Apple quadra.lc 630.performa 640 Service Manual

 

 Specifications

Memory - 3

 

Memory

 

630 Series:  4 MB built in, 8 MB optional; expandable to 36 MB  

(if logic board has only one SIMM slot, part number 661-

0158 ), or 52 MB (if logic board has two SIMM slots; one slot 

is a regular SIMM slot and the other is a single-sided SIMM 

slot, part number 661-1114).  

LC 630 DOS-Compatible ships with 8 MB on main logic board  (4 

MB built in and 4 MB DRAM SIMM in one slot).  Maximum 

addressable memory is 52 MB on the main logic board (4 MB 

built in, 32 MB SIMM in one slot and 16 MB SIMM the second 

slot).  

DOS Compatible board ships with 4 MB SIMM .  Maximum 

addressable memory is 32 MB on the DOS-Compatible board.   

Main logic board and DOS Compatible board require 72-pin, 

80 ns or faster  SIMMs.