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Contents Before you begin . 19 Welcome . 19 How to use this guide . 19 Symbols and conventions . 20 Related documentation . 21 Chapter 1 The Layout design flow . 23 Layout master workflow . 23 Board-level schematic . 25 Component placement . 25 Board routing . 26 Post processing . 27 Intertool communication . 27 Chapter 2 Getting started . 29 Opening a design . 29 AutoECO . 33 Starting a new board design with AutoECO . 37 Matching footprint pin names to schematic pin numbers . 38 Resolving missing footprint errors . 39 Resolving other AutoECO errors . 40 Creating a design without a netlist . 41 Saving a board . 43 Closing a board and exiting Layout . 44 Chapter 3 The Layout design environment . 45 User interface . 45 The Session Frame . 45 The design window . 46 The library manager . 47 OrCAD Layout User's Guide 3 Contents The session log . 48 The toolbar . 49 The status bar . 53 Query window . 53 Pop-up menu . 54 Selecting and deselecting objects . 55 The mouse, pointer and cursor . 61 Density Graph window . 62 Viewing the current coordinates . 64 Viewing the place grid . 64 Viewing the current layer . 64 Using the postage stamp view . 65 The Help System . 65 Spreadsheets . 66 Editing spreadsheet information . 68 Statistics spreadsheet . 69 Layers spreadsheet . 70 Padstacks spreadsheet . 70 Footprints spreadsheet . 72 Packages spreadsheets . 73 Components spreadsheet . 74 Nets spreadsheet . 75 Obstacles spreadsheet . 76 Text spreadsheet . 77 Error Markers spreadsheet . 77 Drills spreadsheet . 78 Apertures spreadsheet . 79 Color spreadsheet . 80 Post Process spreadsheet . 81 Place Pass spreadsheet . 83 Editing object properties . 83 Setting environment preferences . 84 Using and assigning colors . 87 Assigning a color to an object . 88 Assigning a color to a board layer . 90 Changing the visibility of a layer or an object . 91 Using color rules . 94 Layer 0 (Zero) . 95 Zooming . 96 Numerical boundaries for Layout . 99 Shortcuts . 101 Global action shortcuts . 101 File menu shortcuts . 103 4 OrCAD Layout User's Guide Contents Edit menu shortcuts . 103 View menu shortcuts . 103 Tool menu shortcuts . 104 Options menu shortcuts . 106 Auto menu shortcuts . 106 Window menu shortcuts . 107 Window and spreadsheet shortcuts . 107 Layer number shortcuts . 108 Chapter 4 Layout files and file translation . 111 System files . 111 Design files . 117 Library files . 117 Report files . 117 Netlist files . 118 Board files . 119 Board templates . 119 Technology templates . 119 Strategy files . 124 MAX ASCII files . ..