how to write init string for V.90 modem

whoami2000au

Member
Feb 15, 2001
34
0
0
How do you put space between AT commands on the init string for a modem on WIN98? I got aztech V.90 external USB modem.
I tried ..
s10=255 s34=38400 s11=100
s34 was to set the maximum speed the modem can connect to..
When I connected it, I got 52000 connection speed..not the 38400 or less i was expecting. I'm assuming I did something wrong on writing init strings or something. Should i not put space between the commands like
s10=255s34=38400s11=100
BTW, can i use the S commands in the init string anyway?
help!
 

esung

Golden Member
Oct 13, 1999
1,063
0
0
not all the modem supports the full range of AT commands anyway, but if you want to set AT commands, do so without the spaces. but why would you want the modem to connect at 38400 ONLY? &Nx and &Ux sets the modem speed (minimum and ceiling), if not attainable, the modem will hang up. and S34 is NOT used to set the connection speed. It has nothing to do with speed setting.. and your S11 is kinda too long... (unless your phone lines requires that slow of dialing...)
 

EJ

Member
Oct 18, 1999
99
0
0
I'm not sure 38400 is a proper v90 speed. Try 37333

To answer your question on why you'd want to cap your speed... When using a 56k modem for games you'd want to do this. A modem will retrain sometimes during a connect and that will cause a 5-10 sec lag during a game. Also a modem speed shifts and that might hinder performance. By reducing speeds this will get rid of these things(might happen once in a blue moon though). This wont harm game perfomance in game either since connecting at 37333 gives you 4.6 kb/s enough to set your rate in game to 4600. Although I'd only set it to 3500-4000.

EJ