Yes. The Intel CC820 motherboard has two DIMM slots that can use two single-sided DIMMs , two double-sided DIMMs or one single-sided DIMM and one double sided DIMM. In that case, the single-sided DIMM must be in the first slot.
DIMMs
168
like pci slot dimms slot..
DRAM
Yes, you can install the four DIMMs of different sizes on the motherboard. However, dual channeling will only be enabled for the pairs of DIMMs that match in size and specifications. The unmatched DIMMs will operate in single-channel mode, which may reduce overall memory performance compared to a fully matched dual-channel configuration. To maximize dual-channel benefits, it's best to use pairs of identical DIMMs.
If you install DIMMS in all four slots that don't match, the memory will still work, just not at top performance.
Memory configurations will not work when populating a motherboard with DIMMs if the installed memory modules are incompatible in terms of speed, size, or type (e.g., mixing DDR3 with DDR4). Additionally, using different ranks or single-sided vs. double-sided DIMMs can lead to issues. It's also crucial to follow the motherboard's specifications regarding the maximum supported memory capacity and the recommended slot population order. Failure to adhere to these guidelines may result in system instability or failure to boot.
The ATX form factor is an ancient one. Modules can range all the way from 72-pin DIMMS to DDR3.
DIMMs (Dual In-line Memory Modules) can hold varying amounts of memory, typically ranging from 4 GB to 64 GB per module for consumer-grade RAM. High-performance or server-grade DIMMs can offer even larger capacities, with some modules reaching up to 256 GB or more. The total memory capacity in a system depends on the number of DIMMs installed and the maximum supported by the motherboard.
The Intel Pentium 3 typically supports SDRAM (Synchronous Dynamic RAM), specifically PC100 and PC133 types. Depending on the motherboard, it may also support different configurations of modules, including DIMMs (Dual In-line Memory Modules) and SO-DIMMs (for laptops). The maximum supported RAM varies by motherboard, but it's usually up to 1 GB or 2 GB in total.
DIMMs are the newer tech.
The specifications states that the two DIMM sockets on the board have these features: * 2.5V DDR SDRAM DIMMs * Unbuffered, single-sided or double-sided DIMMs * ** except for double-sided DIMMs with x16 organization * Non-ECC DIMMs * DDR 400MHz and DDR 333MHz SDRAM DIMMs It should support 1GB chips with the following organizations: * single-sided, 128Mbit x 8 front-side / empty back-side * double-sided, 64Mbit x 8 front-side / 64Mbit x 8 back-side If you are ever unsure about a specific memory module being compatible with a specific motherboard, you should always contact one or both manufacturers for clarification.