diff --git a/projects/mips_sys/src/tb_mips_sys.vhd b/projects/mips_sys/src/tb_mips_sys.vhd
index fee2a92..93c2acf 100644
--- a/projects/mips_sys/src/tb_mips_sys.vhd
+++ b/projects/mips_sys/src/tb_mips_sys.vhd
@@ -68,11 +68,11 @@ ARCHITECTURE behavior OF tb_mips_sys IS
 	signal sys_sdr_ras_qn		: std_logic;    -- /ras
 	signal sys_sdr_cas_qn		: std_logic;    -- /cas
 	signal sys_sdr_we_qn		: std_logic;    -- /write enable
-	signal sys_sdr_dm_q			: unsigned(DDR_DM_WIDTH-1 downto 0);     -- data mask bits, set to "00"
-	signal sys_sdr_dqs_q		: unsigned(DDR_DQS_WIDTH-1 downto 0);    -- data strobe, only for write
-	signal sys_sdr_ba_q			: unsigned(DDR_BANK_WIDTH-1 downto 0);   -- bank select
-	signal sys_sdr_a_q			: unsigned(DDR_ADDR_WIDTH-1 downto 0);   -- address bus 
-	signal sys_sdr_data			: unsigned(DDR_DATA_WIDTH-1 downto 0); -- bidir data bus
+	signal sys_sdr_dm_q			: unsigned(PART_DM_WIDTH-1 downto 0);     -- data mask bits, set to "00"
+	signal sys_sdr_dqs_q		: unsigned(PART_DQS_WIDTH-1 downto 0);    -- data strobe, only for write
+	signal sys_sdr_ba_q			: unsigned(PART_BANK_WIDTH-1 downto 0);   -- bank select
+	signal sys_sdr_a_q			: unsigned(PART_ADDR_WIDTH-1 downto 0);   -- address bus 
+	signal sys_sdr_data			: unsigned(PART_DATA_WIDTH-1 downto 0); -- bidir data bus
 
 	signal sys_error			: unsigned(1 downto 0); -- indicates DCM Errors
 	signal sys_sdr_clk_fb		: std_logic;