I have an Intel DX50SO motherboard for a Core i7 CPU which has no
legacy ports whatsoever, so no COM1 serial port. I added a "SIIG
CyberPro PCI 1S" single serial port PCI card.
Linux dmesg shows it as:
[ 30.244790] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 30.244984] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a NS16550A
[ 30.245287] serial 0000:06:02.0: PCI INT A -> GSI 18 (level, low) -
> IRQ 18
[ 30.245459] ttyS0: detected caps 00000700 should be 00000100
[ 30.245518] 0000:06:02.0: ttyS0 at I/O 0x1060 (irq = 18) is a
16C950/954
[ 30.245583] console [ttyS0] enabled
[ 32.448682] ttyS2: detected caps 00000700 should be 00000100
[ 32.454929] 0000:06:02.0: ttyS2 at I/O 0x1068 (irq = 18) is a
16C950/954
Note that the only port actually connected to the single connecter is
ttyS0 at 0x1060. I can successfully use this as the Linux serial
console by adding the Linux boot parameters:
console=uart,io,0x1060,115200n8
However, I'm having problems trying to get it to work as a Xen
console. If I add:
com1=115200,8n1,0x1060,0 console=vga,com1
to Xen, I do get some output to the port, but all the characters look
like this:
.<.....~.o....¼..4.|.a.½¬o.§¼4.#.ÿ.......ö4..¬.... 4. .
4Ä...T.Ä ..¼.Ä ....<.
Can anyone help me to get this to work?
Thanks,
Nigel
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