diff --git a/boards/uniboard2/libraries/unb2_board/quartus/pinning/unb2_ddr_pins.tcl b/boards/uniboard2/libraries/unb2_board/quartus/pinning/unb2_ddr_pins.tcl
index ea62836a1e841b1f3d1d30e05ab68bcd1c34bf58..9664467e704571f0f43089246a9def17d6870d05 100644
--- a/boards/uniboard2/libraries/unb2_board/quartus/pinning/unb2_ddr_pins.tcl
+++ b/boards/uniboard2/libraries/unb2_board/quartus/pinning/unb2_ddr_pins.tcl
@@ -21,33 +21,33 @@ set_location_assignment PIN_BB16 -to MB_I_OU.ba[0]
 set_location_assignment PIN_BD16 -to MB_I_OU.ba[1]
 set_location_assignment PIN_BC16 -to MB_I_OU.bg[0]
 set_location_assignment PIN_AW19 -to MB_I_OU.bg[1]
-set_location_assignment PIN_BA15 -to MB_I_OU.a[15]      # was: MB_I_CAS_A15
-set_location_assignment PIN_BC21 -to MB_I_CB[0]         # ?
-set_location_assignment PIN_BA22 -to MB_I_CB[1]         # ?
-set_location_assignment PIN_BD21 -to MB_I_CB[2]         # ?
-set_location_assignment PIN_BB20 -to MB_I_CB[3]         # ?
-set_location_assignment PIN_BA20 -to MB_I_CB[4]         # ?
-set_location_assignment PIN_BD20 -to MB_I_CB[5]         # ?
-set_location_assignment PIN_AY20 -to MB_I_CB[6]         # ?
-set_location_assignment PIN_AY22 -to MB_I_CB[7]         # ?
-set_location_assignment PIN_AU18 -to MB_I_OU.ck[0]      # was: MB_I_CK[0]
-set_location_assignment PIN_AV18 -to MB_I_OU.ck_n[0]    # was: MB_I_CK_n[0]
-set_location_assignment PIN_AT16 -to MB_I_OU.ck[1]      # was: MB_I_CK[1]    # size ck 1 or 2? see: c_tech_ddr4_max in tech_ddr_pkg.vhd
-set_location_assignment PIN_AU16 -to MB_I_OU.ck_n[1]    # was: MB_I_CK_n[1]  # size ck_n 1 or 2?
-set_location_assignment PIN_BB19 -to MB_I_OU.cke[0]     # was: MB_I_CKE[0]
-set_location_assignment PIN_AP16 -to MB_I_OU.cke[1]     # was: MB_I_CKE[1]   # size cke 1 or 2?
-set_location_assignment PIN_AY19 -to MB_I_OU.cs_n[0]    # was: MB_I_CS[0]                        # inverted!?
-set_location_assignment PIN_AN16 -to MB_I_OU.cs_n[1]    # was: MB_I_CS[1]    # size cs 1 or 2?   # inverted!?
-set_location_assignment PIN_BC29 -to MB_I_DM[0]         # ?
-set_location_assignment PIN_AR27 -to MB_I_DM[1]         # ?
-set_location_assignment PIN_BD24 -to MB_I_DM[2]         # ?
-set_location_assignment PIN_AM23 -to MB_I_DM[3]         # ?
-set_location_assignment PIN_AU12 -to MB_I_DM[4]         # ?
-set_location_assignment PIN_AU13 -to MB_I_DM[5]         # ?
-set_location_assignment PIN_AM14 -to MB_I_DM[6]         # ?
-set_location_assignment PIN_AM16 -to MB_I_DM[7]         # ?
-set_location_assignment PIN_BA21 -to MB_I_DM[8]         # ?
-set_location_assignment PIN_BA28 -to MB_I_IO.dqs[0]     # what about the dqs_n lines?
+set_location_assignment PIN_BA15 -to MB_I_OU.a[15]      ;# was: MB_I_CAS_A15
+set_location_assignment PIN_BC21 -to MB_I_CB[0]         ;# ?
+set_location_assignment PIN_BA22 -to MB_I_CB[1]         ;# ?
+set_location_assignment PIN_BD21 -to MB_I_CB[2]         ;# ?
+set_location_assignment PIN_BB20 -to MB_I_CB[3]         ;# ?
+set_location_assignment PIN_BA20 -to MB_I_CB[4]         ;# ?
+set_location_assignment PIN_BD20 -to MB_I_CB[5]         ;# ?
+set_location_assignment PIN_AY20 -to MB_I_CB[6]         ;# ?
+set_location_assignment PIN_AY22 -to MB_I_CB[7]         ;# ?
+set_location_assignment PIN_AU18 -to MB_I_OU.ck[0]      ;# was: MB_I_CK[0]
+set_location_assignment PIN_AV18 -to MB_I_OU.ck_n[0]    ;# was: MB_I_CK_n[0]
+set_location_assignment PIN_AT16 -to MB_I_OU.ck[1]      ;# was: MB_I_CK[1]    # size ck 1 or 2? see: c_tech_ddr4_max in tech_ddr_pkg.vhd
+set_location_assignment PIN_AU16 -to MB_I_OU.ck_n[1]    ;# was: MB_I_CK_n[1]  # size ck_n 1 or 2?
+set_location_assignment PIN_BB19 -to MB_I_OU.cke[0]     ;# was: MB_I_CKE[0]
+set_location_assignment PIN_AP16 -to MB_I_OU.cke[1]     ;# was: MB_I_CKE[1]   # size cke 1 or 2?
+set_location_assignment PIN_AY19 -to MB_I_OU.cs_n[0]    ;# was: MB_I_CS[0]                        # inverted!?
+set_location_assignment PIN_AN16 -to MB_I_OU.cs_n[1]    ;# was: MB_I_CS[1]    # size cs 1 or 2?   # inverted!?
+set_location_assignment PIN_BC29 -to MB_I_DM[0]         ;# ?
+set_location_assignment PIN_AR27 -to MB_I_DM[1]         ;# ?
+set_location_assignment PIN_BD24 -to MB_I_DM[2]         ;# ?
+set_location_assignment PIN_AM23 -to MB_I_DM[3]         ;# ?
+set_location_assignment PIN_AU12 -to MB_I_DM[4]         ;# ?
+set_location_assignment PIN_AU13 -to MB_I_DM[5]         ;# ?
+set_location_assignment PIN_AM14 -to MB_I_DM[6]         ;# ?
+set_location_assignment PIN_AM16 -to MB_I_DM[7]         ;# ?
+set_location_assignment PIN_BA21 -to MB_I_DM[8]         ;# ?
+set_location_assignment PIN_BA28 -to MB_I_IO.dqs[0]     ;# what about the dqs_n lines?
 set_location_assignment PIN_AM28 -to MB_I_IO.dqs[1]
 set_location_assignment PIN_AV24 -to MB_I_IO.dqs[2]
 set_location_assignment PIN_AN24 -to MB_I_IO.dqs[3]
@@ -58,15 +58,15 @@ set_location_assignment PIN_AK15 -to MB_I_IO.dqs[7]
 set_location_assignment PIN_BC22 -to MB_I_IO.dqs[8]
 
