Intel BOXD845BGSE Product Specification - Page 23

System Memory

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Product Description 1.7 System Memory ✏ NOTE Remove the AGP video card before installing or upgrading memory to avoid interference with the memory retention mechanism. ✏ NOTE The D845BG/D845PT boards have been designed to support DIMMs based on 512 Mbit technology for a maximum onboard capacity of up to 2 GB, but this technology has not been validated on this board. Please refer to the following Intel web sites for the latest lists of tested memory. For the D845BG board: http://developer.intel.com/design/motherbd/bg/bg_mem.htm For the D845PT board: http://developer.intel.com/design/motherbd/pt/pt_mem.htm The D845BG and D845PT boards both have two DIMM sockets and support the following memory features: • 2.5 V (only) 184-pin DDR SDRAM DIMMs with gold-plated contacts • Unbuffered single-sided or double-sided DIMMs • Maximum total system memory: 2 GB; minimum total system memory: 64 MB • 200/266 MHz DDR SDRAM DIMMs only • Serial Presence Detect (SPD) • Suspend to RAM • Non-ECC and ECC 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. ✏ NOTE For ECC functionality, all installed DIMMs must be ECC. If both ECC and non-ECC DIMMs are used, ECC will not function. For information about Obtaining DDR SDRAM specifications Refer to Section 1.5, page 19 23

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Product Description
23
1.7 System Memory
✏
NOTE
Remove the AGP video card before installing or upgrading memory to avoid interference with the
memory retention mechanism.
✏
NOTE
The D845BG/D845PT boards have been designed to support DIMMs based on 512 Mbit
technology for a maximum onboard capacity of up to 2 GB, but this technology has not been
validated on this board.
Please refer to the following Intel web sites for the latest lists of tested
memory.
For the D845BG board:
For the D845PT board:
The D845BG and D845PT boards both have two DIMM sockets and support the following
memory features:
•
2.5 V (only) 184-pin DDR SDRAM DIMMs with gold-plated contacts
•
Unbuffered single-sided or double-sided DIMMs
•
Maximum total system memory:
2 GB; minimum total system memory:
64 MB
•
200/266 MHz DDR SDRAM DIMMs only
•
Serial Presence Detect (SPD)
•
Suspend to RAM
•
Non-ECC and ECC 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.
✏
NOTE
For ECC functionality, all installed DIMMs must be ECC.
If both ECC and non-ECC DIMMs are
used, ECC will not function.
For information about
Refer to
Obtaining DDR SDRAM specifications
Section 1.5, page 19