diff --git a/data/eng/Makefile b/data/eng/Makefile
index aad79f8e03..fa1cffc89d 100644
--- a/data/eng/Makefile
+++ b/data/eng/Makefile
@@ -139,8 +139,8 @@ FASM_PROGRAMS:=\
  drivers/dec21x4x.obj:DRIVERS/DEC21X4X.obj:$(REPOSITORY)/drivers/ethernet/dec21x4x.asm \
  drivers/forcedeth.obj:DRIVERS/FORCEDETH.obj:$(REPOSITORY)/drivers/ethernet/forcedeth.asm \
  drivers/i8254x.sys:DRIVERS/I8254X.SYS:$(REPOSITORY)/drivers/ethernet/i8254x.asm \
- drivers/i8255x.obj:DRIVERS/I8255X.obj:$(REPOSITORY)/drivers/ethernet/i8255x.asm \
- drivers/mtd80x.obj:DRIVERS/MTD80X.obj:$(REPOSITORY)/drivers/ethernet/mtd80x.asm \
+ drivers/i8255x.sys:DRIVERS/I8255X.SYS:$(REPOSITORY)/drivers/ethernet/i8255x.asm \
+ drivers/mtd80x.sys:DRIVERS/MTD80X.SYS:$(REPOSITORY)/drivers/ethernet/mtd80x.asm \
  drivers/pcnet32.sys:DRIVERS/PCNET32.SYS:$(REPOSITORY)/drivers/ethernet/pcnet32.asm \
  drivers/r6040.obj:DRIVERS/R6040.obj:$(REPOSITORY)/drivers/ethernet/R6040.asm \
  drivers/rhine.obj:DRIVERS/RHINE.obj:$(REPOSITORY)/drivers/ethernet/rhine.asm \
diff --git a/data/et/Makefile b/data/et/Makefile
index 112ed7ffd7..750939fabd 100644
--- a/data/et/Makefile
+++ b/data/et/Makefile
@@ -139,8 +139,8 @@ FASM_PROGRAMS:=\
  drivers/dec21x4x.obj:DRIVERS/DEC21X4X.obj:$(REPOSITORY)/drivers/ethernet/dec21x4x.asm \
  drivers/forcedeth.obj:DRIVERS/FORCEDETH.obj:$(REPOSITORY)/drivers/ethernet/forcedeth.asm \
  drivers/i8254x.sys:DRIVERS/I8254X.SYS:$(REPOSITORY)/drivers/ethernet/i8254x.asm \
- drivers/i8255x.obj:DRIVERS/I8255X.obj:$(REPOSITORY)/drivers/ethernet/i8255x.asm \
- drivers/mtd80x.obj:DRIVERS/MTD80X.obj:$(REPOSITORY)/drivers/ethernet/mtd80x.asm \
+ drivers/i8255x.sys:DRIVERS/I8255X.SYS:$(REPOSITORY)/drivers/ethernet/i8255x.asm \
+ drivers/mtd80x.sys:DRIVERS/MTD80X.SYS:$(REPOSITORY)/drivers/ethernet/mtd80x.asm \
  drivers/pcnet32.sys:DRIVERS/PCNET32.SYS:$(REPOSITORY)/drivers/ethernet/pcnet32.asm \
  drivers/r6040.obj:DRIVERS/R6040.obj:$(REPOSITORY)/drivers/ethernet/R6040.asm \
  drivers/rhine.obj:DRIVERS/RHINE.obj:$(REPOSITORY)/drivers/ethernet/rhine.asm \
diff --git a/data/it/Makefile b/data/it/Makefile
index 24649625cc..78d5bf5ef5 100644
--- a/data/it/Makefile
+++ b/data/it/Makefile
@@ -139,8 +139,8 @@ FASM_PROGRAMS:=\
  drivers/dec21x4x.obj:DRIVERS/DEC21X4X.obj:$(REPOSITORY)/drivers/ethernet/dec21x4x.asm \
  drivers/forcedeth.obj:DRIVERS/FORCEDETH.obj:$(REPOSITORY)/drivers/ethernet/forcedeth.asm \
  drivers/i8254x.sys:DRIVERS/I8254X.SYS:$(REPOSITORY)/drivers/ethernet/i8254x.asm \
- drivers/i8255x.obj:DRIVERS/I8255X.obj:$(REPOSITORY)/drivers/ethernet/i8255x.asm \
