Current PCB Memory Expansion board layout is untested. The backplane for the expansion cards is tested and working.
Recreation of U10 Part Number 107393-001 working as expected so far. Recreation of U20 Part Number 107392-001 is untested.
The mainboard schematics are not verfied or complete.
Replacement Battery Module by Sergey Kiselev GitHub
This work is licensed under the CERN Open Hardware License v2 Strongly Reciprocal. See here.