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Dell PowerEdge 1400SC memory limited to 256Mb whatever you do!

Yes I know the Dell PowerEdge is a Server but I couldn't find the Server section so I thought I'd put it in "Desktops" as it's a PC at heart.

n.b. Dell produced at least two types of machine with the name 1400SC (different motherboards).

With one it doesn't matter what memory you put in it limits itself to 256Mb. We've tried 2 x 256Mb combos, 1 x 512Mb sticks. We know the memory works as we've tried it in an earlier 1400SC.

In X years of dealing with servers I have never seen this trick. Has anyone seen this problem before and discovered the work around.

With many thanks,

Ed

ps. X is getting a frighteningly large number :-)

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edhasted
Asked:
edhasted
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1 Solution
 
zephyr_hex (Megan)DeveloperCommented:
i dont know of a workaround...
you might try Dell Server support.
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nobusCommented:
does it show in the bios or not? you can try a bios update
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edhastedAuthor Commented:
The BIOS is the latest for that machine.
Only 256Mb only ever shows up in the BIOS.

Ed
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nobusCommented:
try the dell link route then . .
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rindiCommented:
I guess it's a bad mainboard you've got there, or you are using RAM with the wrong specs. Did you get the RAM from DELL specifically for that server, or did you try the folowing, which should get you the correct modules?

http://www.4allmemory.com/index.cfm
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edhastedAuthor Commented:
It works in another Dell 1400SC. Be aware Dell made at least 2 1400SC motherboards - I suspect this was to cater for the different CPUs that they supplied over the years.

Our suspicion is that something ever so weird has gone wrong on the motherboard.

Unless anyone has experience of this fault before I'll put up a resume and close this thread.

With thanks to you all,

Ed


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jamietonerCommented:
go into the bios and turn os install mode off, os install mode will limit the memory the os sees to 256mb and will usually give a message during post, seen this issue alot
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edhastedAuthor Commented:
Many thanks - will try over the weekend.

Ed
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edhastedAuthor Commented:
Final note on the "Accepted Answer".

I had always wondered what this BIOS option meant and it it further proof that people should explain the implications of options especially misleading if they give an innocuous name to something.

This indeed fixed the RAM limitation and rectified 8 hours wasted time during the week in less than two minutes.

With very many thanks to jamietoner, you are indeed an "Expert" in my eyes, and one of the reasons we don't waste our time phoning Dell Support with real world problems.

Ed

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jamietonerCommented:
Glad i could help. I still wonder why dell still has that option it was meant for older os's that wouldnt install on system's with alot of ram, so they added an option in bios to limit the amount the os could see but all of these operating systems aren't even supported anymore.
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zarkyCommented:
many thanx jamietoner
i to have been pulling my hair out on this very issue on a 2600 for 2 days... no help fom dell lol
cant even understand the indian accent...
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chico123Commented:
I spent 3 hours with a tech from Dell, ended up here, the solution provided here is the real solution.
Thank you.
Lizandro Diaz
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