Shooting in the dark here, I'd be looking at the ppp log and maybe the compression scheme the modem is using (different init strings), or maybe you just have a really slow ISP... but what do I know, I don't have a tcp/ip 'net connection so have never really played with ppp stuff.
later, Bruce -- On Wed, 19 Jan 2000, Michel Dänzer wrote: > --- Bruce Sass <[EMAIL PROTECTED]> wrote: > > > > > > 1. I have a USR V90 56k modem. If I let it connect at anything above > > > > > 33600, the RX rate drops drastically - to around 1kB/s. Any > > > > > suggestions? > > > > > > But, do you think it will also help with this problem? It also shows up > > > with virtually no load... > > > > Try doing a large zmodem download with minicom, if you get CRC > > errors when the HD is active then irqtune should fix it up. > > Haven't tried that, but I am using irqtune now and the problem with disk > access stalling the serial device is gone. Thanks Bruce. > > However, the above problem still remains. If I just initialize the modem with > 'AT&F1', it connects at 40000 something bps. But I only get transfer rates > around 1 kB/s! Uploads are as fast as ever. OTOH after 'AT&F1&N21', it > connects at only 33600 bps, but I get 3.5 kB/s constantly. > > Anyone has a suggestion about this one? Have I misconfigured my modem? > Doesn't my ISP support V90? ...