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10-30-2010, 07:07 PM
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#1
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Lifer
Join Date: Aug 2002
Posts: 21,057
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HD6850/HD6870 Overclocking thread
Figured I would make a thread for people who have overclocked their HD6800 cards.
Plus as and when we get better tools (e.g. voltage control) it might be useful.
Model: Sapphire HD6850 (regular)
Stock speeds: 775/1000
Overclock: 850/1055
Tool(s): CCC
Voltage: Stock (Unknown)
Fan: Auto
Not pushed it beyond any of those settings. Seems stable enough in games.
MSI Afterburner
http://event.msi.com/vga/afterburner/download.htm
Sapphire Trixx (Coming soon)
http://www.sapphiretech.com/ssc/TriXX/
GPU-Z
http://www.techpowerup.com/gpuz/
__________________
CPU: Q3570K @ 4.1GHz 1.23v // Mobo: Asus P8Z77-V // GFX: Radeon HD7950 @ 980/5300 // RAM: Corsair DDR3 @ 1600MHz 9-9-9-24 // SSD: Samsung 830 128GB
Video cards: TNT2, Ti4400, 9800, 7800GT(+7200GS), HD4850(+HD2400), HD6850, HD7950 (Laptops: GF6150, HD3200, GMA500)
Last edited by Lonyo; 10-31-2010 at 07:06 AM.
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10-30-2010, 07:11 PM
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#2
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Senior Member
Join Date: Jun 2004
Posts: 405
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I'm having issues with the 10.10c driver and seeing higher o/c settings in CCC. What's up with that?
__________________
A+, Network+, MCP, MCTS
Latest rig Blackout:
AMD Phenom II X6 @3.5 GHz
Corsair H50 w/Scythe Slimstream 2000 RPM
8 GB Corsair XMS @ 1600
ASUS M4A88T-M/USB3
Sapphire Radeon HD 6850 @950/1150
CM C690 II Enhanced
CM Silent Pro M600
Corsair Force 3 120 GB (Boot)
Samsung Spinpoint F3 1TB (Data)
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10-30-2010, 07:16 PM
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#3
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Lifer
Join Date: May 2001
Location: Orange County CA
Posts: 13,460
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Asus sixty eight fitty
900/1100
CCC Overdrive
Voltage Stock
Fan @ 50% manual
__________________
3570k @ 4.6 1.25v /MSI Z77A-GD65/Swiftech H220 /8GB Corsair Vengence DDR3 1600/Sapphire HD 7950 1100/1500 /Kingston SSDNow V300 120gb /Hitachi 1TB /Antec TP 650 New/HP ZR24W/Logitech Z5300/ Razer Deathadder/NZXT Phantom 630/Windows 7 Ultimate 64
RIP, John, my best friend Oct 17th 1966 - Nov 13th 2010
RIP, Victor, my dad, June 26th 1927 - April 13th 2011
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10-30-2010, 07:20 PM
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#4
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Lifer
Join Date: Aug 2002
Posts: 21,057
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Quote:
Originally Posted by Arsynic
I'm having issues with the 10.10c driver and seeing higher o/c settings in CCC. What's up with that?
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I'm on 10.10b and seeing 850/1200, but downloading 10.10c to see if that does more than 850, since other people seem to have higher limits than me (like you and WaTaGuMp)
__________________
CPU: Q3570K @ 4.1GHz 1.23v // Mobo: Asus P8Z77-V // GFX: Radeon HD7950 @ 980/5300 // RAM: Corsair DDR3 @ 1600MHz 9-9-9-24 // SSD: Samsung 830 128GB
Video cards: TNT2, Ti4400, 9800, 7800GT(+7200GS), HD4850(+HD2400), HD6850, HD7950 (Laptops: GF6150, HD3200, GMA500)
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10-30-2010, 07:26 PM
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#5
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Senior Member
Join Date: Jun 2004
Posts: 405
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No, I'm saying that I'm not seeing higher O/C settings after 10.10c. I thought it opened up higher OC settings.
