RE: Print/price question - RE: TI-H: Why expander? Why compress? Use a F


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RE: Print/price question - RE: TI-H: Why expander? Why compress? Use a FDD!




No, I did understand.  My values were with all calculators sending and
receiving.

>Just in case someone has misunderstood...
>
>MBus can handle 1.4k/sec with, say, 8 calcs. It could even handle 10k/sec
>with 8 calcs, but the calcs themselves are too slow to handle those
>speeds. The maximum speed doesn't drop as more calcs are added to the
>system, it only drops when there are several simultaneous transmissions on
>the bus. At any given time, the bus handles just one transmission. Several
>transmissions are interlaced, so the total troughput is the same, but each
>transmission is slowed down because it only gets its own share of the
>total bus bandwidth.
>
>If PC's would be connected to the MBus (I've thought about writing a
>driver in C for the parallel link), higher speeds could be used. The
>limiting factor is currently always the receiving calculator, TI-85's can
>send at about 3kBytes/sec but receive at only about 1.3 kBytes/sec. (The
>values depend on battery state and lots of other variables. Each TI is
>slightly different, so I try to quote "safe" values with my experience.)
>
>-Ozone
>
>*** Osma Suominen *** ozone@clinet.fi *** http://www.clinet.fi/~ozone ***

---
Grant Stockly
AppleCyber - http://www.alaska.net/~gussie