diff --git a/AVRsack.xcodeproj/project.pbxproj b/AVRsack.xcodeproj/project.pbxproj
index 4b327d4..ca93ac8 100644
--- a/AVRsack.xcodeproj/project.pbxproj
+++ b/AVRsack.xcodeproj/project.pbxproj
@@ -21,9 +21,9 @@
 		9538E0EC1A8FB215001E02CC /* ACEView.framework in CopyFiles */ = {isa = PBXBuildFile; fileRef = 95EA325B1A17B8DA00F66EB0 /* ACEView.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		95468DDF1A228BE600668EE2 /* ASHardware.swift in Sources */ = {isa = PBXBuildFile; fileRef = 95468DDE1A228BE600668EE2 /* ASHardware.swift */; };
 		95468DE31A228E1300668EE2 /* Defaults.plist in Resources */ = {isa = PBXBuildFile; fileRef = 95468DE21A228E1300668EE2 /* Defaults.plist */; };
+		9548A7CA1AED51530090FB0B /* ASSerialWin.xib in Resources */ = {isa = PBXBuildFile; fileRef = 9548A7CC1AED51530090FB0B /* ASSerialWin.xib */; };
 		95539B681A3E7EAF00D8595C /* ASSerial.mm in Sources */ = {isa = PBXBuildFile; fileRef = 95539B671A3E7EAF00D8595C /* ASSerial.mm */; };
 		956005F41A4EF79D00327007 /* ASSerialWin.swift in Sources */ = {isa = PBXBuildFile; fileRef = 956005F21A4EF79D00327007 /* ASSerialWin.swift */; };
-		956005F51A4EF79D00327007 /* ASSerialWin.xib in Resources */ = {isa = PBXBuildFile; fileRef = 956005F31A4EF79D00327007 /* ASSerialWin.xib */; };
 		95A7C6401A38914300EF1963 /* ASPreferences.xib in Resources */ = {isa = PBXBuildFile; fileRef = 95A7C63E1A38914300EF1963 /* ASPreferences.xib */; };
 		95A7C6461A3894C900EF1963 /* ASPreferences.swift in Sources */ = {isa = PBXBuildFile; fileRef = 95A7C6451A3894C900EF1963 /* ASPreferences.swift */; };
 		95BF80EB1A185C9E0004A693 /* ASFileTree.swift in Sources */ = {isa = PBXBuildFile; fileRef = 95BF80EA1A185C9E0004A693 /* ASFileTree.swift */; };
@@ -109,10 +109,10 @@
 		95388E611AB7235000061435 /* ASVestigial.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = ASVestigial.mm; sourceTree = "<group>"; };
 		95468DDE1A228BE600668EE2 /* ASHardware.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ASHardware.swift; sourceTree = "<group>"; };
 		95468DE21A228E1300668EE2 /* Defaults.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = Defaults.plist; sourceTree = "<group>"; };
+		9548A7CB1AED51530090FB0B /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/ASSerialWin.xib; sourceTree = "<group>"; };
 		95539B661A3E7EAF00D8595C /* ASSerial.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ASSerial.h; sourceTree = "<group>"; };
 		95539B671A3E7EAF00D8595C /* ASSerial.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = ASSerial.mm; sourceTree = "<group>"; };
 		956005F21A4EF79D00327007 /* ASSerialWin.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ASSerialWin.swift; sourceTree = "<group>"; };
-		956005F31A4EF79D00327007 /* ASSerialWin.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; path = ASSerialWin.xib; sourceTree = "<group>"; };
 		958D76811A17DA1C00917D96 /* AVRsack-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "AVRsack-Bridging-Header.h"; sourceTree = "<group>"; };
 		95A7C63F1A38914300EF1963 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/ASPreferences.xib; sourceTree = "<group>"; };
 		95A7C6451A3894C900EF1963 /* ASPreferences.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ASPreferences.swift; sourceTree = "<group>"; };
@@ -241,7 +241,7 @@
 				95CC3F041A6385B8003507AD /* MdSrcIcon.icns */,
 				9501D80A1A17025C0034C530 /* MainMenu.xib */,
 				9501D8051A17025C0034C530 /* ASProjDoc.xib */,
-				956005F31A4EF79D00327007 /* ASSerialWin.xib */,
+				9548A7CC1AED51530090FB0B /* ASSerialWin.xib */,
 				95A7C63E1A38914300EF1963 /* ASPreferences.xib */,
 				95468DE21A228E1300668EE2 /* Defaults.plist */,
 			);
@@ -383,7 +383,7 @@
 				95A7C6401A38914300EF1963 /* ASPreferences.xib in Resources */,
 				95CC3F091A6385B8003507AD /* InoIcon.icns in Resources */,
 				95468DE31A228E1300668EE2 /* Defaults.plist in Resources */,
-				956005F51A4EF79D00327007 /* ASSerialWin.xib in Resources */,
+				9548A7CA1AED51530090FB0B /* ASSerialWin.xib in Resources */,
 				9501D8071A17025C0034C530 /* ASProjDoc.xib in Resources */,
 				950AB9271A296A160033A9DA /* ProjIcon.icns in Resources */,
 				9501D8091A17025C0034C530 /* Images.xcassets in Resources */,
@@ -466,6 +466,14 @@
 			name = MainMenu.xib;
