Editing BTC 51 series (section)

===5139===
[[Focus layout]].

====5139 E5XKBM111====
<gallery widths="250" heights="187">
File:Packard Bell 5139 -- top.jpg        |
File:Packard Bell 5139 -- branding.jpg   |
File:Packard Bell 5139 -- slider.jpg     |
File:Packard Bell 5139 -- PS-2 plug.jpg  |
File:Packard Bell 5139 -- rear label.jpg | Rear label, with E5XKBM111 FCC ID
</gallery>

====5139 E5XKBM10140====
The model number is not written on this keyboard. The PCB is marked "5139", but then so is the 5149. The layout however is identical the the normal 5139. The similarity in production dates between the PCB and IC suggest high production volume. This keyboard is from 1996.

<gallery widths="250" heights="187">
File:5139 front.jpg       | Front view
File:5139 rear label.jpg  | Rear label
File:5139 controller.jpg  | Intel-based keyboard controller, dated 9614
File:5139 PCB.jpg         | PCB, dated 9613
File:5139 dome sheets.jpg | Dome sheets
File:5139 mount.jpg       | Mount
</gallery>