17 Aug
2008
17 Aug
'08
2:12 p.m.
8051s cannot execute code out of RAM; they are Harvard-
architecture processors.
-Dave
On Aug 17, 2008, at 1:00 PM, Scanning wrote:
Could you execute a small loop in RAM that iterates
the flash and
pukes the
code byte by byte onto the serial bus ?
/ steven
--
Dave McGuire
Port Charlotte, FL
Philip Pemberton wrote:
I don't think there's much that can be
done with the LPFK without
desoldering the 8051 chip and reading out the program. Catch is, the
chip has probably had its encryption table programmed, and
probably the
lock bits as well...
I was right.
The 8051 has both lock bits programmed. Zero activity in program
mode, all
outputs Hi-Z.
:(
Any experienced reverse engineers in the audience, or IBM
collectors with
information / drivers / docs for the LPFK?
Thanks,
--
Phil.