Question about ASUS P4P800-E Deluxe Motherboard

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Asus P4P800E Deluxe won't boot after upgrading RAM to 4GB

I have just installed 4 x 1gb of RAM having removed the original 512mb module. The machine now will not boot first (or sometimes second and third go) but does start eventually. It would appear it is happier to turn off and on again if war but if it has stood overnight it seems reluctant to get going.

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  • rollernig Dec 22, 2008

    It was purchased from Crucial.com and guaranteed as being compatible. I'll have a look though. Thanks

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  • 48 Answers

Check if you Ram appear in Qualification Vendor List OF ASUS

Posted on Dec 22, 2008

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1 Answer

Upgraded ram 1gb wont boot hp 510 mobo 30C4


If you added another 512Mb RAM to increase the RAM to 1Gb then the new 512Mb memory stick could be incompatible with the original 512Mb or it could be faulty.
Use RAM that is same make and speed as the original RAM.
Remove both RAM and just insert the new 512Mb into your laptop and see if the laptop boots up, if not then the RAM could be faulty.

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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

1 Answer

I recently purchased Two PNY 1Gb ram to upgrade from original 512mb. When I put both 1Gb ram in the slots, the computer will not boot up. When I take one out and put the original 512 back in with the other...


I don't know your specific model, but some of the Emachines had some memory directly on the motherboard. With the 1Gb and 512Mb sticks installed, boot the machine and report how much memory the system sees. Perhaps the onboard memory is causing you to exceed the 2Gb limit.

Please post the memory size you get here with the above sticks.

Thanks,
Dan

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Installing a 512mb PC133 memory module in a t1090 emachine. The pc wont recognize the module and wont boot nor go into post. Switching back to the original two 128mb modules and the pc works normal. Is...


Hi there
Your t1090 will only accept a maximum chip size of 256Mb and so it will not accept the added the 512mb chip as it cannot handle it. 512 is the maximum size of RAM for this machine but unfortunately you cant put it in in one go

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1 Answer

Dead ASUS P4P800e-deluxe motherboard. The verbal POST says ''System failed CPU test''


Try cleaning up the motherboard, remove and clean the heatsink, CPU fan, RAM, etc. Might be caused by dust that have build up inside. Hope this helps.

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Sharp Actius AV18 does not recognize added 512MB PC2700 RAM. The machine still only sees 256MB. Is there something else I need to do?


I assume the laptop had originally 256Mb RAM and you put 512Mb RAM in a the spare memory slot and you expected to see 768Mb of memory, is this correct? Try removing the 256Mb memory module and insert the 512Mb memory module and see if the laptop boots up with 512Mb of RAM. If it doesn't boot up then the RAM is either incompatible or faulty. Try using RAM modules from the same manufacturer.

Jun 09, 2009 | Sharp Actius AV18 Notebook

2 Answers

Ram upgrade


you need to make sure the ram is compatable, it looks like an old machine so chances are its using sdram pc100,
check the ram your trying to make sure its not pc133. let me know what each piece of ram has on its sticker

Mar 23, 2009 | Dell OptiPlex GX200 PC Desktop

1 Answer

OS not showing full RAM


Hi Shibbymusic, as with most Asus boards if not all! The MB
A8N-E does not show all of your 4GB memory. See this FAQ;
http://support.asus.com/faq/faq.aspx?SLanguage=en-us&model=A8N-E&os=17
Like you, I too have 4GB of memory.
Asus A8N32-SLI Deluxe w/4GB memory only see's 3GB
The bios displays 3GB during boot up & so does windows XP 32bit.
You might want to think about upgrading to 64bit os.
Updating your bios should help as well.
(See A8N-E Bios version 1010); http://support.asus.com/download/download.aspx?modelname=A8N-E&SLanguage=en-us

Thank you for using fixya!
Mike

Dec 07, 2008 | ASUS A8N-E Motherboard

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