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Prepare the Allegro design(s) for migration, as follows: 
 - Copy all data in the dictionary C:\MentorGraphics\9.4PADS\SDD_HOME\translators\skill_scripts into $HOME\pcbenv folder. 
 - Open the design file and in the Allegro command prompt window enter these command lines: 
     Command> skill load “dfl_main” (include quotes) 
     Command> main out 
 - Then, the Allegro to Wxpedition Translator box is appeared, click "Start One Way" 
 - When the SKILL script has completed, if any errors were found, fix them and rerun the SKILL script. The migration will not complete correctly if all errors      are not fixed. 
 
2.Allegro to PADs maspping table. 
From Allegro Element -> To PADS Element 
Assy_Line -> Not Supported 
Board Outline -> Board Outline object 
Break Outs -> Traces & Vias (Fanouts) 
Component_Body Outline_1 -> User layer (Component Body Outline_1) 
Component_Body Outline_2 -> User layer (Component Body Outline_2) 
DAM -> Not Supported 
Dielectric -> Not Supported 
Dimension_Keepout -> Not Supported 
Drill -> Not Supported 
Error -> Not Supported 
Fixture_Outline -> Not Supported 
Force -> Not Supported 
Glue_Mask_1 -> Not Supported 
Glue_Mask_2 -> Not Supported 
Head_Insertion -> Not Supported 
Insertion_Machine_Keepout -> User layer (Insertion) 
Milling -> Not Supported 
One-Way_Region -> User layer (One Way Region) 
Panel_Outline -> Not Supported 
Paste_Mask_1 -> Paste Mask Top 
Paste_Mask_2 -> Paste Mask Bottom 
Place_1 -> Layer 20 (Placement Outline) 
Place_2 -> Layer 20 (Placement Outline) 
Placement_Keepout_1 -> User layer 
Placement_Keepout_2 -> User layer 
 
Placement_Region_1 -> User layer 
Placement_Region_2 -> User layer 
Power Plane -> Layer 
Prepreg -> Not Supported 
Probe_1 and Probe_2 -> Not Supported 
Probe_Area -> Not Supported 
Probe_Symbol N-> ot Supported 
Routing_Keepout -> Keepout  (Trace & Via) 
Shape_Edit -> Not Supported 
Sheet_Dielectric -> Not Supported 
Signal_X -> Layer (Signal) 
Silkscreen_1 -> Silkscreen Outline Top 
Silkscreen_2 -> Silkscreen Outline Bottom 
Solder_Paste_1 -> Paste Mask Top 
Solder_Paste_2 -> Paste Mask Bottom 
Soldermask_1 -> Soldermask Top 
Soldermask_2 -> Soldermask Bottom 
Test Points -> Test Points 
TestPoint_Keepout -> Not Supported 
TestPoint_Outline -> Not Supported 
TestPoint_Reference -> Not Supported 
Thermal -> Supported 
Trace Keepout -> Keepout (Trace) 
User Defined Layer -> User layer 
Via Keepout -> Keepout (Via) 
Aperture Table -> Not Supported 
Artwork Format -> Not Supported 
Artwork Simulation -> Not Supported 
Artwork Stackup -> Not Supported 
 
Drill Simulation -> Not Supported 
Drill Table -> Not Supported 
Mill Table -> Not Supported 
Area Fills -> Copper Pour or Plane Area 
Area Fills (Protected) -> Copper Pour or Plane Area 
Area Fill Tie Bar and Cutouts -> Not Supported 
Classic Area Fills -> Copper Pour or Plane Area 
Cutouts -> Copper Keepout 
Cutouts (Protected) -> Copper Keepout 
No Connect Rules -> Not supported 
Placement Outline -> Not Supported 
Power Fill -> Plane Layer 
Route Keepout -> Keepout (Trace) 
Signal Layer -> Electrical Layer 
Split Power Planes -> Plane Layer 
Trace Keepout -> Keepout (Trace) 
Via Keepout -> Keepout (Via) 
Color map settings -> Not Supported 
Component Ref. Des. (Top) -> Ref. Des. on Silkscreen Top 
Component Ref. Des. (Bottom) -> Ref. Des. on Silkscreen Bottom 
Dimensioning -> Not Supported 
Drill Symbols -> Supported 
Guides -> Not supported 
Net Type Patterns -> Not Supported 
Part Name -> Not Supported 
Pin Ref. Des. -> Pin Numbers 
Shapes on User Defined Layers -> Shapes on User Layers 
 
Shapes on Route Layers -> Shapes on Routing Layers 
Targets/Registration Marks -> Graphics on User Layers 
Text on User Defined Layer -> Text on User Layer 
Text on Route Layer -> Text (Keepout) 
Blind Padstacks -> SMD Padstacks 
Blind/Buried Vias -> Buried Vias 
Blind/Buried Vias (Protected) -> Buried Vias 
 
Break Outs (Protected) T-> races & Vias 
Breakouts (Component) -> Traces 
Buried Padstacks -> Only for 2 pin parts, maps to Buried Part 
Component Type Rules -> Not Supported 
Components -> Parts 
Components (Fixed) -> Parts 
Components (Protected) -> Parts 
Drilled Holes -> Part Holes 
Fixed Components -> Parts 
Jumpers -> Parts 
MicroVias -> Vias (small diameter) 
MicroVias (Protected) -> Vias (small diameter) 
Mounting Holes -> Additional pins in decal 
No Cleanup Vias -> Vias 
Pins (Protected) -> Parts 
Reuse Block (Primitive) -> Treated as single component 
Reuse Block (Replica linked) -> Components and traces 
Reuse Block (Replica un-linked) -> Treated as editable components & traces 
Reuse Block (Smashed linked) -> Components and traces 
Reuse Block (Smashed un-linked) -> Treated as editable components & traces 
Shield Trace -> Traces 
 
Shield Trace (Protected) -> Traces 
Teardrops -> Not Supported 
Test Coupon -> Not Supported 
Test Points -> Test Points 
Through Padstacks -> Through Padstacks 
Through Vias -> Through Vias 
Through Vias (Protected) -> Through Vias 
Traces -> Traces 
Traces (Protected) -> Traces 
Traces in Cell -> Not supported 
Component to Component Rules -> Supported 
Component Type Rules -> Not Supported 
Highspeed Rules -> Not supported 
Hybird Objects -> Not Supported 
MCM Objects -> Not Supported 
Net Types -> Net Classes 
Pin Type, SLT -> Not Supported 
RF Objects -> Not Supported 
Thermal -> Not Supported 
Variants -> Not Supported 
 
 
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