On Tue, Apr 2, 2013 at 11:56 AM, Nico Huber <[email protected]> wrote: > Hello Paul, > > Am 02.04.2013 11:12, schrieb Paul Menzel: >> Am Sonntag, den 31.03.2013, 21:10 +0200 schrieb Paul Menzel: >> >>> Am Samstag, den 30.03.2013, 19:57 +0100 schrieb Nico Huber: >>> >>>> I'm looking forward to write a port for my Ivy Bridge desktop system based >>>> on this board: Intel DH77EB (codenamed Eb Lake, [1]). It comes with the H77 >>>> platform controller hub (PCH) and a Winbond W83677HG super I/O chip (build >>>> by Nuvoton as NCT6775F, [2]). I'm using it with a Core i3-3225 processor >>>> [3]. >>> >>> awesome news! Best luck with this! >>> >>>> I've got the datasheet for the super I/O, so writing support for it should >>>> be no problem. >>> >>> The ASRock E350M1 [4] also uses the Nuvoton NCT6775F. Currently the code >>> from the Winbond W83627HF [5]. >>> >>> device pci 14.3 on # LPC 0x439d >>> chip superio/winbond/w83627hf >>> >>> Serial works for me. The only problem that might be related from any >>> incompatibilities is, that a PS/2 keyboard connected to the shared PS/2 >>> port does not work correctly, meaning, entering a character the >>> characters is displayed several times more. Entering »n«, I get >>> »nnnnnnnn« for example. Alvaro, having a ASRock E350M1/USB3, also uses a >>> PS/2 keyboard *but* has no problems with this at all. So I have no idea >>> if this is related to the Super I/O or not. > Sounds weird. But something I can't test / run into: My board doesn't even > have a PS/2 port. > >> Please note that Martin Roth pointed out to me, that when looking at the >> the ASRock E350M1, one actually finds that the Nuvoton NCT5572D is used. >> Both superiotool and Linux’ w83627ehf are incorrect. >> >> superiotool r4.0-3888-gce9f8be >> Found Nuvoton NCT6775F (B) (id=0xb473) at 0x2e >> >> And if you know what you have to look for, you also find that this was >> known all time along [8]. >> >> The board has a socketed SPI flash BIOS chip and a serial port >> header. The SIO is Nuvoton NCT5572D. Using coreboot's existing >> Winbond w83627hf is a good enough match to get the serial port >> and keyboard working. > Uh, does this mean that both chips share the same ID? I get the same output > from superiotool: > Found Nuvoton NCT6775F (B) (id=0xb473) at 0x2e > My chip is labeled W83677HG and I vaguely remember that I saw on a web page > that this is a NCT6775F. But I can't find the page anymore :( > Also, W83677HG sounds more like NCT6775F than NCT5572D. >
They are probably the same chip. http://en.wikipedia.org/wiki/Nuvoton Nuvoton was spun off from Winbond a few years ago. It's all just branding and part number differences, I suspect. -Aaron -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot

