diff --git a/techlibs/nanoxplore/Makefile.inc b/techlibs/nanoxplore/Makefile.inc
index 481429c663a..807cf36a4b2 100644
--- a/techlibs/nanoxplore/Makefile.inc
+++ b/techlibs/nanoxplore/Makefile.inc
@@ -4,6 +4,7 @@ OBJS += techlibs/nanoxplore/nx_carry.o
 
 # Techmap
 $(eval $(call add_share_file,share/nanoxplore,techlibs/nanoxplore/arith_map.v))
+$(eval $(call add_share_file,share/nanoxplore,techlibs/nanoxplore/brams_init.vh))
 $(eval $(call add_share_file,share/nanoxplore,techlibs/nanoxplore/brams_map.v))
 $(eval $(call add_share_file,share/nanoxplore,techlibs/nanoxplore/brams.txt))
 $(eval $(call add_share_file,share/nanoxplore,techlibs/nanoxplore/cells_bb.v))
diff --git a/techlibs/nanoxplore/brams.txt b/techlibs/nanoxplore/brams.txt
index 55edc3ef375..88e819cc55a 100644
--- a/techlibs/nanoxplore/brams.txt
+++ b/techlibs/nanoxplore/brams.txt
@@ -1,39 +1,39 @@
 ram block $__NX_RAM_ {
-	option "STD_MODE" "NOECC_48kx1" {
-		# only 32k used
-		abits 15;
-		widths 1 global;
-	}
-	option "STD_MODE" "NOECC_24kx2" {
-		# only 16k used
-		abits 14;
-		widths 2 global;
-	}
-	option "STD_MODE" "NOECC_16kx3" {
-		abits 14;
-		widths 3 global;
-	}
-	option "STD_MODE" "NOECC_12kx4" {
-		# only 8k used
-		abits 13;
-		widths 4 global;
-	}
-	option "STD_MODE" "NOECC_8kx6" {
-		abits 13;
-		widths 6 global;
-	}
-	option "STD_MODE" "NOECC_6kx8" {
-		# only 4k used
-		abits 12;
-		widths 8 global;
-	}
-	option "STD_MODE" "NOECC_4kx12" {
-		abits 12;
-		widths 12 global;
-	}
+	# option "STD_MODE" "NOECC_48kx1" {
+	# 	# only 32k used
+	# 	abits 15;
+	# 	widths 1 per_port;
+	# }
+	# option "STD_MODE" "NOECC_24kx2" {
+	# 	# only 16k used
+	# 	abits 14;
+	# 	widths 2 per_port;
+	# }
+	# option "STD_MODE" "NOECC_16kx3" {
+	# 	abits 14;
+	# 	widths 3 per_port;
+	# }
+	# option "STD_MODE" "NOECC_12kx4" {
+	# 	# only 8k used
+	# 	abits 13;
+	# 	widths 4 per_port;
+	# }
+	# option "STD_MODE" "NOECC_8kx6" {
+	# 	abits 13;
+	# 	widths 6 per_port;
+	# }
+	# option "STD_MODE" "NOECC_6kx8" {
+	# 	# only 4k used
+	# 	abits 12;
+	# 	widths 8 per_port;
+	# }
+	# option "STD_MODE" "NOECC_4kx12" {
+	# 	abits 12;
+	# 	widths 12 per_port;
+	# }
 	option "STD_MODE" "NOECC_2kx24" {
 		abits 11;
-		widths 24 global;
+		widths 24 per_port;
 	}
 	cost 64;
 	init no_undef;
diff --git a/techlibs/nanoxplore/brams_init.vh b/techlibs/nanoxplore/brams_init.vh
new file mode 100644
index 00000000000..605c1c2e450
--- /dev/null
+++ b/techlibs/nanoxplore/brams_init.vh
@@ -0,0 +1,17 @@
+function [409600-1:0] bram_init_to_string;
+    input [49152-1:0] array;
+    input integer blocks;
+    input integer width;
+    reg [409600-1:0] temp; // (49152+2048)*8 48K bit data + 2k commas
+    integer i;
+begin
+    temp = "";
+    for (i = 0; i < blocks; i = i + 1) begin
+    if (i != 0) begin
+        temp = {temp, ","};
+    end