__________________
A+, Network+, MCP, MCTS
Latest rig Blackout:
AMD Phenom II X6 @3.5 GHz
Corsair H50 w/Scythe Slimstream 2000 RPM
8 GB Corsair XMS @ 1600
ASUS M4A88T-M/USB3
Sapphire Radeon HD 6850 @950/1150
CM C690 II Enhanced
CM Silent Pro M600
Corsair Force 3 120 GB (Boot)
Samsung Spinpoint F3 1TB (Data)
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10-30-2010, 07:29 PM
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#6
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Lifer
Join Date: Aug 2002
Posts: 21,057
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Quote:
Originally Posted by Arsynic
No, I'm saying that I'm not seeing higher O/C settings after 10.10c. I thought it opened up higher OC settings.
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Oh, my bad. Didn't understand. Yeah, did nothing for me either, 10.10b to 10.10c I'm still at 850/1200.
What model/manufacturer is your card?
__________________
CPU: Q3570K @ 4.1GHz 1.23v // Mobo: Asus P8Z77-V // GFX: Radeon HD7950 @ 980/5300 // RAM: Corsair DDR3 @ 1600MHz 9-9-9-24 // SSD: Samsung 830 128GB
Video cards: TNT2, Ti4400, 9800, 7800GT(+7200GS), HD4850(+HD2400), HD6850, HD7950 (Laptops: GF6150, HD3200, GMA500)
Last edited by Lonyo; 10-30-2010 at 07:33 PM.
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10-30-2010, 07:47 PM
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#7
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Lifer
Join Date: May 2001
Location: Orange County CA
Posts: 13,460
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Could be the Bios on the cards deciding the limits.
__________________
3570k @ 4.6 1.25v /MSI Z77A-GD65/Swiftech H220 /8GB Corsair Vengence DDR3 1600/Sapphire HD 7950 1100/1500 /Kingston SSDNow V300 120gb /Hitachi 1TB /Antec TP 650 New/HP ZR24W/Logitech Z5300/ Razer Deathadder/NZXT Phantom 630/Windows 7 Ultimate 64
RIP, John, my best friend Oct 17th 1966 - Nov 13th 2010
RIP, Victor, my dad, June 26th 1927 - April 13th 2011
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10-30-2010, 07:50 PM
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#8
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Diamond Member
Join Date: Oct 2010
Posts: 3,385
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*IF* the max on CCC is 850mhz (caps out option wise), try a differnt program to set speeds with. Like the MSI afterburner or something simular.
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10-30-2010, 07:54 PM
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#9
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Lifer
Join Date: May 2001
Location: Orange County CA
Posts: 13,460
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Quote:
Originally Posted by Arkadrel
*IF* the max on CCC is 850mhz (caps out option wise), try a differnt program to set speeds with. Like the MSI afterburner or something simular.
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Pretty sure they already know that. I think its more of a they want to know why certain people cant get over 850 in the CCC. I had Afterburner already downloaded figuring I was going to need it.
__________________
3570k @ 4.6 1.25v /MSI Z77A-GD65/Swiftech H220 /8GB Corsair Vengence DDR3 1600/Sapphire HD 7950 1100/1500 /Kingston SSDNow V300 120gb /Hitachi 1TB /Antec TP 650 New/HP ZR24W/Logitech Z5300/ Razer Deathadder/NZXT Phantom 630/Windows 7 Ultimate 64
RIP, John, my best friend Oct 17th 1966 - Nov 13th 2010
RIP, Victor, my dad, June 26th 1927 - April 13th 2011
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10-30-2010, 09:25 PM
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#10
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Golden Member
Join Date: Jan 2003
Posts: 1,873
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Will you get 6870 performance with an o/c'd 6850? Or are there more differences than just the clock speeds?
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10-30-2010, 09:31 PM
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#11
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Platinum Member
Join Date: Apr 2008
Posts: 2,730
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Quote:
Originally Posted by deepinya
Will you get 6870 performance with an o/c'd 6850? Or are there more differences than just the clock speeds?
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think it's just SP count and default voltage
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10-30-2010, 09:39 PM
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#12
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Lifer
Join Date: Jun 2003
Location: Philadelphia , P.A.
Posts: 11,189
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Quote:
Originally Posted by deepinya
Will you get 6870 performance with an o/c'd 6850? Or are there more differences than just the clock speeds?
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You need about 1150 on the core to = a 5870.  pretty impossible.
Even a 6870 @ 972 cant beat a 5870.
