-=> Quoting David Wei to Rick Collins <=-
-=> FidoMail to 1:163/215, please.-=<
rc> It's 56000, it's real, and it's done with a different protocol
rc> which is written in software - just as V.34 is. 
dw> However, Rockwell's chipsets use hardwired system, thus requiring
dw> a "chip swap", so you will have to either popping out all the
dw> chips on the modem, or they will take your old modem for trade
dw> in... 
Some do and some do not.  Many of the 56k modems support both flash
ROM and a programmable DSP.
dw> Also, according to USR, the Teleco limites the top speed at
dw> 53.3Kbps or something close... 
The FCC limitation is on signal level.  The level limit makes 56K
unlikely.  But the limit is on signal level, not speed, per se.
rc> It's different software if you have a programmable DSP and flash
rc> ROM, it's different software on a different chip if you don't. 
dw> Well, for my USR Courier, I have to replace the software inside
dw> the modem, first the program purge the flash memory, and then
dw> writes the new firmware (or the operating system for Modem) into
dw> the flash memory. 
The Courier has flash ROM and a programmable DSP.
TTFN. Rick.
Ottawa, ON 13 Apr 13:02 
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