Give this a go:
Just in case your distro isn't pretweaked enough.
Linux users looking for something to help speed up their systems may want to consider Powertweak Linux, a free system optimization tool.
The tool runs as a daemon in the background on a Linux machine and can be used to tune CPU performance by modifying the configuration registers in a Linux system. The program also can be used to adjust CDROM drive speeds, optimize file system performance using " /proc/sys " entries and change power management settings by interacting with hard drive " sleep " settings, similar to the use of the " hdparm " command.Download: Powertweak Linux
Also be sure to read this related article:
Check it out
How big is your swap? Do you even have a swap? Are your hard drives running in PIO or DMA mode?
I have Xandros running on a PIII 1.0GHZ with 512MB ram and it works jim dandy.
Also try checking your hard disk speed:
"hdparm -tT /dev/hdx " on whatever drive is / . If its really slow it may account for slow loading. This might be fixed by playing with hdparm but I won't go into it until we have some more info.
Go into a console and run the following:
"hdparm -tT /dev/hdX " on whatever drive X is / (hda, hdc, etc.)
That should fix it.
And speaking of swap *above*, try tweaking your "swappiness"
http://kerneltrap.org/node/3000
You can add
---------------------------------
vm.swappiness=10
to the /etc/sysctl.conf file.
Also try a other I/O schedular like cfq.
You can change the schedular by adding a line
-----------------------------------------------------
elevator=cfq
to the grub.conf
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