I checked the modded bios page that contains several speed for 3870. Not sure what brand of 3870 can flash and used properly for 875/1250?
ATi Radeon HD 3850 & 3870 Single / CF / CFx, OC discussion thread~
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 Dec 29 2007, 07:58 AM
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Senior Member
875 posts Joined: Oct 2004 From: Selayang, Selangor  
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Dec 29 2007, 09:08 AM
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4,810 posts Joined: Jan 2003 
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QUOTE(ahsiah @ Dec 29 2007, 07:58 AM) I checked the modded bios page that contains several speed for 3870. Not sure what brand of 3870 can flash and used properly for 875/1250? Run with some games after flashing, flash to lower clockspeed version if found artifacts. |
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Dec 29 2007, 11:41 PM
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Senior Member
1,988 posts Joined: Aug 2005 From: Puchong, Selangor 
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QUOTE(zhen^wei @ Dec 28 2007, 07:57 PM) i had try the HD3870 compare with my zotac 8800GT amp!. try to max OC both cards which is better?... 8800gt rite? it's better than 8800gt in 3dmark05. (but the HD3870 using the modded firmware 820/1200 la)  |
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Dec 30 2007, 12:58 AM
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Senior Member
4,057 posts Joined: Jan 2003 From: Pandan Indah
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yes. 8800gt have more potential to do better OC.
but i don like the high temperature..hehe |
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Dec 30 2007, 06:50 AM
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Senior Member
835 posts Joined: Sep 2004 From: LYP@Bintang Walk 
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Ati HD3870 VGPU pencil mod (from Xtremesystems forums)
Just use a 2B pencil to lower the resistance on the marked blue resistor from 1.62kOhm to around 1KOhm My HD3870 stock vgpu = 1.33v (3d) after pencil mod vgpu went up to 1.415v This post has been edited by rlhc17: Dec 30 2007, 07:00 AM Attached thumbnail(s) 
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Dec 30 2007, 07:15 AM
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Elite
8,545 posts Joined: Aug 2006 From: 224.0.0.6
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Is it the same as 3850???
 -pWs- |
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Dec 30 2007, 11:05 AM
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859 posts Joined: Jun 2005 From: anywhere
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QUOTE(rlhc17 @ Dec 30 2007, 06:50 AM) Ati HD3870 VGPU pencil mod (from Xtremesystems forums) how bout the temperatures?Just use a 2B pencil to lower the resistance on the marked blue resistor from 1.62kOhm to around 1KOhm My HD3870 stock vgpu = 1.33v (3d) after pencil mod vgpu went up to 1.415v |
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Dec 30 2007, 01:07 PM
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Senior Member
835 posts Joined: Sep 2004 From: LYP@Bintang Walk
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[quote=-pWs-,Dec 30 2007, 07:15 AM]
Is it the same as 3850??? yup,same [quote=MangKoK^ayon,Dec 30 2007, 11:05 AM] how bout the temperatures? [/quote] load went up from 52c to 58c on stock cooler running full speed This is mine after with pencil mod Attached thumbnail(s) 
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Dec 30 2007, 01:44 PM
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Senior Member
1,701 posts Joined: Jul 2006 From: Malaysia
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means i can pencil mod my 3850 also?
Added on December 30, 2007, 1:48 pm QUOTE(rlhc17 @ Dec 30 2007, 06:50 AM) Ati HD3870 VGPU pencil mod (from Xtremesystems forums) eh i dun understand laJust use a 2B pencil to lower the resistance on the marked blue resistor from 1.62kOhm to around 1KOhm My HD3870 stock vgpu = 1.33v (3d) after pencil mod vgpu went up to 1.415v This post has been edited by dj.eRicZzz: Dec 30 2007, 01:48 PM |
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Dec 30 2007, 01:50 PM
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All Stars
14,242 posts Joined: Jul 2007 From: JAVABUS
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pencil mod is just pelan pelan shade kan ?
need the digital meter measure tool right ? |
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Dec 30 2007, 01:54 PM
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Elite
8,545 posts Joined: Aug 2006 From: 224.0.0.6
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QUOTE(dj.eRicZzz @ Dec 30 2007, 01:44 PM) means i can pencil mod my 3850 also? I think he is using multimeter to do that Added on December 30, 2007, 1:48 pm eh i dun understand la -pWs- |
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Dec 30 2007, 01:57 PM
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Senior Member
859 posts Joined: Jun 2005 From: anywhere
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anyone to try? flashing to a different modded bios also can mod vgpu
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Dec 30 2007, 02:59 PM
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Elite
8,545 posts Joined: Aug 2006 From: 224.0.0.6
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Wahahaha...I dun dare to flash le
 I think flashing one is softmod, right? -pWs- |
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Dec 30 2007, 06:53 PM
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Senior Member
859 posts Joined: Jun 2005 From: anywhere
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QUOTE(-pWs- @ Dec 30 2007, 02:59 PM) Wahahaha...I dun dare to flash le yup....bro pws...plz try it I think flashing one is softmod, right? -pWs-  |
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Dec 30 2007, 09:07 PM
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Senior Member
4,810 posts Joined: Jan 2003
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QUOTE(rlhc17 @ Dec 30 2007, 06:50 AM) Ati HD3870 VGPU pencil mod (from Xtremesystems forums) rlhc17, can we clean the mod back to stock after modding?Just use a 2B pencil to lower the resistance on the marked blue resistor from 1.62kOhm to around 1KOhm My HD3870 stock vgpu = 1.33v (3d) after pencil mod vgpu went up to 1.415v how? gonna try it at company, got multimeter there  |
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Dec 30 2007, 09:11 PM
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Senior Member
859 posts Joined: Jun 2005 From: anywhere
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QUOTE(sukhoi37 @ Dec 30 2007, 09:07 PM) rlhc17, can we clean the mod back to stock after modding? just erase it i think how? gonna try it at company, got multimeter there  |
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Dec 30 2007, 09:38 PM
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Senior Member
835 posts Joined: Sep 2004 From: LYP@Bintang Walk
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QUOTE(sukhoi37 @ Dec 30 2007, 09:07 PM) rlhc17, can we clean the mod back to stock after modding? just use a bit of alcohol to clean it up how? gonna try it at company, got multimeter there  |
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Dec 30 2007, 10:19 PM
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Senior Member
4,810 posts Joined: Jan 2003
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QUOTE(rlhc17 @ Dec 30 2007, 09:38 PM) just use a bit of alcohol to clean it up need to run the card to check the resistance after modding?where are the points to check resistance in your picture? blue square point and ??? This post has been edited by sukhoi37: Dec 30 2007, 10:35 PM |
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Dec 30 2007, 10:33 PM
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Senior Member
1,701 posts Joined: Jul 2006 From: Malaysia
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i think the ppl should do pic by pic as in step by step guide...he's lazy..so all put in 1 pix
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Dec 30 2007, 11:26 PM
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Senior Member
835 posts Joined: Sep 2004 From: LYP@Bintang Walk
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QUOTE(sukhoi37 @ Dec 30 2007, 10:19 PM) need to run the card to check the resistance after modding? system off-where are the points to check resistance in your picture? blue square point and ??? u need to check the resistance on the the blue square point resistor as u shade (power off) 1kohm will give u 1.415vgpu (on 3d mode) system on - Vgpu measuring point will be any 1 of the red point ur DMM red probe to any of the red point & black probe to ground This post has been edited by rlhc17: Dec 30 2007, 11:27 PM |
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