Edit:sorry I read 5870. Yes a 6850 @ 1010 core = a 6870
__________________
Antec 1200 case (7fans) with a Asus P5Q board, q9550 @ 4ghz @ 1.39 with Tuniq cooler (prime stable @68c), 4 gigs ddr2 1000,2 1tb hard drives, 2 6870 2gb cards @ 980 core,  370$AR shipped, Corsair tx 750, @ 1080p. Shes finally maxed out!
Last edited by happy medium; 10-30-2010 at 09:46 PM.
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10-30-2010, 09:50 PM
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#13
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Diamond Member
Join Date: Sep 2010
Posts: 4,628
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Quote:
Originally Posted by deepinya
Will you get 6870 performance with an o/c'd 6850? Or are there more differences than just the clock speeds?
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6870 has more SPs. 1120 vs. 960. So it's not just clockspeed difference. VRAM speed is also different@stock but I think they use the same chips so you can oc them equally, in theory.
__________________
Quote:
Originally Posted by BoFox
We had to suffer polygonal boobs for a decade because of selfish corporate reasons.
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Main: 3570K + HD7970 + 16GB 1866 + AsRock Extreme4 Z77 + Eyefinity 5760x1080 eIPS
NAS and HTPC/workstation: Supermicro MBD-X9SCM + G530 + 16GB ECC; ASUS P8B WS + i3-3220; 1.168TB of Intel/Crucial/Samsung SSDs + 26TB of WD/Hitachi HDDs
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10-31-2010, 08:10 AM
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#14
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Junior Member
Join Date: Sep 2010
Location: Canada
Posts: 22
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CCC won't do over 850MHz. Afterburner will if you enable unofficial overclocking in MSIAfterburner.cfg in your C  Program Files (x86)\MSI Afterburner folder or where ever you installed it.
I'm sitting at 930/1080 and it seems relatively stable. Some random game benches, 3DMark06, and 20 mins of Furmark didn't give me problems. 950 had some artifacts and 940 crashed my display drivers.
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10-31-2010, 08:14 AM
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#15
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Member
Join Date: Dec 2005
Posts: 169
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sapphire 6850
10.10 whql
950/1120
win 7 64bit
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10-31-2010, 05:51 PM
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#16
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Lifer
Join Date: May 2001
Location: Orange County CA
Posts: 13,460
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Gave my old CPU a little test, shows its age that's for sure.
__________________
3570k @ 4.6 1.25v /MSI Z77A-GD65/Swiftech H220 /8GB Corsair Vengence DDR3 1600/Sapphire HD 7950 1100/1500 /Kingston SSDNow V300 120gb /Hitachi 1TB /Antec TP 650 New/HP ZR24W/Logitech Z5300/ Razer Deathadder/NZXT Phantom 630/Windows 7 Ultimate 64
RIP, John, my best friend Oct 17th 1966 - Nov 13th 2010
RIP, Victor, my dad, June 26th 1927 - April 13th 2011
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11-01-2010, 12:56 AM
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#17
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Lifer
Join Date: May 2001
Location: Orange County CA
Posts: 13,460
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Bumped my OC up a bit, still stock voltage, now at 950/1140
__________________
3570k @ 4.6 1.25v /MSI Z77A-GD65/Swiftech H220 /8GB Corsair Vengence DDR3 1600/Sapphire HD 7950 1100/1500 /Kingston SSDNow V300 120gb /Hitachi 1TB /Antec TP 650 New/HP ZR24W/Logitech Z5300/ Razer Deathadder/NZXT Phantom 630/Windows 7 Ultimate 64
RIP, John, my best friend Oct 17th 1966 - Nov 13th 2010
RIP, Victor, my dad, June 26th 1927 - April 13th 2011
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11-01-2010, 01:39 AM
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#18
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Golden Member
Join Date: Oct 2006
Posts: 1,783
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can people who O/C also post a sample benchmark with before and after results to see the gains? thanks.
__________________
Jesus Saves. The rest of you take 2d10 Fire Damage.
Rig:
E8400 @ 3.6GHz / Noctua NH-C14 | GA-P43-DS3L | Sapphire HD5850 1GB @ 900/1125 | 4GB DDR2-800 OCZ | Samsung S23A700D 120Hz | Tagan SuperRock 500W
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11-01-2010, 06:23 AM
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#19
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Platinum Member
Join Date: Feb 2009
Location: Australia
Posts: 2,599
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Quote:
Originally Posted by flopper
sapphire 6850
10.10 whql
950/1120
win 7 64bit

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Not bad for stock vcore. Edges out the gtx460 ftw. Is that sapphire model ref design?
