hardware flow control in 386 Unixes

[david nugent]

In <1990Jul17.121628.17613 at theep.boston.ma.us> rk at theep.boston.ma.us (Robert A. Kukura) writes:

>Should I expect full-duplex RTS/CTS flow control to work correctly
>with the following OSes on generic 386 AT-compatible systems,
>particularly with a Telebit Trailblazer Plus locked at 19200 baud:

>ISC 386/ix with the X6 update?

Yes.


>ISC Unix 2.2?

Yes.

Both fairly good.

Some extracts from my /usr/spool/uucp/.Old/xferstats:

M (7/19-23:31:18) (C,201,5) [tty00] <- 94597 / 80.500 secs, 1175 bytes/sec
M (7/19-23:33:24) (C,201,7) [tty00] <- 141381 / 119.480 secs, 1183 bytes/sec
M (7/19-23:35:28) (C,201,9) [tty00] <- 141497 / 119.500 secs, 1184 bytes/sec
M (7/19-23:36:56) (C,201,11) [tty00] <- 97765 / 83.620 secs, 1169 bytes/sec
M (7/19-23:38:24) (C,201,13) [tty00] <- 92169 / 82.670 secs, 1114 bytes/sec
M (7/19-23:39:53) (C,201,15) [tty00] <- 97881 / 83.270 secs, 1175 bytes/sec
M (7/19-23:40:20) (C,201,17) [tty00] <- 24440 / 21.830 secs, 1119 bytes/sec
M (7/19-23:41:35) (C,201,19) [tty00] <- 81777 / 69.940 secs, 1169 bytes/sec
M (7/19-23:42:57) (C,201,21) [tty00] <- 89587 / 77.340 secs, 1158 bytes/sec
M (7/19-23:44:22) (C,201,23) [tty00] <- 91383 / 80.960 secs, 1128 bytes/sec
M (7/19-23:45:20) (C,201,25) [tty00] <- 61659 / 53.920 secs, 1143 bytes/sec

This is on a CONNECT FAST/UUCP.

I get around 1250 cps on a standard CONNECT FAST using rzsz (ZModem).


>SCO Open Desktop?

Don't know.


>The FAS driver on these same systems?

>From a brief look at the sources, it appears to.

-- 
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 Unique Computing Pty Ltd  Melbourne  Australia  -  Communications Specialists 
        david at csource.oz.au    3:632/348 at fidonet    28:4100/1 at signet