Acer AR385 F1 Specifications - Page 13

Acer AR385 F1 Specifications Memory Support Specification Registered Type DDR3 1066/ 1333 MHz Capacity: 2, 4, 8, 16 GB Voltage: 1.5 V Maximum : 192 GB (8GB x 24 DIMMs) Unbuffered Type DDR3 1066/ 1333 MHz Capacity: 2, 4 GB Voltage: 1.5 V Maximum: 64 GB (4 GB x 16 DIMMs) Memory protection ECC, Online spare mode Note: Mixing of registered memory and unbuffered ECC memory is not supported 16 GB memory modules available by special request only Memory Population The systems have twenty four DIMM slots. Each CPU controls twelve slots. The DIMM slots support DDR31333 registered/unbuffered ECC memory modules. For single rank and dual rank RDIMM the system supports a maximum of 3 DIMMs per channel and a total of 24 DIMMs can be supported. For UDIMM the system supports 2 DIMM per channel and a total of 12 DIMMs can be supported. For quad rank RDIMM, the system supports 1 DIMM per channel and a total of 8 DIMM's can be supported.  Each CPU has 4 memory channels.  Each channel has 3 slots. To maximize the memory performance, the DIMM modules should be installed as balanced as possible among processors and memory channels. And slots with the same slot number across memory channels should be populated with identical DIMMs. 13