+    temp = {temp, $sformatf("%b",array[(i+1)*width-1: i*width])};
+    end
+    bram_init_to_string = temp;
+end
+endfunction
diff --git a/techlibs/nanoxplore/brams_map.v b/techlibs/nanoxplore/brams_map.v
index 3614bc900ed..698a67aa018 100644
--- a/techlibs/nanoxplore/brams_map.v
+++ b/techlibs/nanoxplore/brams_map.v
@@ -3,16 +3,18 @@ module $__NX_RAM_ (...);
 parameter INIT = 0;
 parameter OPTION_STD_MODE = "NOECC_24kx2";
 
-parameter WIDTH = 24;
+parameter PORT_A_WIDTH = 24;
+parameter PORT_B_WIDTH = 24;
+
 parameter PORT_A_CLK_POL = 1;
 
 input PORT_A_CLK;
 input PORT_A_CLK_EN;
 input PORT_A_WR_EN;
 input [15:0] PORT_A_ADDR;
-input [WIDTH-1:0] PORT_A_WR_DATA;
+input [PORT_A_WIDTH-1:0] PORT_A_WR_DATA;
 wire [24-1:0] A_DATA;
-output [WIDTH-1:0] PORT_A_RD_DATA;
+output [PORT_A_WIDTH-1:0] PORT_A_RD_DATA;
 
 parameter PORT_B_CLK_POL = 1;
 
@@ -20,9 +22,11 @@ input PORT_B_CLK;
 input PORT_B_CLK_EN;
 input PORT_B_WR_EN;
 input [15:0] PORT_B_ADDR;
-input [WIDTH-1:0] PORT_B_WR_DATA;
+input [PORT_B_WIDTH-1:0] PORT_B_WR_DATA;
 wire [24-1:0] B_DATA;
-output [WIDTH-1:0] PORT_B_RD_DATA;
+output [PORT_B_WIDTH-1:0] PORT_B_RD_DATA;
+
+`include "brams_init.vh"
 
 function [15:0] raw_config1_func;
 begin
@@ -55,32 +59,32 @@ endfunction
 
 generate
     if (OPTION_STD_MODE == "NOECC_48kx1") begin
-        assign A_DATA = {24{PORT_A_WR_DATA[WIDTH-1:0]}};
-        assign B_DATA = {24{PORT_B_WR_DATA[WIDTH-1:0]}};
+        assign A_DATA = {24{PORT_A_WR_DATA[PORT_A_WIDTH-1:0]}};
+        assign B_DATA = {24{PORT_B_WR_DATA[PORT_B_WIDTH-1:0]}};
     end
     else if (OPTION_STD_MODE == "NOECC_24kx2") begin
-        assign A_DATA = {12{PORT_A_WR_DATA[WIDTH-1:0]}};
-        assign B_DATA = {12{PORT_B_WR_DATA[WIDTH-1:0]}};
+        assign A_DATA = {12{PORT_A_WR_DATA[PORT_A_WIDTH-1:0]}};
+        assign B_DATA = {12{PORT_B_WR_DATA[PORT_B_WIDTH-1:0]}};
     end
     else if (OPTION_STD_MODE == "NOECC_16kx3") begin
-        assign A_DATA = {8{PORT_A_WR_DATA[WIDTH-1:0]}};
-        assign B_DATA = {8{PORT_B_WR_DATA[WIDTH-1:0]}};
+        assign A_DATA = {8{PORT_A_WR_DATA[PORT_A_WIDTH-1:0]}};
+        assign B_DATA = {8{PORT_B_WR_DATA[PORT_B_WIDTH-1:0]}};
     end
     else if (OPTION_STD_MODE == "NOECC_12kx4") begin
-        assign A_DATA = {6{PORT_A_WR_DATA[WIDTH-1:0]}};
-        assign B_DATA = {6{PORT_B_WR_DATA[WIDTH-1:0]}};
+        assign A_DATA = {6{PORT_A_WR_DATA[PORT_A_WIDTH-1:0]}};
+        assign B_DATA = {6{PORT_B_WR_DATA[PORT_B_WIDTH-1:0]}};
     end
     else if (OPTION_STD_MODE == "NOECC_8kx6") begin
-        assign A_DATA = {4{PORT_A_WR_DATA[WIDTH-1:0]}};
-        assign B_DATA = {4{PORT_B_WR_DATA[WIDTH-1:0]}};
+        assign A_DATA = {4{PORT_A_WR_DATA[PORT_A_WIDTH-1:0]}};
+        assign B_DATA = {4{PORT_B_WR_DATA[PORT_B_WIDTH-1:0]}};
     end
     else if (OPTION_STD_MODE == "NOECC_6kx8") begin
