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# General GeForce 210 vmod thread - Page 8

You want the big difference. A large resistance in parallel with a small resistance does not change the overall resistance of the circuit very much. You want the significant change to happen when you turn the pot, not after you solder it it. To understand why this is, let's look at the theory behind parallel resistance.

Parallel resistence is calculated as R3 = 1 / (1/R1 + 1/R2 ). In our case R1 will be the orignal resistance measured, R2 will be the resistance added by the pot, and R3 is the new resistance. If you go through and put some values in for R1 and R2, you will find that R3 will be closer to the lower of R1 and R2. Example: R1=10ohm, R2=200ohm, R3 will then be 9.5ohm. So we see that large resistance in parallel with small resistance is very similar to the small resistance. Now if R2 =50ohm, R3 goes down to 8.33ohm. In general if R2 is x20 R1, then it does not drasticaly affect the circuit.

For your case, you measure R1=0.712k. If you use R2=1k then your new resistance is R3=416ohm, which is a very large drop in resistance (for this kind of circuit). That kind of drop might add .5v to the core, which is a lot. By using a 10k, R3 is only 665ohm, which is not as drastic and might add only .1 or .05v to the core.
 On a whim, 8.37Ghz (18 items)
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OCN Marksman pot k|ngp|n F1 Dark pot Stripped Xp Antec 1200W HCP
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Dimastech Hard
 On a whim, 8.37Ghz (18 items)
CPUMotherboardGraphicsRAM
FX-8120, and a bunch more AM3/AM2+ Crosshair V, Crosshair IV Lots of green Dominator GT
RAMRAMHard DriveCooling
Dominator GT Perfect Storm M4 64Gb Dihydrogen monoxide, Carbon dioxide, Liquid Nit...
CoolingCoolingOSPower
OCN Marksman pot k|ngp|n F1 Dark pot Stripped Xp Antec 1200W HCP
Case
Dimastech Hard
I got the Gigabyte GV-N210D3-1GI rev 3, it has 2 uP1504T and 1 uP0104P. Any idea which lead I should check? I goggled the part and got nothing.
 Black Lightning (24 items)
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 Black Lightning (24 items)
CPUMotherboardGraphicsGraphics
4770K Gigabyte Z87 OC Force Sapphire 290x  Sapphire 290x
RAMHard DriveHard DriveHard Drive
Crucial Ballistix Tactical LP Toshiba Q Series Pro Samsung 840 Pro WD Black
Hard DriveCoolingCoolingCooling
Seagate XSPC Raystorm EK-FB GA Z87X-OC Force EK-FC R9-290X - Acetal+Nickel
CoolingCoolingCoolingCooling
EK-FC R9-290X - Acetal+Nickel  XSPC EX420 XSPC D5 Dual Bay Reservoir/Pump Combo External Chiller
OSMonitorKeyboardPower
Windows 10 Dell U2210H x 5 On Custom Mount Logitech Orion Spark G910 Silverstone ST1000-G Evolution
Rosewill Blackhawk-ULTRA Logitech G600 Razer Destructor Sony 5.1 Surround Sound with Powered Subwoofer
I can't find any datasheets for those parts, but the uP1504 chips are the controllers. I can help you do a blind mod though. Pick one of the controllers and measure the resistance from every pin to ground, and report back the values here.
Edited by just_nuke_em - 11/1/12 at 11:01am
 On a whim, 8.37Ghz (18 items)
CPUMotherboardGraphicsRAM
FX-8120, and a bunch more AM3/AM2+ Crosshair V, Crosshair IV Lots of green Dominator GT
RAMRAMHard DriveCooling
Dominator GT Perfect Storm M4 64Gb Dihydrogen monoxide, Carbon dioxide, Liquid Nit...
CoolingCoolingOSPower
OCN Marksman pot k|ngp|n F1 Dark pot Stripped Xp Antec 1200W HCP
Case
Dimastech Hard
 On a whim, 8.37Ghz (18 items)
CPUMotherboardGraphicsRAM
FX-8120, and a bunch more AM3/AM2+ Crosshair V, Crosshair IV Lots of green Dominator GT
RAMRAMHard DriveCooling
Dominator GT Perfect Storm M4 64Gb Dihydrogen monoxide, Carbon dioxide, Liquid Nit...
CoolingCoolingOSPower
OCN Marksman pot k|ngp|n F1 Dark pot Stripped Xp Antec 1200W HCP
Case
Dimastech Hard
^^^^ and pics help to
 The slaughter house (13 items)
CPUMotherboardGraphicsRAM
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Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station
 The slaughter house (13 items)
CPUMotherboardGraphicsRAM
E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3
Hard DrivePowerCase
Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station
Will do I was trying it out without the mods. I put my cooler from my 9800 on it, it looks ridiculous. The cooler is an easy 3x the surface area of the card. I zip tied 2 92mm Deltas to it that are with 160cfm, should be enough cooling lol.

