[coreboot] Flashrom problems on VIA EPIA CN13000G

[Corey Osgood]

On Fri, Dec 5, 2008 at 2:30 AM, sunggekun <lookicanfly at gmail.com> wrote:

> >> I have an VIA EPIA CN13000G board , and bought five SST49LF008A
> >> chips from internet.
> >
> > I'm afraid those chips can not work on that board.
> >
> >>   No EEPROM/flash device found.
> >>
> >> Also i tried to flash original BIOS rom (SST49LF004B), it work fine
> >> (read/write).
> >> So what did i miss? Could someone tell me what to do ?
> >
> > I believe your original chip is SST49LF040B, not 004B. 004B and 008A
> > understand only Firmware commands (they are FWH-compatible) while
> > 040B and 080A respond to "LPC Memory Read" commands and are called
> > LPC chips.
> >
> > I suggest trying to find SST49LF080A-33-4C-NHE chips instead.
> >
> > //Peter
>
> Hi Peter ,
> I had checked the original BIOS chip again, it's SST49LF004B,
> and the flashrom output:
>
> # ./flashrom
>  Calibrating delay loop... ok
>  No LinuxBIOS table found.
>  Found chipset "VT8237": Enabling flash write... OK.
>  Found board "VIA EPIA-CN": Enabling flash write... OK.
>  Found chip "SST SST49LF004A/B" (512KB) at physical address 0xfff80000
>
> any ideal? Is it possible all the SST49LF008A chips are broken ?


SST49LF004B is LPC/FWH, but SST49LF008A is only FWH [1], the former was the
stock chip on my board as well. I'm currently using a Winbond W39V080A with
my board, a Jetway J7F2, or the SST chip Peter mentioned should work too.

-Corey

[1] http://www.sst.com/products.xhtml/serial_flash/49/SST49LF004B
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