Lenovo ThinkStation C20 User Manual

AppendixA.Systemmemoryspeed
TheIntelXeonmicroprocessorfamiliescompatiblewiththisThinkStationcomputerfeatureanintegrated
memorycontroller,whichprovidesthemicroprocessorwithdirectaccesstothesystemmemory.Because
ofthisdesign,thesystemmemoryspeedwillbedeterminedbyanumberoffactors,includingthe
microprocessormodelandthetype,speed,size(capacity),andnumberofDIMMsinstalled.Refertothe
followingtablefortheinformationonthesupportedsystemmemoryspeedforyourcomputermodel.
Table1.DIMMtypeandspeed:PC3-10600U
DIMMsize(capacity)
NumberofDIMMs
installedper
microprocessorbank
MicroprocessormodelMemoryfrequency
IntelXeonE5502,E5503,
E5504,E5506,E5507
800MHz
IntelXeonE5603,E5606,
E5607,E5520,E5530,
E5540,E5620,E5630,
E5640
1066MHz
1GB,2GB,4GB
1to3
IntelXeonE5645,E5649,
X5550,X5560,X5570,
X5650,X5660,X5667,
X5670,X5672,X5675
1333MHz
Table2.DIMMtypeandspeed:PC3-8500U
DIMMsize(capacity)
NumberofDIMMs
installedper
microprocessorbank
MicroprocessormodelMemoryfrequency
IntelXeonE5502,E5503,
E5504,E5506,E5507
800MHz
1GB,2GB,4GB
1to3
IntelXeonE5603,E5606,
E5607,E5520,E5530,
E5540,E5620,E5630,
E5640,E5645,E5649,
X5550,X5560,X5570,
X5650,X5660,X5667,
X5670,X5672,X5675
1066MHz
Table3.DIMMtypeandspeed:PC3-10600R
DIMMsize(capacity)
NumberofDIMMs
installedper
microprocessorbank
MicroprocessormodelMemoryfrequency
IntelXeonE5502,E5503,
E5504,E5506,E5507
800MHz
IntelXeonE5603,E5606,
E5607,E5520,E5530,
E5540,E5620,E5630,
E5640
1066MHz
1GB,2GB,4GB,8GB
1to3
IntelXeonE5645,E5649,
X5550,X5560,X5570,
1333MHz
©CopyrightLenovo2010,2012
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Lenovo ThinkStation C20 Specifications

General

HDD capacity	500 GB
Internal memory	8 GB
Memory clock speed	1333 MHz
Processor cache	12 MB
Processor frequency	2.4 GHz
Processor front side bus	1066 MHz
Power supply	800 W
Plug and Play	Yes

Weight and Dimensions

Depth	444 mm
Width	130 mm
Height	427 mm