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Full Discussion: 1Gb+ memory problem
Operating Systems Linux Red Hat 1Gb+ memory problem Post 302335678 by jimthompson on Monday 20th of July 2009 07:48:20 AM
Old 07-20-2009
1Gb+ memory problem

Hi, I have a Linux distribution ( Oralce Enterprise Linux 5.3 i.e. Redhat ) that I have installed. It works fine when I used 2*512Mb dimms or replace them with a single 1Gb dimm. However when I try to go above 1 Gb the bootup and general performance deteriorates badly. The BIOS picks up the memory changes ok and I am using the same type of memory sticks. It makes no difference if I load a single memory channel with the 2 sticks or balance the sticks over the 2 channels. I have seen quite a few hits concerning problems with performance over 1Gb - any solutions ?
 

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decode-dimms(1) 						   User Commands						   decode-dimms(1)

NAME
decode-dimms - Decode the information found in memory module SPD EEPROMs. SYNOPSIS
decode-dimms [-c] [-f [-b]] [-x|-X file [files..]] decode-dimms -h DESCRIPTION
The purpose of the decode-dimms tool is to decode the information found in memory module SPD EEPROMs. The SPD data is read either from the running system or dump files. The tool requires the eeprom kernel module to be loaded. PARAMETERS
-f, --format Print nice html output -b, --bodyonly Don't print html header (useful for postprocessing the output) --side-by-side Display all DIMMs side-by-side if possible --merge-cells Merge neighbour cells with identical values (side-by-side output only) -c, --checksum Decode completely even if checksum fails -x Read data from hexdump files -X Same as -x except treat multibyte hex data as little endian -h, --help Display this usage summary SEE ALSO
decode-vaio(1) AUTHORS
Philip Edelbrock <phil@netroedge.com> Christian Zuckschwerdt <zany@triq.net> Burkart Lingner <burkart@bollchen.de> Jean Delvare <khali@linux-fr.org> i2c-tools Oct 2013 decode-dimms(1)
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