By looking at the manual that came with E521, you can certainly install up to 4Gb of RAM in total. Certainly, you can install 1Gb stick on each one of the four slots.
There was a live email to me that a stick of 2GB Rams worked. The Ram used was Gskill 2GB X2, PC6400, 1.8-1.9volt
Tom Ackroyd (the person whom I have spoken to) ordered the Brisbane edition of AMD 6000+ and two sticks of 2GB ram and asked me if they work all right.
The items came to him and he confirmed that the RAMs did work!! (but had a bit of trouble installing the new CPU).
He had managed to install two sticks 4Gb in total but I can not guarantee that you can install FOUR sticks of 2GB ram. I myself haven't tried this yet.
I have seen someone in some forums somewhere who installed 2GB ram but I won't trust them.
I would rather like to continue investigating this matter with Tom as I can contact him straight away.
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I was able to install two 4GB DDR2 PC2 6400 800Mhz memory sticks. My E521 is now running 10GB of RAM. I could easily upgrade the system to 16GB of RAM
Thank you for telling me the news!. But will you also tell me the model of Ram you have used to achieve it please? Thanks.
Awesome. Can't wait to try this.
Have you tried this T?
hi lads, i can confirm that E521 takes 2GB Ram module and over 4GB Ram in total. Had a mixed memory in it 2x2GB Crosair 2.2v 800MHz and 2x1GB Crosair 1.8v 800MHz. Pretty sure it will take 4GB sticks, just don`t have them to test:/ So this old fella can still compete with todays machines, a superb product from Dell!
i also to day put 4x2gb of pcs 6400 800mhz for 8Gb total. runs flawlesly. who ever overclocking using clockgen is a noo. mt computer crashed for the first time today after 10 notches overclocked. 100mhz prosesor speed up
hi all i today upgraded from 4Gb to 4X2Gb pcs-6400 800mhz. 8Gb total. i brought them from ebay for £30 brand new from hong kong. what a bargain
Danny, are you running 32- or 64-bit with the 8GB of RAM?
Dear Brandon,
64bit Brandon. Anything above and including 4GB needs 64bit OS to fully use them.
Regards
Tomo
Okay Thanks. I had been looking for that answer.
Dear Brandon,
My pleasure!
Tomo
I am currently running 8gb of ram at 800 MHz with CAS latency of 5. I recently purchased 16gb of Samsung high density ram. 4gb per stick. Running one of Linux's terminal commands,I discovered that the maximum capacity of the motherboard is 4gb per dimm slot. So I'm hoping the 16gb work with the only compromise being just an increase in CAS latency.
I received my ram modules yesterday. Unfortunately but not surprisingly there is a bios limitation for easily installing 16gb or ram. Installing all 4 4gb ram modules, the system would not boot passed the bios, getting stuck at the bios load screen. I then tried to see if the ram was defective, so I tried out all the ram modules one by one. Interestingly enough, each stick gave me different results. So I have a slight concern they may have been damaged while in shipment. The packaging wasn't as sturdy as of my previous ram orders from korea/china. Fortunately, I was able to boot passed the bios with 1 or 2 4gb ram modules installed. The bios detects the 4gb ram modules, but for total ram memory it reads out "blank". So after booting passed the bios, I ran memtest 86 with 1 ram 4gb ram stick, and voila. The single 4gb of ram is detected as 4gb and runs fine. However, I did have a lot of homework, so I couldn't test memtest 86 with 2 ram modules. Regardless though, the computer would not boot into Ubuntu 16.04 with one or two 4gb ram modules, giving me a variety errors and I think at one point it did manage to boot but my cpu overheated and shut off immediately (my new heatsink has yet to arrive). So then I decided to see if I could find a solution online being that the problem is with the bios and perhaps with OS configurations. I found mentioned for a different Dell model, that there is a bios bug where if you install your previous working memory, and then install the new memory without entering the bios, the bios won't recognize the memory change. Only problem with that method is that the bios freezes at startup if using all 4 4g ram modules. So I tried it out with 3x2gb and 1x4gb ram modules and the OS was able to boot. I took a screenshot of Ubuntu recognizing the 10gb of ram. I suspect that this method will also work with 2x2gb and 2x4gb for a total of 12gb. Later in the week after I receive my heat sink, I will try to see if I can boot the OS with 16gb of ram by turning on "fast boot" in the bios option. Hopefully this allows me circumvent the bios issue that cause the bios to freeze. But the motherboard does seem to at least support 2x4gb ram modules. I will continue to see if I can manage to run all 4 modules, maybe even by updating the bios with a custom fix. Sorry if the post isn't too organized, I typed it up in a rush during break between classes.
Hey @gmgarciam did you figure out how to run all 4 4gb ram sticks?
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