-        assign A_DATA = {3{PORT_A_WR_DATA[WIDTH-1:0]}};
-        assign B_DATA = {3{PORT_B_WR_DATA[WIDTH-1:0]}};
+        assign A_DATA = {3{PORT_A_WR_DATA[PORT_A_WIDTH-1:0]}};
+        assign B_DATA = {3{PORT_B_WR_DATA[PORT_B_WIDTH-1:0]}};
     end
     else if (OPTION_STD_MODE == "NOECC_4kx12") begin
-        assign A_DATA = {2{PORT_A_WR_DATA[WIDTH-1:0]}};
-        assign B_DATA = {2{PORT_B_WR_DATA[WIDTH-1:0]}};
+        assign A_DATA = {2{PORT_A_WR_DATA[PORT_A_WIDTH-1:0]}};
+        assign B_DATA = {2{PORT_B_WR_DATA[PORT_B_WIDTH-1:0]}};
     end
     else if (OPTION_STD_MODE == "NOECC_2kx24") begin
         assign A_DATA = PORT_A_WR_DATA;
@@ -98,7 +102,7 @@ NX_RAM_WRAP #(
     .pckb_edge(PORT_B_CLK_POL == 1 ? 1'b0 : 1'b1),
     .raw_config0(4'b0000),
     .raw_config1(raw_config1_func()),
-    .mem_ctxt("")
+    .mem_ctxt($sformatf("%s",bram_init_to_string(INIT, 2048, 24))),
 ) _TECHMAP_REPLACE_ (
     .ACK(PORT_A_CLK),
     //.ACKS(PORT_A_CLK),
@@ -123,8 +127,8 @@ NX_RAM_WRAP #(
     //.BERR(),
     .BCS(PORT_B_CLK_EN),
     .BWE(PORT_B_WR_EN),
-    .BA(B_DATA),
-    .BI(PORT_B_WR_DATA),
+    .BA(PORT_B_ADDR),
+    .BI(B_DATA),
     .BO(PORT_B_RD_DATA)
 );
 endmodule
\ No newline at end of file
diff --git a/techlibs/nanoxplore/cells_bb.v b/techlibs/nanoxplore/cells_bb.v
index 634e29b19e7..c66bfaf08a2 100644
--- a/techlibs/nanoxplore/cells_bb.v
+++ b/techlibs/nanoxplore/cells_bb.v
@@ -90,178 +90,6 @@ endmodule
 //    parameter ring = 0;
 //endmodule
 
-(* blackbox *)
-module NX_RAM(ACK, ACKC, ACKD, ACKR, BCK, BCKC, BCKD, BCKR, AI1, AI2, AI3, AI4, AI5, AI6, AI7, AI8, AI9, AI10, AI11, AI12, AI13
-, AI14, AI15, AI16, AI17, AI18, AI19, AI20, AI21, AI22, AI23, AI24, BI1, BI2, BI3, BI4, BI5, BI6, BI7, BI8, BI9, BI10
-, BI11, BI12, BI13, BI14, BI15, BI16, BI17, BI18, BI19, BI20, BI21, BI22, BI23, BI24, ACOR, AERR, BCOR, BERR, AO1, AO2, AO3
-, AO4, AO5, AO6, AO7, AO8, AO9, AO10, AO11, AO12, AO13, AO14, AO15, AO16, AO17, AO18, AO19, AO20, AO21, AO22, AO23, AO24
-, BO1, BO2, BO3, BO4, BO5, BO6, BO7, BO8, BO9, BO10, BO11, BO12, BO13, BO14, BO15, BO16, BO17, BO18, BO19, BO20, BO21
-, BO22, BO23, BO24, AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AA10, AA11, AA12, AA13, AA14, AA15, AA16, ACS, AWE
-, AR, BA1, BA2, BA3, BA4, BA5, BA6, BA7, BA8, BA9, BA10, BA11, BA12, BA13, BA14, BA15, BA16, BCS, BWE, BR);
-    input AA1;
-    input AA10;
-    input AA11;
-    input AA12;
-    input AA13;
-    input AA14;
-    input AA15;
-    input AA16;
-    input AA2;
-    input AA3;
-    input AA4;
-    input AA5;
-    input AA6;
-    input AA7;
-    input AA8;
-    input AA9;
-    input ACK;
-    input ACKC;
-    input ACKD;
-    input ACKR;
-    output ACOR;
-    input ACS;
-    output AERR;
-    input AI1;
-    input AI10;
-    input AI11;
-    input AI12;
-    input AI13;
-    input AI14;
-    input AI15;