 			sourceTree = "<group>";
 		};
+		9548A7CC1AED51530090FB0B /* ASSerialWin.xib */ = {
+			isa = PBXVariantGroup;
+			children = (
+				9548A7CB1AED51530090FB0B /* Base */,
+			);
+			name = ASSerialWin.xib;
+			sourceTree = "<group>";
+		};
 		95A7C63E1A38914300EF1963 /* ASPreferences.xib */ = {
 			isa = PBXVariantGroup;
 			children = (
diff --git a/AVRsack/Base.lproj/ASPreferences.xib b/AVRsack/Base.lproj/ASPreferences.xib
index 1b03559..2f90bd7 100644
--- a/AVRsack/Base.lproj/ASPreferences.xib
+++ b/AVRsack/Base.lproj/ASPreferences.xib
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="6250" systemVersion="14C79" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="7531" systemVersion="14D136" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="6250"/>
+        <development version="6200" identifier="xcode"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="7531"/>
     </dependencies>
     <objects>
         <customObject id="-2" userLabel="File's Owner" customClass="ASPreferences" customModule="AVRsack" customModuleProvider="target">
diff --git a/AVRsack/Base.lproj/ASProjDoc.xib b/AVRsack/Base.lproj/ASProjDoc.xib
index 612e421..5c088e1 100644
--- a/AVRsack/Base.lproj/ASProjDoc.xib
+++ b/AVRsack/Base.lproj/ASProjDoc.xib
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="8052.1" systemVersion="14C1510" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="7531" systemVersion="14D136" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="8052.1"/>
+        <development version="6200" identifier="xcode"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="7531"/>
         <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
     </dependencies>
     <objects>
@@ -34,24 +35,24 @@
                             <box autoresizesSubviews="NO" title="Box" boxType="custom" borderType="none" titlePosition="noTitle" id="0X4-Im-JAh">
                                 <rect key="frame" x="0.0" y="0.0" width="229" height="500"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
-                                <view key="contentView" id="lVt-bf-lMt">
+                                <view key="contentView">
                                     <rect key="frame" x="0.0" y="0.0" width="229" height="500"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                     <subviews>
                                         <scrollView misplaced="YES" autohidesScrollers="YES" horizontalLineScroll="19" horizontalPageScroll="10" verticalLineScroll="19" verticalPageScroll="10" usesPredominantAxisScrolling="NO" translatesAutoresizingMaskIntoConstraints="NO" id="ObX-J0-NIB">
                                             <rect key="frame" x="0.0" y="0.0" width="2" height="2"/>
-                                            <clipView key="contentView" id="kme-nx-YDz">
+                                            <clipView key="contentView" misplaced="YES" id="kme-nx-YDz">
                                                 <rect key="frame" x="1" y="0.0" width="238" height="134"/>
                                                 <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                                 <subviews>
                                                     <outlineView verticalHuggingPriority="750" allowsExpansionToolTips="YES" columnAutoresizingStyle="lastColumnOnly" columnReordering="NO" columnResizing="NO" autosaveColumns="NO" rowSizeStyle="automatic" viewBased="YES" indentationPerLevel="16" outlineTableColumn="89u-w6-f1G" id="nij-C2-Fna">
-                                                        <rect key="frame" x="0.0" y="0.0" width="43" height="0.0"/>
+                                                        <rect key="frame" x="0.0" y="0.0" width="227" height="0.0"/>
                                                         <autoresizingMask key="autoresizingMask"/>
                                                         <size key="intercellSpacing" width="3" height="2"/>
                                                         <color key="backgroundColor" name="controlBackgroundColor" catalog="System" colorSpace="catalog"/>
                                                         <color key="gridColor" name="gridColor" catalog="System" colorSpace="catalog"/>
