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# The OCN Volt Mod Squad | HWbot's Finest | The Official Club - Page 126

.. dc, uhmmhmm yessah. +24v and -48v up to 1000A
It is current that kills and it is a surprisingly small amount: 100 to 200 mA.

So, with such a small amount of killing current, why are we not all dead? There are many amps flowing in our mobo and we are still alive?

Think of your body as a resistor. Depending on many factors, your body resistance (in a path through your heart) is probably thousands of ohms. Lets say that from your hand to your feet (grounded) you are 1000 ohms. You need 100 volts across (hand to feet) to get 100 mA current flow--enough to cause your heart to go into fibrillation.

I do not know if the body's impedance is different at 60 Hz AC versus DC but it is reasonable to assume that it could be. Also, when we talk about 120 VAC, the number represents an RMS value. The peak value is much greater. So, in fact, a 100 volt DC source is less dangerous than a 100 volt AC source.

Even so, respect anything 100 volts or higher (AC or DC).

When I was in high school (many years ago), I took an elective: Basic Electricity. When the teacher was out, we used to do really stupid things. One was to have a contest to see how high a voltage we could dial up on the variac (variable transformer) while holding the leads with two hands (nice current path right through the heart!!). I do not recall anyone making it above 80 volts. This was stupid behavior--do not replicate this stupidity!!

Finally, what about really high voltages? I went on to study vocational tv repair in high school. The CRT needs a lot of voltage to get the electrons to take the trip from the electron gun to the phosphor. Roughly 10,000 to 30,000 volts. I got crosswise with the HV output in a few TVs. Each time, I just got knocked to the floor. What I think happens is that the instant your muscles take the current surge, they react and if you are lucky, you throw yourself away from the source. If, you are not lucky, you can actually clutch the offending source with no hope of releasing your grasp.

Be careful...always.
 mypc (13 items)
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 mypc (13 items)
CPUMotherboardGraphicsRAM
Intel Core i7 920 EVGA X58 Classified 760 2X EVGA GTX 285 6 GB G.Skill 1600 MHz
Hard DriveOSPower
OCZ 120 Vertex SSD 2x 2TB WD Windows 7 Corsair 1000HX
I have a question.. I have a 4870 and did a bios mod, it allowed me to set higher voltages, but i dont know that they actually did anything?? maybe?? but i heard the 6*** series AMD cards will be able to soft volt mod successfully
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 Core (14 items)
CPUMotherboardGraphicsRAM
i7 920 D0 @ 4.0Ghz Asus P6X58D-E Diamond XOC 4870/512 @ 800//4400 Corsair 3x4gb DDR1600
Hard DriveOptical DriveCoolingOS
2x500GB WD RE2 Raid0 Asus Combo, Asus Combo Corsair H80 Windows 7 Ultimate 64bit
MonitorKeyboardPowerCase
HP 2408h Wide Saitek Eclipse II Corsair HX850W Antec 900 Two
Logitech Mediaplay Cordless Black as in Dark abyss
Would I need or require a PENCIL VOLT MOD for my XFX ATI RADEON 4890 HD -ZSFR VIDEO CARD????
captain864@yahoo.com

If so please do offer any assistance / directives with pictures to do so.
Quote:
Originally Posted by captain864;11951596
Would I need or require a PENCIL VOLT MOD for my XFX ATI RADEON 4890 HD -ZSFR VIDEO CARD????
captain864@yahoo.com

If so please do offer any assistance / directives with pictures to do so.

Got some pictures of your card?
 The slaughter house (13 items)
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E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3
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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
:/ wonder how ima go on my 9400 lol

hopfully well.. shuld be getting supplys 2morro.. but wont be over to push it till can get a heatsink n ram sinks xD their already hot!!! ( +100mhz on mem :/ )

wow bump 4 old thread :/ woopies
Edited by Liighthead - 2/8/11 at 7:33am
 -=name goes here v4=- (13 items)
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 -=name goes here v4=- (13 items)
CPUMotherboardGraphicsRAM
2600k @ 4.4ghz Asus p8z68-v PRO EVGA gtx 460 EE + ESC 450 4gb ddr3 gskill
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2 x 1tb samsung spinpoint windows 7 2 x 19" LCD 1440 x 900 :( Razer Black widow
PowerCaseMouse
Silverstone strider 1000w Plus 600t  Razer Naga
Man, thats some pretty awesome stuff going on. I want to start volt modding but my current video card has a few issues so not the ideal project

Did anyone tryied to mod the hd6870 Gigabyte GV-R687OC-1GD
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 My System (15 items)
CPUMotherboardGraphicsGraphics
Core i5 6500 GigaByte Z170x Gaming 7 Shappire RX 580 Nitro +  XFX RX 570 Black
RAMHard DriveHard DriveOptical Drive
2x8GB DDR4 3000mhz G.Skill RipJawz V Samsung PM961 M.2 NVMe  2x1TB WD Black Raid0, 2x500GB WD Blue RAID0 Optiarc/Nec 7201S
OSMonitorKeyboardPower
Windows 7 (x64) Samsung 24TA550 Logitech 350 EVGA 650GQ + noname wannabe 800W
CaseMouse
TT ARMOR + VH6000BWS Logitech RX-300
Quote:
Originally Posted by pal;14628227
Did anyone tryied to mod the hd6870 Gigabyte GV-R687OC-1GD

vmem mod

source
^^^like a boss

Malk seems to be missing in the essentials thread.... Anyone chat with him on any other sites lately?
 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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