To prepare for an unprecedented NFL draft, the 49ers have leaned heavily on several key employees. Ever heard of Mike Bracken, Brad Clark and Jim Bartholomew?

“These guys,” general manager John Lynch said, “have been unbelievable.”

Those guys are members of the team’s IT department. And Lynch was praising them Monday afternoon from the guest house at his South Bay residence, which has been transformed into a “war room” in advance of the three-day NFL draft, which starts Thursday night.

On a Zoom video call, Lynch panned his room to show reporters a setup that resembled a Best Buy starter kit: at least seven video screens, a few folded-up laptops and three landline telephones.

From his desk, Lynch can look straight ahead, across the length of the room, at a super-sized flat screen that will have the 49ers’ draft broad. Near that flat screen is a LeRoy Neiman painting of Dwight Clark making The Catch, a gift from a good friend of Lynch’s.

Lynch said he thought the room, all white walls and black monitors, needed that 49ers touch.

“So it’s a lot of screens, but they’re not just wasted,” Lynch said. “They all serve a purpose and a function.”

NFL teams are used to drafting remotely. That is, team decision-makers annually make their picks from team facilities, not the league’s draft site.

This week, however, Lynch, head coach Kyle Shanahan, CEO Jed York, the rest of the front office, scouts, medical staff and others are working apart because of shelter-in-place orders during the coronavirus pandemic.

The 49ers held an internal dry run over the weekend. On Monday, the NFL held a league-wide test draft and, according to multiple reports, the Bengals, owners of the No. 1 pick, had a technical glitch to begin the proceedings.

Lynch, laughing, noted there were a few other issues, but he expressed confidence the real draft will run smoothly. The NFL’s head coaches and GMs had another test run Tuesday.

“It was kind of important stuff (Monday) where two teams were talking and the whole league was hearing it — that kind of stuff,” Lynch said. “I think everyone kind of tuned in when they tell you to mute your stuff, you should probably listen.

“I think they worked through some bugs, but the good news was I think the technology was working fine. It was just some procedural things that you can only learn by doing a mock, and that's why we did it.”

A few notes about Lynch’s setup:

One of his three landline phones is for trade talks with NFC teams, another is for communication with AFC teams, and the third is for internal and league discussions.

One of the laptops on his desk is dedicated to the team’s virtual draft room. Another laptop is for video chats with Shanahan. Lynch noted his office at the team facility is adjacent to the draft room, allowing Lynch and Shanahan to duck out for private conversations.

Lynch won’t be alone during the draft.

In case of a technical problem, one of the vital members of the IT department will be nearby.

“He’ll be holding my hand,” Lynch said, “from 6 feet away.”

Eric Branch covers the 49ers for The San Francisco Chronicle. Email: ebranch@sfchronicle.com Twitter: @Eric_Branch