Intel D845PEMY Product Specification - Page 16

System Memory

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Intel Desktop Board D845PEMY Technical Product Specification 1.6 System Memory The Desktop Board D845PEMY has two DIMM sockets and is designed to support up to 2 GB of single-channel DDR SDRAM memory. The board supports 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 • DDR333/266/200 MHz SDRAM DIMMs only • Serial Presence Detect (SPD) • Suspend to RAM Table 3 lists the supported system bus frequency and memory speed combinations. Table 3. Supported System Bus Frequency and Memory Speed Combinations If the processor's system bus frequency is... You can use this type of DIMM... 533 MHz DDR333 or DDR266 400 MHz DDR266 or DDR200 CAUTION Do not use ECC DIMMs with this board. Using ECC DIMMs could damage the board. # INTEGRATOR'S NOTES • Registered DIMMs are not supported. • Double-sided x16 DIMMs are not supported. • If a full-length PCI add-in card is installed in PCI bus connector 1 (the PCI bus connector closest to the processor), remove the add-in card before installing or upgrading memory to avoid interference with the memory retention mechanism. 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. 16

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Intel Desktop Board D845PEMY Technical Product Specification
16
1.6 System Memory
The Desktop Board D845PEMY has two DIMM sockets and is designed to support up to 2 GB of
single-channel DDR SDRAM memory.
The board supports 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
•
DDR333/266/200 MHz SDRAM DIMMs only
•
Serial Presence Detect (SPD)
•
Suspend to RAM
Table 3 lists the supported system bus frequency and memory speed combinations.
Table 3.
Supported System Bus Frequency and Memory Speed Combinations
If the processor's system bus frequency is…
You can use this type of DIMM…
533 MHz
DDR333 or DDR266
400 MHz
DDR266 or DDR200
CAUTION
Do not use ECC DIMMs with this board.
Using ECC DIMMs could damage the board.
INTEGRATOR’S NOTES
•
Registered DIMMs are not supported.
•
Double-sided x16 DIMMs are not supported.
•
If a full-length PCI add-in card is installed in PCI bus connector 1 (the PCI bus connector
closest to the processor), remove the add-in card before installing or upgrading memory to
avoid interference with the memory retention mechanism.
±
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.