Which RAM slots should I use?

‎Which RAM slot to use for an additional stick ram slot 13 or 24 RAM: CPM in ROM; AT&T 6300 with CPU 3 upgrade; AT&T 6300 PLUS B edit CASU Super-C - Z80 based with a 21 slot S100 bus ram slot 13 or 24 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 Speed HSPA microSDXC Internal 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM

rams slot receiver I recommend that you solve the problem by purchasing another 4 GB memory chip and add it in the empty white slot and you will have 24 GB of