 Can 9800GTX+ SLI with 9800GTX? |
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 Aug 4 2008, 02:09 PM
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#1
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 Group: Members Posts: 17 Joined: 27-November 07 Member No.: 217,031 Club SLI Member: No  |
Hi,
I have a question in my mind near a week. I'm using 2 x 9800TX now.... Now a day.. a Galaxy 9800GTX+ only HK$1480. So I want to buy one more for Tri SLi. But .... Can 9800GTX+ SLi with 9800GTX ? -------------------- C2Q Q6600 (3.18G Mhz)
4 x 2G OCZ 800Mhz DDR2 Ram CL4 ASUS P5N-T Deluxe 2 x Galaxy 9800GTX 512MB + 1 x 9800GTX+ (running at Tri SLi) Lite-On Blue-ray Rom 2themax GPX 750 power supply. |
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Aug 4 2008, 02:47 PM
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#2
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 Group: Members Posts: 1,571 Joined: 14-July 08 From: Lebanon, NH USA Member No.: 111,876 Club SLI Member: Yes Org.: Custom Home Theater and PC Magic |
QUOTE (casper326 @ Aug 4 2008, 10:09 AM)  Hi, I have a question in my mind near a week. I'm using 2 x 9800TX now.... Now a day.. a Galaxy 9800GTX+ only HK$1480. So I want to buy one more for Tri SLi. But .... Can 9800GTX+ SLi with 9800GTX ? Yes, apparently this can be done...this is the one exception to the rule... ~TJ -------------------- EVGA 790i FTW Digital PWM Edition
Intel QX9770 @ 4.0Ghz 8 GB OCZ Platinum 2000Mhz Asus Xonar HDAV1.3 Deluxe 3x EVGA GTX285 SSCs in TriSLI Clocks = 725C - 1584S - 2646M 2x 150GB WD RaptorX in Raid 0 2x 500GB WD Black in Raid 0 2x Samsung DVD Burners PC P&C T12W 1200w PSU MPlay202+ System Control/Display Custom Cooler Master Stacker 830 Vidikron Vision 150 DLP Projector 120"- 1080P Samsung LN52B750 52" LCD HDTV 2x LG L227WG 22" LCDs |
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Aug 4 2008, 06:09 PM
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#3
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Group: Members Posts: 805 Joined: 9-July 07 From: Nottingham, United Kingdom, Member No.: 207,684 Club SLI Member: Yes |
yes this can be done on the other hand if ur not overclocking save ur money and get the standard 9800gtx (unless the + is cheaper)
i have an idea if ur overclocking... if ur a newbie then completely disregard this put the 9800 gtx+ in the primary slot and have all the cards at the 9800 gtx+'s speeds. naturally the 3rd and second card in an sli setup have less load than the 1st card in the primary slot thus run cooler etc, even in gpu held back scenarios, and idea of mine is because the other cards are cooler they can overclock higher than normal kinda like a highly overclocked processor, once under 100% load they hang, but seeing as these cards will probably never really see 100% load being the 2nd and 3rd cards. wow....that seems complicated ^ ignore if it u dont understand just an idea of mine i thought i'd share 
-------------------- My System; I7 Wannabe.
EVGA GTX 260 Core 216 @ 626/1350/2106 Core 2 Quad Q6600 TRUE 120 @ 3525mhz Striker II NSE 790i 805 FSB @ 1566mhz Corsair TX 750W @ 60AMP 6GB OCZ Platinum DDR3 @ 1600mhz 7-6-6-20-1T Windows Vista Home Premium @ 64 Bit 2 x WD caviar 500GB 16mb cache @ in RAID 0 74GB Velociraptor @ 10,000RPM 3Dmark06 PROOF @ 19004 Shes sold now =( "bluescreens are the same as a baby crying it just does it to let you know it has a problem but not really whats wrong." Me - 14 Aug 09 |
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Aug 5 2008, 01:46 AM
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#4
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Group: Members Posts: 17 Joined: 27-November 07 Member No.: 217,031 Club SLI Member: No |
Thanks.
Let me buy a GTX+ for testing I also will plus the GTX+ into the Primary Slot. BTW... every 9800 GTX also can overclock to the GTX+ level.... 
-------------------- C2Q Q6600 (3.18G Mhz)
4 x 2G OCZ 800Mhz DDR2 Ram CL4 ASUS P5N-T Deluxe 2 x Galaxy 9800GTX 512MB + 1 x 9800GTX+ (running at Tri SLi) Lite-On Blue-ray Rom 2themax GPX 750 power supply. |
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Aug 8 2008, 05:26 AM
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#5
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Group: Members Posts: 17 Joined: 27-November 07 Member No.: 217,031 Club SLI Member: No |
I have bought the 9800GTX+...
It work fine with my two 9800gtx. But the 9800GTX+ must need to plug into first PCI-E 2.0 slot. If not, it will become a ....... 8800GT....  -------------------- C2Q Q6600 (3.18G Mhz)
4 x 2G OCZ 800Mhz DDR2 Ram CL4 ASUS P5N-T Deluxe 2 x Galaxy 9800GTX 512MB + 1 x 9800GTX+ (running at Tri SLi) Lite-On Blue-ray Rom 2themax GPX 750 power supply. |
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Aug 8 2008, 09:54 PM
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#6
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Group: Members Posts: 699 Joined: 24-June 08 Member No.: 109,202 Club SLI Member: Yes |
FYI, both cards will default to the slower card's clocks to it would be pointless to buy a 9800GTX+ if you have a standard GTX.
