Vroc Upgrade Key Module - Lenovo ThinkStation P920 Hardware Maintenance Manual

Figure 168. Reinstalling the flex module cover
8. Install the flex module into the flex bay. See "Device in a flex bay" on page 109.
9. Refer to the recorded information about the cable connections and routing. Reconnect all cables
connected to the flex module to the system board. For the front Thunderbolt adapter kit, connect the
cables to the system board and the front Thunderbolt PCIe x4 card as follows:
• Connect the GPIO cable to the Thunderbolt control connector (
on the system board" on page 38.
• Connect the internal DP-to-DP cable to the DisplayPort connector on the front Thunderbolt PCIe x4
card.
• Connect the mini-SAS cable to the SAS connector on the front Thunderbolt PCIe x4 card.
• Connect the external DP-to-DP cable to the DisplayPort connector on the front Thunderbolt PCIe x4
card and the DisplayPort connector on the graphics card.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 210.

VROC upgrade key module

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Read this first: Important safety information" on page 1.
To remove or install a VROC upgrade key module, do the following:
1. Prepare your computer. See "Preparing your computer and removing the computer cover" on page 103.
2. Remove the direct cooling air baffle. See "Direct cooling air baffle" on page 107.
3. Lay the computer on its side for easier access to the heat-sink-and-fan assembly.
4. To access the VROC upgrade key module, remove the following parts:
• "Direct cooling air baffle" on page 107
• "Power supply assembly" on page 150
• "Front fan assembly" on page 137
• "M.2 solid-state drive holder" on page 140
• "PCIe card retainer" on page 155 (if necessary)
• "Super capacitor module" on page 170 (if necessary)
194
P920 Hardware Maintenance Manual
47 ) on the system board. See "Parts