On 5/28/10 9:48 AM, fritz wrote:
However, the chip I wanted to program - Am29F040B - I could NOT detect.
I'll spare you the in-depth story of the past twelve hours I've spent
working on it.
The summary:
Flashrom (from svn) would detect the other chips using addresses
0x5555, 0x2AAA, 0x5555
Flashrom (from svn) would try to detect the Am29F040 using addresses
0x0555, 0x02AA, 0x0555 - which is not according to the datasheet.
The Problem is the Am29F040B uses 0x2AA variant, but the Am29F040 uses
0x2AAA. What AMD/Spansion did was change the command addresses without
changing the chip ids. Sadly there's no way to distinguish between the two.
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