- drivers/mtd80x.obj:DRIVERS/MTD80X.obj:$(REPOSITORY)/drivers/ethernet/mtd80x.asm \
+ drivers/i8255x.sys:DRIVERS/I8255X.SYS:$(REPOSITORY)/drivers/ethernet/i8255x.asm \
+ drivers/mtd80x.sys:DRIVERS/MTD80X.SYS:$(REPOSITORY)/drivers/ethernet/mtd80x.asm \
  drivers/pcnet32.sys:DRIVERS/PCNET32.SYS:$(REPOSITORY)/drivers/ethernet/pcnet32.asm \
  drivers/r6040.obj:DRIVERS/R6040.obj:$(REPOSITORY)/drivers/ethernet/R6040.asm \
  drivers/rhine.obj:DRIVERS/RHINE.obj:$(REPOSITORY)/drivers/ethernet/rhine.asm \
diff --git a/data/sp/Makefile b/data/sp/Makefile
index ab7fc5d86f..5f06df646a 100644
--- a/data/sp/Makefile
+++ b/data/sp/Makefile
@@ -139,8 +139,8 @@ FASM_PROGRAMS:=\
  drivers/dec21x4x.obj:DRIVERS/DEC21X4X.obj:$(REPOSITORY)/drivers/ethernet/dec21x4x.asm \
  drivers/forcedeth.obj:DRIVERS/FORCEDETH.obj:$(REPOSITORY)/drivers/ethernet/forcedeth.asm \
  drivers/i8254x.sys:DRIVERS/I8254X.SYS:$(REPOSITORY)/drivers/ethernet/i8254x.asm \
- drivers/i8255x.obj:DRIVERS/I8255X.obj:$(REPOSITORY)/drivers/ethernet/i8255x.asm \
- drivers/mtd80x.obj:DRIVERS/MTD80X.obj:$(REPOSITORY)/drivers/ethernet/mtd80x.asm \
+ drivers/i8255x.sys:DRIVERS/I8255X.SYS:$(REPOSITORY)/drivers/ethernet/i8255x.asm \
+ drivers/mtd80x.sys:DRIVERS/MTD80X.SYS:$(REPOSITORY)/drivers/ethernet/mtd80x.asm \
  drivers/pcnet32.sys:DRIVERS/PCNET32.SYS:$(REPOSITORY)/drivers/ethernet/pcnet32.asm \
  drivers/r6040.obj:DRIVERS/R6040.obj:$(REPOSITORY)/drivers/ethernet/R6040.asm \
  drivers/rhine.obj:DRIVERS/RHINE.obj:$(REPOSITORY)/drivers/ethernet/rhine.asm \
diff --git a/drivers/ethernet/i8255x.asm b/drivers/ethernet/i8255x.asm
index cca69a6186..7f7315a57d 100644
--- a/drivers/ethernet/i8255x.asm
+++ b/drivers/ethernet/i8255x.asm
@@ -32,7 +32,7 @@ entry START
 
         DEBUG                   = 1
         __DEBUG__               = 1
-        __DEBUG_LEVEL__         = 1             ; 1 = verbose, 2 = errors only
+        __DEBUG_LEVEL__         = 2             ; 1 = verbose, 2 = errors only
 
 section '.flat' readable writable executable
 
diff --git a/drivers/ethernet/pcnet32.asm b/drivers/ethernet/pcnet32.asm
index e330942fdc..e3a1767cba 100644
--- a/drivers/ethernet/pcnet32.asm
+++ b/drivers/ethernet/pcnet32.asm
@@ -24,7 +24,7 @@ entry START
         MAX_DEVICES             = 16
 
         __DEBUG__               = 1
-        __DEBUG_LEVEL__         = 1             ; 1 = verbose, 2 = errors only
+        __DEBUG_LEVEL__         = 2             ; 1 = verbose, 2 = errors only
 
         TX_RING_SIZE            = 4
         RX_RING_SIZE            = 4