Question about Dell Optiplex GX260 Desktop PC - Intel P4 2.4GHz, 512MB, 40GB HDD, CD-ROM, 10/100 LAN, O

2 Answers

Trying to upgrade RAM

I have a Dell Optiplex GX260,and I had two 512MB strips in it,and it worked OK.I don't know what possessed me to try to upgrade this.I bought two 1GB strips-which the guy told me were compatible(had multiple speeds---he named them).He said they would clock down and all of that stuff.The computer BEEPS,so I read about this being a problem with the RAM.I took them back and he told me to upgrade my BIOS.According to my start-up screen I have BIOS Revision A02.I got on Dell's Webpage and saw that A09 is the latest,so I thought I could download that.It says to basically either load it onto a 3.5'' formatted floppy,and then use this disc to FLASH THE BIOS-whatever that is.Hey-No Problem I guess.Either that or load it onto your C drive,and then put it onto a 3.5'' formatted floppy and do the FLASH.The problem is the file size is 2.0MB.All 3.5'' formatted floppy discs are 1.44MB.Does anyone have a solution to this?I thought about just running the program from C,but people tell me that this won't work.Is there a solution to this?Either that,or I am taking these strips back to the dude,and my two 512MB strips back-I didn't have a prob with them.From reading,also on sites where they sell the sticks,they say use the lower value between what Dell says is the max for this computer(2048),and what Windows says(I have XP PRO)-which says 4G,so I am going with the two,but first I need to do the BIOS upgrade,which the dude swears would make these sticks work.Does this sound like good info? THANK YOU for goiving me the solution,or even pointing me in the right direction!!! OK the computer when I put in the product,won't let me enter this info,but I have the BIG (WIDE) Tower,not the mini-tower or the flat version(model).

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  • discipio2 Feb 26, 2009

    Thanks-both of you guys! I did finally get the BIOS to upgrade to A09 version-great! Nicer new "DELL" logo and all. However...that did not solve the problem. I guess I am right back where I started. The sticks do not say what the pc#/clock speed is on them-so I don't know.They still will not boot up though-either both or one at a time. I finally took them out and put that old 256 stick in that I know will work! Jell-I am going to check out that spec that you gave me,and consider that,or I might just go back there and get my two 512 sticks back(at least I know that they work)! Just in case I wanted to return to A02 version of BIOS-is that possible to do? Also does anyone know what the benefits are of upgrading your BIOS? THANKS to both of you guyz!!!

  • discipio2 Feb 26, 2009

    Jell_Thanks for the comeback on that.I am still perplexed...but hopeful! Here is what the wrongful RAM strips say: (HERE IS WHAT IS PRINTED ON THEM) ... KVR400X72C3A/1G 2.6V. They are KINGSTON KVR. My two 512s were both this brand.You might be right on why they are not working!!! If they are supposed to be 2.5 Volt,and I have 2.6V-I suppose that is critical then(more so than the pc#/clock speed--2700,2100,etc.?). I remember the two 512 sticks that I swapped out for them had different speeds(I think one was 2700,the other 3200). I thought the GX260 Optiplex was working OK. I am going to shut down my computer and take out the 256 strip that I have in there now(that is working good),just to read what is written on it.I will POST what I find! THANKS AGAIN Jell-KEEP UP THE GOOD WORK! Tomorrow(now today)-I am going back to see if the dude has 2.5V sticks! I will swap them out and post the results.

  • discipio2 Feb 26, 2009

    Oh yeah_I forgot to ask---what does the CL2.5 stand for?

  • discipio2 Feb 26, 2009

    OK_Here is what is printed on my 256 stick: NANYA; NT256D64588AAG-7K; 256MB DDR-256MHz-CL2;PC2100U-20330;0308 JM90321203A.89707-1.1T (WHERE ";" dilineates the end of a line[there are 4 lines]). Also,printed is the number: 35990 @ a 90 degree angle to the other 4 lines(or printed across the strip.

  • discipio2 Feb 26, 2009

    THANKS A MILLION Jell-_Everything worked out! He had some(my vendor) 2.5V sticks(1G)(used),and swapped them out for the 2.6V ones,I put them in and it works. I clicked on your pic/site,and I see that you are an expert in GRAPHICS CARDS. I am going to get on and ask you about one of those,and also if you think I should put a new sound card in there also! THANKS AGAIN!!!

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  • Master
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Since the BIOS update is too big for a floppy, why not burn it to a CD and boot to the CD to flash your BIOS with the update?

Posted on Feb 25, 2009

  • Frank  Fernandez
    Frank Fernandez Feb 25, 2009

    You could also try installing one stick of the new RAM at a time to see if the computer will boot, as a defective stick of RAM will cause the error beeps and it's more common than you would expect to find new defective RAM.

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  • Master
  • 447 Answers

These are the exact specs for the memory that will work in your machine.

Note: I am not affiliated with this vendor in any way, it's for illustrative purposes only.

Posted on Feb 25, 2009

  • 1 more comment 
  • John Elliott
    John Elliott Feb 25, 2009

    Oh, and a BIOS update shouldn't be necessary, your machine should recognize those mods just fine.

  • John Elliott
    John Elliott Feb 26, 2009

    Most important - check the voltage of the ram.

    There's a pretty good chance that the mods that didn't work for you were the wrong voltage - the one's you need are 2.5v CL2.5.

  • John Elliott
    John Elliott Feb 26, 2009

    CL2/2.5/3 is the CAS Latency that the RAM is rated for.

    The last trip I took up to the local Fry's Electronics store here they didn't even carry the 2.5v memory sticks that I needed for a Dell that I was working on so it's a possibility that your vendor may not either.

    You should be able to use the specs/part numbers linked to in my original post to locate the appropriate memory for your unit or you can go to crucial.com or memory.com and put your model in to get the same results and pricing per stick.


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