Question about Foxconn 661FX7MI-RS (661FX7MIS) Motherboard

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What kind of ram should be used?

What memory sticks should I used for this motherboard PC what?

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The easiest way is if it's still in use go to www.crucial.com and let it search your board and tell you the type you require. If it's not in use if it's SDRAM then PC133 is the only speed you can readilly get hold of, or PC3200 if it's DDR as it will be backward compatable.

Posted on Oct 09, 2007

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What's your problem?bit ix38 quad gt motherboard with 2 gig of ddr2 ram i want to add a 1 gig stick of more ram that ive bought how do i do this? thanks windows seven


Top view of motherboard, scroll down. (Thought you might also like to read the reviews, and Comments)

http://www.bit-tech.net/hardware/motherboards/2007/12/06/abit_ix38_quadgt/2

Motherboard User Manual,

http://www.theraptorpit.com/forum/index.php?/forum/124-abit-motherboard-tech-support-unofficial/

1) On the motherboard the Blue ram memory slot that is closest to the copper heatsink, is ram memory Slot 1.
Also known as DIMM 1.

Ram memory ALWAYS has to be in this ram memory slot.
The Processor reads ram memory Slot 1 first.

2) The Blue ram memory slots are Slot 1 (DIMM 1), and Slot 3.
(DIMM 3)
The Black ram memory slots are Slot 2 (DIMM 2), and Slot 4.
(DIMM 4)

To run Dual Channel ram memory, means there are two LIKE ram memory modules ('Stick'), and they are installed in the SAME channel.

This would mean to alike ram memory modules, in both Blue ram memory slots, or both Black ram memory slots.

Since the ram memory modules need to be alike, they are generally purchased from the same manufacturer, and are the same kind.

Running ram memory in a dual channel configuration, is supposed to increase ram memory 'speed', up to 30 percent.

This is Baloney!
May look good on paper, but in actual use in the field it's cr@p.
Actual performance increase is more like 1 to 2 percent.
This has been proven by Tom's Hardware, and many, many motherboards, ram memory, Processors, etc.

So you have 2GB of DDR2 Sdram, huh?
Is it just one 'stick' of ram memory, or are you referring to two 1GB sticks?

If the above holds true install them in Slot 1 and Slot 3.

If not, and it is a 2GB stick of ram memory, be sure it is installed in Slot 1 (DIMM 1)
Install the 1GB stick in Slot 2.

It isn't the same as the 2GB stick.
It is 1GB.
Does NOT go in a dual channel configuration.

(Catching all this? There is NO dual channel ram memory!

It is ram memory that is -> ALIKE, and used in a -> dual channel configuration.
Used in two separate ram memory slots, that support the dual channel configuration.

Sold with the advertising scheme of 'Dual Channel', but really just means the two ram memory modules, (Or four), are -> alike.

1) Same Voltage used
2) Same Ram Timings
3) Same Chip Configuration
4) Same size in amount
5) Same frequency rate ('Speed')

With ram memory in a dual channel configuration, the ram memory modules team up on the task.)

For additional questions please post in a Comment.

Regards,
joecoolvette

Oct 31, 2012 | Computers & Internet

2 Answers

Why does memory upgrade for biostar k8m800-mam2 motherboard cause memory error beeps?


I would verify that the memory you're using is actually working properly.
Try to boot to the new stick and see if it works.
If not, it doesn't work.
If it does, you may need to replace the original stick with the same stick that you are trying to use now.
Use this site as a guide.
http://www.crucial.com/store/listparts.aspx?model=K8M800%20Micro%20AM2&Cat=RAM

Dec 22, 2011 | Biostar K8M800 Micro AM2 Motherboard

1 Answer

Hi guys, i have installed 2 sdrams pc-133 512mb,together 1gb, but yhe bios and the system shows me only the half memory,whyyyyyyyy


Are you sure that both sticks of RAM are properly "seated"?

How much memory is found when only one stick is used?
How much memory is found when only the other stick is used?

Which motherboard? Some very-old motherboards only support a maximum of 256MB per slot.

How many memory-chips are on each stick of RAM?
If you have purchased "high-density" memory (small number of memory-chips),
and your motherboard only supports "low-density" memory, then only 1/2 or 1/4 of the actual RAM will be used.

Feb 17, 2011 | DFI CA63-EC Motherboard

1 Answer

Getting the message of internal problem - violation of memory


Take down the entire error message word for word and then google it. If its a memory issue you
might have to replace the ram.

RAm is pretty cheap. It's bought in sticks. About 25 dollars a stick. Open up the case and find out what kind of motherboard you
have and go online to buy ram for it. Then follow the instructions for installing it.

Dec 31, 2010 | Computers & Internet

3 Answers

What kind of motherboard is in my acer aspire AST 180-UA381B- It has 4 RAM slots and when i tried to add the 3rd it whent nuts with beeps


The motherboard for the Acer Aspire t180-UA381B desktop computer, is supposed to be based on the Foxconn AM2 MCP61S series of motherboards.

Based on one of these two with some small modifications,

http://www.foxconnchannel.com/product/Motherboards/chipset.aspx?socket_id=en-us0000007&chipset_id=en-us0000090&Socket=Socket+AM2&Chipset=MCP61S

(You can click on Specifications for each motherboard, then click on the photo of the motherboard to enlarge.
After clicking it takes a second, then a small window comes up on the left. Click on the Maximize icon. { Icon to the left of the Red X)

There are Four ram memory slots.

2 of the ram memory slots make up one Channel.
The other 2 ram memory slots make up the other Channel.

When you use ram memory that has the SAME specifications, in the SAME channel, you are using the ram memory in Dual Channel.