This is the cooler: http://www.scythe-usa.com/product/vga/002/scvms1000_detail.html

Fits on my 210 like a glove.
 Black Lightning (24 items)
CPUMotherboardGraphicsGraphics
4770K Gigabyte Z87 OC Force Sapphire 290x  Sapphire 290x
RAMHard DriveHard DriveHard Drive
Crucial Ballistix Tactical LP Toshiba Q Series Pro Samsung 840 Pro WD Black
Hard DriveCoolingCoolingCooling
Seagate XSPC Raystorm EK-FB GA Z87X-OC Force EK-FC R9-290X - Acetal+Nickel
CoolingCoolingCoolingCooling
EK-FC R9-290X - Acetal+Nickel  XSPC EX420 XSPC D5 Dual Bay Reservoir/Pump Combo External Chiller
OSMonitorKeyboardPower
Windows 10 Dell U2210H x 5 On Custom Mount Logitech Orion Spark G910 Silverstone ST1000-G Evolution
Rosewill Blackhawk-ULTRA Logitech G600 Razer Destructor Sony 5.1 Surround Sound with Powered Subwoofer
 Black Lightning (24 items)
CPUMotherboardGraphicsGraphics
4770K Gigabyte Z87 OC Force Sapphire 290x  Sapphire 290x
RAMHard DriveHard DriveHard Drive
Crucial Ballistix Tactical LP Toshiba Q Series Pro Samsung 840 Pro WD Black
Hard DriveCoolingCoolingCooling
Seagate XSPC Raystorm EK-FB GA Z87X-OC Force EK-FC R9-290X - Acetal+Nickel
CoolingCoolingCoolingCooling
EK-FC R9-290X - Acetal+Nickel  XSPC EX420 XSPC D5 Dual Bay Reservoir/Pump Combo External Chiller
OSMonitorKeyboardPower
Windows 10 Dell U2210H x 5 On Custom Mount Logitech Orion Spark G910 Silverstone ST1000-G Evolution
Rosewill Blackhawk-ULTRA Logitech G600 Razer Destructor Sony 5.1 Surround Sound with Powered Subwoofer
All I have to say is this card is trash now.... Zero results....

 The slaughter house (13 items)
CPUMotherboardGraphicsRAM
E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3
Hard DrivePowerCase
Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station
 The slaughter house (13 items)
CPUMotherboardGraphicsRAM
E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3
Hard DrivePowerCase
Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station
Dead? First casualty of the contest?
 Short Man Syndrome (13 items)
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 Short Man Syndrome (13 items)
CPUMotherboardGraphicsRAM
Intel Celeron G540 Asus Maximus Gene IV Sapphire Radeon HD 4890 G.Skill DDR3 PC3-10666
Hard DriveOptical DriveOSMonitor
Seagate Barracuda 1.5TB LG 22x SuperMulti Windows 7 Ultimate LG 23" W2353V
KeyboardPowerCaseMouse
Ducky OCN Mechanical  Seasonic 550W Thermaltake Lanbox Lite Razer Diamondback
Quote:
Originally Posted by Rasparthe

Dead? First casualty of the contest?

Not completely dead, but degraded to the point that it will not handle 3d at stock anymore.
 The slaughter house (13 items)
CPUMotherboardGraphicsRAM
E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3
Hard DrivePowerCase
Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station
 The slaughter house (13 items)
CPUMotherboardGraphicsRAM
E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3
Hard DrivePowerCase
Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station

chipped core?

or just "finding out" how it does/doesnt scale with 300% voltage increase?

Quote:
Originally Posted by CL3P20

chipped core?

or just "finding out" how it does/doesnt scale with 300% voltage increase?

IDK what happened. I know I had a bad mount first freeze attempted. Only tried 1.25v on the core. Couldn't get it to do anything. First I thought it was hating the cold or I had water in the slot already. Tore it down and noticed the tim was squished real bad to one side and the die had pour contact. Removed everything and put the stock cooler on. Card continued to act the same with stock clocks and cooler.
 The slaughter house (13 items)
CPUMotherboardGraphicsRAM
E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3
Hard DrivePowerCase
Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station
 The slaughter house (13 items)
CPUMotherboardGraphicsRAM
E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3
Hard DrivePowerCase
Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station
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