additional com-port

[Maxim Mazurok]

On Sat, Jun 14, 2003 at 01:59:59AM +0300, Maxim Mazurok wrote:

>>> i have small trouble
>>> i need to add subj to alpha
>>> 164SX mainboard
>>> i insert ISA com port width port 0x3e8 and irq 4
>>> 
>>> root at chinger:~#uname -a
>>> FreeBSD chinger.km.ua 4.8-STABLE FreeBSD 4.8-STABLE #10: Sun Jun  1 13:41:11 EEST 2003     root at chinger.km.ua:/var/opt/src/sys/compile/ALEPH  alpha
>>> root at chinger:~#cat /sys/alpha/conf/ALEPH | grep COM
>>> # Serial (COM) ports (required)
>>> device          sio0    at isa? port IO_COM1 irq 4
>>> device          sio1    at isa? port IO_COM2 irq 3 flags 0x50
>>> device          sio2    at isa? port IO_COM3 irq 4
>>> root at chinger:~#cat /var/run/dmesg.boot | grep sio[0-2]
>>> sio0 at port 0x3f8-0x3ff irq 4 on isa0
>>> sio0: type 16550A, console
>>> sio0: interrupting at ISA irq 4
>>> sio1: reserved for low-level i/o
>>> sio2: configured irq 4 not in bitmap of probed irqs 0
>>> sio2 at port 0x3e8-0x3ef irq 4 on isa0
>>> sio2: type 16450
>>> 
>>> where i wrong?
>>
>>You can't share ISA IRQs.
>
>ok, can i deactivate one of onboard port.

sorry. it's question. "ok, can i deactivate one of onboard port?"

>i need only serial console and my additional card.

and sorry for my bad english.

-- 
Maxim Mazurok  (MMP2-RIPE)