[ And I mean the SAME.
Sometimes this means from the same manufacturer.

Same type, same frequency rate, {'Speed'}, same density, same chip configuration, same ram timings, same voltage, Unbuffered, and Non-ECC ]

When you install ram memory in a Dual Channel configuration, the two ram memory modules ('Sticks'), 'piggyback' off of each other.
They essentially team up on the task.

In the past this was thought to increase ram memory 'power' up to 30 percent.

Extensive testing has proven this to be a fallacy.
2 to 3 percent is more accurate.

NOW;
The Maximum Total Amount for the motherboard, (Relying, if it does indeed follow the specs of the Foxconn motherboards linked above), is 4GB.

[ According to Acer Support, the above criteria follows suit,

http://support.acer.com/acerpanam/desktop/0000/Acer/AspireT180/AspireT180sp2.shtml ]

EACH ram slot's Maximum Amount is 1GB.

If, perse, you have 1GB in each of the first 2 ram slots that are closest to the Processor, (Same channel. Same color), and are trying to install a ram memory module of 2 GB in the 3rd slot, this isn't going to work.

If you are trying to install a ram memory module that is of a different frequency rate ('Speed'), it may also not work.

Example: DDR2 Sdram at 667Mhz, (PC2-5300), and DDR2 Sdram at 1066MHz, (PC2-8500)

Further example:
You have 2 sticks of PC2-5300 at a 1GB amount in Slots 1 and 2.
You try to install a stick of PC2-6400, or PC2-8500 of 1GB in Slot 3.

Not happening.

BIOS will try to clock down the faster ram memory to the slower ram memory that is installed.
One step up, (PC2-5300 to PC2-6400 for example), may work.

Two steps up will not.
(Example PC2-5300 to PC2-8500)

It also depends on what Processor you have installed.
Ram memory typically operates at half of the FSB frequency rate, that the Processor's FSB does.

According to Acer Support, an AMD Athlon 64 X2 processor, or an AMD Athlon 64 processor, or an AMD Sempron processor can be installed.

I suggest using CPU-Z from CPUID.com, and find out the exact specs of the hardware inside your computer. (It's free, although they do accept donations}

As stated, Crucial has a good system scan analyzer, but has been found to be unreliable, or doesn't work in some circumstances.

You also need to know the specifications of the ram memory you are installing.

Comparing stock performance ram memory, to high performance ram memory.

Some of the high performance ram memory uses a higher voltage, for one.
For two the ram timings are different.
For three the density of the DRAM chips are different.
For four the Chip Configuration is different.

Just some of the parameters that can vary.

Stock voltage for DDR2 Sdram set by JEDEC at 1.8 Volts.
This is what is set as a default voltage in your computer, for your ram memory.
Use high performance ram memory that may use 2.1 volts, and there's going to be a problem.

Also if you purchased this ram memory from Ebay, good luck.

Need to know WHAT ram memory you have installed in Slot 1 and 2.
Give me any numbers off of the ram memory module that you see, and if there is a manufacturer name.

Same with the ram memory module you are trying to install.
Also would like to know if the two Foxconn mobos, (MOtherBOard), that I linked above, resemble yours.

Post in a Comment.

Aug 14, 2010 | Acer ASPIRE T180-UA381B DESKTOP PC

1 Answer

What kind of memory can i add


go by the law, youre only as fast as your slowest stick of ram, and PC2700 is about the most expensive ram out there.. old ram that is...
if i were you, sell those two, and buy yourself a stick of 512 pc3200..
i mean think about it mathwise...
if you go from 400 mhz ram
to 266 mhz ram
your going down in speed 33 percent...
sell em! =]

Jan 14, 2010 | ASUS A7N266-C (A7N266-C/ACR_6CH/WOL-UAY)...

3 Answers

Cant install new 1gb pc3200 memory into my chaintech apogee 9pjl motherboard. as soon as power is turned on, i either get a constant beep or a neverending intermitant one. please help.


Some memory brands are not compatible with some motherboards. Go to the motherboard web page and check it for the kind and brand of memory you can use.

Oct 03, 2009 | Computers & Internet

1 Answer

Acer 690-up 926 ram issues


Good morning! kindly check the memory RAM requirements of your Acer 690 motherboard based on the product/operations manual included when you purchased it, possibility that you exceeded the RAM requirements. best regards

May 09, 2009 | Acer Aspire T690 (AST690UP820A) PC...

1 Answer

Increase RAM for motherboard K7S41 to 1GB.    1) Do I use 2X516MB cards? If so what type?    2) Do I use 1X1GB card? If so what type?


If you want 1GB , Especially if your motherboard supports Dual Channel Memory capability, then you will want 2 512mb sticks.

However, I seen in some instances that purchasing a 1GB stick is cheaper then purchasing 2 512mb sticks depending on where you shop.

Try looking around on Newegg (personal favorite for shopping computer gear) or other places and see the various prices.

Another thing, to determine the ram you have in your system , I reccomend a few utilities to familiarize yourself with your computer.

One of them is called Belarc Advisor, and the other is SISoft Sandra which will identify your motherboard and tell you the memory type and timings so you can write down this information to take to the store you are shopping at so you do not get the wrong kind of memory by mistake.

Aug 20, 2008 | Computers & Internet

1 Answer

Radeon graphics card and 3rd RAM slot conflict


I thought this board looked familiar to me. I recall some rules for the memory cards. Do all your memory cards meet this requirement:

Supports up to 3GB PC1600/2100/2700/3200* DDR SDRAMs

If you are using DDR 400 you can only use 1 slot.

What kind of memory are you using?



Jul 05, 2008 | MSI KT4V (MS-6712) Motherboard

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