Intel DH77DF Technical Product Specification - Page 20

System Memory

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Intel Desktop Board DH77DF Technical Product Specification 1.4 System Memory The board has two DIMM sockets and supports the following memory features: • 1.5 V DDR3 SDRAM DIMMs with gold plated contacts, with the option to raise the voltage to support higher performance DDR3 SDRAM DIMMs. • 1.35 V Low Voltage DDR3 DIMMs (JEDEC specification) • Two independent memory channels with interleaved mode support • Unbuffered, single-sided or double-sided DIMMs with the following restriction: Double-sided DIMMs with x16 organization are not supported. • 16 GB maximum total system memory (with 4 Gb memory technology). Refer to Section 2.1.1 on page 43 for information on the total amount of addressable memory. • Minimum recommended total system memory: 1 GB • Non-ECC DIMMs • Serial Presence Detect • DDR3 1600 MHz, DDR3 1333 MHz, and DDR3 1066 MHz SDRAM DIMMs Note: DDR3 1600 MHz DIMMs are only supported by 3rd generation Intel Core processor family processors • XMP version 1.3 performance profile support for memory speeds up to 1600 MHz NOTE To be fully compliant with all applicable DDR SDRAM memory specifications, the board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. This allows the BIOS to read the SPD data and program the chipset to accurately configure memory settings for optimum performance. If non-SPD memory is installed, the BIOS will attempt to correctly configure the memory settings, but performance and reliability may be impacted or the DIMMs may not function under the determined frequency. Error! Reference source not found. lists the supported DIMM configurations. Table 4. Supported Memory Configurations DIMM Capacity Configuration (Note) SDRAM Density SDRAM Organization Front-side/Back-side Number of SDRAM Devices 1024 MB SS 1 Gbit 128 M x8/empty 8 2048 MB DS 1 Gbit 128 M x8/128 M x8 16 2048 MB SS 2 Gbit 256 M x8/empty 8 4096 MB DS 2 Gbit 256 M x8/256 M x8 16 4096 MB SS 4 Gbit 512 M x8/empty 8 8192 MB DS 4 Gbit 512 M x8/512 M x8 16 Note: "DS" refers to double-sided memory modules (containing two rows of SDRAM) and "SS" refers to single-sided memory modules (containing one row of SDRAM). For information about... Tested Memory Refer to: http://support.intel.com/support/motherboards/desktop/sb /CS-025414.htm 20

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Intel Desktop Board DH77DF Technical Product Specification
20
1.4
System Memory
The board has two DIMM sockets and supports the following memory features:
•
1.5 V DDR3 SDRAM DIMMs with gold plated contacts, with the option to raise the
voltage to support higher performance DDR3 SDRAM DIMMs.
•
1.35 V Low Voltage DDR3 DIMMs (JEDEC specification)
•
Two independent memory channels with interleaved mode support
•
Unbuffered, single-sided or double-sided DIMMs with the following restriction:
Double-sided DIMMs with x16 organization are not supported.
•
16 GB maximum total system memory (with 4 Gb memory technology).
Refer to
Section 2.1.1 on page 43 for information on the total amount of addressable
memory.
•
Minimum recommended total system memory:
1 GB
•
Non-ECC DIMMs
•
Serial Presence Detect
•
DDR3 1600 MHz, DDR3 1333 MHz, and DDR3 1066 MHz SDRAM DIMMs
Note: DDR3 1600 MHz DIMMs are only supported by 3
rd
generation Intel Core
processor family processors
•
XMP version 1.3 performance profile support for memory speeds up to 1600 MHz
NOTE
To be fully compliant with all applicable DDR SDRAM memory specifications, the board
should be populated with DIMMs that support the Serial Presence Detect (SPD) data
structure.
This allows the BIOS to read the SPD data and program the chipset to
accurately configure memory settings for optimum performance.
If non-SPD memory
is installed, the BIOS will attempt to correctly configure the memory settings, but
performance and reliability may be impacted or the DIMMs may not function under the
determined frequency.
Error! Reference source not found.
lists the supported DIMM configurations.
Table 4.
Supported Memory Configurations
DIMM
Capacity
Configuration
(Note)
SDRAM
Density
SDRAM Organization
Front-side/Back-side
Number of SDRAM
Devices
1024 MB
SS
1 Gbit
128 M x8/empty
8
2048 MB
DS
1 Gbit
128 M x8/128 M x8
16
2048 MB
SS
2 Gbit
256 M x8/empty
8
4096 MB
DS
2 Gbit
256 M x8/256 M x8
16
4096 MB
SS
4 Gbit
512 M x8/empty
8
8192 MB
DS
4 Gbit
512 M x8/512 M x8
16
Note:
“DS” refers to double-sided memory modules (containing two rows of SDRAM) and “SS” refers to
single-sided memory modules (containing one row of SDRAM).
For information about…
Refer to:
Tested Memory
/CS-025414.htm