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Hello i need to get two things for two new boards i purchased their foxconn648fx7MF-S boards i need the correct type memory in DDR400 (low density) or (High Density) and the correct VGA video card's

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Unit Supports up to 2 GB DDR SDRAM , find it on Crucial:

For the Video board, it depends on how you are going to use the unit and how much you want to spent. GeoForce video boards are great.

copy and paste the link into your browser.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Posted on Nov 10, 2008


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Posted on Jan 02, 2017


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Have acer veritron 5600g does it take high density or low density memory

Your computer can take either DDR333 MHz or DDR400MHz (pc2700, or pc3200) NON ECC memory. Even though it can take either you need to use matching modules/ not mixed. DDR400 or pc3200 memory is faster but these are also backward compatible. The memory will only run as fast as your FSB (front side bus) rated frequency. Click HERE to go to Crucial memory advisor page for your model.

Apr 25, 2011 | Computers & Internet

1 Answer

Hi, I don't know if I should get single or double sided ram for this mother board, and is low density ram ok? Thanks, Wayne

This mainboard uses DDR400 memory

A High Density module is by far much slower than Low Density module at the same speed rating say PC3200/DDR400. High density modules are FAR CHEAPER, less than half the price when compare with low density modules and hence high density modules will NOT work on 90% of today's PC chipsets. LOW DENSITY modules have 100% compatibility with ALL systems and ALL chipsets. HIGH DENSITY modules only have 10% compatibility and are VERY SLOW.

So AVOID those 'High-Density - 128Mx4 config 1GB modules which is usually UNBRANDED and is NO NAME!

With this in mind it is far better to use low density Ram. Most RAM cards today are double sided, it all depends on the capacity of the RAM card.

Please rate this solloution as it it much appreciated.


Oct 31, 2010 | Gigabyte GA-8S661FXM-775 MATX MBD SIS661FX...

1 Answer

ECS 648FX-A1 can it use high density memory?

The Motherboard limitation are DDR400 = 2GB maximum size per slot
Allthough you can with slower memory DDR333 or DDR266 go to the 3GB memory limit.
Due to the age it will be trail and error on the memory types. You won't necessary get any problems with the high density memory as long as it is good quality memory and you don't exceed the slot memory limit as mentioned above.
I recommend that you download the motherboard manual and read it.

Dec 02, 2017 | EliteGroup 648FX-A Motherboard

1 Answer

Memory problems

If you are sure your motherboard can handle a 1 GB RAM stick, then the general answer is that the motherboard can not run High Density RAM stick as yours is possibly. You might need to exchange it for a stick of Low Density RAM.

According to some quick research, it says your motherboard can only read up to 2 GB TOTAL of RAM even if you have more installed.

Jan 27, 2009 | EliteGroup ECS K8T800-A (1.0) AMD K8...

1 Answer

My laptop has 256K memory installed. I purchased 512 RAM (max I can add is 1024) and installed it in my hp Pavilion zt1230 laptop. Per instructions, I cleaned gold leads with eraser and popped...

Is it a High Density memory? There are two different types of memory, High and Low. Low density is the universal but High density, may be cheaper but the motherboard needs to be compatible with High density memory. Although your memory fits in the slot, I think you have High density memory hence why it won't boot up and does when you remove the memory.

Dec 06, 2008 | Computers & Internet

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Few questions about RAM memory?


i)  LOW DENSITY modules have 100% compatiility with ALL systems and ALL chipsets.
    HIGH DENSITY modules only have 10% compatibility

    here compatablity means LOW DENSITY RAM are accepted by all system(100%)  or any make           system.. HIGH DENSITY RAM are accepted by 10% by only some system or computers...

ii) in order to check system performance or amount of Computer RAM usage press the ctrl+alt+del
   simultaneously a new window(window task manager) will appear showing:

    CPU usage: showing the amount of CPU or processor utilized at that particular time.
    PF usage: showing the amount of RAM memory utilized at that particular time.
    Physical Memory: showing Total RAM Memory, Available Ram memory....

iii) baiscally they are two types of RAM they are:

    DDR1:which is older one supported by older system  or older mother boards which is costlier
    DDR2: which is latest one supported by all new system or new mother boards which is less                         costlier

    DDR: double data rated ram......which will send data at a double rate compared to SD RAM

iii) here color doesnt matter, these slots either support DDR1 or DDR2 but not both at a time
    DDR1 has 184 pins or gold plated pinssss... on the edge of the RAM
    DDR2 has 240 pins 

    so difference doesnot allow DDR2 to placed in DDR1 motherboards or vice versa...

iv) it does have anything to do with no of chips on the RAM but they only differ whether it is DDR1 OR DDR 2(DDR2 are much faster than DDR1)

NOTE: whatever may the the RAM, each RAM has FSB(called Frequency...) which determines the frequency of rate at which data is tranferred from RAM to processor(CPU)  usually in MHZ such as FSB 300, 400, 200 , 333...................

more the FSB the faster data is transferred to the processor(CPU)

dont worry even RAM with less FSB's work well with the processor....having 1 GB RAM or 2 GB RAM is engouh, it only matters with the speed of CPU ... but not RAM......


Sep 24, 2008 | Compaq Presario SR1120NX 2.66GHZ Tower w/...

2 Answers

New ram

Memory type is the major problem with the 741GX chipset. Very touchy. I used Crucial PC3200 High Density memory to start with (2 x 1 gig Memory), system was lagging even though adjusted settings in bios. whenever a USB device was pluged in, the system would stop responding. Switched to low density memory and no problems since (Ultra PC3200 (2 x 1 gig Memory), and the USB device problem is also solved. I am running WinXP with SP2.

Jun 02, 2008 | EliteGroup 741GX-M Motherboard

1 Answer

Memory Stick Installation

So it seems you got the DDR / DDR2 side of the equation correct, but unknown to most, there is 'low' and 'high' density memory.

The density of memory refers to the number of chips used to make the total amount of memory that your memory stick contains. e.g. High density memory has few, large capacity chips to make up the 1024MB of memory on the stick, whereas low density memory uses many, small capacity chips to make up the same 1024MB total on the stick.

Typically, if it is a low / high density conflict, it is the 'low density' sticks only that will boot.

Me, I purchase Kingston memory when I'm unsure what the motherboard will be, and it has never failed to work.

I fix computers.

May 19, 2008 | EliteGroup PM800M2 Motherboard

1 Answer

High density memory

need low densisty on ebay 35 buck eash 1 gb ok works on picky mobos way better

Feb 07, 2008 | Dell (E210882) Motherboard

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