-------------------- Ultra M998 mid-ATX case
SilenX 650W 14dB SLI Power Supply Unit Nvidia/EVGA 780i tri-SLi motherboard Intel Q6600 quad core @ 3.4GHz (3.6 for benchmarking) 2GB OCZ ReaperX HPC Edition PC9200 DDR2 RAM (2x1GB) 2x EVGA 9600GT SC in SLI (750/1100Mhz over-clock) 2x WD Raptor HDD (1x 36GB; 1x 74GB) Samsung Spinpoint HDD (250GB) Thermalright TRUE-120 w/ dual 120mm fans in push-pull config. Windows Vista Home Professional w/ SP1 (32-bit) Samsung SyncMaster 206BW 20" LCD display (1680x1050) 3DMark06: 17,420 Points |
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Aug 9 2008, 05:11 PM
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#7
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Group: Members Posts: 17 Joined: 27-November 07 Member No.: 217,031 Club SLI Member: No |
It's OK for me..
It's because 9800GTX is selling at HK$2200.... GTX+... bought it at HK$ 1470 -------------------- C2Q Q6600 (3.18G Mhz)
4 x 2G OCZ 800Mhz DDR2 Ram CL4 ASUS P5N-T Deluxe 2 x Galaxy 9800GTX 512MB + 1 x 9800GTX+ (running at Tri SLi) Lite-On Blue-ray Rom 2themax GPX 750 power supply. |
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Aug 9 2008, 06:10 PM
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#8
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Group: Members Posts: 1,571 Joined: 14-July 08 From: Lebanon, NH USA Member No.: 111,876 Club SLI Member: Yes Org.: Custom Home Theater and PC Magic |
Yeah, but you can always flash the 2 regular 9800GTX's to the 9800GTX+ clocks and call it a day. I don't know if you have used Nvflash + Nhibitor, but it is fairly easy and can be done in less than 10 minutes. This way all of your clocks will be the same.
Congrats on getting them to SLI though, that is great. I can't wait for the 55nm refresh of the GTX280's, I have my 790i/QX9770 rig ready to go for those babies...I want my TRI-SLI now!!!!! But I won't settle for anything less than the 55nm versions.. ~TJ -------------------- EVGA 790i FTW Digital PWM Edition
Intel QX9770 @ 4.0Ghz 8 GB OCZ Platinum 2000Mhz Asus Xonar HDAV1.3 Deluxe 3x EVGA GTX285 SSCs in TriSLI Clocks = 725C - 1584S - 2646M 2x 150GB WD RaptorX in Raid 0 2x 500GB WD Black in Raid 0 2x Samsung DVD Burners PC P&C T12W 1200w PSU MPlay202+ System Control/Display Custom Cooler Master Stacker 830 Vidikron Vision 150 DLP Projector 120"- 1080P Samsung LN52B750 52" LCD HDTV 2x LG L227WG 22" LCDs |
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Aug 9 2008, 09:51 PM
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#9
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Group: Members Posts: 699 Joined: 24-June 08 Member No.: 109,202 Club SLI Member: Yes |
QUOTE (casper326 @ Aug 9 2008, 10:11 AM) It's OK for me.. It's because 9800GTX is selling at HK$2200.... GTX+... bought it at HK$ 1470 Holy crap! I have to stop complaining about the weak USD now... LOL! -------------------- Ultra M998 mid-ATX case
SilenX 650W 14dB SLI Power Supply Unit Nvidia/EVGA 780i tri-SLi motherboard Intel Q6600 quad core @ 3.4GHz (3.6 for benchmarking) 2GB OCZ ReaperX HPC Edition PC9200 DDR2 RAM (2x1GB) 2x EVGA 9600GT SC in SLI (750/1100Mhz over-clock) 2x WD Raptor HDD (1x 36GB; 1x 74GB) Samsung Spinpoint HDD (250GB) Thermalright TRUE-120 w/ dual 120mm fans in push-pull config. Windows Vista Home Professional w/ SP1 (32-bit) Samsung SyncMaster 206BW 20" LCD display (1680x1050) 3DMark06: 17,420 Points |
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Aug 17 2008, 03:31 PM
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#10
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Group: Members Posts: 17 Joined: 27-November 07 Member No.: 217,031 Club SLI Member: No |
I found a serious problem at this combination.
IT can't enable 3-way SLI at Windows XP 64Bit. I unplug the 9800GTX+. I found the the SLI option appear inside the Nvidia Panel. But After I enable the SLI. I get a black screen problem. I reboot many time and also can't boot into Windows. At the end, I need to boot into safe mode and remove all the display driver.... I'm using 177.83, 177.79 and 177389 to try. -------------------- C2Q Q6600 (3.18G Mhz)
4 x 2G OCZ 800Mhz DDR2 Ram CL4 ASUS P5N-T Deluxe 2 x Galaxy 9800GTX 512MB + 1 x 9800GTX+ (running at Tri SLi) Lite-On Blue-ray Rom 2themax GPX 750 power supply. |
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