Hello all,
I'm trying to help a friend remotely get Ubuntu 12.04 working on his
Dell machine. The machine has four 1024MB sticks in it for a total of
4 GB of RAM. Unfortunately, his machine is only making 256 MB
available. This is true not only when running a linux kernel
(installed and from a LiveCD), but also when running MemTest.
Does anyone have any thoughts on how to have the machine make all the
RAM available or know why it cannot?
Some details pulled from within Ubuntu 12.04:
### info from dmidecode showing it's a Dell PowerEdge 2850
Handle 0x0100, DMI type 1, 25 bytes
System Information
Manufacturer: Dell Computer Corporation
Product Name: PowerEdge 2850
### amount of RAM available to the kernel showing only 256 MB
root@ubuntu:~# free -m
total used free shared buffers cached
Mem: 238 212 26 0 6 47
-/+ buffers/cache: 158 80
Swap: 511 225 286
### physical RAM in the banks, showing 4 GB
root@ubuntu:~# dmidecode | grep -i -e size -e bank | grep -B1 -e Bank
Size: 1024 MB
Bank Locator: Not Specified
Size: 1024 MB
Bank Locator: Not Specified
Size: 1024 MB
Bank Locator: Not Specified
Size: 1024 MB
Bank Locator: Not Specified
Size: No Module Installed
Bank Locator: Not Specified
Size: No Module Installed
Bank Locator: Not Specified
Regards,
- Robert
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