                                                         <tableColumns>
-                                                            <tableColumn width="224" minWidth="40" maxWidth="1000" id="89u-w6-f1G">
+                                                            <tableColumn width="40" minWidth="40" maxWidth="1000" id="89u-w6-f1G">
                                                                 <tableHeaderCell key="headerCell" lineBreakMode="truncatingTail" borderStyle="border" alignment="left">
                                                                     <font key="font" metaFont="smallSystem"/>
                                                                     <color key="textColor" name="headerTextColor" catalog="System" colorSpace="catalog"/>
@@ -76,12 +77,12 @@
                                                 <rect key="frame" x="1" y="119" width="223" height="15"/>
                                                 <autoresizingMask key="autoresizingMask"/>
                                             </scroller>
-                                            <scroller key="verticalScroller" verticalHuggingPriority="750" horizontal="NO" id="b7f-0t-Ab5">
+                                            <scroller key="verticalScroller" hidden="YES" verticalHuggingPriority="750" horizontal="NO" id="b7f-0t-Ab5">
                                                 <rect key="frame" x="224" y="17" width="15" height="102"/>
                                                 <autoresizingMask key="autoresizingMask"/>
                                             </scroller>
                                         </scrollView>
-                                        <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="Mar-ts-Ae2">
+                                        <button verticalHuggingPriority="750" misplaced="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Mar-ts-Ae2">
                                             <rect key="frame" x="0.0" y="-1" width="114" height="23"/>
                                             <constraints>
                                                 <constraint firstAttribute="height" constant="21" id="eBY-nc-VZ2"/>
@@ -94,7 +95,7 @@
                                                 <action selector="add:" target="-1" id="2u6-qG-b4q"/>
                                             </connections>
                                         </button>
-                                        <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="nX2-CL-r24">
+                                        <button verticalHuggingPriority="750" misplaced="YES" translatesAutoresizingMaskIntoConstraints="NO" id="nX2-CL-r24">
                                             <rect key="frame" x="114" y="-1" width="115" height="23"/>
                                             <buttonCell key="cell" type="smallSquare" title="➖" bezelStyle="smallSquare" imagePosition="overlaps" alignment="center" state="on" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="bih-cm-8LF">
                                                 <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
@@ -108,17 +109,17 @@
                                     </subviews>
                                 </view>
                                 <constraints>
-                                    <constraint firstItem="nX2-CL-r24" firstAttribute="width" secondItem="Mar-ts-Ae2" secondAttribute="width" id="0Z4-sC-lN4"/>
-                                    <constraint firstItem="nX2-CL-r24" firstAttribute="leading" secondItem="Mar-ts-Ae2" secondAttribute="trailing" id="32r-O9-eJd"/>
-                                    <constraint firstAttribute="trailing" secondItem="ObX-J0-NIB" secondAttribute="trailing" id="4NL-k3-wDk"/>
-                                    <constraint firstItem="ObX-J0-NIB" firstAttribute="top" secondItem="0X4-Im-JAh" secondAttribute="top" id="8RS-VN-6yz"/>
-                                    <constraint firstItem="ObX-J0-NIB" firstAttribute="leading" secondItem="0X4-Im-JAh" secondAttribute="leading" id="Cl7-2D-JIG"/>
-                                    <constraint firstAttribute="trailing" secondItem="nX2-CL-r24" secondAttribute="trailing" id="DH4-AX-W9x"/>
