Intel Vig390s manual System Memory, Main Memory

System Memory

Main Memory

The motherboard has four DDR2 SDRAM Dual Inline Memory Module (DIMM) sockets. Support for up to a maximum memory size of 8GB. The BIOS automatically detects memory type, size, and speed.

The motherboard supports the following memory features:

•240 pin DDR2 400 MHz SDRAM DIMMs with gold-plated contacts

•Unbuffered, single-sided or double-sided DIMMs with the following restriction: Double-sided DIMMS with x16 organisation are not supported.

•8 GB maximum total system memory total amount of addressable memory.

•Minimum total system memory: 256 MB

•72bit registered ECC DIMMs

•Serial Presence Detect

Notes:

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, 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 5: Supported Memory Configurations

DIMM	Configuration	SDRAM	SDRAM Organisation	Number of
Capacity		Density	Front-side/Back-side	SDRAM Devices
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 DDR SDRAM) and “SS” refers to single-sided memory modules (containing one row of DDR SDRAM).

Vig390s Motherboard Manual V1.0 11