1 x PCI Express x16 Slot (Runs at PCIe 3.0 with Ivy Bridge CPUs), 3 x PCIe 2.0 x1 slots 2 x SATA III (6 Gb/s) ports, 4 x SATA II (3 Gb/s) ports Form Factor Micro-ATX (244 mm x 244 mm) Core Hardware Configuration & Diagrams
Useful for troubleshooting, BIOS updates, and user-shared documentation. acer ipimbar rev 102a manual link
Standard 1 x Front Panel header for your power button, reset button, and front-facing LED indicators. Acer IPIMB-AR Motherboard Specs | PDF - Scribd 1 x PCI Express x16 Slot (Runs at PCIe 3
Acer does not always host motherboard manuals separately on their consumer support site; they often bundle them inside the user guide for the specific desktop model (e.g., Aspire M3970). acer ipimbar rev 102a manual link