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ECC memory backwards compatible #2

K

Kremlar

Golden Member
Second try - please help!

Trying to upgrade the RAM on an Aopen AX6BC. Currently has 2 256MB DIMMs (all I know about them) installed, and the motherboard detects them as Registered DIMMs. Tried to add a Kingston 256MB PC100 non-ECC SDRAM into DIMM slot 3 and the PC reboots when booting. If I keep in all 3 but put the Kingston in DIMM slot 1 the PC doesn't even post. If I put the Kingston DIMM in alone, PC seems to work fine. It's only when all 3 DIMMs are installed together that problems occur. The motherboard has an option for ECC in the BIOS, but it is disabled (don't know if current RAM is ECC or not).

So, I figured my best bet was to try and find a Registered DIMM and give that a shot. The one that I want to use, however, is a Kingston Registered ECC SDRAM DIMM.

Best guess - will that DIMM work OK?
 
it should work, that motherboard could be really finicky though, i've mixed ECC and non ECC memory. before. I think maybe it didnt work when you had mixed registered and non-registered, because the buffers add a cycle to the latency on the registered ones, and i dont think you can mix like that for that reason.
 
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