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I can't find an official thread (if there is one, link to it and I'll delete this one, I did UTFSE), but I'm wondering if anyone out there is using this setup since the guide had been posted.

The install is simple: Install the latest drivers, run the patch and SLI option should appear in nVidia control panel.

Huge TPU thread on SLIPatch program: huge TPU thread!

DOWNLOAD HERE (1.5b Version, courtesy of anatolymik)

Modded drivers for use with beta version 1.5 (download drivers, copy files into driver setup directory, install driver, run patch): DOWNLOAD HERE

Current Common Chipset Support
AMD 7xx and 8xx
Intel P45, X48 and X58

Chipsets Confirmed NOT Working
P55 (May work with drivers 190.xx but not newer drivers)
P67

EXPERIMENTAL but recommended instead of SLI patch!: HyperSLI

Designed to work on ALL chipsets and motherboards with two PCI-e slots!

DOWNLOAD HERE

HyperSLI Instructions:

Quote:
1. Download and install nVidia drivers

2. Disable UAC on windows
3. Make sure virtual machines are enabled in BIOS
4. Apply HyperSLI patch
5. Restart and boot with HyperSLI enabled
6. Turn on SLI in nVidia control panel
HyperSLI support thread: http://www.techpowerup.com/forums/sh....php?p=2414995

NOTE: The patch does not work with Avast antivirus installed because the antivirus will not allow manipulation of Hal.dll. If you try to use the patch with Avast installed, blue screens will result.

Quote:
Originally, SLI-capability of motherboard checked by complex crypted routines in videocard driver, and thus bypassing this check was quite hard earlier. There only few old drivers present, which support SLI on non-NVIDIA chipsets, like 84.xx and 81.xx drivers made few years earlier. Now things changed, with officially SLI-capable Intel X58 chipset. In the case of Intel X58 motherboards, checking SLI support by driver was developed with a simplified scheme, which uses text strings and identifiers for all present and future X58-boards. Later P55 are also was added to support similar SLI certification procedure.

Modification tools described here can be used to force the NVIDIA graphics driver to detect supported chipset «Intel X58», regardless of what the real hardware chipset present in system. After receiving the identification of a "X58" chipset, videocard driver checks for the correct certificate from BIOS to check "compatibility" with SLI tech, which should be located in the system table DSDT, which is a part of ACPI. Initially, the data tables are loaded from the computer's BIOS, but later, if BIOS wasn't changed, used from the regular OS registry entry by Windows.

For today, after long time of tool development and research, we got latest version of patch available in beta-status for public testing. These modifications are for education purposes and are provided "AS IS", without any warranties. We (xDevs.com project and developers of SLI patch) cannot be held responsible for any errors, failures or data loss during this procedure, make sure you have backed up all critical data before trying this mod. So, before we give all instructions, please note that these operations interact with the PC's hardware at low level, so in case your PC fails, data loss or any other damage occur responsibility rests solely on you. . However, on all the systems we have tried, we have had no errors, all passed without any major mistakes.

Because of difference of OS kernels and HAL library in every os, every SLIpatch tool hardcoded and dedicated only for specific operating system type and version. Using wrong SLIpatch will cause OS unstable or even damaged. Be aware to use only proper tool version.

This method and tools has been successfully tested and implemented for following operating systems:

Microsoft Windows XP 32-bit
Microsoft Windows XP 64-bit
Microsoft Windows Vista 32-bit
Microsoft Windows Vista 64-bit
Microsoft Windows 7 32-bit
Microsoft Windows 7 64-bit
Microsoft Windows 2008 R2

Currently confirmed boards:

