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+--- Thread: HP 95LX prototype PCB (/thread-147583.html)
HP 95LX prototype PCB - Frank Boehm (Germany) - 02-26-2009
Well, that 95LX was only semi complete and didn't power up - so I disassembled it. Look what I found:
No wonder it didn't boot: this one has 3 x 256kB RAM installed - but no ROM. It probably used a Flash card to boot.
Both ICs are prototypes: marked as "SAMPLE" and "ES" (aka "Engineering Sample").
(it came in a standard enclosure with standard SN, no hint of a prototype...)