-                                    <constraint firstItem="Mar-ts-Ae2" firstAttribute="height" secondItem="nX2-CL-r24" secondAttribute="height" id="Muq-TB-QQx"/>
-                                    <constraint firstItem="Mar-ts-Ae2" firstAttribute="top" secondItem="nX2-CL-r24" secondAttribute="top" id="OMH-VF-y0p"/>
-                                    <constraint firstItem="ObX-J0-NIB" firstAttribute="bottom" secondItem="Mar-ts-Ae2" secondAttribute="top" id="YAF-Rd-m4c"/>
-                                    <constraint firstItem="Mar-ts-Ae2" firstAttribute="leading" secondItem="0X4-Im-JAh" secondAttribute="leading" id="rbc-mv-ICZ"/>
-                                    <constraint firstAttribute="bottom" secondItem="Mar-ts-Ae2" secondAttribute="bottom" id="rpT-1h-STT"/>
+                                    <constraint firstItem="nX2-CL-r24" firstAttribute="leading" secondItem="Mar-ts-Ae2" secondAttribute="trailing" id="3TG-1Z-wSv"/>
+                                    <constraint firstItem="Mar-ts-Ae2" firstAttribute="leading" secondItem="0X4-Im-JAh" secondAttribute="leading" id="5Vz-EU-u0M"/>
+                                    <constraint firstAttribute="trailing" secondItem="ObX-J0-NIB" secondAttribute="trailing" id="8oZ-Z2-ZZ7"/>
+                                    <constraint firstItem="nX2-CL-r24" firstAttribute="width" secondItem="Mar-ts-Ae2" secondAttribute="width" id="9r0-ce-hPf"/>
+                                    <constraint firstItem="Mar-ts-Ae2" firstAttribute="height" secondItem="nX2-CL-r24" secondAttribute="height" id="FoR-5t-Bg5"/>
+                                    <constraint firstAttribute="trailing" secondItem="nX2-CL-r24" secondAttribute="trailing" id="IKu-Eg-KLQ"/>
+                                    <constraint firstAttribute="bottom" secondItem="Mar-ts-Ae2" secondAttribute="bottom" id="Sr9-AT-h83"/>
+                                    <constraint firstItem="ObX-J0-NIB" firstAttribute="bottom" secondItem="Mar-ts-Ae2" secondAttribute="top" id="doG-fQ-XVN"/>
+                                    <constraint firstItem="Mar-ts-Ae2" firstAttribute="top" secondItem="nX2-CL-r24" secondAttribute="top" id="hA4-LE-OYk"/>
+                                    <constraint firstItem="ObX-J0-NIB" firstAttribute="top" secondItem="0X4-Im-JAh" secondAttribute="top" id="iUd-5i-Emo"/>
+                                    <constraint firstItem="ObX-J0-NIB" firstAttribute="leading" secondItem="0X4-Im-JAh" secondAttribute="leading" id="pQc-tH-Tl3"/>
                                     <constraint firstAttribute="width" relation="greaterThanOrEqual" constant="200" id="vjU-TE-WcO"/>
                                 </constraints>
                                 <color key="borderColor" white="0.0" alpha="0.41999999999999998" colorSpace="calibratedWhite"/>
diff --git a/AVRsack/ASSerialWin.xib b/AVRsack/Base.lproj/ASSerialWin.xib
similarity index 98%
rename from AVRsack/ASSerialWin.xib
rename to AVRsack/Base.lproj/ASSerialWin.xib
index 3d9f2fd..776c460 100644
--- a/AVRsack/ASSerialWin.xib
+++ b/AVRsack/Base.lproj/ASSerialWin.xib
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="8052.1" systemVersion="14C1510" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="7531" systemVersion="14D136" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="8052.1"/>
+        <development version="6200" identifier="xcode"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="7531"/>
     </dependencies>
     <objects>
         <customObject id="-2" userLabel="File's Owner" customClass="ASSerialWin" customModule="AVRsack" customModuleProvider="target">
diff --git a/AVRsack/Base.lproj/MainMenu.xib b/AVRsack/Base.lproj/MainMenu.xib
index 0f52372..1b2386a 100644
--- a/AVRsack/Base.lproj/MainMenu.xib
+++ b/AVRsack/Base.lproj/MainMenu.xib
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="8052.1" systemVersion="14C1510" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="7531" systemVersion="14D136" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="8052.1"/>
+        <development version="6200" identifier="xcode"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="7531"/>
     </dependencies>
     <objects>
         <customObject id="-2" userLabel="File's Owner" customClass="NSApplication">