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View Full Version : Radeon X700 Voltmods

W1zzard
04-29-2005, 12:22 PM
This voltmod applies to the X700 PCI-Express using PCB #A379.

The blue Sapphire PCB has the same layout as the red ATI PCB, so it will work on all those models no matter which manufacturer.

Overview
http://www.techpowerup.com/articles/117/images/x700_small.jpg (http://www.techpowerup.com/articles/117/images/x700.jpg)

Mods to solder
http://www.techpowerup.com/articles/117/images/vgpu.jpg

http://www.techpowerup.com/articles/117/images/vmem.jpg

Pencil mods
http://www.techpowerup.com/articles/117/images/vgpu_pencil.jpg

http://www.techpowerup.com/articles/117/images/vmem_pencil.jpg
DudesBoss
05-06-2005, 12:00 AM
hey , sorry but i dont get quite what this means, volt mods, what improvement does a voltmod have and.... what do you do? lol
Unregistered
06-01-2005, 10:43 PM
Do you lower resistance on the soldered VR to increase voltage, or do you raise it?

Specifically where are the voltage read points, I can't make them out in the picture.


Thanks.
Urlyin
06-02-2005, 01:51 AM
Do you lower resistance on the soldered VR to increase voltage, or do you raise it?

Specifically where are the voltage read points, I can't make them out in the picture.


Thanks.

Read the article here (http://forums.techpowerup.com/showthread.php?t=194) to get an idea of what to do.... if you double click on the first image it will enlarge ...
Unregistered
08-11-2005, 02:46 AM
Read the article here (http://forums.techpowerup.com/showthread.php?t=194) to get an idea of what to do.... if you double click on the first image it will enlarge ...
noboy better try this guide - you will fry your card! lol
Wizzard might wanna check the guide with an actual card before you post this - 20k on the mem will give you around 3V and 20K on the VGPU 1.9V rofl.

Nice pictures nevertheless
W1zzard
09-01-2005, 12:49 PM
so which resistances do you suggest?
ArcTan
10-02-2005, 01:36 PM
so which resistances do you suggest?on xs they seem to suggest a 50k vr
Masterblaster
10-11-2005, 04:33 PM
@W1zzard:
Did you test the mods f. g. the pencil mods?
What resistance should it be afterwards?
jcdenton21
06-26-2006, 06:04 AM
I would like to do this Vmod but I donīt know how to determinate PCB number
coul you tell me where I can find it out please
tvdang7
09-11-2006, 02:03 AM
yea i have a hybrid sapphire x700 pro card. my pcb doesnt look like the pics so im guessing mine isnt compatible?
Nevvb1e
10-16-2006, 11:28 PM
I have an Gigabyte X700 card
how can i know it used PCB #A379or not ?:)
jcdenton21
10-17-2006, 02:46 PM
hey guys
please help me
I woul like to raise frequencies on my sapphire x700 PCI-e (400/500)
it is stable at 475/630 but I think that 4ns samsung coul go higher
but layout is different
here are photos
http://www.techpowerup.com/articles/117/images/x700.jpg
http://www.laboratorium.ic.cz/foto/VGA/back/1b2.gif
please help or tell me how to make it run higher
I am cooling with zalman vf700 alcu and I am working on passive coolers for memory