Intel DX79SI Product Guide for Intel Desktop Board DX79SI - Page 15

System Memory, CAUTION - recommended memory

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Desktop Board Features System Memory NOTE To be fully compliant with all applicable Intel ® SDRAM memory specifications, the board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. If your memory modules do not support SPD, you will see a notification to this effect on the screen at power up. The BIOS will attempt to configure the memory controller for normal operation. The Desktop Board supports the following memory and interface: • Eight 240-pin Double Data Rate 3 (DDR3) SDRAM Dual Inline Memory Module (DIMM) connectors with gold-plated contacts arranged in four channels • 2400/2133/1866/1600/1333/1066 MHz DDR3 SDRAM DIMM • XMP performance profile support for memory speeds above 1600 MHz • Full support for memory overclocking (see www.intel.com/support/motherboards/desktop/sb/CS-031689.htm for information on overclocking) • Support for single-channel configurations and dual-, tri-, and quad-channel memory interleaving • Unbuffered, non-registered single or double-sided DIMMs with a voltage rating of 1.65 V or less including support for 1.35 V (JEDEC specification) memory • ECC and non-ECC memory (requires a processor that supports ECC memory) • Serial Presence Detect • Minimum total system memory of 1 GB • Up to 64 GB maximum total system memory NOTE 32-bit operating systems are limited to a maximum of 4 GB of memory. The operating system may report less than 4 GB because of the memory used by add-in PCI Express graphics cards. CAUTION 1.5 V is the recommended and default setting for DDR3 memory voltage. The other memory voltage settings in the BIOS Setup program are provided for performance tuning purposes only. Altering the memory voltage may (i) reduce system stability and the useful life of the system, memory, and processor; (ii) cause the processor and other system components to fail; (iii) cause reductions in system performance; (iv) cause additional heat or other damage; and (v) affect system data integrity. Intel has not tested and does not warranty the operation of the processor beyond its specifications. For information on the processor warranty, refer to http://www.intel.com/support/processors/sb/CS-020033.htm?wapkw=(processor+warranty). Intel assumes no responsibility that the memory installed on the desktop board, if used with altered clock frequencies and/or voltages, will be fit for any particular purpose. Check with the memory manufacturer for warranty terms and additional details. 15

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Desktop Board Features
15
System Memory
NOTE
To be fully compliant with all applicable Intel
®
SDRAM memory specifications, the
board should be populated with DIMMs that support the Serial Presence Detect (SPD)
data structure.
If your memory modules do not support SPD, you will see a
notification to this effect on the screen at power up.
The BIOS will attempt to
configure the memory controller for normal operation.
The Desktop Board supports the following memory and interface:
•
Eight 240-pin Double Data Rate 3 (DDR3) SDRAM Dual Inline Memory Module
(DIMM) connectors with gold-plated contacts arranged in four channels
•
2400/2133/1866/1600/1333/1066 MHz DDR3 SDRAM DIMM
•
XMP performance profile support for memory speeds above 1600 MHz
•
Full support for memory overclocking (see
www.intel.com/support/motherboards/desktop/sb/CS-031689.htm
for information
on overclocking)
•
Support for single-channel configurations and dual-, tri-, and quad-channel memory
interleaving
•
Unbuffered, non-registered single or double-sided DIMMs with a voltage rating of
1.65 V or less including support for 1.35 V (JEDEC specification) memory
•
ECC and non-ECC memory (requires a processor that supports ECC memory)
•
Serial Presence Detect
•
Minimum total system memory of 1 GB
•
Up to 64 GB maximum total system memory
NOTE
32-bit operating systems are limited to a maximum of 4 GB of memory.
The
operating system may report less than 4 GB because of the memory used by
add-in PCI Express graphics cards.
CAUTION
1.5 V is the recommended and default setting for DDR3 memory voltage.
The other
memory voltage settings in the BIOS Setup program are provided for performance
tuning purposes only.
Altering the memory voltage may (i) reduce system stability
and the useful life of the system, memory, and processor; (ii) cause the processor and
other system components to fail; (iii) cause reductions in system performance; (iv)
cause additional heat or other damage; and (v) affect system data integrity.
Intel has
not tested and does not warranty the operation of the processor beyond its
specifications.
For information on the processor warranty, refer to
.
Intel assumes no responsibility that the memory installed on the desktop board, if
used with altered clock frequencies and/or voltages, will be fit for any particular
purpose.
Check with the memory manufacturer for warranty terms and additional
details.