Question about Toshiba Satellite X205-SLI1 Notebook

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Toshiba x205-sli1 how many video cards does it take?

Now i have taken it apart and found it has to different video cards, ls-3449p and ls-3443p. could this cause the video failure, or does has to be the same to work?

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  • michael bell Dec 07, 2012

    when i took it apart, i found a large amount of dust balls i side the fan and heat sinks. i will clean it and try the paste and see what hapends.

  • michael bell Sep 14, 2014

    there it is done i have revived them and have been using them for almost 2 years now, but i am still looking for other solutions.


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In my mind it isn't correct.

SLI = Scalable Link Interface,

SLI means to have two, or more, graphics chipsets teaming up on the graphics task.

Two or more graphics chipsets used in an SLI -> CONFIGURATION.

Scroll down, read under -> Caveats

"In an SLI configuration, cards can be of mixed manufacturers, card model names, BIOS revisions or clock speeds.

However, they MUST be of the same GPU series (e.g. 8600, 8800) and GPU model name (e.g. GT, GTS, GTX).

There are rare exceptions for "mixed SLI" configurations on some cards that only have a matching core codename (e.g. G70, G73, G80, etc.), but this is otherwise not possible, and only happens when two matched cards differ only very slightly, -> an example being a -> differing amount of video memory <-, stream processors, or clockspeed.

In THIS case, the -> slower/lesser card <- becomes dominant, and the other card matches."

Meaning if one graphics card has 256MB of graphics memory, and the other graphics card has 512MB of graphics memory; it will operate at the SLOWER graphics card, graphics memory, rate.

In otherwords at the rate of the 256MB graphics memory, graphics card.

The LS-3443P has 512MB of graphics memory,

The LS-3449P has 256MB of graphics memory,

Why would a laptop manufacturer go to the trouble of using two MXM style of graphics cards; in an SLI configuration; and use one with 256MB of graphics memory, and one with 512MB of graphics memory; only to have the graphics run at 256MB?

Doesn't seem logical.

Logic TO ME dictates using two ALIKE graphics cards, (MXM)

For me I concur with your thinking, and believe the 256MB unit is wrong.

GeForce 8600M GT uses the Code Name G84, GPU,

Could I be wrong? YES.
It may be that the two ARE configured to run together, and have a total of 768MB graphics memory.

Again, though, To Me it doesn't follow the Scalable Link Interface, basic technology.

It MAY be that -> BOTH graphics cards need to have the top of the GPU, (Graphics Processing Unit, or simply - graphics chipset), cleaned; and new fresh Thermal Paste PROPERLY applied.

If a Thermal Pad is used, it is carefully peeled off, plus top of GPU, and copper Cooling Tube plate cleaned; and a new piece of Thermal Pad is used, PLUS apply a sparingly amount of new, fresh Thermal Paste.

Also using Anti-Static Precautions, (For everything, of course. Standard procedure), I would use a pencil eraser, and clean the gold plated contact pins of the MXM graphics cards; on BOTH sides. Use compressed air for computers, in the MXM graphics card's slots; on the motherboard.

IF one MXM graphics card is bad, you should be able to remove it, and just use the good one.

Perhaps this was a problem in the past; and whoever had it could only afford the 256MB LS-3449P.

In searching I found one place that wanted $549.00 for the LS-3443P!

Just my thoughts, Michael.


Posted on Dec 07, 2012

  • michael bell Dec 08, 2012

    i tried cleaning and new thermal paste, and same thing. the big problem i have is that i don't have any parts to switch for anything

  • joecoolvette
    joecoolvette Dec 08, 2012

    What happens if you take the LS-3443P out? Still no? Then leave it in, take the LS-3449P out. Just want to see if either graphics card is good. BIOS should reconfigure back to using just one MXM graphics card, and not two in an SLI configuration. When cleaning, may I ask if you followed Anti-Static Precautions, and what did you use to clean with? Are there small cables that connect from motherboard to graphics card/s? Do you have a multimeter, and know how to check the wires in the cables for continuity? (OHM's - 1K)


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