
Memory Type: , (non-ECC)
Maximum Memory: 512GB
Slots: 64

All parts listed are DDR1 not DDR2.Memory is installed on 2 or 8 IBM Processor Cards each containing 8 DIMM slots.
DDR1 memory is supported on 1.5GHz (#7834), 1.65GHz (#7830), and 1.9GHz (#7832) processor cards.
DDR2 memory is supported only on 1.9GHz processor cards (#7833).

How much memory your Windows OS will recognize depends on which version of Windows you are running. 32-bit versions of Windows will see (and utilize) only 3GB or 3.5GB. To utilize more memory, install a 64-bit version of your OS. More information about OS memory maximums can be found here.

Memory or DRAM is the 'working' memory of the computer. It's used to store data for programs (sequences of instructions) on a temporary basis.

video - installing memory