diff --git a/cpld/WarpSE-XC95144XL.ucf b/cpld/WarpSE-XC95144XL.ucf
index 3a46ecc..fb7e37b 100644
--- a/cpld/WarpSE-XC95144XL.ucf
+++ b/cpld/WarpSE-XC95144XL.ucf
@@ -30,11 +30,11 @@ NET "nADoutLE0"  LOC = "P85"  ;
 NET "nADoutLE1"  LOC = "P82"  ; 
 NET "nAoutOE"  LOC = "P87"  ; 
 NET "nAS_FSB"  LOC = "P32"  ; 
-NET "nAS_IOB"  LOC = "P81"  ; 
+NET "nAS_IOB"  LOC = "P81" | SLEW = SLOW  ; 
 NET "nBERR_FSB"  LOC = "P70"  ; 
 NET "nBERR_IOB"  LOC = "P76"  ; 
 NET "nBG_IOB"  LOC = "P73"  ;
-NET "nBR_IOB"  LOC = "P72"  ;
+NET "nBR_IOB"  LOC = "P72" | SLEW=SLOW  ;
 NET "nCAS"  LOC = "P36"  ; 
 NET "nDinLE"  LOC = "P86"  ; 
 NET "nDinOE"  LOC = "P90"  ; 
@@ -43,17 +43,17 @@ NET "nDTACK_FSB"  LOC = "P28"  ;
 NET "nDTACK_IOB"  LOC = "P78"  ; 
 NET "nIPL2"  LOC = "P92"  ;
 NET "nLDS_FSB"  LOC = "P30"  ; 
-NET "nLDS_IOB"  LOC = "P79"  ; 
+NET "nLDS_IOB"  LOC = "P79" | SLEW=SLOW  ; 
 NET "nOE"  LOC = "P37"  ; 
 NET "nRAMLWE"  LOC = "P65"  ; 
 NET "nRAMUWE"  LOC = "P66"  ; 
 NET "nRAS"  LOC = "P64"  ; 
-NET "nRES"  LOC = "P91"  ; 
+NET "nRES"  LOC = "P91" | SLEW=SLOW  ; 
 NET "nROMOE"  LOC = "P35"  ; 
 NET "nROMWE"  LOC = "P34"  ; 
 NET "nUDS_FSB"  LOC = "P33"  ; 
-NET "nUDS_IOB"  LOC = "P80"  ; 
-NET "nVMA_IOB"  LOC = "P74"  ; 
+NET "nUDS_IOB"  LOC = "P80" | SLEW=SLOW  ; 
+NET "nVMA_IOB"  LOC = "P74" | SLEW=SLOW  ; 
 NET "nVPA_FSB"  LOC = "P93"  ; 
 NET "nVPA_IOB"  LOC = "P77"  ; 
 NET "nWE_FSB"  LOC = "P29"  ;