-    input AI16;
-    input AI17;
-    input AI18;
-    input AI19;
-    input AI2;
-    input AI20;
-    input AI21;
-    input AI22;
-    input AI23;
-    input AI24;
-    input AI3;
-    input AI4;
-    input AI5;
-    input AI6;
-    input AI7;
-    input AI8;
-    input AI9;
-    output AO1;
-    output AO10;
-    output AO11;
-    output AO12;
-    output AO13;
-    output AO14;
-    output AO15;
-    output AO16;
-    output AO17;
-    output AO18;
-    output AO19;
-    output AO2;
-    output AO20;
-    output AO21;
-    output AO22;
-    output AO23;
-    output AO24;
-    output AO3;
-    output AO4;
-    output AO5;
-    output AO6;
-    output AO7;
-    output AO8;
-    output AO9;
-    input AR;
-    input AWE;
-    input BA1;
-    input BA10;
-    input BA11;
-    input BA12;
-    input BA13;
-    input BA14;
-    input BA15;
-    input BA16;
-    input BA2;
-    input BA3;
-    input BA4;
-    input BA5;
-    input BA6;
-    input BA7;
-    input BA8;
-    input BA9;
-    input BCK;
-    input BCKC;
-    input BCKD;
-    input BCKR;
-    output BCOR;
-    input BCS;
-    output BERR;
-    input BI1;
-    input BI10;
-    input BI11;
-    input BI12;
-    input BI13;
-    input BI14;
-    input BI15;
-    input BI16;
-    input BI17;
-    input BI18;
-    input BI19;
-    input BI2;
-    input BI20;
-    input BI21;
-    input BI22;
-    input BI23;
-    input BI24;
-    input BI3;
-    input BI4;
-    input BI5;
-    input BI6;
-    input BI7;
-    input BI8;
-    input BI9;
-    output BO1;
-    output BO10;
-    output BO11;
-    output BO12;
-    output BO13;
-    output BO14;
-    output BO15;
-    output BO16;
-    output BO17;
-    output BO18;
-    output BO19;
-    output BO2;
-    output BO20;
-    output BO21;
-    output BO22;
-    output BO23;
-    output BO24;
-    output BO3;
-    output BO4;
-    output BO5;
-    output BO6;
-    output BO7;
-    output BO8;
-    output BO9;
-    input BR;
-    input BWE;
-    parameter mcka_edge = 1'b0;
-    parameter mckb_edge = 1'b0;
-    parameter mem_ctxt = "";
-    parameter pcka_edge = 1'b0;
-    parameter pckb_edge = 1'b0;
-    parameter pipe_ia = 1'b0;
-    parameter pipe_ib = 1'b0;
-    parameter pipe_oa = 1'b0;
-    parameter pipe_ob = 1'b0;
-    parameter raw_config0 = 4'b0000;
-    parameter raw_config1 = 16'b0000000000000000;
-    //parameter raw_l_enable = 1'b0;
-    //parameter raw_l_extend = 4'b0000;
-    //parameter raw_u_enable = 1'b0;
-    //parameter raw_u_extend = 8'b00000000;
-    parameter std_mode = "";
-endmodule
-
 // NX_RAM related
 (* blackbox *)
 module NX_ECC(CKD, CHK, COR, ERR);
diff --git a/techlibs/nanoxplore/cells_sim.v b/techlibs/nanoxplore/cells_sim.v
index 392ee18e4e3..8a84f12cd21 100644
--- a/techlibs/nanoxplore/cells_sim.v
+++ b/techlibs/nanoxplore/cells_sim.v
@@ -185,3 +185,206 @@ module NX_BFR(I, O);
 
