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Intel Desktop Board DZ68AF Technical Product Specification
1.5
System Memory
The board has four DIMM sockets and supports the following memory features:
1.5 V DDR3 SDRAM DIMMs with gold plated contacts, with the option to raise the
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voltage to support higher performance DDR3 SDRAM DIMMs.
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Support for 1.35 V Low Voltage DDR3 (JEDEC specification)
Two independent memory channels with interleaved mode support
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Unbuffered, single-sided or double-sided DIMMs with the following restriction:
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Double-sided DIMMs with x16 organization are not supported.
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32 GB maximum total system memory (with 4 Gb memory technology). Refer to
Section 2.1.1 on page 39 for information on the total amount of addressable
memory.
Minimum recommended total system memory: 512 MB
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Non-ECC DIMMs
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Serial Presence Detect
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DDR3 1333 MHz and DDR3 1066 MHz SDRAM DIMMs
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.
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.
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