Miguel Barbosa Gonçalves m...@mbg.pt writes:
Back in FreeBSD 7 there was a flag to disable the FIFO on the sio
[...]
Now with FreeBSD 8 which uses the UART device driver there's no option for
that.
I am looking to reduce the jitter I am getting on the serial port when
connecting a GPS to
Hi!
Back in FreeBSD 7 there was a flag to disable the FIFO on the sio
device driver. From
http://www.freebsd.org/cgi/man.cgi?query=sioapropos=0sektion=0manpath=FreeBSD+7.4-stablearch=defaultformat=html:
Meaning of flags:
0x1 shared IRQs
0x2 disable FIFO
0x4 no AST/4 compatible