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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LEARN ABOUT CENTOS
decode-dimms
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)