Editing Dell KB1421 (section)

====Interior====
The following example was manufactured in April 2010. The top of the keyboard is not presentable, and a large number of keys have been stripped of their legends.

<gallery widths=250 heights=187>
File:Dell KB1421 -- upper rear label.jpg    | Upper rear label from Primax, giving the UL File Number
File:Dell KB1421 -- lower rear label.jpg    | Lower rear label from Dell, giving the Dell part number and date of manufacture
File:Dell KB1421 -- keycaps.jpg             | Keycaps
File:Dell KB1421 -- internal components.jpg | Internal components, including the metal backplate below the membranes
File:Dell KB1421 -- controller, top.jpg     | Controller PCB, top
File:Dell KB1421 -- controller, bottom.jpg  | Controller PCB, bottom
File:Dell KB1421 -- joined membranes.jpg    | Joined membranes
File:Dell KB1421 -- membrane markings.jpg   | Membrane markings
</gallery>