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On Sun, 18 Jun 2006, Ralph Slooten wrote: |
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> Hash: SHA1 |
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> |
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> Hi list, |
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> |
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> Today I expended my RAM to 2GB (DDR) to my workstation, as apposed to |
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> the initial 1GB I had. The RAm added is identical to the initial RAM. |
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> Without changing the kernel (2.6.16.x) I still get 1GB available, and |
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> digging into the kernel I found the section regarding the High Memory |
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> Support and Memory split. |
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> |
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> I did a bit of googeling, the first page I found (old) said to turn on |
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> High Memory Support, however a more recent page |
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> (http://linux-vserver.org/Step-by-Step+Guide+2.6) states to leave it off |
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> and just change the split to 2/2 to make full use of 2GB of RAM. |
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> |
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> I tried both ways, but either way I get poor 3D performance from UT2004 |
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> when I have this extra memory in. |
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> |
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> Now I'm confused ;-) It's (kernel's) default is "3G/1G user/kernel |
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> split" but there seems to be no documentation supplied with my kernel |
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> (2.6.16.5). |
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> |
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> Do any of you have experience with > 1GB of RAM, and efficiently getting |
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> this to work _well_ on your systems? What ideal settings should I use in |
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> my kernel? Are there any downsides to > 1GB? |
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> |
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> With "3G/1G user/kernel split" selected, and "High Memory Support (off)" |
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> I get 1GB despite 2GB in the motherboard, even when lilo boots with |
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> append="mem=2048M". If I enable the 2/2 option instead I get 2G of RAM. |
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> I tested the 2GB with 2x virtual machines (vmware) running each with |
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> 512MB ram (iE 1GB in use for vmware) and the system performed still |
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> exceptionally well, however UT2004 still sucks when playing (sluggish |
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> and screen jolts from time to time like I have too little RAM). |
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> |
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> Any ideas? |
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> |
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> Thanks, |
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> Ralph |
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> |
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What graphics card are you using? Sluggish and screen jolts sound possibly |
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like your graphics are too high for the card. Generally too little ram |
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will result in your HD doing a lot of work during gameplay. |
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-- |
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