| 
   Down indicates all base memory from Compaq is soldered to the
  system board and none is shipped in the memory slots from Compaq   | 
 
| 
   8 MB slotted 2 * 4MB SIMMs   | 
 
| 
   16 MB Slotted 2 * 8MB SIMMs   | 
 
| 
      | 
 
| 
   486 units   | 
 
| 
   -The system board includes four 72-pin SIMM sockets for memory
  expansion.   | 
 
| 
   -These sockets may be populated with 4, 8, 16, or 32 MB SIMMs in
  any combination   | 
 
| 
   -Maximum system memory is 136 MB using 4 32 Mb SIMMs and plus
  the memory soldered to the system board.   | 
 
| 
      | 
 
| 
   586 units   | 
 
| 
   -The system boards include six 72-pin SIMM sockets for memory
  expansion.   | 
 
| 
   -The sockets may be populated with 4, 8, 16, or 32 MB SIMMs only
  in matched pairs in the 586 models.   | 
 
| 
   -Maximum system memory is 192 MB using 6 32 MB SIMMs and
  discarding the original SIMMs   | 
 
| 
      | 
 
| 
   486 and 586 Units   | 
 
| 
   -Either parity or non-parity SIMMs may be used, but the memory
  controller will not enable parity checking.   | 
 
| 
   -Only SIMMs with tin-lead plated
  connectors should be used for memory upgrades.   |