Force 4-Way Interleave
Common Options : Enabled, Disabled
Quick Review
This BIOS feature allows you to force the memory controller to use the 4-bank SDRAM interleave mode which provides better performance than the 2-bank interleave mode. However, you must have at least 4 banks of memory in the system for this feature to work properly.
Normally, SDRAM modules that use 16 Mbit memory chips (usually 32 MB or smaller in size) have only two memory banks. So, if you are using such a small capacity DIMM, you should disable Force 4-Way Interleave.But if you use two or more of such DIMMs, you can still enable Force-4-Way Interleave.
SDRAM modules that use 64 Mbit or larger memory chips are four-banked in nature. These modules are at least 64 MB in size. If you are using such four-banked modules, it no longer matters if you are using just one module or several of them. You can enable Force 4-Way Interleave without fear.
Therefore, it is recommended that you enable this BIOS feature if you are using 64 MB or larger memory modules or at least two 32 MB or smaller memory modules. Otherwise, it is best to disable this BIOS feature.
For more information on memory bank interleaving, you should check out the details of the SDRAM Bank Interleave BIOS feature.
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