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System Memory Features The board has two 240-pin DDR2 DIMM sockets and supports the following memory features:
- DDR2 SDRAM DIMMs with gold-plated contacts
- Unbuffered, single-sided or double-sided DIMMs
- 4 GB maximum total system memory
- Minimum total system memory: 256 MB
- Non-ECC DIMMs
- Serial Presence Detect
- Memory voltage: 1.8V
- DDR2 800 MHz and DDR2 667 MHz DIMMs
Due to passively-cooled thermal constraints, system memory must have an operating temperature rating of 85°C. The board is designed to be passively cooled in a properly ventilated chassis. Chassis venting locations are recommended above the system memory area for maximum heat dissipation effectiveness.
To be fully compliant with all applicable DDR2 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, performance and reliability may be impacted or the DIMMs may not function under the determined frequency.
Supported Memory Configurations
| DIMM Capacity |
Configuration |
SDRAM Density |
SDRAM Organization Front-side/Back-side |
Number of SDRAM Devices |
| 256 MB |
Single sided |
256 Mbit |
32M x 8 / empty |
8 |
| 256 MB |
Single sided |
512 Mbit |
32M x 16 / empty |
4 |
| 512 MB |
Double sided |
256 Mbit |
32M x 8 / 32M x 8 |
16 |
| 512 MB |
Single sided |
512 Mbit |
64M x 8 / empty |
8 |
| 512 MB |
Single sided |
1 Gbit |
64M x 16 / empty |
4 |
| 1 GB |
Double sided |
512 Mbit |
64M x 8 / 64M x 8 |
16 |
| 1 GB |
Single sided |
1 Gbit |
128M x 8 / empty |
8 |
| 2 GB |
Double sided |
1 Gbit |
128M x 8 / 128M x 8 |
16 | |
This applies to:
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