Intel DB43LD Product Specification - Page 16
System Memory - motherboard
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Intel Desktop Board DB43LD Technical Product Specification 1.5 System Memory The board has two DIMM sockets and supports the following memory features: • 1.8 V DDR2 SDRAM DIMMs with gold plated contacts, with the option to raise the voltage to 1.92 V to support higher performance DDR2 SDRAM DIMMs • Dual channel interleaved mode support • Unbuffered, single-sided or double-sided DIMMs with the following restriction: Double-sided DIMMs with x16 organization are not supported. • 8 GB maximum total system memory using DDR2 800 MHz or DDR2 667 MHz DIMMs; refer to Section 2.1.1 on page 41 for information on the total amount of addressable memory. • Minimum total system memory: 512 MB • Non-ECC DIMMs • Serial Presence Detect • DDR2 800 MHz or DDR2 667 MHz SDRAM DIMMs ⎯ DDR2 667 MHz DIMMs with SPD timings of only 5-5-5 (tCL-tRCD-tRP) ⎯ DDR2 800 MHz DIMMs with SPD timings of only 5-5-5 or 6-6-6 (tCL-tRCD-tRP) 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. Table 3. Supported Memory Configurations DIMM Type SDRAM Technology Smallest usable DIMM (one x16 Single-sided DIMM) Largest usable DIMM (one x8 Double-sided DIMM) DDR2 667 DDR2 667 DDR2 800 DDR2 800 DDR 667 DDR 800 512 Mbit 1 Gbit 512 Mbit 1 Gbit 2 Gbit 2 Gbit 256 MB 512 MB 256 MB 512 MB 1 GB 1 GB 1 GB 2 GB 1 GB 2 GB 4 GB 4 GB Maximum capacity with two identical x8 Double-sided DIMMs 2 GB 4 GB 2 GB 4 GB 8 GB 8 GB For information about... Tested Memory Refer to: http://support.intel.com/support/motherboards/desktop/sb/ CS-025414.htm 16