Pin Mod 533mhz to 800mhz?

[musk]

Can a 533mhz 2.4a be pin modded to run 800mhz. I have an asus T2-p that wont let me choose 800mhz only 533mhz.

I would love to have it boot as an 800mhz chip.

[n00b 0f l337]

I don't think so, though with good cooling you may be able to OC to that. I've never heard in that sorta pin mod.

[Lithan]

Get a 2.26b instead. One less X so dont much more likely to make it, and it runs cooler/performs better in most tasks at the same clock.

[totensiebush]

I don't think so, though with good cooling you may be able to OC to that. I've never heard in that sorta pin mod.

Someone recently posted about doing something similar in a Dell, IE setting their LGA775 setup to run at FSB266/1066 instead of 200/800, so I am sure there is a way.

[socrilles]

The pin mod is really easy on the socket 478 processor, you just have to ground bsel1, which can be done with a U shaped wire in the socket like the AMD processors. Here is a link to the intel whitesheetsintel whitesheets in it you have to find where the bsel1 is and then make a connection between that hole and one of the vss's that is next to it with the U shaped wire in the socket (I usually use the wires that come with a cdrom drive to connect to sound/card mobo strip them back and you will find really thin wires.)

GL, and I take no responsibilities if something goes wrong (the link I gave is for the 90 nM processors but I'm pretty sure all socket 478 will have the same pinout).

[musk]

This is a 533mhz 90nm chip. does that matter.

musk

[socrilles]

no the only thing that makes it a 533 mhz processor and not a 800 mhz fsb processor is that bsel1 isn't grounded, go to notebookforum.com and in the dell 9300 subgroup look for the picture guide this is a very similiar mod

[n00b 0f l337]

Wait....

If you have a 3.06, lets say. With 533 mhz fsb, (133 fsb) then the multi is 23... If you swithced it to run at 800 mhz fsb, (200 fsb) then it would be a 4.6ghz chip. How does stability manage to stay in effect? I think that would need a cascade and a lot of voltage to do anything.

[socrilles]

yes the only viable pin mods are:
2.26, 2.4 and 2.53 to 3.8 4 and 4.2 respectively (533 to 800)
and p4 630 3 ghz, 640 3.2 ghz to 4 ghz EE or 4.26 ghz EE respectively (800 to 1066) you can also pin mod for higher voltage

[Lithan]

Wait....

If you have a 3.06, lets say. With 533 mhz fsb, (133 fsb) then the multi is 23... If you swithced it to run at 800 mhz fsb, (200 fsb) then it would be a 4.6ghz chip. How does stability manage to stay in effect? I think that would need a cascade and a lot of voltage to do anything.

It doesn't. That's why there aren't any 800FSB chips with a 23 multi.

[i found nemo]

i guess you lower the multiplier before you do the wire mod...that way it will turn on....but you can't do that in dells

[Lithan]

Intel has unlocked lowers now?

[i found nemo]

if it's a mobile, maybe

[n00b 0f l337]

But are those 630 pin mods any where near stable? If so why doesnt intel sell them?

[Lithan]

They can be stable. It's just like any other kind of overclocking except it works on boards that don't support overclocking. Why doesn't intel only sell 3.73EE's? Same answer.

[n00b 0f l337]

Ah, so just for boards that dont support. I geuss thats cool. I wonder if you could do the mod with a thin layer of copper filament on the bottom of cpu.

[musk]

yes the only viable pin mods are:
2.26, 2.4 and 2.53 to 3.8 4 and 4.2 respectively (533 to 800)
and p4 630 3 ghz, 640 3.2 ghz to 4 ghz EE or 4.26 ghz EE respectively (800 to 1066) you can also pin mod for higher voltage

I think the 2.4 would run 3.6 right? 18x133=2400 ----- 18x200=3600

I will give it a go.

[i found nemo]

ok let us know

[socrilles]

yah I'm interested to see if it works, also there is a way to adjust the voltage similarly if needed.

[totensiebush]

yes the only viable pin mods are:
2.26, 2.4 and 2.53 to 3.8 4 and 4.2 respectively (533 to 800)
and p4 630 3 ghz, 640 3.2 ghz to 4 ghz EE or 4.26 ghz EE respectively (800 to 1066) you can also pin mod for higher voltage

2.26 = 3.4
2.4 = 3.6
2.53 = 3.8

[death metal]

musk, i'm waiting for this =)......

[musk]

Well this is going to have to wait untill my next build. I have to give this machine to a client today. If anyone cares, the 2.4 E0 steppings can do 3.6 easily so this is a great chip/project for a cheap shuttle unit. Too bad there is no HT cause its pretty good for multi-tasking as an everyday station.

I am not going to let this die. Will probably build another in a week or so.

m