About SLI bridge limit

[Lam Chan Chi]

I think DX11 display card should reach the SLI bridge limit bandwidth. I
have 7 computers.

5 of them using XFX or J&W 750a SLI motherboard, cpu is using AMD 945 x4 or
955 x4, 6G ram, OS Win7 64 bits, 2x 260GTX. I set the bios with hybrid SLI
on, SLI on, onboard display card as main and with 512m share memory. I get
all over 20xxx in 3D mark 05, 16xxx in 3D mark 06 and 18xxx to 19xxx in 3D
mark vantage. For 3D vantage it should reach 90% x2 of single display card
which should get 10xxx to 11xxx on single. The onboard 8300 is integrated
firmly with 260GTX. It cannot disable. The 6G ram brings great performance
on Win7 64 bits. They are not hot for long use for I use onboard display
which can run benchmark, games or bluray movie without any trouble.

One computer is using J&W 750a, AMD 945 x4, 6G ram, OS Win64, 2x 465GTX, I
set the bios with hybrid SLI off, SLI on, onboard display card on with 512m
memory. I disable the 8300 in Win7. I get 21xxx in 3D mark 05, 16xxx in 3D
mark 06 and 218xx in 3D vantage. If I do not disable 8300 in Win7 but
enable the 8300 in bios. Many error and very slow performance in many
program. Though I disable 8300 in Win7, many highend program such as
Powerdvd 10 get great benefit. I only get 80% x 2 of single 465GTX. I think
this is due to the SLI bridge limit in bandwidth.

One computer is uing J&W 79GX, AMD 945 x4, 4G ddr3 1333, 470GTX, Asus U3S6
addon card. I get 20xxx in 3D mark 05, 16xxx in 3D mark 06 and 172xx in 3D
mark Vantage. I think SLI bridge is not good for 2 460GTX, so today I buy
one 470GTX. I think a lot of program needs to wait if I use 2x 460GTX with
J&W 750A motherboard.

These 7 computers is good for everything. I don't change the config. in any
program, bluray movie or games and they can use for few hours without any
error.

[Lam Chan Chi]

Many say that Nvidia 465GTX is a completely failure. I have bought 2x 465GTX
for long time. I cannot config. them to use as SLI correctly. But now I
think they are config. correctly. I think they get the best quality in 3D
games, blu-ray movie and 3D dvd in Powerdvd 10 within my 7 computers. 465GTX
picture quality is much better than 470GTX. 460GTX use cheap hardware and
their config. in hardware pattern in my opionion is not so good. 2x 260GTX
with onboard 8300 is difficult to fight for long use for it is the best for
graphical cpu as ordinary cpu in its config nature again 460GTX (only
graphical gpu). GPU without cpu nature is difficult for future highend
program.
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