Used on issue 1, 2, 3, 4, 7 BBCs.
Weight ca. 645 g.
Faint 'uop' (the keyboard maker I presume) embedded in the glassfibre of the PCB
Apparently came with 2 types of speaker grille, the earlier one is pictured on the right, and has a thicker plastic top (from the machine with serial no. AB 154863, with the old, rough surface case). The grille on the left is used on later type 1 keyboards, like the machine with serial no. AB 166873 which has the same early case type as AB 154863
Shenzhen Posin Circuit Technology Co., Ltd. was established in April, 2008, After
years'efforts, the company has expanded rapidly and keptIntroducing
new production equipments. We have also trained a professional team
and perfected the quality management system ranging. the
manufacture ability of our company is expanded rapidly. The annual
output of double-sided and multi-layer PCB exceeds 100, 000
square meters.
