JEDEC probing redux

David Woodhouse dwmw2 at
Sat Nov 15 03:35:30 EST 2003

On Sat, 2003-11-15 at 01:09 -0500, Joshua Wise wrote:
> However, HP had to throw a twist in - they shifted the address lines over one. 
> A1 on the CPU is connected to A0 on the flash chip, etcetera, so we have to 
> left-shift the unlock addresses.

Surely this affects more than just the unlock addresses? Doesn't it mean
that when reading, each 16-bit word of flash would appear _twice_?

What if you just add the appropriate shift to your map driver?


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