Archived from groups: alt.sys.pc-clone.dell,comp.sys.laptops (
More info?)
Barry,
EXCELLENT observations! I had not thought of them previously... Ben Myers
On Tue, 17 May 2005 17:25:53 GMT, Barry Watzman <WatzmanNOSPAM@neo.rr.com>
wrote:
>There is a reason for your findings.
>
>A USB to serial adapter is not a serial port. There are no hardware
>registers, and any software that attempts to write to the registers of
>the serial port that the software thinks it is talking through will
>fail. Unfortunately, that is just about half of all applications that
>use serial ports.
>
>However, PC Card serial ports ARE "real serial ports", and they have all
>of the registers that a "real" serial port will have. Consequently,
>they work almost every time.
>
>
>C.Joseph Drayton wrote:
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>> Hi Phil,
>>
>> Over the years I have tried; Belkin, Keyspan and a couple of other
>> Serial-to-USB cables, and none of them have consistently worked. I
>> can't even guess how many man hours were lost trying to get those
>> cables to work with some devices.
>>
>> About 9 months ago, I bought a SIIG PcCard Serial card, and I have
>> not found anything that it does not work with. At $50, some might
>> consider it pricey . . . for me it just WORKS and that is worth $50.
>>
>> Ciao . . . C.Joseph
>>
>> That which a man buys too cheaply . . .
>> He esteems too lightly
>>
>>
>> Phil Schuman wrote:
>>
>>>We sometimes have to config a Switch or Router,
>>>and therefore connect our laptops to a serial port.
>>>
>>>For those laptops that don't have a serial port,
>>>we would like to use one of those USB to Serial cables.
>>>
>>>BUT - do I really need to load any software drivers
>>>specific to that USB cable converter.... let's say using Win XP
>>>
>>>Basically, can I just grab a USB cable converter,
>>>plug it into the USB port, and have it discovered & work ?
>>>
>>>How then do we assign a COM1-4 port to the USB cable connection ?
>>>
>>>
>>>
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