[SOLVED] Do Intel 9th Gen "F" processors have a disabled iGPU?

[ManOfArc]

I'm aware that manufacturers sometimes disable defective parts of a processor and then sell them as a sub-category CPU, so I was wondering if that is what Intel does with their "F" chips. Disable the iGPU and sell the processor as an ix-9xxxF, maybe?

 

[InvalidError]

Yes.

 

[NightHawkRMX]

Yes, Intel's -f or -kf skew CPUs have an igpu that has been disabled.

This is unlike AMD Ryzen (excluding -g skew) since Ryzen has no igpu at all.

 

[ManOfArc]

Yes, Intel's -f or -kf skew CPUs have an igpu that has been disabled.

This is unlike AMD Ryzen (excluding -g skew) since Ryzen has no igpu at all.

Thanks for that added info about AMD. I often wondered the same about those. But kinda thought that since the G series came later, the disabled iGPU situation wasn't as likely.

 

[ManOfArc]

Is there any "trick" to enable the iGPU to see if it is usable?

 

[InvalidError]

Is there any "trick" to enable the iGPU to see if it is usable?

No, features get disabled by lowing up fuses on the CPU die. Once turned off, they're gone for good.

 

[ManOfArc]

No, features get disabled by lowing up fuses on the CPU die. Once turned off, they're gone for good.

Ok. Makes sense from their perspective, I guess. Apparently AMD (OTOH) didn't do that back in the Phenom II days with their cores and caches tho, huh?
Btw, what does "lowing up fuses" mean?

 

[InvalidError]

Btw, what does "lowing up fuses" mean?

Exactly what it sounds like: the bits responsible for turning features off are one-time-programmable and are made like fuses where "programming" is done by passing enough current through the thin traces representing the bits to burn them out.

 

[ManOfArc]

Exactly what it sounds like: the bits responsible for turning features off are one-time-programmable and are made like fuses where "programming" is done by passing enough current through the thin traces representing the bits to burn them out.

Did you mean to type (B)lowing up fuses? I never heard the term lowing before.

 

[NightHawkRMX]

Sounds like that's what he meant.

In short, the IGPU is disabled and cannot be turned back on.

 

[InvalidError]

Did you mean to type (B)lowing up fuses? I never heard the term lowing before.

Never made a typo or missed a key before? Yes, blowing. That's what fuses do.

 

[ManOfArc]

Never made a typo or missed a key before? Yes, blowing. That's what fuses do.

Yes I have. Many times.