Solution
1. Purpose of the MXI‑Express BIOS Compatibility Driver
The MXI‑Express BIOS Compatibility Driver is designed to address situations where a PC BIOS cannot properly enumerate PXI/PXIe devices connected through MXI. It bypasses the BIOS PCIe resource allocation and instead enables software‑based resource assignment handled by MXI hardware and Windows. This ensures that systems with BIOS limitations can still boot and reliably detect all PXI/PXIe modules.
2. What happens if the driver is not installed?
If the PC correctly detects and operates the PXI/PXIe chassis without errors, the BIOS Compatibility Software should not be installed.
NI explicitly states that installing it unnecessarily may:
→ Increase system complexity
→ Introduce avoidable errors
In short, install it only when the BIOS fails to enumerate MXI‑connected devices.
3. Functions of the DIP switches on the PCIe‑8363
The PCIe‑8363 has three DIP switches, but only SW1 is functional. SW2 and SW3 have no assigned function and must remain in their default positions.