On 2013-11-24, Paul B. Henson <hen...@acm.org> wrote: > erase ^?, werase 1234567890123456
16 chars, because of the 16 byte buffer in the uart.
> com2 at isa0 port 0x3e8/8 irq 5: ns16550a, 16 byte fifo
^^
when enough chars have been sent to fill the buffer, we wait for an
interrupt to say that it's ok to transmit again, but in your case,
it's looking for the interrupt on the wrong pin so that interrupt
it won't be seen.