Quote:
Intel 5520 (Supermicro X8DAH+) + 2 x Quadro FX 4800 (GT200GL) on Windows 2008 R2 by derGhostrider
Intel 5520 (Supermicro X8DAi) + 2 x GeForce GTX 285 by coolmiester
Intel 5520 (Supermicro X8DAH+-F) + 2 x GeForce GTX 285 by coolmiester
Intel P55 (ASUS MAXIMUS III Formula) + 2 x GeForce 6600LE by xDevs.com
Intel P55 (ASUS MAXIMUS III Formula) + 3 x GeForce 8800Ultra by Xtremelabs.org
Intel X58 (ASUS P6T SE) + 2 x XFX GTX260 by reversedhex
Intel X58 (ASUS P6T) + 2 x GeForce 8800Ultra on Windows2008R2 by TiN
Intel X48 (Gigabyte X48-DQ6) + 2 x GeForce GTX 480 by GreQ, 257.15 driver Win7 x64
Intel X48 (Gigabyte X48-DS5) + 2 x GeForce 7900GS by Xtremelabs.org
Intel X48 (Gigabyte X48-DS5) + 2 x GeForce 8800Ultra by TiN
Intel X48 (Gigabyte X48T-DQ6) + 2 x GeForce GTX 260 216sp by DeDaL
Intel X48 (ASUS P5E64WS Evolution) + 2 x GeForce 7900GS by Xtremelabs.org
Intel X48 (ASUS Rampage Extreme) + 2 x GeForce GTX 295 QuadSLI by Turrican
Intel X48 (ASUS Rampage Extreme) + 2 x GeForce 6800Ultra by Turrican
Intel X48 (DFI LP LT X48) + 2 x GeForce 8500GT by AMD64
Intel X48 (DFI LP LT X48) + 2 x GeForce 7900GS by TiN
Intel X48 (ASUS Rampage Extreme) + 2 x GeForce 9800GTX by Ghostleader
Intel X48 (ASUS Rampage Formula) + 2 x GeForce 9800GTX by Ghostleader
Intel X48 (ASUS P5E Deluxe) + 2 x GeForce 9600GT by benjounou
Intel X48 (Gigabyte X48-DQ6) + 2 x GeForce GTX 260 by TheWolf
Intel X48 (DFI LT X48) + 2 x GeForce 8800GT by nnygl
Intel X48 (ASUS Rampage Extreme) + 2 x GeForce GTX 275 by boboe
Intel X48 (ASUS Rampage Extreme) + 2 x GeForce GTX 280 by gradus
Intel X48 (Gigabyte GA-X48-DQ6) + 2 x GeForce 8800GT by Kopi
Intel X38 (ABIT IX38QuadGT) + 2 x GeForce GTX 260 by TheWolf
Intel X38 (Gigabyte GA-EX38-DS4) + 2 x GeForce 8800GT by hansiii
Intel P45 (ASRock P45X3 Deluxe) + 2 x GeForce 8800GTS by hdcore
Intel P45 (ASUS P5Q-Deluxe) + 2 x GeForce GTX 260 216sp by Goonit
Intel P45 (Asrock P45R2000-WiFi) + 2 x GeForce GTX 260 by Artyom
Intel P45 (Gigabyte EP45-UD3P) + 2 x GeForce 9800GTX+ by coop
Intel P45 (Gigabyte EP45-UD3P) + 2 x GeForce 9800GTX+ by deskilljoy
Intel P45 (ASUS P5Q-PRO) + 2 x GeForce GTX 275 by tpp
Intel P45 (ASUS P5Q Pro) + 2 x GeForce 9800GT by awdrifter
Intel P45 (Gigabyte EP45-UD3P) + 2 x GeForce 8800GT (Win7 32bit)
Intel P45 (Gigabyte EP45-UD3P) + 2 x GeForce 9800GTX+ by cjer
Intel P45 (Gigabyte EP45-DS4) + 2 x GeForce GTX 260 by cxghjcqr
Intel P45 (ASUS MAXIMUS II Formula) + 2 x GeForce 9800GTX + by sveetsnelda
Intel P45 (ASUS P5Q Deluxe) + 2 x GeForce GTX 285 by Death or Glory
Intel P45 (DFI LanParty DK P45 T2RS Plus) + 2 x GeForce 8800GTS by BakMZi
Intel P45 (ASUS Maximus II Formula) + 2 x GeForce GTX 285 by ovan_febriawan
Intel P45 (ASUS P5Q-E) + 2 x GeForce GTX 260 (65nm + 55nm) by manut2500
Intel P35 (Abit IP35ProXE) + 2 x GeForce GTX 260 (192sp + 216sp) by TheWolf
Intel P35 (DFI LT UT P35) + GeForce 8800GTX + GeForce 8800Ultra by TiN
Intel P35 (ASUS P5K Premium) + 2 x GeForce 8800GT by oiluj
Intel i975X (ASUS P5W DH DLX) + 2 x GeForce 7950GT by MikeTyson
Intel i975X (ASUS P5W DH) + 2 x GeForce 6600LE by TiN
Intel P965 (Gigabyte P965-DQ6) + 2 x GeForce 6600LE by TiN
Intel P965 (ASUS P5B Deluxe) + 2 x GeForce 6600LE by xDevs.com
Intel P965 (Gigabyte GA-P965-DQ6) + 2 x GeForce 8800GTS G80 by masoninc61
Intel P965 (ASUS P5B Deluxe) + 2 x GeForce 8800 Ultra by TiN on 195.62 WHQL w7-32 driver
Intel P965 (Gigabyte GA-965P-DS3P) + 2 x GeForce 9600GT by adidd
Intel 915P (ECS 915P-A2) + 2 x GeForce 8800GT by p_o_s_pc

