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Intel i5-2500K BX80623I52500K User Manual

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BX80623I52500K
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Datasheet, Volume 1
19
Interfaces
2
Interfaces
This chapter describes the interfaces supported by the processor.
2.1
System Memory Interface
2.1.1
System Memory Technology Supported
The Integrated Memory Controller (IMC) supports DDR3 protocols with two 
independent, 64-bit wide channels each accessing one or two DIMMs. The type of 
memory supported by the processor is dependant on the PCH SKU in the target 
platform. Refer to 
 for supported memory configuration details.
It supports a maximum of two DDR3 DIMMs per-channel; thus, allowing up to four 
device ranks per-channel.
• DDR3 Data Transfer Rates
— 1066 MT/s (PC3-8500), 1333 MT/s (PC3-10600)
• DDR3 SO-DIMM Modules
— Raw Card A – Dual Ranked x16 unbuffered non-ECC
— Raw Card B – Single Ranked x8 unbuffered non-ECC
— Raw Card C – Single Ranked x16 unbuffered non-ECC
— Raw Card F – Dual Ranked x8 (planar) unbuffered non-ECC
• Desktop PCH platform DDR3 DIMM Modules
— Raw Card A - Single Ranked x8 unbuffered non-ECC
— Raw Card B - Dual Ranked x8 unbuffered non-ECC
— Raw Card C - Single Ranked x16 unbuffered non-ECC
Note:
DIMM module support is based on availability and is subject to change.
Table 2-1.
Supported UDIMM Module Configurations
Raw 
Card 
Version
DIMM 
Capacity
DRAM Device 
Technology
DRAM 
Organization
# of 
DRAM 
Devices
# of 
Physical 
Device 
Ranks
# of 
Row/Col 
Address 
Bits
# of 
Banks 
Inside 
DRAM
Page Size
Desktop Platforms:
Unbuffered/Non-ECC Supported DIMM Module Configurations
A
1 GB
1 Gb
128 M X 8
8
2
14/10
8
8 K
2 GB
2 Gb
128 M X 16
8
2
14/10
8
16 K
B
2 GB
1 Gb
128 M X 8
16
2
14/10
8
8 K
4 GB
2 Gb
256 M X 8
16
2
15/10
8
8 K
8 GB
4 Gb
512 M X 8
16
2
16/10
8
8 K
C
512 MB
1 Gb
64 M X 16
4
1
13/10
8
16 K
1 GB
2 Gb
128 M X 16
4
1
14/10
8
16 K