Re: Serial Port Bug? Solved

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fred smith wrote:
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.


No luck. I tried and unzip prints a lot of can't do it stuff :-)

--

	Karl F. Larsen, AKA K5DI
	Linux User
	#450462   http://counter.li.org.

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