diff --git a/Hardware/BOM/pcba-protoexpress-notes.txt b/Hardware/BOM/pcba-protoexpress-notes.txt
new file mode 100644
index 0000000..4e7bd5f
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+++ b/Hardware/BOM/pcba-protoexpress-notes.txt
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+PCB Part Number:		usb-firewall
+Layers:				2
+Board Thickness:		0.062 inches (1.6 mm in KiCAD)
+Minimum Trace or Space:		0.006 inches (0.2 mm in KiCAD)
+Surface Finish:			ENIG (RoHS)
+ITAR Controlled:		No
+Need Extra Boards?:		Yes
+Revision:			1
+Board Dimensions (inches):	2.75 x 1 (70 x 20 mm)
+Minimum Hole Sizes:		0.008
+Number of Holes per Board:	137 (grep ^X USG.drl | wc -l)
+Assembly on:			Two sides
+Quantity:			
+Turn Time:			
+Advanced Options
+PCB has Via-in-pad features?:	No
+Solder Mask Color:		Green/Blue/Black
+PCB has any Controlled Impedance features?: No
+Allow RoHS Marking:		Yes
+Allow Vendor Markings:		Yes
+Copper Weights:			1 oz. copper on outer layers
diff --git a/Hardware/BOM/usb-firewall-protoexpress-bom.xls b/Hardware/BOM/usb-firewall-protoexpress-bom.xls
index aa54a4f..67ad728 100644
Binary files a/Hardware/BOM/usb-firewall-protoexpress-bom.xls and b/Hardware/BOM/usb-firewall-protoexpress-bom.xls differ