IBM 2196 - Manual (Page 121)

Adding and replacing system board components 9-7
Locating system board jumpers and connectors
(machine type 2197 and 6344)
The following figure shows the locations of the jumpers and connectors on the
system board. The jumpers are preset in the factory. Do not change these default
jumper settings. For a list of connectors with their corresponding functions, see the
section
“ Connector functions ” on page A-11.