arnold873

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i heard 2 gb modules are in the works
is that true and would they work with current systems

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Prof133

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2GB unbuffered (i.e. regular) memory modules should be arriving soon, coinciding with decrease in price of high-density IC's. And would be compatible with current systems.
 

BrentUnitedMem

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As Wusy said, most 2GB DDR modules are for server stations.

2GB modules are built using high density chips, 128M or 256M chips.

For the 128MB configuration, they are composed of 128Mx8 chips, which are actually built using (128Mx4) stack. Stacked chips are not very favorable, since you introduce extra noise by the added physical connections. Usually some servers need like 8GB or more of memory, then a 2GB stacked solution is in your best interest.

But, for normal use and gaming you dont need (or want) 2GB modules.

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Flinx

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Windows has limitations on 2GB / 4GB.. Look it up.

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arnold873

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when you say noise you mean resistance and errors?
and i still don`t understand why more memory is not benefical for games

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BrentUnitedMem

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Noise is an electrical disturbance or interference (static) that destroys the integrity of the signals on a wire. Noise can come from a variety of sources, including radio waves, nearby electrical wires, lightning, cell phones, and bad connections.

2GB modules have twice the number of physical pin connections as 1GB modules do. For chips that are stacked, additional noise is introduced because of the extra physical pin connections.

For games, 1GB is optimal because most games do not require more than 1GB of memory. Since your computer has to map the entire 2GB memory space, any unused memory is equivalent to a loss in memory performance.

Unless you are constantly using more than 1GB of memory, you don't need more.

You will benefit from 2GB if:
1. You are rendering graphics, video or audio.
2. Playing a graphically intense new gaming title on the highest possible setting. Or a game where you deploy several thousand units on a single scenario.
3. The processing of high bandwidth data (server applications)



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arnold873

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i just read something at toms about them stacking the
actual circuits, i believe this is different than what your talking about, because it is a new process.

Playing a graphically intense new gaming title on the highest possible setting. Or a game where you deploy several thousand units on a single scenario.
that actually might be good for me
i love aoe and the computer often stops when there are like 1000 units on the screen

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G

Guest

Guest
It could help, but it also depends on the gpu. It may be more effective (not to mention cheaper) to upgrade the gpu instead.

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BrentUnitedMem

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There are a few ways to build 2GB modules. The module configuration for 2GB is 256Mx64 (256M is the DEPTH, x64 is the WIDTH).

Normally, 2GB modules are built using 128Mx4 chips in two ways as follows:

A) COMBINING THE CHIP WIDTH:
Two stacked chips of 128Mx4 becomes a single 128Mx8 chip.
You have two memory banks each composed of 8 chips of 128Mx8 stack.

The data bus per bank is composed of 8 chips of 8 bits in width = 64 bits, with 128M addressable locations.

(128Mx64) per bank

Combining of the two banks on the PCB gives: (128Mx64)x2 = (256Mx64)


B) COMBINING THE CHIP DEPTH:
Two stacked chips of 128Mx4 becomes a single 256Mx4 chip.
You have two memory banks each composed of 8 chips of 256Mx4 stack.

The data bus per bank is composed of 8 chips of 4 bits in width = 32 bits, with 256M addressable locations.

(256Mx32) per bank

Combining of the two banks on the PCB gives: (256Mx32)x2 = (256Mx64)

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BrentUnitedMem

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For any game, 4GB is too much.

For normal desktop use 2GB is too much.

Only some hardcore designers and server stations would benefit from 4GB or more.

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arnold873

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the same, even with future software?
and hardware such as hyper caching video cards?


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BrentUnitedMem

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If you are talking about shared memory video cards (SMVC), I don't see such a bright future for them just yet. Even so, the turbo cache cards occupy a max amount of system memory; certainly 4GB is overkill.

The memory cards with dedicated memory can transfer data at much much higher rates- 6800 Ultra at 36.5GB/s. An SMV card can transfer at max 4GB/s over a PCIx bus.

Also, keep in mind that you gain from 4GB of memory only if you use close to 4GB of memory on average.

Software in the future? It's only a matter of time before 4GB is optimal under a PC operating system, right? Not anytime soon I don't think.

Is that a trick question? :tongue:

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arnold873

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well thats good to know i thought smvc might be an advancement but noe i see i was wrong,
thanks

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BrentUnitedMem

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There is one advantage. The turboCache cards are cheap!

From TOMS:
If market leadership is determined by the number of graphics processors a company sells, then this honor falls to Intel. It owes this leadership position to the integrated video features found in many of its motherboard chipsets.

<A HREF="http://graphics.tomshardware.com/graphic/20050208/index.html" target="_new">more about SMV cards</A>

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arnold873

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according to toms you can get the full-fledged versions for cheaper and they are faster.
read conclusion

i was hoping this would take some of the market away from intel but it doesn`t look like it will

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BrentUnitedMem

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Not sure where you read that the SMV cards are faster. They simply lack performance. The conlusion rescommends that gamers go for dedicated memory video cards.

From TOMS conclusion:
The results turned in by unit-sales market leader Intel, or more specifically the GMA900 processor found in the i915 P/G chipset, are abysmal across the board. Its graphics performance is simply way too low to tackle modern DirectX 9 applications/games. However, if gaming isn't your cup of tea or not an issue on the system you're building, the GMA900 can still be a very decent graphics solution for simple tasks.

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arnold873

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no i didn`t say that
i said that smv cards are actually both slower and MORE expensive.
you had said that one of the benefits of smv cards is price

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BrentUnitedMem

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I thought that the Intel GMA900 was a cheap SMV card solution, and that was why it is so popular.

And also, the TurboCache cards start at $79.00 for 16MB dedicated, plus 112MB shared memory, at 350MHz core clock speed, directX 9 compatible. That's pretty cheap right?

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arnold873

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yes it sure is cheap
but toms article quoted a different price
i think like 130

i guess these cards would be ok for the casual user
i just remember the top of the line cards costing only twice this like 5-6 years ago.

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BrentUnitedMem

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From TOMS:
<A HREF="http://graphics.tomshardware.com/graphic/20050208/geforce_6200-01.html" target="_new">TurboCache cards</A>
16MB $79
32MB $99
64MB $128

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arnold873

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"For the end user, the "TurboCache" concept only pays off if the card becomes noticeably cheaper as a result of the limited on-board memory when compared to other cards with a full memory complement. However, this is not the case at all since $79 and $99 are simply way too much for cards with just 16MB (32 Bit) and 32MB (64 Bit) of local memory.

A "real" GeForce 6200 with 128MB of video memory can be found in stores for as little as $88 (64 Bit) or $99 (128 Bit). Even if we are charitable and consider the street price, we still see no good reason to shell out $129 (Nvidia's recommended sales price) for a 64MB GeForce 6200 TurboCache card, when for $30 less you can get a fully-fledged GeForce 6200 with 128MB and a 128 Bit memory bus that is much faster to boot."


taken directly from toms

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BrentUnitedMem

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So then, the conclusion must be:

The TurboCache cards are pretty much useless. haha!

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