A1200
Blizzard1260@50MHz
3Com "EtherLink III LAN PC Card" 3C589D-TP 10Mbit
Roadshow 1.15 68020+
Kickstart/WB 3.2.1 (kick in fast and the usual MuTools fixes)
3c589.device 1.5

8.Ram Disk:> ttcp -s -r 
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001  tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.1
ttcp-r: 16777216 bytes in 18.46 real seconds = 887.61 KB/sec +++
ttcp-r: 4918 I/O calls, msec/call = 3.84, calls/sec = 266.43
ttcp-r: 0:18real
8.Ram Disk:> ttcp -s -r 
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001  tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.1
ttcp-r: 16777216 bytes in 18.40 real seconds = 890.38 KB/sec +++
ttcp-r: 4972 I/O calls, msec/call = 3.79, calls/sec = 270.20
ttcp-r: 0:18real
8.Ram Disk:> ttcp -s -r 
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001  tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.1
ttcp-r: 16777216 bytes in 18.95 real seconds = 864.72 KB/sec +++
ttcp-r: 4929 I/O calls, msec/call = 3.94, calls/sec = 260.14
ttcp-r: 0:18real
8.Ram Disk:> ttcp -s -t 192.168.1.1 
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001  tcp  -> 192.168.1.1
ttcp-t: socket
ttcp-t: connect
ttcp-t: 16777216 bytes in 19.24 real seconds = 851.57 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 9.62, calls/sec = 106.45
ttcp-t: 0:19real
8.Ram Disk:> ttcp -s -t 192.168.1.1 
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001  tcp  -> 192.168.1.1
ttcp-t: socket
ttcp-t: connect
ttcp-t: 16777216 bytes in 19.26 real seconds = 850.62 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 9.63, calls/sec = 106.33
ttcp-t: 0:19real
8.Ram Disk:> ttcp -s -t 192.168.1.1 
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001  tcp  -> 192.168.1.1
ttcp-t: socket
ttcp-t: connect
ttcp-t: 16777216 bytes in 18.82 real seconds = 870.34 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 9.41, calls/sec = 108.79
ttcp-t: 0:18real
8.Ram Disk:> version full bsdsocket.library 
bsdsocket.library 4.364 (2023-09-01)
Roadshow 1.15 68020+ version
8.Ram Disk:> version full 3c589.device 
3c589.device 1.5 (2010-02-03)