     assign O = data_inv ? ~I : I;
 endmodule
+
+(* abc9_box, lib_whitebox *)
+module NX_RAM(ACK, ACKC, ACKD, ACKR, BCK, BCKC, BCKD, BCKR, AI1, AI2, AI3, AI4, AI5, AI6, AI7, AI8, AI9, AI10, AI11, AI12, AI13
+, AI14, AI15, AI16, AI17, AI18, AI19, AI20, AI21, AI22, AI23, AI24, BI1, BI2, BI3, BI4, BI5, BI6, BI7, BI8, BI9, BI10
+, BI11, BI12, BI13, BI14, BI15, BI16, BI17, BI18, BI19, BI20, BI21, BI22, BI23, BI24, ACOR, AERR, BCOR, BERR, AO1, AO2, AO3
+, AO4, AO5, AO6, AO7, AO8, AO9, AO10, AO11, AO12, AO13, AO14, AO15, AO16, AO17, AO18, AO19, AO20, AO21, AO22, AO23, AO24
+, BO1, BO2, BO3, BO4, BO5, BO6, BO7, BO8, BO9, BO10, BO11, BO12, BO13, BO14, BO15, BO16, BO17, BO18, BO19, BO20, BO21
+, BO22, BO23, BO24, AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AA10, AA11, AA12, AA13, AA14, AA15, AA16, ACS, AWE
+, AR, BA1, BA2, BA3, BA4, BA5, BA6, BA7, BA8, BA9, BA10, BA11, BA12, BA13, BA14, BA15, BA16, BCS, BWE, BR);
+    input AA1;
+    input AA10;
+    input AA11;
+    input AA12;
+    input AA13;
+    input AA14;
+    input AA15;
+    input AA16;
+    input AA2;
+    input AA3;
+    input AA4;
+    input AA5;
+    input AA6;
+    input AA7;
+    input AA8;
+    input AA9;
+    input ACK;
+    input ACKC;
+    input ACKD;
+    input ACKR;
+    output ACOR;
+    input ACS;
+    output AERR;
+    input AI1;
+    input AI10;
+    input AI11;
+    input AI12;
+    input AI13;
+    input AI14;
+    input AI15;
+    input AI16;
+    input AI17;
+    input AI18;
+    input AI19;
+    input AI2;
+    input AI20;
+    input AI21;
+    input AI22;
+    input AI23;
+    input AI24;
+    input AI3;
+    input AI4;
+    input AI5;
+    input AI6;
+    input AI7;
+    input AI8;
+    input AI9;
+    output AO1;
+    output AO10;
+    output AO11;
+    output AO12;
+    output AO13;
+    output AO14;
+    output AO15;
+    output AO16;
+    output AO17;
+    output AO18;
+    output AO19;
+    output AO2;
+    output AO20;
+    output AO21;
+    output AO22;
+    output AO23;
+    output AO24;
+    output AO3;
+    output AO4;
+    output AO5;
+    output AO6;
+    output AO7;
+    output AO8;
+    output AO9;
+    input AR;
+    input AWE;
+    input BA1;
+    input BA10;
+    input BA11;
+    input BA12;
+    input BA13;
+    input BA14;
+    input BA15;
+    input BA16;
+    input BA2;
+    input BA3;
+    input BA4;
+    input BA5;
+    input BA6;
+    input BA7;
+    input BA8;
+    input BA9;
+    input BCK;
+    input BCKC;
+    input BCKD;
+    input BCKR;
+    output BCOR;
+    input BCS;
+    output BERR;
+    input BI1;
+    input BI10;
+    input BI11;
+    input BI12;
+    input BI13;
+    input BI14;
+    input BI15;
+    input BI16;
+    input BI17;
+    input BI18;
+    input BI19;
+    input BI2;
+    input BI20;
+    input BI21;
+    input BI22;
+    input BI23;
