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Need more ram for an ASUS P5S800-VM motherboard. Not sure what to get. Need 2gb. Assume 2x1gb. DDR or DDR2?. Single sided or double sided? I know I need unbuffered non-ECC. Thanks for any help you may be able to forward. Yours sincerely Colin Sinclair

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Here is a list of all compatible memory for your motherboard. If you click on 'get price', you will be directed to a page that tells you where you can buy the memory and for what price. Hope this helps!

http://www.ec.kingston.com/ecom/configurator_new/modelsinfo.asp?id=8&SysID=21213&mfr=ASUS%2FASmobile&model=P5S800&root=&LinkBack=&Sys=21213-ASUS%2FASmobile-P5S800-VM+Motherboard&distributor=0&submit1=Search

Posted on Apr 25, 2008

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Can i use DDR2 RAM instead of DDR1


YES, if your motherboard accepts DDR Sdram, and DDR2 Sdram ram memory. If your motherboard has both types of ram memory slots.

BUT, you can ONLY use DDR Sdram, OR, DDR2 Sdram.

You Cannot use both types of ram memory in the motherboard, at the same time.
(BIOS will only recognize one type at a time)


NO, if your motherboard does not have ram slots for both DDR Sdram, and DDR2 Sdram ram memory.

Double Data Rate Sdram ram memory modules, have 184 gold plated contact pins on the bottom.
92 on Each side,

http://en.wikipedia.org/wiki/File:Generic_DDR_Memory_%28Xytram%29.jpg

(You can click on the above photo to enlarge)

DDR2 Sdram ram memory modules have 240 contact pins.
120 on Each side.

Sep 04, 2010 | HP PC Desktops

1 Answer

I have purchased an ASUS ASUS P5K SE Motherboard. I want to run a MDT RAM at 667 Mhz DDR2, is it possible as it says nothing in the asus website The ASUS P5K SE Motherboard Qualified Vendors List (QVL)...


"The Asus P5K SE Motherboard Qualified Vendors List (QVL) says that it only runs ram at 1066MHz and MDT is not on the list"

Really? I beg to differ.

The motherboard manual states,
" The chipset officially supports the memory frequency up to DDR2 800MHz. Tuned by the Asus Super Memspeed Technology, this motherboard natively supports up to DDR2 1066MHz."

1) Notice the 'Up To'.
Supports UP TO 800MHz, and with the SMT it supports UP TO 1066MegaHertz.

It will support DDR2 at 667MHz, 800MHz, and 1066MHz (With SMT)

The QVL doesn't encompass all ram memory that is available out there.

The Ram Memory used has to be;
A) Unbuffered
B) DRAM chips used cannot be any larger than 64MB

[DRAM chip.

http://en.wikipedia.org/wiki/File:Generic_DDR_Memory_%28Xytram%29.jpg

The Black rectangular chips, shown on the module of DDR Sdram example above, are DRAM chips.

http://en.wikipedia.org/wiki/DRAM

C) Should follow the JEDEC standard for DDR2 Sdram.
For one, it should follow the JEDEC standard for DDR2 voltage.

1.8 Volts.

Some high performance ram is set to use a slightly higher voltage. The Asus motherboard is set to use DDR2 at 1.8 Volts by default. (Factory settings=Default)

The MDT DDR2 at 667MHz is not high performance ram memory. It will be set to use 1.8 Volts.

Asus Support>Downloads,

http://support.asus.com/download/download.aspx?SLanguage=en-us

Up to the Left side of the page is the heading - Download, in white.
Under it is the - Input Model to Search, box.

Put your mouse cursor in the box, leave it there.
Left-click once.
Type - P5K SE

Go to the Select Category box below it, and left-click on the down arrow, on the right side of the box.

In the drop down list click on - Manual
Now click on - Search info, below it.

Left-click on the blue P5K SE to the left.

Choose the Operating System. Left-click on the down arrow on the right side of the box. I chose Windows XP in the drop down list..
It doesn't matter.

Left-click on Search below.

Now scroll the next page down to Version E3202
Left-click on Global (DLM)
In the security box that pops up, make sure you use capital letters for the letters shown.

Left-click on Submit.

It's a PDF file download. Make take up to 30 seconds before you see the first page. May also take time to fully download. Advise letting it download before looking through it.

I posted the link so that if you have a motherboard manual, and it does not have the information this one has, then you now have the official Asus version.

Ram Memory information starts on Page 37.
Page 40 shows the QVL for DDR2 at 800MHz.
Page 41 shows the QVL for DDR2 at 667MHz.

This QVL does not list MDT either.
It's okay, it will work. The MDT ram memory has SPD support.

[Serial Presense Detect

http://en.wikipedia.org/wiki/Serial_presence_detect

Maximum Total Amount of ram memory is 8GB. You better have an O/S that will recognize 8GB, however, to realize this.

Has to be a 64bit O/S. (Operating System)
Windows XP Home, and Pro that are 32bit versions, will only recognize 3.2 to 3.5GB of ram memory.

Maximum Amount for EACH ram slot is 2GB.

If you only install one ram memory module, make sure it is in Slot 1. (DIMM A1 on that motherboard. The ram memory slot that is closest to the Processor)

350 Watt PSU? Not planning on gaming I see.

Depends on what PSU you have (Power Supply Unit), but it could be old enough to be just putting out 70 percent, of the maximum rated wattage.

