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hi, i mod the bios with success (thanks dudu2002).
the laptop was this
Acer V3-722G
V1.15 BIOS
Bios Type : InsydeH20 Rev.3.7
Intel i7-4702MQ
Geforce 850M GTX
now, i change the i7-4702mq with a i7-4800 mq
the first was a 37w tdp cpu, the new one is a 47w tdp.. and i have some problems.
this laptop use in other configuration 47w tdp cpu like 4700mq, then the upgrade is possible, and i installed this cpu and it work good, BUT.
there is a chance that the modified bios lock my tdp to 37w ? ( when bios was modded i have i7-4702mq) because my problem is that i cant go over 37-39w in package power and even in turbo mode.. XTU trottle my cpu with CURRENT /EDP LIMIT TROTTHLING, that for sure means that cpu dont receive enough power.. then after a bit of tuning and overvolt i reach a stable 3.4mhz average turbo.. (but this cpu can reach x41 4100mhz in turbo, and i have this speed while browsing and not stress cpu)
or this laptop cant go over 37w?
i install the new cpu with the modified bios, worth to come back to unmodded bios and see if something change on tdp or its a waste of time?
i know that this laptop is designed to work with a 37w tdp, but i want to know if this is bios limited and reflash bios to original and then re-mod bios can have some effects.
thanks