# - Modifications on the top layer:
# 1. remove R137 and C57, located near the SMII PHY U18;
# 2. remove R172 and C75, located near the SMII PHY U19;
# - Modifications on the top layer:
# 1. remove R137 and C57, located near the SMII PHY U18;
# 2. remove R172 and C75, located near the SMII PHY U19;