PC/SHORT MEMORY Assy. 12-10087-xx Switch Settings: SW-1 ___________ | | | | | on| |1|2|3|4| | |_|_|_|_|off| 1 = ON, 0 = OFF | | | | | | |_|_______Amount_of_Memory_On-board | | 1 1 64/128K | | 0 1 192/256 using 64K parts only. | | 0 0 256K using 256K parts only. | | 1 0 384K | | |_|___________Starting_Address 1 1 128K 1 0 256K 0 1 384K 0 0 512K ----------------------------------------------------------------------------- Memory Configurations _____________________________________________ |Amount of| | | | | | Memory | Bank 1 | Bank 2 | Bank 3 | Bank 4 | |---------|--------|--------|--------|--------| | 64K | 64K | Empty | Empty | Empty | |---------|--------|--------|--------|--------| | 128K | 64K | 64K | Empty | Empty | |---------|--------|--------|--------|--------| | 192K | 64K | 64K | 64K | Empty | |---------+--------+--------+--------+--------| | 256K | 64K | 64K | 64K | 64K | | or | | | | | | 256K | Empty | Empty | 256K | Empty | |---------+--------+--------+--------+--------| | 320K | 64K | Empty | 256K | Empty | |---------|--------|--------|--------|--------| | 384K | 64K | 64K | 256K | Empty | --------------------------------------------- NOTE : The parity chip order is from the bottom up. That is the parity chip for Bank 1 is on the bottom and the chip for Bank 4 is on the top. -----------------------------------------------------------------------------