Lenovo ThinkStation P520 Hardware Maintenance Manual page 197

d. Install the front Thunderbolt PCIe x4 card into a PCIe 3.0 x4 card slot on the system board. See
"PCIe card" on page 153 and "Parts on the system board" on page 42.
e. Connect the cables to the front Thunderbolt I/O adapter.
• Connect the power cable in the flex module to the 4-pin power connector
• Connect the GPIO cable to the connector
• Connect the internal DP-to-DP cable to the DisplayPort connector
• Connect the mini-SAS cable to the SAS connector
Figure 159. Front Thunderbolt adapter cable connection
f. Route the cables through the two holes in the rear of the flex module.
7. Position the flex module cover on the flex module. Ensure that the rail guides on the bottom of the cover
engage the rails on the flex module. Then, push the cover to the front of the flex module until it snaps
into position.
Figure 160. Reinstalling the flex module cover
8. Install the flex module into the flex bay. See "Device in the flex bay" on page 106.
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:
b .
a
b
a
c .
d .
c
d
.
Chapter 9 Hardware removal and installation
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