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11-01-2010, 06:28 PM
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#20
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Senior Member
Join Date: Jun 2004
Posts: 405
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Please post load temps and fan speed.
__________________
A+, Network+, MCP, MCTS
Latest rig Blackout:
AMD Phenom II X6 @3.5 GHz
Corsair H50 w/Scythe Slimstream 2000 RPM
8 GB Corsair XMS @ 1600
ASUS M4A88T-M/USB3
Sapphire Radeon HD 6850 @950/1150
CM C690 II Enhanced
CM Silent Pro M600
Corsair Force 3 120 GB (Boot)
Samsung Spinpoint F3 1TB (Data)
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11-01-2010, 06:56 PM
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#21
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Diamond Member
Join Date: Oct 2010
Posts: 3,385
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Quote:
Originally Posted by WaTaGuMp
Bumped my OC up a bit, still stock voltage, now at 950/1140
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benchmarks  pics or it didnt happend (jk) but would be nice.
Getting a 6850 to 950 core stable... pretty darn nice overclock there.
How much volt do you need to give it to reach 1ghz?
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11-01-2010, 07:02 PM
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#22
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Lifer
Join Date: May 2001
Location: Orange County CA
Posts: 13,460
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Quote:
Originally Posted by Arkadrel
benchmarks  pics or it didnt happend (jk) but would be nice.
Getting a 6850 to 950 core stable... pretty darn nice overclock there.
How much volt do you need to give it to reach 1ghz?
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I ran Unigine right above a few posts. Bumping it up didn't change enough to warrant putting another benchmark up. I gained 1 FPS, min stayed the same and gained about 3 FPS on the max. I don't plan on trying for 1k since I don't want to add voltage.
__________________
3570k @ 4.6 1.25v /MSI Z77A-GD65/Swiftech H220 /8GB Corsair Vengence DDR3 1600/Sapphire HD 7950 1100/1500 /Kingston SSDNow V300 120gb /Hitachi 1TB /Antec TP 650 New/HP ZR24W/Logitech Z5300/ Razer Deathadder/NZXT Phantom 630/Windows 7 Ultimate 64
RIP, John, my best friend Oct 17th 1966 - Nov 13th 2010
RIP, Victor, my dad, June 26th 1927 - April 13th 2011
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11-01-2010, 07:07 PM
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#23
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Lifer
Join Date: May 2001
Location: Orange County CA
Posts: 13,460
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Anyhow, here is a CCC shot.
__________________
3570k @ 4.6 1.25v /MSI Z77A-GD65/Swiftech H220 /8GB Corsair Vengence DDR3 1600/Sapphire HD 7950 1100/1500 /Kingston SSDNow V300 120gb /Hitachi 1TB /Antec TP 650 New/HP ZR24W/Logitech Z5300/ Razer Deathadder/NZXT Phantom 630/Windows 7 Ultimate 64
RIP, John, my best friend Oct 17th 1966 - Nov 13th 2010
RIP, Victor, my dad, June 26th 1927 - April 13th 2011
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11-01-2010, 08:12 PM
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#24
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Senior Member
Join Date: Feb 2001
Location: <3 Montreal Canadiens
Posts: 462
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Very nice OC there WaTaGuMp. I'm aiming for an Asus 6850 as well for my new build, but they're never in stock.
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11-01-2010, 08:22 PM
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#25
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Senior Member
Join Date: Jun 2004
Posts: 405
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950/1150
Idle Temp: 47C Load Temp: 74C
Fan Speed: 65%
__________________
A+, Network+, MCP, MCTS
Latest rig Blackout:
AMD Phenom II X6 @3.5 GHz
Corsair H50 w/Scythe Slimstream 2000 RPM
8 GB Corsair XMS @ 1600
ASUS M4A88T-M/USB3
Sapphire Radeon HD 6850 @950/1150
CM C690 II Enhanced
CM Silent Pro M600
Corsair Force 3 120 GB (Boot)
Samsung Spinpoint F3 1TB (Data)
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