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GA-G31M-S2L & GA-EG45M-DS2H

Posted on 2009-12-18
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do they use same type of memory?
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Question by:Hiroyuki Tamura
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by:jdpipes
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Yeah they both use  DDR2 1066(O.C.)/800/667 MHz memory modules

The GA-EG45M-DS2H - can support upto 16gb

The GA-G31M-S2L - can support upto 4gb

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by:Arabia_vn
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For your answer the answer is certainly yes. But if you are going to buy a new MB, don't choose the GA-EG45M-DS2H. This one has pciex x16 running only at speed x4. That means in the future if you buy a good graphic card that graphic card maybe incompatible with the MB and even if it runs, it's power will be reduced.  The GA-EG45M-DS2H is ok for HTPC , not gaming.
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by:PCBONEZ
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It won't be incompatible.
All PCI-e is front/back compatible, it's part of the Specification.
It would be limited to 4x bandwidth but it would run fine.
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A 16x card will run fine in a 1x slot [if you can get it in] but it will run at 1x speed.
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A 1x card will run fine in a 16x slot but it will run at 1x speed.
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PCI-e 4x is roughly comparable to AGP 8x. - Most games will work fine.
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by:Arabia_vn
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Who knows it will be compatible or not ? Better check MB's supported video card list (http://www.gigabyte.com.tw/Products/Motherboard/Products_Overview.aspx?ProductID=2877)
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by:PCBONEZ
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It will be compatible because the PCI-e SPECIFICATION says so.
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Do you know what an industry standard SPECIFICATION is?
- If a part does not meet the PCI-e SPECIFICATION it would be ILLEGAL to call it PCI-e compliant.

http://www.pcisig.com/specifications/pciexpress/base
http://www.pcisig.com/specifications/pciexpress/base2/
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by:Arabia_vn
ID: 26093656
Talking about compatibility, i mean stability for long run, not just system booting. I'm using Gigabyte mainboard, and tried to plug a CPU not on their support list. To my surprised, the system booted. But it was not stable. If everything is fine, then there's no need for Gigabyte to make something called "Graphics Card Support List". Which one do you trust, the manufacture or your PCI-e SPECIFICATION ?
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by:PCBONEZ
ID: 26094532
Arabia_vn,
I'm sure you mean well but you are so lost it's incredible.
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ALL of the cards on that list MUST comply with the PCI-e specification first to get on that list.
If they do not, they are not and cannot be called PCI-e cards.
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And your comment has nothing to do with front/back compatibility of PCI-e cards and slots.
- Which was the incorrect statement you made that I will not leave uncorrected as it may lead someone reading this later on in the wrong direction.

Also note, the GA-G31M-S2L does not have a "Graphics Card Support List".
That is because the board works with ANY PCI-e card, unlike the GA-EG45M-DS2H which has compatibility issues with some cards making a "Graphics Card Support List" necessary.
- And before you wander off that way, such compatibility issues have nothing to do with the slot interface. It's a matter drivers and the chipset on the motherboard.
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by:Arabia_vn
ID: 26096210
Ok, agree that compatibility issues have nothing to do with the slot interface. I just wanted to warn ppl about some MBs which have a low quality "lame x4" Pciex x16 for video card. Many ppl dont pay attention to that and they may have problems when ugrading, just like many ppl did with some 945 MB before.
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