Intel D945GCL Product Specification - Page 16

System Memory - memory supported

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Intel Desktop Board D945GCL Technical Product Specification 1.4 System Memory The board has two DIMM sockets and supports the following memory features: • 1.8 V (only) DDR2 SDRAM DIMMs with gold-plated contacts • Unbuffered, single-sided or double-sided DIMMs with the following restriction: Double-sided DIMMS with x16 organization are not supported. • 4 GB maximum total system memory. Refer to Section 2.1.1 on page 39 for information on the total amount of addressable memory. • Minimum total system memory: 128 MB • Non-ECC DIMMs • Serial Presence Detect • DDR2 667, DDR2 533, or DDR2 400 MHz SDRAM DIMMs NOTES • Remove the PCI Express x16 video card before installing or upgrading memory to avoid interference with the memory retention mechanism. • 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 nonSPD 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 lists the supported DIMM configurations. Table 3. Supported Memory Configurations DIMM Capacity Configuration SDRAM Density SDRAM Organization Number of Front-side/Back-side SDRAM Devices 128 MB SS 256 Mbit 16 M x 16/empty 4 256 MB SS 256 Mbit 32 M x 8/empty 8 256 MB SS 512 Mbit 32 M x 16/empty 4 512 MB DS 256 Mbit 32 M x 8/32 M x 8 16 512 MB SS 512 Mbit 64 M x 8/empty 8 512 MB SS 1 Gbit 64 M x 16/empty 4 1024 MB DS 512 Mbit 64 M x 8/64 M x 8 16 1024 MB SS 1 Gbit 128 M x 8/empty 8 2048 MB DS 1 Gbit 128 M x 8/128 M x 8 16 Note: In the second column, "DS" refers to double-sided memory modules (containing two rows of SDRAM) and "SS" refers to single-sided memory modules (containing one row of SDRAM). 16

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Intel Desktop Board D945GCL Technical Product Specification
16
1.4
System Memory
The board has two DIMM sockets and supports the following memory features:
•
1.8 V (only) DDR2 SDRAM DIMMs with gold-plated contacts
•
Unbuffered, single-sided or double-sided DIMMs with the following restriction:
Double-sided DIMMS with x16 organization are not supported.
•
4 GB maximum total system memory.
Refer to Section 2.1.1 on page 39 for
information on the total amount of addressable memory.
•
Minimum total system memory:
128 MB
•
Non-ECC DIMMs
•
Serial Presence Detect
•
DDR2 667, DDR2 533, or DDR2 400 MHz SDRAM DIMMs
±
NOTES
•
Remove the PCI Express x16 video card before installing or upgrading memory to
avoid interference with the memory retention mechanism.
•
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 lists the supported DIMM configurations.
Table 3. Supported Memory Configurations
DIMM Capacity
Configuration
SDRAM Density
SDRAM Organization
Front-side/Back-side
Number of
SDRAM Devices
128 MB
SS
256 Mbit
16 M x 16/empty
4
256 MB
SS
256 Mbit
32 M x 8/empty
8
256 MB
SS
512 Mbit
32 M x 16/empty
4
512 MB
DS
256 Mbit
32 M x 8/32 M x 8
16
512 MB
SS
512 Mbit
64 M x 8/empty
8
512 MB
SS
1 Gbit
64 M x 16/empty
4
1024 MB
DS
512 Mbit
64 M x 8/64 M x 8
16
1024 MB
SS
1 Gbit
128 M x 8/empty
8
2048 MB
DS
1 Gbit
128 M x 8/128 M x 8
16
Note: In the second column, “DS” refers to double-sided memory modules (containing two rows of SDRAM)
and “SS” refers to single-sided memory modules (containing one row of SDRAM).