Editing AMD Geode/Troubleshooting
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* DOTREF - 48MHz input clock | * DOTREF - 48MHz input clock | ||
After looking at the [https://wiki.laptop.org/mediawiki/images/8/83/XO-1_Schematics.pdf OLPC XO-1 Schematics] and [https://manualzz.com/doc/29656964/amd-geode%E2%84%A2-lx-epic-rdk-reference AMD Geode LX EPIC RDK Schematics] which both use LX processors and | After looking at the [https://wiki.laptop.org/mediawiki/images/8/83/XO-1_Schematics.pdf OLPC XO-1 Schematics] and [https://manualzz.com/doc/29656964/amd-geode%E2%84%A2-lx-epic-rdk-reference AMD Geode LX EPIC RDK Schematics] which both use LX processors and the PCM-9375 board itself I figured out the following: | ||
* The OLPC XO-1 uses a resistor voltage divider to generate DVREF | * The OLPC XO-1 uses a resistor voltage divider to generate DVREF |