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Reports suggest that Intel has removed the ability for users to bypass DLVR via BIOS in its latest 0x112 microcode, according to Materialluxx. DLVR technology on Intel Arrow Lake The processor line is said to improve efficiency, although you can opt out of this feature via a “DLVR bypass” setting in the BIOS in case you are overclocking (OC).

Technically, DLVR is not an Arrow Lake technology. It was also featured on Raptor Lake but merged for technical reasons. The DLVR is part of the processor chip used to regulate power in tandem with the motherboard’s voltage regulators, providing granular control over the voltage of each central performance and efficiency cluster.

As explained der8auerThe DLVR is useful in gaming loads where a 0.3V delta (between Vin and Vcore) results in a 20W power loss (20W = 0.3V x 67A). However, in production workloads where all cores are running at full capacity, a delta of 0.4 V quickly results in a power loss of more than 88 W (88 W = 0.4 V x 220 A). This is why some motherboards had an option (Power Gate) to bypass DLVR, ultimately providing Raptor Lake-like voltage control.

“This was done to prevent accidental misuse of the DLVR bypass, also known as Power Gate mode, by ensuring that it is only used in extreme overclocking scenarios with sub-ambient cooling such as liquid nitrogen.”

It appears that users can no longer disable DLVR using the Power Gate profile after installing the latest 0x112 microcode for Arrow Lake. For further clarification, Intel says this setting was removed to prevent “accidental misuse” of the feature. The company representative further states that DLVR is supposed to be bypassed only in exotic overclocking configurations – possibly via the LN2 profile on high-end cards – thus blocking the average consumer.

Intel may be trying to avoid another Raptor Lake fiasco, but many enthusiasts will argue that the decision should be left up to the end user, at least in the DIY realm. From what we can gather, this leaves early adopters of Arrow Lake at the mercy of their motherboards, as not every board has an extreme overclocking profile.