[syslinux] Serial with syslinux.

[H. Peter Anvin]

n schembr wrote:
> Can syslinux be upgraded to support more then 4 serial ports? 
> Could syslinux be configured to auto probe for the  first serial port? 
> 
> 
> Ubuntu 6.6.1  boots and can find the card at port ttyS4 and ttyS5.
> Voyage (debian) linux  reset the  pci serial card  and assigns  it  to  ttyS0  and ttyS1  
> 
> 
> A few weeks back I asked about a boot loader with ttyUSB support.  It was pointed out that a USBserial stack would be very bloated.   So I purchased a pci serial IO card.
> 
> ON boot up the card is configured to port  4 to avoid  conflicts with the on board hardware.
>  
> Ubuntu 6.6.1  boots and can find the card at port ttyS4 and ttyS5.
> 
> Voyage linux (debian) reset the  pci serial card  and assigns  it  to  ttyS0  and ttyS1  
> 
> syslinux and extlinux can not see the card at boot up.  Can extlinux be configured to auto probe and use the first serial port it finds?
> 
> serial -1 115200
> 
> Thank you for your hard work,
> 

SYSLINUX will use the BIOS-assigned COM1-4 (0-3), otherwise you have to 
put the I/O address directly in the serial statement:

serial 0xf400 115200

... will access a serial port at I/O port 0xf400.

	-hpa