jumper settings
J3 - SIMM size: ON - 16 MB SIMM used, OFF - no 16 MB SIMM
J5 - ROM: ON - enable
J6 - SCSI: ON - enable
J1, J2, J4, J7
OFF CN5
1-2
- reserved
From the Amiga Hardware database.
Note also that the SIMM should be in slot one, in the case of mixed SIMM sizes the largest of them should be in slot one.
I don't have a manual but I hope this helps.
Page reference is:
http://amiga.resource.cx/exp/search.pl?amiga=1200&cat=scsi
