Question about EliteGroup ECS A780GM-A Motherboard - AMD 780G, Socket AM2+, ATX, Audio, Video, HDMI, PCI Express 2.0, Gigabit

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Dimm Slots Not Numbered ?

The manual does not note which Dimm slots are #1, 2, 3, or 4. It does recommend an installation pattern.

There are 2 orange, closest to the cpu, then 2 yellow.

Can someone advise the numbering scheme ?

Thanks

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  • Anonymous Feb 28, 2009

    I had the same doubt...
    By the way, I read the manual says something like the recommended order would be 3,4,1,2

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The two closest to the cpu are DIMMs 1 and 2, The next pair are DIMMs 3 and 4 it is best to install in pairs, using slots 1 and 2 first.

Detailed info about this board including setup and comparisons to other boards can be found HERE

Posted on Jan 31, 2009

  • orkine_free Jun 04, 2011

    Note that the product manual recommends filling slots 3 and 4 first for best performance.

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Posted on Jan 02, 2017

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2 Answers

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

1 Answer

HI I have a Gigabyte motherboard 945GCMX-S2, I have a 1GB ddr2 (667 Hz) hynix ram already installed ..to upgrade it i installed another 1GB dynet ram (666 Hz)..but my cpu beeps now...i remember runni


You should be able to as it can take 4 gig total according to the manual.

Memory:
2 DDRII DIMM memory slots (supports up to 4 GB memory) (Note 2)
Supports dual channel DDRII 667/533 unbuffered DIMMs (Note 3)
Supports 1.8V DDRII DIMMs
Note 2. Only for GA-945GCMX-S2.
Note 3. Only for GA-945GCM-S2.

Feb 06, 2012 | Gigabyte Computers & Internet

2 Answers

214-Dimm Config Warning


Just had same problem. Found a solution:
I have an old HP Compaq dc5000MT. It has 4 RAM slots
Here's what DIDN'T work:
1gb + 1gb + 512mb + 512mb
1gb + 512mb + 512mb + 1gb
512mb + 1gb + 1gb + 512mb
Here's what DID work:
1gb + 512mb + 1gb + 512mb
I'm sure that:
512mb + 1gb + 512mb + 1gb would probably work as well.
From my guess they're are 2 "channels" (slots 1&2 are channel 1, slots 3&4 are channel 2) and you have to keep the amount of RAM balanced on both slots and in the same order.
Another thing to note with the old XP OS. IT ONLY WORKS WITH 3GB or RAM. MAX. So 1 + 1 + 1 + 1 (4gb) WILL NOT WORK... PERIOD for XP. Vista, 7, 8 etc. allows you to use a ton more ram + readyboost. They need all the help they can get though since they are major resource hogs.

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1 Answer

HP Pavilion Media Center PC not detecting memory in slots 3 & 4.All memory works in slots 1 &2.Memory is all the same.


Info from the manual:

Memory configurations

You can install 128 MB, 256 MB, 512 MB, and 1GB DDR SDRAM DIMMs into the DIMM sockets using the memory configurations in this section.

• Install only identical (the same type and size) DDR DIMM pairs

using the recommended configurations.

• Make sure that the memory frequency matches the CPU FSB

(Front Side Bus). Refer to the Memory frequency/CPU FSB

synchronization table on the next page.

• This motherboard does not support double-sided 16-bit DDR DIMMs.

• Do not create a three-DIMM configuration in dual-channel mode. The
third DIMM is ignored in the dual-channel operation.

Recommended memory configurations

Memory frequency/CPU FSB synchronization

* Use only identical DDR DIMM pairs.

Sockets

Mode DIMM1 DIMM2 DIMM3 DIMM4

Single-channel (1) Installed - - -

(2) - Installed - -

(3) - - Installed -

(4) - - - Installed

Dual-channel* (1) Installed - Installed -

(2) - Installed - Installed

(3) Installed Installed Installed Installed


CPU FSB DDR DIMM Type Memory Frequency

800 MHz PC3200 400 MHz
533 MHz PC3200/PC2700 400/333 MHz

Feb 18, 2011 | ASUS PTGD-LA Motherboard

1 Answer

Want to add ddr3 memory to my p5qc board


Hello
The motherboard supports DDR3 1333/1066/800 MHz or DDR2 memory 1066/800/667 MHz to meet the higher bandwidth requirements of the latest operation system, 3D graphics, multimedia, and Internet applications. The dual-channel DDR3/DDR2 architecture doubles the bandwidth of your system memory to boost system performance, eliminating bottlenecks with peak bandwidths of up to 19.2 GB/s.
DDR2 1066MHz DIMMs work only on the black slots for one DIMM per channel
2 x DIMM, Max. 8 GB, DDR3 1333/1066/800 Non-ECC,Un-buffered Memory 4 x DIMM, max. 16GB, DDR2 1066 / 800 / 667 MHz, Non-ECC, Un-buffered memory Dual channel memory architecture When installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended DDR2 1066MHz DIMMs work only on the black slots for one DIMM per channel. Ensure to install the DDR2 1066MHz DIMMs ONLY on the BLACK slots! Refer to www.asus.com or this user manual for the Memory QVL(Qualified Vendors Lists). When installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.
Hope this helps

Jan 19, 2011 | ASUS P5QC Motherboard - Intel P45, Socket...

1 Answer

IBM instructions for installing memory modules is that they must be done sequentially starting at DIMM 1. When removing them to upgrade should I then remove DIMM 2 first, and then remove DIMM 1, and...


It shouldn't matter what order you remove and replace the RAM cards in. The instructions are saying to populate Slot 1, Slot 2, and then other slots in order; don't skip any slots, in other words.

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1 Answer

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that port is bad. If all three is known working the only explanation is that its a bad ram slot

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1 Answer

Increasing memory in e-machine t2240


Hi slcdane 13. One thing with DIMM slots is that, first of all they are color coded there. Im assuming that you have 4 DIMM slots and two of them are one color, and the other two are another color. What that means is that is if One DIMM slot has a RAM module of a certain capacity, then the other DIMM slot of the same color has to contain a RAM module of the same capacity as the first module. Now i am assuming that you have more than two RAM modules and More than 2 DIMM slots. HERE IS AN EASIER EXAMPLE
Lets say you have DIMM slots 1, 2, 3, and 4. Slots 1 and 3 are yellow, and slots 2 and 4 are red. Now lets say you also have 4 Ram modules. 2 of them are each 2 Gigabytes ready, and the other 2 are each 1 Gigabyte ready. Now lets say you take one of the 2 Gigabyte RAM modules and you place it into DIMM slot 1 which is yellow, what this means is that you have to place the other 2 Gigabyte RAM module into the DIMM slot 3 which is also yellow. The remaining 1 Gigabyte modules will have to go into DIMM slots 2 and 4 which are red.

Now do you get it? Same capacity modules have to go into same color slots. Now try it and see.

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1 Answer

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Go HERE for troubleshooting guide. Scroll down to: Stability Problems - Memory Issues.

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