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System not recognizing memory after reinstall of scsi drives

Posted on 2007-11-26
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Last Modified: 2013-11-10
I have a Dell PowerEdge server with 4 gig of memory and 3 scsi drives.  I recently had all 3 drives crash and purchased and reinstalled all the scsi drives.  That all went smooth, but now my problem is that every time the system reboots, it gives a message that the "system memory has changed" (it has not) and it only recognizes 250 mb of memory.  I also have to press F1 or F2 to get the server to boot.  Any advice would be helpful.
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Question by:manch03
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Expert Comment

by:Mark
ID: 20350299
Here is the Dell doc page for memory installation.
http://support.dell.com/support/edocs/systems/pe2500/en/sm/remove.htm#memory_modules
steps 11-12 deal with this error message.
11- Press <F2> to enter the System Setup program and check the System Memory setting in the system data box on the System Setup screens. The system should have already changed the value in the System Memory setting to reflect the newly installed memory.

12- If the System Memory value is incorrect, one or more of the DIMMs might not be installed properly. Repeat steps 1 through 5 again, checking to make sure that the memory modules are firmly seated in their sockets.
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by:manch03
ID: 20350812
The memory is seated correctly.  This server always recognized the memory correctly prior to the scsi drive crash.  It has limited memory message to 256 mb of ram.
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Expert Comment

by:Mark
ID: 20351417
You may have more issues than the drive crash. The problem may be a faulty ram module or a motherboard issue if your ram isn't getting seen correctly.
What is the exact wording of the error message?
What are the sizes of the ram modules you have installed.
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by:manch03
ID: 20774282
The exact message is "system memory has changed"  I have 4 one gig sticks.  Since I reinstalled the new scsi drives the system does not recognize the 4 gig any longer.  
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Mark earned 500 total points
ID: 20777290
Apparently there was other faulty components , possibly  the motherboard or BIOS , when the crash occurred.
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