245 Watts.

Continued in an additional Comment



Jun 07, 2010 | PC Desktops

2 Answers

DDR or DDR2


DDR 266 is DDR, not DDR 2 . The 266 is the frequency value in Mhz.

Try having the memory refunded or resell it on Ebay, so that you do not lose your money.

Here is supported memory, many older motherboards do not accept modules of over 512Mb each, ask to the seller:

PC2100 Memory DDR266 DDR-266 184-Pin Upgrade (266MHz) Memory Upgrades

Aug 22, 2009 | PC Desktops

5 Answers

Tried to upgrade ram with 2 new pc133 sticks of 256mb ea. Didn't work. What's wrong? Are there switches on the motherboard I need to change? Or something else?


No there are no DIP switches to change, or jumpers to move on your motherboard, in regards to your BIOS recognizing ram memory installed.
(BIOS. Basic Input/Output System. This tiny program, {64MB in size usually}, that is burned into your BIOS chipset, is what recognizes ram memory on your computer)

Things to know about the older Sdram ram memory.
1.It's really SDR Sdram. Single Data Rate Synchronous Dynamic Random Access Memory.
DDR is Double Data Rate Sdram, DDR2 is Double Data Rate 2 Sdram, and so on.

Point? All ram from SDR to DDR3, IS Sdram.

2.Standards have been set by JEDEC for computer ram memory starting from DDR Sdram on up. This standards were not implemented back in the day of SDR Sdram.

Point? Ram memory manufacturers didn't all follow the same standard, and ram memory made for one computer, would Not work in another computer.
This means you need THE ram memory for YOUR eMachines computer.

Main factors when buying SDR Sdram,
A.Correct type. You know this. SDR Sdram.
168 gold plated contact pins on the bottom of the ram 'stick'. (82 on each side)

B.Correct 'Speed'. ('Speed' is slang for Frequency Rate) You know this. SDR Sdram that operates at a frequency rate of 133MHz. (Or also known as PC133)

C.It must be low density Non-ECC ram memory. It cannot be high density ECC. (Error Control Correcting. Used for Server computers mostly)

D.Correct CAS Latency. Also known as Ram Timings. 3-3-3-3-2 would be normal for SDR Sdram.

E.Correct Chip Configuration. How the DRAM chips are accessed. DRAM chips are the black rectangular chips on each side of your ram memory 'stick'. Also what size the DRAM chips are in MegaBytes. (MB)

F.What the Maximum TOTAL Amount is for the motherboard. Is it 256MB? 512MB? Or more?

G.What the Maximum Amount is for EACH ram 'slot'. (Correct speak for 'Slot' is Bank)

H.Do you have four ram 'slots'? You MUST have a ram stick in Slot 1. This is the slot closest to the processor. It is the first ram slot the processor 'reads'.

Jul 12, 2009 | E-Machines eMachines Desktop PC

2 Answers

I need help with what ram sticks i can use


You need to find the manual online for your board. It will contain the information you need about your memory. Usually you don't mix DDR and DDR2 sticks... and DDR2 is far more stable and better. So I would just stick with that.

Here's a manual for your board to download..

http://safemanuals.com/user-guide-instructions-owner-manual/BIOSTAR/M7VIG%20400-_S

AND... here as well.

http://www.biostar.com.tw/app/en-us/mb/content.php?S_ID=273

I hope I have been of some assistance!

Good luck!

Jul 01, 2009 | PC Desktops

2 Answers

I need upgrade my memory and need manural to learn how


Hi there.
Your computer will support 2x1GB (2GB max) DDR2 SDRAM.
Installing it is surprisingly easy!!!
Remove the power cord from the back of the tower and then take off the side panel so you can see the motherboard, then look for the ram (memory), it looks like this >>>>>>
e4d6c48.jpg

The slots the clip into look like this >>>>>
d3f3d3a.jpeg
You will will have only 2 of these slots and they may differ in colour, all you have to do is push on the cream tabs to release the memory modules and to put it back in just make sure it clips into place.
Please post back if you need anymore help or advice.

Good luck and thanks for using FixYa!!

May 24, 2009 | E-Machines eMachines T3830 PC Desktop

1 Answer

NX8600GT problems with ASUS P5RD1-VM???


You just need to upgrade the RAM to 1 GB or higher there is no problem with the motherboard.

Aug 17, 2008 | PC Desktops

1 Answer

I have an ASUS P5S899-VM motherboard and wish to install 2 x 1gb Samsung ddr PC3200 184 pin ram. Is this ram compatible with the motherboard? Many thanks, Colin Sinclair.


First you have to know the mother board supports the ram with ddr 1 and ddr2 . Now the new technology motherboard are supports only ddr2 ram and the ddr1 ram are consider as the older version. But ASuS P5S899-VM is contains the new technolgy of ram slot please see the manua or the mother board box. there you can see which it supports.please check it

Apr 28, 2008 | PC Desktops

1 Answer

Very slow startup - need more ram??


ur Ram is compatible with DD2? if its compatible with DD2 then u need a DD2.. kingston is a good brand.. the speed is depending on you.. you like 1GB or 2GB.. hope it helps

Oct 17, 2007 | PC Desktops

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