10:33 PM, Ian King <IanK at vulcan.com> wrote:
How about a TEXT vs BINARY file format transfer problems if you use
DOS/Windows?
Ben.
On 6/16/13 6:00 PM, "Tom Watson"
<tsw-cc at johana.com> wrote:
Is it because of baud (bit) rate or an incompatibility?
If the former, most baud rate generators won't generate 110 unless specific
crystals/divisors are chosen. Otherwise they'll start at 300.
If the latter, I've found that some USB serial adapters aren't friendly to
classic
gear. I haven't thrown an analyzer between them to figure it out. I've found
some that seem to work most often (Belkin springs to mind...still doesn't
support 110 though).
TTFN - Guy
On 6/15/2013 10:37 PM, Ben wrote:
I've experienced this, trying to use a USB serial adapter in place of an
ASR-33 to serve up an imaged paper tape on a PDP-8/e. It does not work.
It's an interesting question as to why this is a problem. :-) On 6/15/2013 8:48 PM, Cory Smelosky wrote:
> That bothers me too...I'm accumulating adapters and gender > changers
> though. ;)
>
USB has RS232 adapters, now you can have the best
of both worlds.
2 GHZ download for your 110 baud TTY.
>> -tony
Ben.
Only one problem there, most (if not all) EIA-232 adapters for USB won't
go below 300 Baud. It is a problem when trying to get the old ASR33 to
type things out!
Of course you need to also add two stop bits, but that is pretty easy (as
he notes the only place two stop bits were used was for the 33/35
teletypes).