[LinuxBIOS] AMD64 serial setup
Stefan Reinauer
stepan at openbios.org
Sun Mar 5 19:43:47 CET 2006
* Stefan Reinauer <stepan at openbios.org> [060302 17:23]:
> # grep ttyS.*irq messages
> Feb 28 15:11:36 testnode kernel: ttyS0 at I/O 0x3f8 (irq = 0) is a 16550A
> Feb 28 15:11:36 testnode kernel: ttyS1 at I/O 0x2f8 (irq = 0) is a 16550A
> Feb 28 18:14:49 testnode kernel: ttyS0 at I/O 0x3f8 (irq = 0) is a 16550A
> Feb 28 18:14:49 testnode kernel: ttyS1 at I/O 0x2f8 (irq = 4) is a 16550A
>
> AMIBIOS:
>
> Jan 3 14:34:39 testnode kernel: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> Jan 3 14:34:39 testnode kernel: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
> Jan 3 18:29:46 testnode kernel: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> Jan 3 18:29:46 testnode kernel: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
>
> Any idea why and how that could happen?
Ok, here's some details:
The systems which are causing problems all have a
W83627HF revision ID = 0x17
The OK systems with linuxbios all have:
W83627HF revision ID = 0x41
Unfortunately there does not seem to be a revision guide on the winbond
website. Any ideas anyone?
Stefan
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