 set_location_assignment PIN_BD19 -to MB_I_OU.odt[0]
-set_location_assignment PIN_AR17 -to MB_I_OU.odt[1]     # size odt 1 or 2?
+set_location_assignment PIN_AR17 -to MB_I_OU.odt[1]     ;# size odt 1 or 2?
 set_location_assignment PIN_BC18 -to MB_I_OU.par
-set_location_assignment PIN_BB15 -to MB_I_OU.a[16]      # was: MB_I_RAS_A16
+set_location_assignment PIN_BB15 -to MB_I_OU.a[16]      ;# was: MB_I_RAS_A16
 
 set_location_assignment PIN_AW17 -to MB_I_REF_CLK
 
 set_location_assignment PIN_AV19 -to MB_I_OU.reset_n
-set_location_assignment PIN_AY17 -to MB_I_IN.oct_rzqin  # was: MB_I_RZQ  (correct?)
-set_location_assignment PIN_BC17 -to MB_I_OU.a[14]      # was: MB_I_WE_A14
+set_location_assignment PIN_AY17 -to MB_I_IN.oct_rzqin  ;# was: MB_I_RZQ  (correct?)
+set_location_assignment PIN_BC17 -to MB_I_OU.a[14]      ;# was: MB_I_WE_A14
 
 
 # FIXME: below edit not ready (fix pending questions above first ^ )