Question about Dell Latitude CPX650 Notebook

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Missing Ram I have a dell CPX 650. I just installed two new 256 Ram in the DIMM slots. It worked for a while. Now one of the DIMMs will not register. Both ram sticks work on DIMM A but not on B. How can I check to see if this is a hardward or software problem. Thanks.

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That's what I thought might be the problem.

I bought a motherboard on E-Bay and will install it when it arrives and see if this does the job.

thanks

Posted on Jun 25, 2008

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The DIMM B socket is probably going bad. I talked with a Dell Tech, she said a motherboard replacement would be necessary, but if you send me back the Service tag for the laptop, I can be a better help.

Posted on Jun 19, 2008

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1 Answer

IBM T23 wont turn on after adding new RAM


Hi - according to memory suppliers your T23 has the following memory capacity / requirements:

  • IBM ThinkPad T23 maximum RAM capacity: 1GB
  • Your IBM has Two (2) memory slots or sockets
  • Module upgrade PIN count is: 144-PIN
  • The memory speed is: SDRAM 133MHz, PC133
  • The laptop DIMM type for the ThinkPad T23 is: SODIMM, SO-DIMM, Small Outline DIMM
  • Non ECC

If you are meeting these requirements, you may have a defective module.

Also, according to Lenovo's page on the machine:

Memory
The system has 128MB or 256MB of memory standard and can be configured for up to 1GB of addressable memory. Memory options up to 512MB SDRAM SO DIMMs each can be added in the two available slots for memory expansion. The standard 128MB of memory is expandable up to 640MB and the 256MB of memory is expandable up to 768 MB of addressable memory with 64, 128, 256, or 512MB SO DIMMs without removing the 128MB SO DIMM that is standard in one of the internal slots for memory. For customers that need the maximum 1GB to which memory can be expanded, it is necessary to replace the 128MB or 256MB card with a 512MB card plus add another 512MB card in the extra slot. Only 133MHz DIMM memory can be used in this system. The use of 100MHz DIMM memory is not supported in the T23 systems.

This means yo can trouble shoot the 512MB modules individually by installing one of the original 128MB modules and one of the new 512MB modules (for a total system memory of 640MB). If it does not boot, try again with the other 512MB module. This will help you identify a defective module that may be preventing the machine from booting.

I hope this helps & good luck!

Sep 28, 2012 | IBM ThinkPad T23 Notebook

2 Answers

How do add ram or is it even possible on this unit


Hello, yes it's possible. There are 2 memory slots under the keyboard. Take a look at
http://www.ehow.com/how_6234021_install-memory-compaq-armada-e500.html
for quite a lot of info on the Armada E500. Also youtube for some useful info. if you type 'Compaq Armada E500' into the search box.
Regards
nicam49

Oct 30, 2010 | Compaq Armada E500 Notebook

3 Answers

I need to add extra memory now my lap top works with 128 MB i need to be 256 MB


thats no problem sir,u can upgrade the memory cards of the computer to the level which it supports may be 1gb,2gb or 4gb.....
u can purchase another memory stick of same specifications because its availiable is different size like 128Mb,256Mb,512Mb or 1Gb.....you can use any one according to your wish...

Apr 26, 2009 | Toshiba Tecra 8200 PIII-850MHz/ 256MB/...

3 Answers

Dell Latitude D600 - RAM not recognized


One of the DIMMS might be incompatible or faulry.
Put one DIMM in at a time to determine which is not working.
If they both work separately then it appears they are incompatible together. Try to get the DIMMs from the same manufacturer, with the same specs.

Mar 08, 2009 | Dell Latitude D600 Notebook

1 Answer

Dell Latitude CPx H500GT fails when using 2x256 Mb memory in bay


If the laptop is in warranty, then dell will take care of it. Also, are the two ram sticks the same speed? mixing ram can be bad. also, goldmemory software is excellent for ram testing.
lastly, if there is a bios version that allows you to use both ram slots, use that bios. a newer bios is not always better.

Dec 24, 2008 | PC Laptops

2 Answers

Cpx Pc Notebook memory upgrade


you can use 2x128mb or to flash the bios with new version..

Oct 28, 2008 | Dell Latitude CPX Notebook

2 Answers

How to upgrade a Dell Latitude CPX - Intel P3 500-650 laptop


I have a CPX H500GT. To get it to run XP Pro to run right, max out the ram. And get a larger harddrive. Xp uses a substantial amount of space.

Sep 22, 2008 | Dell Latitude CPX Notebook

1 Answer

Where is the RAM SIMM Slots in a NEC Versa LX?


Hi

The SO DIMMs (RAM) slot is located below the keyboard on these.

Just a quick note:
Installed Size: 64 MB / 256 MB (max)
Technology: SDRAM
Form Factor: SO DIMM 144-PIN


More info - http://www.nec-computers.co.uk/support/pib.asp?mode=default&platform=platform_a2

Mike

Mar 27, 2008 | NEC Versa LX Notebook

2 Answers

Memory upgrade from 512 to 1,024 problem


Are both of the ram PC2100? Because this mother board only supports PC2100 memory modules.

Mar 30, 2007 | Sony VAIO FRV28 Notebook

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