What does it automatically deactivate? 06/14/2017 – by Mod_GuideK 0 If Linux detects an ACPI BIOS on bootup, what does it automatically deactivate? A. PnP B. PCI C. ATA D. APM SHOW ANSWERSCorrect Answer: D Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.