Updated IBM PC AT+VT100 demo pages

devices/pcx86/machine/5170/ega/2048kb/rev3/vt100/README.md

@@ -0,0 +1,25 @@
+---
+layout: page
+title: IBM PC AT (Model 5170, 2Mb, 20Mb Hard Disk) with EGA Display and VT100
+permalink: /devices/pcx86/machine/5170/ega/2048kb/rev3/vt100/
+machines:
+  - id: ibm5170
+    type: pcx86
+    connection: com2->vt100.serialPort
+    config: /devices/pcx86/machine/5170/ega/2048kb/rev3/machine.xml
+  - id: vt100
+    type: pc8080
+    connection: serialPort->ibm5170.com2
+    config: /devices/pc8080/machine/vt100/machine.xml
+---
+
+IBM PC AT with VT100 Terminal
+---
+
+Demonstration of an IBM PC AT with VT100 Terminal connected via COM2.
+
+A [Dual Debugger Configuration](../debugger/vt100/) is also available.
+
+{% include machine.html id="ibm5170" %}
+
+{% include machine.html id="vt100" %}