01 ? ? 456789ab

[Bill Davidson]

On 15:56 Sat 25 Jun     , Vu Pham wrote:
> My Linux box has 2 standard serial ports ttyS0 and ttyS1. I just added a
> ByteRunner PCI-800H that has 8 serial ports. Linux detects it without any
> problem and adds the 8 ports starting at ttyS4.
> 
> I went into the BIOS setup and found only two serial ports. 
> 
> I wonder which devices keep the port ttyS2 and ttyS3 ?

I believe ttyS0 and ttyS2 use the same irq, as do ttyS1 and ttyS3. Therefore
you can only have ttyS0 or ttyS2. Same goes for ttyS1 and ttyS3.

Bill