Once the card is under load, the processor is only clocked with 1.06 GHz – some forum users even report intrusions up to 230 MHz. Standard clock a Core i7 720QM under load: 1.6 GHz. Studio 17 with Core 2 Duo are excluded from the problem.
Knowledgeable owner of a Dell Studio 17 with Core i7 have the power in the suspected. The enclosed 90 watt power supply is to be weak, because when in battery mode, the throttle does not occur in force and the performance meets the expectations of the data sheet.
The manufacturer has responded. Some forum users have can be charged by Dell to send a 130-watt power supply. With the tool “ThrottleStop” – its name hints at the function – is the processor in the desired clock rate, kept ‘. And lo – reports of overheating and blown Core i7 Motherboards to make the rounds. Even without the use of the tool will beep to sevenfold the Dell Studio 17 is no longer accessible.
But why a motherboard, a CPU, respectively, by the fire? To our knowledge, processors respond with an emergency shutdown when a certain temperature is reached. With the latest Core i7, this is at 100 ° C. Perhaps the tool “Throttle Watch disables the forced shutdown?
Until tonight, we will reach an opinion on the issue of the Dell Studio 17 with Core i7.