[ipxe-devel] serial arrow keys broken

[Michael Brown]

On 22/04/14 17:32, Ben Hildred wrote:
> Just thought I would note here that I have noticed that menus are slow
> with both serial and video consoles enabled on real hardware, due to
> synchronization and no serial optimizations like clear screen. I may
> write a fast clear screen patch when this starts bothering me.

Are you using the current master branch?  Using <ESC>[2J to clear the 
console via serial port was committed back in November:

   http://git.ipxe.org/ipxe.git/commitdiff/7271b50

Michael