AMD 890FX (ASUS Crosshair IV) + 2 x GeForce 8800GTS by Reagan
AMD 790FX (DFI DK 790FXB-M2RS) + 2 x GeForce GTX 470 by largon
AMD 790FX (ASUS Crosshair III Formula) + 2 x GeForce 280 GTX by dbphelps
AMD 790FX (DFI LP DK 790FXB-M2RS) + 2 x GeForce 9800GT by aGeoM
AMD 790FX (ASUS M479T Deluxe) + 2 x GeForce 6600GT by OgaiB
AMD 790FX (ASUS Crosshair III Formula) + 2 x GeForce 8800GT by eRazorzEDGE
AMD 790FX (ASUS Crosshair III Formula) + 2 x GeForce 9800GT by aGeoM
AMD 790FX (Gigabyte GA-MA790X-UD4P) by akula
AMD 780GX (Gigabyte GA-MA780G-UD3H) + 2 x GeForce 9800GT by Mosfet321
AMD 790GX (ECS A790GXM-A) + 2 x GeForce 9800GT
AMD 790GX (Foxconn A7DA-S) + 2 x GeForce 8800GT by Velvet Wafer
AMD 790GX (ECS A790GXM-AD3) + 2 x GeForce 9800GT/2 x GeForce 250GTS
AMD 790FX (ASUS M4A79 Deluxe) + 2 x GeForce 8500GT by Soundood
AMD 790FX (DFI UT 790FX-M2R) + 2 x GeForce 7600GS by AlexLion
AMD 770 (Abit AX78) + 2 x GeForce 8500GT by Soundood

Answers to common problems reported here:

Q: Why SLI setup isn't faster than single card in Windows Vista?
A: Due the error in Vista second card is not used in DirectX applications. Install system update SP1 and Forceware driver >162.18 to fix this. Also, you can not SLI dissimilar cards (for instance, a GTX 460 and a GTX 470).

Q: Do I need SLI bridge? Can I use Crossfire bridges? Can I run SLI without bridge?
A:SLI bridge for MIO interface on card helps cards to transfer data between GPU's without need to use computer PCI-Express interface. Bandwidth of this MIO interface is close to PCI-Express x1. SLI Bridge isn't critical for SLI operation for two single-GPU cards but it helps to lower PCI-Express loading. In simple words FPS in games and tests will be better with SLI bridge. For complex SLI systems, like 3-way SLI or Quad SLI presence of SLI-bridges is essential.
Crossfire bridge cannot be used with NVIDIA cards, the have different pitch, contact amount and configuration. You will damage card trying to use ATI Bridges on NVIDIA cards.
SLI bridge is now required for drivers over version 2xx.xx and SLI will not work if you do not have one.

Q: I made all steps for my OS, but SLI don't appear, or my OS is crashed and don't boot anymore! Help me please!
A: Recheck everything, just a single mistake can render your OS unusable. Try pressing F8 and selecting "Load last good state" or "Disable automatic reboot when failure", it can help you to boot flawed system. If you are sure that everything was done correct, and still have problems - send mail to our support address support"signofmail"xdevs.com with your DSDT table (received by tool with key iasl -g, and detailed system configuration and problem description). We will try to respond as soon as we can, but remember, this is free project, maintained only when there is free time, so be patient to wait some time.
Additionally, if SLI option does not show up, try uninstalling the patch, setting the BIOS options to their defaults, then reinstalling the patch.

Q:Will this mod work on my ASUS XXX-XXX / Gigabyte YYY-YYY / Vendor Z model AAA-BBB-CCC motherboard to get SLI?
A: We don't give any 100% guarantee, but as far almost all motherboards which have two PCI-Express slots can do SLI. Only correct ID reports to videodriver and physical ability to drive all videocards from single hub/complex is necessary to make SLI technology enabled. There are some rare cases, when even mod from this article wouldn't help, by we have no such cases yet.
 

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Quote:

Originally Posted by metallicamaster3 View Post
Nice! Finally someone did it
!

