Lenovo ThinkStation C20 4265 Brochure page 33

Memory Confi guration for ThinkStation
Memory Loading Notes on ThinkStation D20
System memory speed on ThinkStation D20 will be determined by a number of factors, including the microprocessor model and the type,
speed, size (capacity), and number of DIMMs installed. Refer to the following table for information on the supported system memory speed
for your ThinkStation model.
• ThinkStation D20 has twelve memory slots; divided into two sets of 6-DIMM memory slots
• Memory controller is integrated in processor
• ThinkStation D20 has 2 processor slots, each processor control six DIMMs
• Over six DIMMs requires dual processor
• ThinkStation D20 supports UDIMM and RDIMM, mixing of UDIMM and RDIMM is not supported
Memory Speed Table for ThinkStation D20
DIMM Type and
Speed
Amount of DIMMs
installed per CPU
bank
CPU Model
® ®
Intel Xeon E5502
Intel Xeon E5503
Intel Xeon E5504
Intel Xeon E5506
Intel Xeon E5507
Intel Xeon E5520
Intel Xeon E5530
Intel Xeon E5540
Intel Xeon E5620
Intel Xeon E5630
Intel Xeon E5640
Intel Xeon X5550
Intel Xeon X5560
Intel Xeon X5570
Intel Xeon X5650
Intel Xeon X5660
Intel Xeon X5667
Intel Xeon X5670
Intel Xeon X5677
Intel Xeon X5680
Intel Xeon W5580
Intel Xeon W5590
For more information on ThinkStation D20 processor and memory accessories, please visit:
www.lenovo.com/support/accessories
www.lenovo.com/support/thinkstationaccessories
PC3-10600 UDIMM PC3-8500 UDIMM
(1GB, 2GB, 4GB) (1GB, 2GB)
1 to 3 4 to 6
800MHz 800MHz 800MHz
800MHz 800MHz 800MHz
800MHz 800MHz 800MHz
800MHz 800MHz 800MHz
800MHz 800MHz 800MHz
1066MHz 1066MHz 1066MHz
1066MHz 1066MHz 1066MHz
1066MHz 1066MHz 1066MHz
1066MHz 1066MHz 1066MHz
1066MHz 1066MHz 1066MHz
1066MHz 1066MHz 1066MHz
1333MHz 1066MHz 1066MHz
1333MHz 1066MHz 1066MHz
1333MHz 1066MHz 1066MHz
1333MHz 1333MHz 1066MHz
1333MHz 1333MHz 1066MHz
1333MHz 1333MHz 1066MHz
1333MHz 1333MHz 1066MHz
1333MHz 1333MHz 1066MHz
1333MHz 1333MHz 1066MHz
1333MHz 1066MHz 1066MHz
1333MHz 1066MHz 1066MHz
®
D20
PC3-10600 RDIMM
(2GB, 4GB, 8GB)
1 to 6 1 to 3 4 to 6
Actual Memory Speed
800MHz 800MHz
800MHz 800MHz
800MHz 800MHz
800MHz 800MHz
800MHz 800MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1333MHz 1066MHz
1333MHz 1066MHz
1333MHz 1066MHz
1333MHz 1333MHz
1333MHz 1333MHz
1333MHz 1333MHz
1333MHz 1333MHz
1333MHz 1333MHz
1333MHz 1333MHz
1333MHz 1333MHz
1333MHz 1066MHz
Personal Systems Reference (PSREF)
PC3-8500 RDIMM PC3-8500 RDIMM
(1GB, 2GB, 4GB) (8GB)
1 to 6 1 to 3
800MHz 800MHz
800MHz 800MHz
800MHz 800MHz
800MHz 800MHz
800MHz 800MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
1066MHz 1066MHz
(Memory-D20) April 2010
4 to 6
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
800MHz
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