+    input BI24;
+    input BI3;
+    input BI4;
+    input BI5;
+    input BI6;
+    input BI7;
+    input BI8;
+    input BI9;
+    output BO1;
+    output BO10;
+    output BO11;
+    output BO12;
+    output BO13;
+    output BO14;
+    output BO15;
+    output BO16;
+    output BO17;
+    output BO18;
+    output BO19;
+    output BO2;
+    output BO20;
+    output BO21;
+    output BO22;
+    output BO23;
+    output BO24;
+    output BO3;
+    output BO4;
+    output BO5;
+    output BO6;
+    output BO7;
+    output BO8;
+    output BO9;
+    input BR;
+    input BWE;
+    parameter mcka_edge = 1'b0;
+    parameter mckb_edge = 1'b0;
+    parameter mem_ctxt = "";
+    parameter pcka_edge = 1'b0;
+    parameter pckb_edge = 1'b0;
+    parameter pipe_ia = 1'b0;
+    parameter pipe_ib = 1'b0;
+    parameter pipe_oa = 1'b0;
+    parameter pipe_ob = 1'b0;
+    parameter raw_config0 = 4'b0000;
+    parameter raw_config1 = 16'b0000000000000000;
+    //parameter raw_l_enable = 1'b0;
+    //parameter raw_l_extend = 4'b0000;
+    //parameter raw_u_enable = 1'b0;
+    //parameter raw_u_extend = 8'b00000000;
+    parameter std_mode = "";
+
+    reg [24-1:0] mem [2048-1:0]; // 48 Kbit of memory
+
+    /*integer i;
+    initial begin
+        for (i = 0; i < 2048; i = i + 1)
+            mem[i] = 24'b0;
+    end*/
+
+    wire [15:0] AA = { AA16, AA15, AA14, AA13, AA12, AA11, AA10, AA9, AA8, AA7, AA6, AA5, AA4, AA3, AA2, AA1 };
+    wire [23:0] AI = { AI24, AI23, AI22, AI21, AI20, AI19, AI18, AI17, AI16, AI15, AI14, AI13, AI12, AI11, AI10, AI9, AI8, AI7, AI6, AI5, AI4, AI3, AI2, AI1 };
+    wire [23:0] AO = { AO24, AO23, AO22, AO21, AO20, AO19, AO18, AO17, AO16, AO15, AO14, AO13, AO12, AO11, AO10, AO9, AO8, AO7, AO6, AO5, AO4, AO3, AO2, AO1 };
+    wire [15:0] BA = { BA16, BA15, BA14, BA13, BA12, BA11, BA10, BA9, BA8, BA7, BA6, BA5, BA4, BA3, BA2, BA1 };
+    wire [23:0] BI = { BI24, BI23, BI22, BI21, BI20, BI19, BI18, BI17, BI16, BI15, BI14, BI13, BI12, BI11, BI10, BI9, BI8, BI7, BI6, BI5, BI4, BI3, BI2, BI1 };
+    wire [23:0] BO = { BO24, BO23, BO22, BO21, BO20, BO19, BO18, BO17, BO16, BO15, BO14, BO13, BO12, BO11, BO10, BO9, BO8, BO7, BO6, BO5, BO4, BO3, BO2, BO1 };
+
+    always @(posedge ACK)
+        if (AWE)
+            mem[AA[10:0]] <= AI;
+        else
+            { AO24, AO23, AO22, AO21, AO20, AO19, AO18, AO17, AO16, AO15, AO14, AO13, AO12, AO11, AO10, AO9, AO8, AO7, AO6, AO5, AO4, AO3, AO2, AO1 } <= mem[AA[10:0]];
+    assign ACOR = 1'b0;
+    assign AERR = 1'b0;
+
+    always @(posedge BCK)
+        if (BWE)
+            mem[BA[10:0]] <= BI;
+        else
+            { BO24, BO23, BO22, BO21, BO20, BO19, BO18, BO17, BO16, BO15, BO14, BO13, BO12, BO11, BO10, BO9, BO8, BO7, BO6, BO5, BO4, BO3, BO2, BO1 } <= mem[BA[10:0]];
+    assign BCOR = 1'b0;
+    assign BERR = 1'b0;
+endmodule