Object is a motherboard with holders for some type of small module. The holders are in an array labeled with columns A-K and rows 2-5. This grid reads from left to right on the reverse on the board, and from right to left on the obverse-side. Five manual connections are made on the obverse side with goldenrod wires, and two with black wire.
Manufacturer
International Business Machines Corporation (IBM)
Identifying Numbers
Other number
818170
Located on reverse-side of board, upper-right section, in raised letters
Serial number
SN 20459203
Located on obverse-side of board, lower-left corner, on paper sticker
