F
Franc Zabkar
On 29 Nov 2007 18:46:53 GMT, Donald G. Davis
<dgdavis@blackhole.nyx.net> put finger to keyboard and composed:
>>>Franc Zabkar <fzabkar@iinternode.on.net> writes:
>
>>I have a "full hardware" ISA modem on COM2. If I execute the following
>>in a DOS box, whether full-screen or windowed, and then switch to
>>another application, I get the message that the port is already open.
>>
>> C:\WIN98SE>echo ATL3M2H1 > com2
>> C:\WIN98SE>echo ATH > com2
>>
>>The above commands turn on the modem's speaker at max volume, take the
>>modem off-hook, and then hangup. You should hear a dialtone.
>
> I just tested this on my machine with the ISA modem. The first
>command line did produce a dial tone, but the ATH seemed to have no
>result. But when I ran the Windows Control Panel/Modems/Com2/Diagnostics
>while the dialtone was still on, it did *not* cause the "port already
>open" message the modem still responded with the diagnostic strings even
>while playing the dial tone and subsequent phone company hang-up request.
>The phone line (but *not* the port) stayed tied up by the modem until I
>exited the DOS session.
FWIW, if I take control of my modem in Windows using HyperTerminal,
then I get the following in a DOS box:
C:\WIN98SE>echo atl3m2h1 > com2
Write fault error writing device COM2
Abort, Retry, Ignore, Fail?
- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.
<dgdavis@blackhole.nyx.net> put finger to keyboard and composed:
>>>Franc Zabkar <fzabkar@iinternode.on.net> writes:
>
>>I have a "full hardware" ISA modem on COM2. If I execute the following
>>in a DOS box, whether full-screen or windowed, and then switch to
>>another application, I get the message that the port is already open.
>>
>> C:\WIN98SE>echo ATL3M2H1 > com2
>> C:\WIN98SE>echo ATH > com2
>>
>>The above commands turn on the modem's speaker at max volume, take the
>>modem off-hook, and then hangup. You should hear a dialtone.
>
> I just tested this on my machine with the ISA modem. The first
>command line did produce a dial tone, but the ATH seemed to have no
>result. But when I ran the Windows Control Panel/Modems/Com2/Diagnostics
>while the dialtone was still on, it did *not* cause the "port already
>open" message the modem still responded with the diagnostic strings even
>while playing the dial tone and subsequent phone company hang-up request.
>The phone line (but *not* the port) stayed tied up by the modem until I
>exited the DOS session.
FWIW, if I take control of my modem in Windows using HyperTerminal,
then I get the following in a DOS box:
C:\WIN98SE>echo atl3m2h1 > com2
Write fault error writing device COM2
Abort, Retry, Ignore, Fail?
- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.