Enable PCIe bifurcation for Quadra T2A

Please note that the host has to support x4 PCIe bifurcation.

1. Boot into BIOS/CMOS

2. Set bifucation to use x4

Find bifucation setting in BIOS and set it to use x4 or x4x4x4x4.

Please note that bifucation settings might be named differently
with different BIOS

Example bifurcation setting:

3. Confirm bifurcation is set correctly.  You should see two units from the T2 card