[syslinux] Message File to serial console
H. Peter Anvin
hpa at zytor.com
Wed Sep 15 12:57:33 PDT 2004
tom.erjavec at iskratr.si wrote:
>
> Yes, indeed, could be, but I don't know if syslinux is using the below mentioned
> BIOS resources directly. The manual of net4801 says: ...
> ------------------------
> The net4801 ... uses COM1 serial port for the primary console instead. The netBIOS
> also has an emulation of int 10 video system calls and int 16 keyboard system calls,
> making it possible to run old real mode programs that expect video and keyboard
> services. This is mostly useful for running MS-DOS, and is limited to software using
> BIOS calls only.
> ------------------------
OK, so you should *not* be specifying SERIAL in syslinux.cfg; it will
conflict with the above emulation.
If you're seeing the "thin strip" effect it's because the INT 10h
emulation is buggy and not setting up some of the values in BIOS memory.
-hpa
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