Question about ASUS P5VDC-MX Motherboard

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I have a asus p5vdc-mx motherboard and have upgraded from 2x512mb DDR1 RAM modules to 2x 1GB DDR2 Ram modules, however computer only see 512mb per module (to total 1GB). How do I fix this?

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Change your dram frequency and timing settings in bois to auto

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Try updating the BIOS. Also what O.S. are you running

Posted on Oct 03, 2009

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3 Answers

Do I need to buy 2 DDR2 Ram for my ASUS P5VDC-MX Motherboard?


with rams, if the memory it has is higher than that of your cpu, the pc will not boot up or if it is too low compared to your cpu again.

thus, you say it has got two slots right, remove both of the 512's and insert the 1gig only, run your computer, i am sure it will boot up nicely. switch it off. put one 512, if it does not boot then you should know that your ram has an excess of memory that your cpu could not apprehend to.

post a coment if this does not work.

thanks,

wonder

Sep 18, 2009 | ASUS P5VDC-MX Motherboard

2 Answers

Asus P5VDC-MX question about ram .


Hi

You can add one more 1GB ram module.

Max Supported RAM 2 GB Memory Type DDR2Supported RAM Speeds 400 MHz · 266 MHz · 533 MHz · 333 MHz

Jul 06, 2009 | ASUS P5VDC-MX Motherboard

1 Answer

Ram assurance


The schematic layout of the P5VDC-MX on the user manual shows that there are 4 DIMM banks, set as 2 X 2 rows, 2 DDR2 and 2 DDR.

The user manual explicity states:
cbae7ab.jpg

I am running different frequency modules without any problems. With the info above provided by ASUS, it may be possible that a fix could be available with a BIOS update. Otherwise, you can opt to use a lower capacity RAM along with your 1GB Corsair.

Hope this helps.

Jun 24, 2009 | ASUS P5VDC-MX Motherboard

2 Answers

Ram


Your motherboard can take DDR or DDR2 RAM modules.

Crucial says: "Each memory slot can hold DDR PC2700,DDR PC3200,DDR2 PC2-5300 with a maximum of 1GB per slot." No sense getting 4GB since the max is 2GB.

You can get higher speed RAM (PC2-6400) because it is backward compatible.

I would go with the 2 X 1GB Corsair from the ones listed.

Or consider the options on Crucial's site. See this page:

http://www.crucial.com/store/listparts.aspx?model=P5VDC-MX

Two 1GB modules of DDR2 PC2-5300 run about $34 US.

(PS. Your 450W power supply will handle about anything.)

Jun 03, 2009 | ASUS P5VDC-MX Motherboard

2 Answers

1gb shows 512mb only


Your mobo is quite old and its chipset can only support a maximum of 512MB PER SIDE (technically called a bank) of a memory module. I would guess that your 1gb memory module has 8 chips that are all located on one side of the module, putting all of the 1 GB on one bank. Thus, only 512MB of your 1 gb RAM is detected and usable by your motherboard (the remaining 32 mb is most likely being used by your onboard video). You'll need to find a double sided 1 gb memory module (usually 8 chips on each side).

Mar 06, 2009 | ASUS P5VDC-MX Motherboard

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