diff --git a/sw/main.c b/sw/main.c
index aea99c8..81e6cd6 100644
--- a/sw/main.c
+++ b/sw/main.c
@@ -47,8 +47,20 @@ int main() {
 	cprintf("Reading from 0x4000: %x\n", *(unsigned int*)(0x4000));
 	cprintf("Reading from 0x5000: %x\n", *(unsigned int*)(0x5000));
 
+	// This will read a 512 block from the sd card.
+	// The RCA is hard coded for the one that I have on hand as responses
+	// are not implemented yet.
 	sd_card_command(0, 0);
 	sd_card_command(0x000001aa, 8);
+	sd_card_command(0, 55);
+	sd_card_command(0x40180000, 41);
+	sd_card_command(0, 55);
+	sd_card_command(0x40180000, 41);
+	sd_card_command(0, 2);
+	sd_card_command(0, 3);
+	sd_card_command(0x59b40000, 7);
+	sd_card_command(0x59b41000, 13);
+	sd_card_command(0, 17);
 
     while (1) {