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Asus goes mental: P5K3 Premium with onboard 2GB DDR3 - Page 3

post #21 of 88
Quote:
Originally Posted by bigvaL View Post
That is very wrong. The connection most certainly DOES allow for a different overclock. There's a reason why DDR2 has more pins. The extra pins allow for a more stable connection to the motherboard. If the RAM is soldered directly to the board, I wouldn't be surprised if the performance was better. Every little connection in an electrical component degrades the signal. The power on modular power supplies has been under fire because the modular connection adds the same resistance of about 2.5 feet of wire. Same thing applies here.

I don't know if I'd buy it.. but only because the upgrade path is pretty much closed.
QFT. Couldn't really have said it better myself.

I'm surprised this sort of thing doesn't happen more often. Really, if they had slapped 2GB's of some nice DDR2 I would have been much happier paying the same price than for this DDR3.
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post #22 of 88
Quote:
Originally Posted by liermam View Post
QFT. Couldn't really have said it better myself.

I'm surprised this sort of thing doesn't happen more often. Really, if they had slapped 2GB's of some nice DDR2 I would have been much happier paying the same price than for this DDR3.
Go read my response with logic and electrical engineering support.
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post #23 of 88
AND it's got 3 PCI slots!
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post #24 of 88
Quote:
Originally Posted by DuckieHo View Post
The reason DDR2 has more pins is for extra stablity? Wrong. Here's why...
1) DDR3 still has the same number of pins. Why didn't they increase pins since it is for stability?
2) Why didn't they design it with 300 pins or 400 pins? PCB manufactoring can easily do it.

The reason that DDR2 has more pins is becase the data bus required it. It has nothing to do with stability.

Every little connection increases resistence. Go research the resistence of 2.5ft of wire a bit further. It barely affects anything especially at low currents and voltages. Also, memory is digital. As long as the signal is above a certain threshold, it is either 0 or 1. The cause of memory overclocking failure is electromigration within the modules. This has nothing to do with the motherboard/memory PCB interface connection.
I agree. Besides...all data lines operating at the speeds we are talking here use differential amplifiers to pass signals around the interconnects. It's pretty difficult to make a signal fail due to noise or weak connections. Why do you think there is no RF plating on all the critical data bus lines? They don't need it.
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post #25 of 88
Quote:
Originally Posted by sladesurfer View Post

I hate seeing the IDE hookup at the verrryyy bottom of the board cause then you can't hook two devices up because the cables are too short.

Have the same issue with my new GIGABYTE-965P-DS3
post #26 of 88
Quote:
Originally Posted by FrankenPC View Post
I agree. Besides...all data lines operating at the speeds we are talking here use differential amplifiers to pass signals around the interconnects. It's pretty difficult to make a signal fail due to noise or weak connections. Why do you think there is no RF plating on all the critical data bus lines? They don't need it.
Exactly. Another EE here agreeing with Duckie.
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post #27 of 88
Why does anyone care about having more than two PCI cards again?

Wireless + sound card = 2.... why 3? I don't get it. Someone explain.
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post #28 of 88
That hole thing with the RAM on the board is cool and all but i like the freedom of upgrading when i whant.Also 1 or 2 years ago one gig of ram was standerd for gaming and now it is two gigs of ram.it would suck for the people that get this thing when in a year or so they need 3 or 4 gigs to play all the high end DX10 games i mean look at the video cards we whent for 512MB of ram to 1GB,And even the 8800 are slowing down in the newer games.
    
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post #29 of 88
Quote:
Originally Posted by DuckieHo View Post
The reason DDR2 has more pins is for extra stablity? Wrong. Here's why...
1) DDR3 still has the same number of pins. Why didn't they increase pins since it is for stability?
2) Why didn't they design it with 300 pins or 400 pins? PCB manufactoring can easily do it.

The reason that DDR2 has more pins is becase the data bus required it. It has nothing to do with stability.

Every little connection increases resistence. Go research the resistence of 2.5ft of wire a bit further. It barely affects anything especially at low currents and voltages. Also, memory is digital. As long as the signal is above a certain threshold, it is either 0 or 1. The cause of memory overclocking failure is electromigration within the modules. This has nothing to do with the motherboard/memory PCB interface connection.
Voltage and current are not digital and they may, in fact, fail in term of stability if the ripples and voltage drops exceed a threshold because of bad connections.

Note this, if there are contacts, it bears risk of ill-contact like dirt or stuff like that happen on the surface.

However, if there is no contact, everything is throughout, there is no risk of having ill-contact -> Maximum stability.
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post #30 of 88
Quote:
Originally Posted by Ihatethedukes View Post
Why does anyone care about having more than two PCI cards again?

Wireless + sound card = 2.... why 3? I don't get it. Someone explain.
PhysX cards, modems for those unfortuneate individuals that require them.
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