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Forum Discussion
ReadyNAS RNDU6000 memory upgrade - won't boot
I bought the ReadNAS Ultra 6 with 3x3TB disk in 2011. Upgraded to OS6 long time ago even though it was not supported. Been running fine since! Few years ago I dropped using "apps" in favor of docker containers. This works super for me. Can even control containers using my iPhone (over ssh). Ofcourse the first problem to run into is memory... I'm still rocking the standard "1GB UNB PC2-6400 CL6" (240PIN DDR2 DIMM unbuffered pc) from RoHS Apacer.
Choices...buy a new NAS or upgrade. Well upgrading memory is cheaper ofcourse and CPU still is good enough for my needs. Browsing the forums is very confusing but after much reading I bought memory via AliXpress (link) (KANMEIQi ddr2 ram 2GB 800MHz Desktop Dimm 4gb).
After installing boot got stuck on ReadNAS logo. Placed back the old memory and boots fine again.
Is there some way to get some more information from the system?
Things to try:
- connect display to see info (what header should I buy?)
- update BIOS (downloaded "BIOS_Update_Package_0.5-x86.bin" but first wanted to get some feedback here)
The information found on the forums is confusing and/or outdated. Is there someone around that can assist me in this?
15 Replies
Sounds like either bad memory or incompatible memory.
Did you try booting with just one of the memory sticks in place (trying both of them)?
Thanks for the fast reply! I just tried both DIMM seperately and they both work! In both slots. So its not the DIMM's and not the slots on the board. They just won't play noce together...
It's 2x2GB. Would this be an BIOS issue?
I've never tried taking an Ultra6 beyond 2GB, but it has been my belief that 2x2GB should work; and your memory does have the proper rating. I don't believe 8GB will, though that doesn't affect you. Does it work if you mix the old 1GB stick with one of the 2GB's? None of the legacy desktop NAS use dual-channel memory, so mixing different size sticks will not have any negative effects.
Don't buy fake garbage ram direct from china. Those sites are scammers for anyone outside of the mainland.
I literally grabbed some old 2x2gb ddr2 desktop ram I had lying around and installed it in my ultra 6 a while back. The first set I tried didn't pass the memory test, so do the memory test before relying on it.
The units can take 8gb of ram via 2x 4gb modules as well, but those modules aren't cheap. Still, they can really breathe new life into your dockers so it may be worth it to you since it's literally just a 1 hour upgrade (and that's being really careful and super taking your time).
Hope this helps!
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