Thread STUCK!
lol.. actually they already "did it" around august or september of 2009.. and it was originally made possible by a well im not sure if he's russian or what but he was from a russian forum.. i think it was from extreme*something*.org or somthin.. ehehehe..
ive already tried it on an AM2+ board (Gigabyte GA-MA790X-UD4P) and it actually works though the AM2+ system was not mine.. it was a friend's system.. which means its not actually hardware locked.. its software locked..

its much easier to do if your using Windows 7 OS instead of XP..
 

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My friend got sli to work on his asus p45 its easy with the lastest patch they have out. I installed it on my ud3p but havet got another video card to test the sli for.
 

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lol, info has been posted 3 times and it finally gets stickied
 

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+rep. now ill have to try this on my Asus P5Q Pro
 

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I already had this bookmarked; I'm pretty sure I found it through OCN... maybe not.

Quote:

Originally Posted by metallicamaster3 View Post
Nice! Finally someone did it
!

Thread STUCK!

Quote:

Originally Posted by mikhail00 View Post
lol.. actually they already "did it" around august or september of 2009.. and it was originally made possible by a well im not sure if he's russian or what but he was from a russian forum.. i think it was from extreme*something*.org or somthin.. ehehehe..
ive already tried it on an AM2+ board (Gigabyte GA-MA790X-UD4P) and it actually works though the AM2+ system was not mine.. it was a friend's system.. which means its not actually hardware locked.. its software locked..

its much easier to do if your using Windows 7 OS instead of XP..
By "did it" I think he meant that someone finally posted a thread about it on OCN. If I'm wrong, oh well.

I have yet to try this with another 9800GTX+ but I will post here if/when I do.
 

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Quote:

Originally Posted by ShortySmalls View Post
sli works with outa hitch on my evga p55 ftw (even though it nativly supports sli and cf, but i seen you have a few p55's ont he list.)
that was because not all p55 boards officially supported SLI back then even if they have x8/x8 capable boards.. some board revisions had to be flashed to a certain bios to support SLI officially.. like the old Maximus Formula III board revision..

Quote:

Originally Posted by mmparkskier View Post
I already had this bookmarked; I'm pretty sure I found it through OCN... maybe not.

By "did it" I think he meant that someone finally posted a thread about it on OCN. If I'm wrong, oh well.

I have yet to try this with another 9800GTX+ but I will post here if/when I do.
ehe.. actually there were some thread that were posted here in OCN about that.. its just that none of them made it to Stickied here.. this is the first one that got Stickied..
 

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Quote:

Originally Posted by mmparkskier View Post
I already had this bookmarked; I'm pretty sure I found it through OCN... maybe not.

By "did it" I think he meant that someone finally posted a thread about it on OCN. If I'm wrong, oh well.

I have yet to try this with another 9800GTX+ but I will post here if/when I do.
You're correct
.
 

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Wish I had a P45 board to play with this on.
 

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DO you have to use a modified version of Forceware? Can you just use the latest ones?

Thanks!
 

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Quote:

Originally Posted by test tube View Post
I believe you can use the latest one, just use the correct SLI Patch version 0.7a patcher listed.
I just grabbed BFG GTX260 216 at Microcenter + Corsair TX750. I need to get SLI bridge on ebay but I will work on the setup over the weekend.
 

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My benchmarks using fraps:
BOLD items are running in SLI

2010-02-20 10:36:45 - Tomb Raider Anniversary
Frames: 6181 - Time: 60000ms - Avg: 103.017 - Min: 67 - Max: 135

2010-02-20 10:42:18 - Tomb Raider Anniversary
Frames: 7830 - Time: 60000ms - Avg: 130.500 - Min: 83 - Max: 200


2010-02-20 10:47:06 - CoDWaW
Frames: 4950 - Time: 60000ms - Avg: 82.500 - Min: 48 - Max: 93


2010-02-20 10:50:40 - CoDWaW
Frames: 4967 - Time: 60000ms - Avg: 82.783 - Min: 50 - Max: 93

2010-02-20 10:57:17 - CoDWaW
Frames: 4771 - Time: 60000ms - Avg: 79.517 - Min: 45 - Max: 94


VERY BAD PERFORMANCE FOR ME!

2010-02-20 11:16:38 - Bioshock
Frames: 5998 - Time: 60000ms - Avg: 99.967 - Min: 65 - Max: 138


2010-02-20 11:21:21 - Bioshock
Frames: 6906 - Time: 60000ms - Avg: 115.100 - Min: 73 - Max: 165

HERE ARE MORE DISAPPOINTMENTS!!!

GPU's are listed on my sig
 
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