The ULTIMATE ASUS CT-479 Adapter Modifications...You want MORE...GET IT...

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03-08-2006, 01:05 PM
skirms_fr

i ve mod mine with Vcca mod (1.82 Vcca)

ans it seems being longer that after the mod

i m waiting for a kit for vmod from runmc and a 780 es

gonna test with it
03-08-2006, 11:17 PM
cirthix

Quote:

Originally Posted by FreeRider

Hi there, my first post here although I've been reading this board for many years !

I'd like to thank hipro5 and all the others for the mods, the VCCA mod is definetliy the killer one ! :toast:

But, as I experienced, take care with this one. 2.9V is already high !

I've done the mod with 2 fixed resistors and a 1K 20-turn pot inline. The value is adjustable from 365 to 1338 Ohm. My thought was not to go over 3,3V but this is already way too much.

While I was testing the overclockability of my CPU I had the mod fully open (3.22V) During benchmarking I noticed a bit of an electric-burning smell. Later I took off the CT-479 to solder on the 12V cap and saw that a block of pins was black, and on the socket of my mainboard the corresponding pins were blackened too (see attached picture).

The pins are :

V3 - V6
W3 - W6
Y3 - Y5

I haven't found a datasheet to see what function they have but I think the burning has to do with the VCCA voltage.

So, be warned :cool:

But the mod is really great. Without it I couldn't go over 230 FSB, now I am running at 9 x 301, perfectly stable and with a VCCA voltage of 2.65V. Luckily I didn't waist my board !

Hope it helps you guys, don't be as stupid as I am and take care with high VCCA voltages !

very nice, i can only dream of 301*9 :slobber: dammn this chip sucking

here's a diagram saaya made. unmarked pins are vss or vcc
http://members.dodo.com.au/~cameron1...conflicts1.jpg
03-09-2006, 05:16 AM
skirms_fr

vmods done

http://112233445566.free.fr/Vmods/CT...t479%20001.jpg
http://112233445566.free.fr/Vmods/CT...t479%20003.jpg

how be sure that the mods are correctly done ?

i ve always 1.82 Vcca with the pot set to 3.2 3.3 kohm
03-09-2006, 11:56 AM
cirthix

looks good, but you might want to tack down the wires going to the pot
03-09-2006, 12:02 PM
lawrywild

Quote:

Originally Posted by cirthix

looks good, but you might want to tack down the wires going to the pot

yeh, they come off all too easily..
03-09-2006, 11:21 PM
skirms_fr

yes , i m going to glue with a glue gun :)
03-11-2006, 07:04 AM
FreeRider

Quote:

Originally Posted by cirthix

very nice, i can only dream of 301*9 :slobber: dammn this chip sucking

here's a diagram saaya made. unmarked pins are vss or vcc
http://members.dodo.com.au/~cameron1...conflicts1.jpg

The picture seems to prove that the burned pins have something to do with VCCA. Be warned :slap: :)

I think your chip is not the problem. Maybe if your try with different RAM modules you can set your FSB a bit higher.

While I was finding the highest FSB, I also tried multiplier 8 but my system doesn't boot at that multiplier. A MP of 7 works normally. Anyone experienced that ? My chip is a 1.6 Ghz SL86G.
03-11-2006, 11:31 AM
bcn

yes, you are corrrect multi 8 on desktop boards does not work, and multi 6x works as 7x or it is vice versa I do not recall... :)
03-11-2006, 12:32 PM
oktavius

i have modded mine yesterday
my small celeron-m rans now better
C-M380 @ default vcore 2620Mhz ;)
i need my 780ES back to make better scores ;)
03-15-2006, 01:46 PM
skirms_fr

i think having a problem :/

first boot with 780 es with 1.86 vcore 1.85 Vcca under cascade, some pi and other bench , and i try maxscreen @ 3845 but crashing

this the crash i have problem , cpu won t boot :o

i decided looking at the cpu and the CT , and i see a little water on the CT479

so i decided to clean the CT and verifie the Vcca

but the vcca start around 1.2 and go up to around 2.5 Vcca in one minute

what can be the problem ? since yesterday ?

edit : i ve seen that the 47/16 wasnt sold
but i cant sod on the point :/

is that ok ?

http://112233445566.free.fr/Vmods/CT...0479%20mod.jpg
03-15-2006, 05:25 PM
Johnny Bravo

Wasn't there talk from Hipro5 of even more mods for the adaptor? I'd really like to know what they are before I sell up - one last blast on the old PM front :D
03-16-2006, 03:09 AM
skirms_fr

:D

the harder mod for me is in the screen upside
03-16-2006, 02:19 PM
FreeRider

If the VCCA fluctuates, I would first look at the resistor (or the soldering). You could take it off to measure it. If the value is good, solder it back on and see if you get a stable VCCA.
03-16-2006, 02:30 PM
skirms_fr

after modding on an other point , the Vcca is stable :)
03-17-2006, 07:14 AM
peda

http://img91.imageshack.us/my.php?image=burned9xx.jpg

this burned thing is a bidirectional non-latched translator from Siemens.

Any ideas where to get one? :D

It burend when I was running the Cm at 191 mhz FSB on air :rolleyes:
03-17-2006, 08:12 AM
skirms_fr

rebuy a CT :p
03-20-2006, 10:19 AM
angru

Has made mod.

http://img523.imageshack.us/img523/15/pic0003s4wl.jpg
http://img523.imageshack.us/img523/5765/pic0002s4te.jpg
Restoring broken leg.
http://img523.imageshack.us/img523/6708/pic0006s7nq.jpg
03-21-2006, 06:04 PM
Hell-Fire

This is a very lengthy thread. Would it be possible to consolidate on one post all the mods and a shopping list from someone that has done all the mods?

So, in this pic, the only thing added was the black tantalum cap?

http://www.thelab.gr/images/Hipro5/D...dded_2_jpg.jpg
03-22-2006, 02:18 AM
peda

Have a look at page 20

There is a picture with a discription of the mod
03-22-2006, 04:59 PM
skirms_fr

http://112233445566.free.fr/Vmods/CT...t479%20003.jpg

GREEN = 100µf/16v
BLUE = 22µf/10v
YELLOW = pot 5k set to 3.3K for Vcca (1.5 stock , and 1.85 with pot set to 3.3k)
RED = 14µf/25V

and here is the 47µf/16v
http://www.personal.psu.edu/gjg151/ED/ctback.jpg
03-22-2006, 05:41 PM
cirthix

Quote:

Originally Posted by Hell-Fire

This is a very lengthy thread. Would it be possible to consolidate on one post all the mods and a shopping list from someone that has done all the mods?

So, in this pic, the only thing added was the black tantalum cap?

http://www.thelab.gr/images/Hipro5/D...dded_2_jpg.jpg

one of my more recent posts in this thread shows what is added and where on the upper side of the adapter.
03-23-2006, 03:34 AM
Johnny Bravo

Whatever happened to the stage II mods Hipro5?!?!
03-23-2006, 03:54 AM
skirms_fr

maybe top secret :D
03-24-2006, 02:33 AM
C_B

Quote:

Originally Posted by peda

http://img91.imageshack.us/my.php?image=burned9xx.jpg

this burned thing is a bidirectional non-latched translator from Siemens.

Any ideas where to get one? :D

It burend when I was running the Cm at 191 mhz FSB on air :rolleyes:

burnig ct-479 ^^

http://img97.imageshack.us/img97/1928/img41812fj.jpg

http://img49.imageshack.us/img49/9504/img41820oi.jpg
03-24-2006, 05:57 AM
skirms_fr

:clap:

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