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On Thu, 2002-09-12 at 00:12, Andreas Steinmetz wrote: > I did see something that looks quite similarl like dropped characters on > Redhat and 2.4.9 based UP systems (that's customers choice and couldn't > be changed) equipped with a NS-87336. > I can't go into detail but my company did port an application from DOS > to Linux. The application communicates with an electronic cash device Other than the usual PIO mode IDE suspects I've had no problems going up to 460800bps with a decent UART (ie one with a fifo). At 920Kbit/sec you begin to overrun the flip buffers if you run with the usual 100Mhz timer tick. 2.4 is a bit worse nowdays because of the ksoftirqd stuff but you could easily disable that if you think it is triggering. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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