[Soekris] ConMute option in the 4801 bios?

[Steven R. Brudenell]

> Ok, I flashed a 4501 we have here with 1.26.
> 
> While it does not have the same "garbage" that I was seeing before, it
> does some very weird stuff.  It seems to wrap the lines at 16 columns
> (?!), and still doubles up on some of the characters

Weird! Well, this definitely supports HPA's assertion that it's the BIOS' fault. *cough*, Soren? Any comments? :)

> Ok, I just logged all the serial data.  Here's a "hexified" view of the
> "PXE" part of the first bit of what PXElinux spits out: 00000780h: 1B 5B 36
> 6E 1B 5B 35 30 3B 30 31 48 1B 5B 36 6E ; .[6n.[50;01H.[6n 00000790h: 1B 5B
> 35 30 3B 30 31 48 1B 5B 36 6E 50 1B 5B 35 ; .[50;01H.[6nP.[5 000007a0h: 30
> 3B 30 32 48 1B 5B 36 6E 58 1B 5B 35 30 3B 30 ; 0;02H.[6nX.[50;0 000007b0h:
> 33 48 1B 5B 36 6E 45                            ; 3H.[6nE
> 
> Presumably all that stuff before each letter is 1) what makes it appear
> so slow, and 2) terminal codes of some sort.  Is that VT100?  Anyone
> recognize it on sight?

It is, indeed.

A couple things just to make sure:
What does your pxelinux config look like? (do you have a line like "serial 0 9600"? If so, is it the first line in the file?)
What terminal emulator are you using?

~Steve