She whispered into the search bar: "PCI Express 4.0 specification pdf"

“Don’t thank me,” Leo said, walking away. “Just make sure your 16 GT/s link doesn’t blow up.” Back in her lab, Mira opened the file. It wasn't the pristine official PDF. It was a warped, low-contrast scan, complete with coffee stains and Leo’s handwritten note in the margin: “Vendor C’s equalization settings are wrong. Use these instead.”

She applied his fix. Re-ran the simulation.