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Re: Serial Port Bug? Solved



On Wed, Nov 28, 2007 at 02:34:09PM -0700, Karl Larsen wrote:
> Karl Larsen wrote:
> >Lamar Owen wrote:
> >>On Wednesday 28 November 2007, Karl Larsen wrote:
> >> 
> >>>Lamar Owen wrote:
> >>>   
> >>>>Is the serial port enabled in the BIOS?
> >>>>      
> >>
> >> 
> >>>    I have looked and found nothing in the many pages of BIOS things 
> >>>but
> >>>I could of missed it.
> >>>    
> >>
> >>What model Biostar MB is this?  All their manuals are online; older 
> >>ones especially included screenshots of the setup screens.  Look for, 
> >>in the 'integrated peripherals' setup section the 'COM1' and 'COM2' 
> >>settings (the names might be different; I don't have a Biostar board 
> >>in front of me (got one at home, though, that I might put on the 
> >>breadboard and check out)).
> >>
> >> 
> >>>    This is from #setserial -a /dev/ttyS0:
> >>>
> >>>[root k5di ~]# setserial /dev/ttyS0 -a
> >>>/dev/ttyS0, Line 0, UART: unknown, Port: 0x03f8, IRQ: 4
> >>>        Baud_base: 115200, close_delay: 50, divisor: 0
> >>>        closing_wait: 3000
> >>>        Flags: spd_normal skip_test auto_irq
> >>>    
> >>
> >> 
> >>>This I think is good.
> >>>    
> >>
> >>UART is unknown; no, this is bad.  If the kernel can't detect the 
> >>type of UART (it will likely be 16550A or similar for virtually all 
> >>modern MB's) then it can't use the port.
> >>
> >>On my own laptop, which does not have ANY serial ports:
> >>[root localhost ~]# setserial /dev/ttyS0 -a
> >>/dev/ttyS0, Line 0, UART: unknown, Port: 0x03f8, IRQ: 4
> >>        Baud_base: 115200, close_delay: 50, divisor: 0
> >>        closing_wait: 3000
> >>        Flags: spd_normal skip_test auto_irq
> >>
> >>[root localhost ~]# 
> >>So setserial doesn't help troubleshoot this.
> >>
> >>On the box with one serial port:
> >>[root itadmin ~]# setserial /dev/ttyS0 -a
> >>/dev/ttyS0, Line 0, UART: 16550A, Port: 0x03f8, IRQ: 4
> >>        Baud_base: 115200, close_delay: 50, divisor: 0
> >>        closing_wait: 3000
> >>        Flags: spd_normal skip_test
> >>
> >>[root itadmin ~]#            
> >>UART is a 16550A, and works.
> >>  
> >   OK I do not have a manual about BIOS. If they have one I will get it!
> >
> >
> >
>    I dropped to the Bios. Your telling me it is in Integrated 
> Periferals did the trick. I had to hit enter on one I never have before 
> and there was Serial Port 1 disabled! I got it set to auto and now it works!

Great!

> 
>    I d/l the manual but it is a .exe file and I no windows to open it :-)

Karl, sometimes files like that are self-extracting zip files, on the
off-chance that this one is too, you may try "unzip -v filename.exe" and
see if you strike it lucky.


-- 
---- Fred Smith -- fredex fcshome stoneham ma us -----------------------------
                       I can do all things through Christ 
                              who strengthens me.
------------------------------ Philippians 4:13 -------------------------------

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