Installation Procedure - ASROCK Z690 AQUA OC Manual

2.7 Connecting Graphics Card to DisplayPort Input
If you use a Thunderbolt™ Type-C monitor, make sure that you install the DisplayPort
Cables into both DPIN_1 and DPIN_2 on the motherboard's rear I/O panel.

Installation Procedure

Step 1: Connecting a Graphics Card to DPIN1
Connect one end of the DisplayPort Cable to the DisplayPort IN Port (A) on the
graphics card. Then connect the other end of the cable to the DisplayPort Port (B) on the
motherboard's rear I/O panel.
DisplayPort Cable
B
For USB Type C Monitor Connection:
Input
DPIN_1
32
A
Output
TB_1
TB_1
DPIN_1