[flashrom] ASUS M2V-MX SE: Can Winbond flash chip W39V040B (512 kB, LPC) be used?

Paul Menzel paulepanter at users.sourceforge.net
Mon Jan 9 00:52:12 CET 2012

Dear Flashrom folks,

I got two spare boards with socketed flash chips and hope they can be
used also for the ASUS M2V-MX SE which is supported by coreboot [1].

One board is the ASRock AM2NF6G-VSTA with a Winbond flash chip W39V040B
(512 kB, LPC) [3].

        Probing for Winbond W49V002A, 256 kB: probe_jedec_common: id1 0xda, id2 0x54
        Found Winbond flash chip "W39V040B" (512 kB, LPC).

This output says LPC but the shipped flash chip in the ASUS M2V-MX SE
seems to be SPI [2].

        This chipset supports the following protocols: LPC,FWH,SPI.
        Calibrating delay loop... OK.
        Found chip "AMIC A25L40P" (512 KB, SPI) at physical address 0xfff80000.

In my board there is the Macronix flash chip MX25L4005 (512 kB, SPI).

        $ sudo ./flashrom
        flashrom v0.9.4-r1483 on Linux 3.1.0-1-amd64 (x86_64), built with libpci 3.1.8, GCC 4.6.2, little endian
        flashrom is free software, get the source code at http://www.flashrom.org
        Calibrating delay loop... OK.
        Found chipset "VIA VT8237S". Enabling flash write... Mapping VT8237S MMIO registers at 0xfed02000, unaligned size 0x70.
        Found Macronix flash chip "MX25L4005" (512 kB, SPI) at physical address 0xfff80000.
        No operations were specified.

So the vendor flash chip is SPI but it says the chipset also supports
LPC. Is such a socket universal so that I can use the LPC flash chip
Winbond W39V040B?



[1] http://www.asus.com/Product.aspx?P_ID=rO7Bu9kq3D25tXHl&content=specifications
[2] http://www.coreboot.org/ASUS_M2V-MX_SE
[3] http://www.flashrom.org/pipermail/flashrom/2012-January/008512.html
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