- IBM IntelliStation M Pro (type 6219) systems support only PC2100 CL2.5 ECC DDR UDIMM memory.
- The memory must be installed in pairs across two channels.
- The IntelliStation M Pro (type 6219) supports up to 4GB of memory maximum.
- To achieve maximum memory capacities, standard memory replacement may be required with the currently supported memory UDIMMs available from IBM that offer the largest capacity and use the least number of devices.
