Instructions for C-GND probe removal on CAS interface board

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1、When reading CAS3/CAS4 data by ICP, As shown in the following picture:

In order not to affect all test points detection, the focus is on the EXT test point detection and normal reading and writing of data. Please follow the instructions to check whether the interface board has C-GND probe, If have ,Remove or cut the C-GND probe on the interface board by yourself.

2、removed the C-GND probe mainly for ETX test point checking, This enables all test points to test functionality.
CAS3 pins detection

CAS4 pins detection