Adding the data lines

The eight data lines transmit ROM data between the PC and the cartridge. As described in the Components section, an 8-way commoned SIL resistor (47 kohms) is used to "pull down" the data lines to Ground.

SIL Resistor

SIL Resistor (8 way 47kohm with common pin)

Orient the resistor so that the GND (common) pin is in 7AL, and pin 8 is in 7AD. Solder all 9 pins in place.

Wire links

Solder in the following wire links:

Progress so far...

Here's what the SMSReader should look like now:


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