Peter Stuge stuge-linuxbios at cdy.org
Sun Nov 19 22:25:25 CET 2006

On Sun, Nov 19, 2006 at 10:04:36AM -0800, yhlu wrote:
> even there is no 9-pin header on the MB? If yes, it can be connected
> out to bracket.

The EHCI debug port is part of the USB spec, one special USB port can
be used to send and receive USB packets with only PCI config accesses
and one BAR set up, so can be used without a full USB stack and
without DRAM. Some brief information and links to the specifications
is available at http://linuxbios.org/EHCI_Debug_Port


More information about the coreboot mailing list