IBM 6151 Maintenance And Service Manual page 429

4. Remove the adapter.
5. If present, disconnect the internal cables.
6. Record the adapter slot position.
7. If the adapter has jumpers or switches, record their settings. If
needed, refer to the jumper Or switch settings information for
the adapter in Section 9.
Note: Some options and adapters have optional pluggable
features. You can either move the optional pluggable feature to
the new FRU or be sure the new option or adapter has it installed.
AJZBFQ23
(6/88) Removal and Replacement 4-19