> I'll be testing more with real hardware. I've now tried:
5.2/amd64 with com0 at acpi0 (UAR1, PNP0501-0): io 0x3f8-0x3ff irq 4 com0: ns16550a, working fifo 1.4T/sparc with zs0 at obio0 slot 0 offset 0x100000 level 12 softpri 6 zstty1 at zs0 channel 1 In each case, I get EIO with nothing output to the port. /~\ The ASCII Mouse \ / Ribbon Campaign X Against HTML mo...@rodents-montreal.org / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B