400 G4 DM Motherboard DA0F80MB6A0 — Compatible with L17654-001 / L17662-601 / L04566-001

Replacement mainboard for 400 G4 DM systems, model DA0F80MB6A0. Cross-referenced part numbers: L17654-001, L17662-601, L04566-001. This motherboard is intended as a direct-fit swap for units requiring one of the listed SKUs.