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Point of view 7800GT (for Gamer)
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Old 15th November 2009, 14:47   #1
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Default Point of view 7800GT (for Gamer)

Voltage of the GPU
  • Standard voltage = 1.206v
  • IC: (ISL)6563CRZ
  • Link to datasheet
  • FB = pin6 = 245 ohm => 5k VR between pin6 and GND (pin7)
  • Both OVP and OCP present (will look into that, if necessary)


Voltage of the MEMORY
  • Standard voltage = 2.06v
  • IC: (ISL)6549CBZ
  • Link to datasheet
  • FB = pin4 = 621 ohm => 5k or 10k VR between pin4 and GND (pin7)
  • No OVP, no OCP
  • Memory type: Infineon HYB18T256324F-20
  • Maximum voltage determined by manufacturer: 2.5V


Voltage measurements



OC results

Not tested.
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point-view-7800gt-gamer-vmem.jpg point-view-7800gt-gamer-vgpu.jpg point-view-7800gt-gamer-readout.png
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Old 15th November 2009, 15:36   #2
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Isn't standard voltage for the GPU 1.4v ?
I already flashed it to 1.5v.
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Old 15th November 2009, 16:54   #3
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Hm; must be 2D voltage then?
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Old 15th November 2009, 19:58   #4
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Yep, that's it.
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Old 15th November 2009, 21:08   #5
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I guess even 1.6V is possible through bios flashing?
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Old 15th November 2009, 21:29   #6
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Nope, it was 1.4, max is 1.5.
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Old 15th November 2009, 21:57   #7
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voltage IC suggests 1.6V through software is possible.
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Old 7th December 2009, 18:51   #8
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Are these fixed yet ?
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Old 13th December 2009, 20:45   #9
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1 card at 50% ... now I'm out of 10k VR's LOL
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Old 13th December 2009, 21:04   #10
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Huh ?
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