AIMB-564 User Manual 201.6.2 Memory ConfigurationYou may install 256 MB, 512 MB, 1 GB, and 2 GB unbuffered non-ECCDDR2 DIMMs into the DIMM sockets.Note: 1. You may install varying memory sizes in Channel A andChannel B. The system maps the total size of the lower-sized channel for the dual-channel configuration. Anyexcess memory from the higher-sized channel is thenmapped for single-channel operation.2. Always install DIMMs with the same CAS latency. Foroptimum compatibility, it is recommended that you obtainmemory modules from the same vendor.3. If you install four 1GB memory modules or 2GB memorymodules, the system may only recognize 3GB or lessbecause the address space is reserved for other criticalfunctions. This limitation appears on WindowsÆ XP 32-bitoperating systems which do not support Physical AddressExtension (PAE).4. If you install a WindowsÆ XP 32-bit operating system, atotal memory of less than 3GB is recommended.5. This motherboard does not support memory modulesmade up of 128 Mb chips or double sided x16 memorymodules.
