Same old Nvidia GPU problem

[yert33]

I have a T61 6459-CTO on which I suspect a bad NVidia GPU. Manufacture date is 08/06.

It will not POST. No beeps. No nada.

I want to replace the system board to see if this fixes it.

Looking in the HMM I see only 2 FRU numbers with the Intel video chip - 42W7651 and 48W7875, both of which do not include my machine type in the "compatible" section.

Question: Will either of these work in my T61? If not does someone have a suggestion on correct FRU to search for?


TIA

Trey

[RealBlackStuff]

Those are correct numbers for a 15.4" widescreen T61/T61p, which your machine is.
42W7651 Merom CPU capable
42W7875 or 44C4238 Penryn capable
With Middleton's BIOS all are Penryn capable.

[yert33]

Thank you, RBS! So I assume I need to determine if I have a Merom or Penryn CPU?

Trey

[RealBlackStuff]

If you apply the Middleton BIOS (and you really should!), any of these CPUs will do.
But Penryn boards are preferable. They must have M's BIOS if you want to use a Merom on them.

T7100	Merom	1.80	2 MB
T7300	Merom	2.00	4 MB
T7500	Merom	2.20	4 MB
T7700	Merom	2.40	4 MB
T7800	Merom	2.60	4 MB
T8100	Penryn	2.10	3 MB
T8300	Penryn	2.40	3 MB
T9300	Penryn	2.50	6 MB
T9500	Penryn	2.60	6 MB
X9000	Penryn	2.80	6 MB

[yert33]

Thanks, RBS. I have a T9300. Found and bought a 42W7875. So we'll see!

...AND! I just noticed you mention Guinness as the Real black stuff... HA! My choice also!

Trey

[yert33]

Replacing system board worked. Yay! Thank you, RealBlackStuff! In celebration I had about 4 Guinness beers.

[RealBlackStuff]

Hah, that's nothing!
Last time I was in Kinsale (Ireland) with my brother-in-law, we visited all 43 pubs there in one day, and had a pint in each of them! Scout's honor!
Not to mention a fair number of G&T's in between...
FYI: I am no alcoholic and I only weigh 170 lbs.
I just LOVE my Guinness!

[taichi]

I'm not even a drinker, but while I was visiting Ireland (a beautiful country) I was offered a freshly brewed Guinness on an empty stomach. As a result I have no need to see Gravity in order to know what it is like to fly around in space.

Fresh Guinness is not just Stout, but something far more mysterious.

[RealBlackStuff]

I've never been to the Storehouse in Dublin, that's just for tourists!
There are plenty of pubs in the Temple Bar area to go to instead.
But I prefer local pubs on the Southside over touristy ones in the city center.
We also lived less than 10 minutes away from one of Ireland's best pubs: Johnnie Fox's.
Then again, Guinness is not everybody's taste.
Those who live in the southern part of Ireland probably prefer Murphy's, which is just as tasty, but a bit less heavy than Guinness.
Murphy's is my second favorite beer.
I have yet to try an American beer that doesn't taste like cat's piss...
I have no problems with the Mexican Dos Equis though, and funnily enough, my daughter has met with The Most Interesting Man in the World!