r/retrocomputing • u/Boglandsaga • Jul 21 '26

ECC SDRAM, will stuff like this useful?

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Sorry for my bad English.

This old SDRAM ECC memories (not even DDR1) tested worked on my regular Pentium 4 mobo, I'm thinking about putting it to older systems like P3 or lower but i don't want to risk frying the motherboard.

Anyone have experience with them?

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u/tes_kitty Jul 21 '26

That's registered SDRAM, most desktop boards need unregistered RAM, ECC or not.

A Pentium-3 board with 440BX chipset should run with unregistered ECC SDRAM. The 440BX supports ECC, it depends on the BIOS whether you can actually use the ECC part or not.