diff --git a/verilog/sd2snes/main.ucf b/verilog/sd2snes/main.ucf
index 64577df..4588d4f 100644
--- a/verilog/sd2snes/main.ucf
+++ b/verilog/sd2snes/main.ucf
@@ -543,3 +543,95 @@ NET "SD_DAT[3]" IOSTANDARD = LVCMOS33;
 
 NET "SNES_SYSCLK" LOC = P180;
 NET "SNES_SYSCLK" IOSTANDARD = LVCMOS33;
+NET "SNES_SYSCLK" TNM_NET = "SNES_SYSCLK";
+TIMESPEC TS_SNES_SYSCLK = PERIOD "SNES_SYSCLK" 21.5 MHz HIGH 50 %;
+
+#NET "RAM_DATA[0]" IOSTANDARD = LVCMOS33;
+#NET "RAM_DATA[0]" DRIVE = 8;
+#NET "RAM_DATA[0]" LOC = P26;
+#NET "RAM_DATA[1]" IOSTANDARD = LVCMOS33;
+#NET "RAM_DATA[1]" DRIVE = 8;
+#NET "RAM_DATA[1]" LOC = P22;
+#NET "RAM_DATA[2]" IOSTANDARD = LVCMOS33;
+#NET "RAM_DATA[2]" DRIVE = 8;
+#NET "RAM_DATA[2]" LOC = P20;
+#NET "RAM_DATA[3]" IOSTANDARD = LVCMOS33;
+#NET "RAM_DATA[3]" DRIVE = 8;
+#NET "RAM_DATA[3]" LOC = P19;
+#NET "RAM_DATA[4]" IOSTANDARD = LVCMOS33;
+#NET "RAM_DATA[4]" DRIVE = 8;
+#NET "RAM_DATA[4]" LOC = P21;
+#NET "RAM_DATA[5]" IOSTANDARD = LVCMOS33;
+#NET "RAM_DATA[5]" DRIVE = 8;
+#NET "RAM_DATA[5]" LOC = P24;
+#NET "RAM_DATA[6]" IOSTANDARD = LVCMOS33;
+#NET "RAM_DATA[6]" DRIVE = 8;
+#NET "RAM_DATA[6]" LOC = P27;
+#NET "RAM_DATA[7]" IOSTANDARD = LVCMOS33;
+#NET "RAM_DATA[7]" DRIVE = 8;
+#NET "RAM_DATA[7]" LOC = P29;
+#
+#NET "RAM_OE" IOSTANDARD = LVCMOS33;
+#NET "RAM_OE" DRIVE = 8;
+#NET "RAM_OE" LOC = P36;
+#NET "RAM_WE" IOSTANDARD = LVCMOS33;
+#NET "RAM_WE" DRIVE = 8;
+#NET "RAM_WE" LOC = P50;
+#
+#NET "RAM_ADDR[0]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[0]" DRIVE = 8;
+#NET "RAM_ADDR[0]" LOC = P28;
+#NET "RAM_ADDR[1]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[1]" DRIVE = 8;
+#NET "RAM_ADDR[1]" LOC = P31;
+#NET "RAM_ADDR[2]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[2]" DRIVE = 8;
+#NET "RAM_ADDR[2]" LOC = P33;
+#NET "RAM_ADDR[3]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[3]" DRIVE = 8;
+#NET "RAM_ADDR[3]" LOC = P35;
+#NET "RAM_ADDR[4]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[4]" DRIVE = 8;
+#NET "RAM_ADDR[4]" LOC = P37;
+#NET "RAM_ADDR[5]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[5]" DRIVE = 8;
+#NET "RAM_ADDR[5]" LOC = P40;
+#NET "RAM_ADDR[6]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[6]" DRIVE = 8;
+#NET "RAM_ADDR[6]" LOC = P43;
+#NET "RAM_ADDR[7]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[7]" DRIVE = 8;
+#NET "RAM_ADDR[7]" LOC = P45;
+#NET "RAM_ADDR[8]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[8]" DRIVE = 8;
+#NET "RAM_ADDR[8]" LOC = P44;
+#NET "RAM_ADDR[9]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[9]" DRIVE = 8;
+#NET "RAM_ADDR[9]" LOC = P42;
+#NET "RAM_ADDR[10]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[10]" DRIVE = 8;
+#NET "RAM_ADDR[10]" LOC = P34;
+#NET "RAM_ADDR[11]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[11]" DRIVE = 8;
+#NET "RAM_ADDR[11]" LOC = P39;
+#NET "RAM_ADDR[12]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[12]" DRIVE = 8;
+#NET "RAM_ADDR[12]" LOC = P48;
+#NET "RAM_ADDR[13]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[13]" DRIVE = 8;
+#NET "RAM_ADDR[13]" LOC = P46;
+#NET "RAM_ADDR[14]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[14]" DRIVE = 8;
+#NET "RAM_ADDR[14]" LOC = P51;
+#NET "RAM_ADDR[15]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[15]" DRIVE = 8;
+#NET "RAM_ADDR[15]" LOC = P58;
+#NET "RAM_ADDR[16]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[16]" DRIVE = 8;
+#NET "RAM_ADDR[16]" LOC = P57;
+#NET "RAM_ADDR[17]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[17]" DRIVE = 8;
+#NET "RAM_ADDR[17]" LOC = P61;
+#NET "RAM_ADDR[18]" IOSTANDARD = LVCMOS33;
+#NET "RAM_ADDR[18]" DRIVE = 8;
+#NET "RAM_ADDR[18]" LOC = P52;