Acer Ipimbar Rev 102a Manual Link -

The Acer IPIMB-AR Rev 1.02A motherboard is an OEM component primarily used in Gateway DX4870, Acer Aspire M3985, and Predator G3620 desktop systems. 

Storage: 2x SATA III (6.0 Gb/s) ports, 4x SATA II (3.0 Gb/s) ports. Form Factor: Micro-ATX. Information & Resource Links acer ipimbar rev 102a manual link

The Acer IPIMBAR REV 102A motherboard also boasts a range of innovative features, including: The Acer IPIMB-AR Rev 1

General Manual: A generic Acer user manual (not specifically for this motherboard, but for Acer systems) can be found at the official Acer website. Acer Aspire M3985

Intel Socket LGA 1155; supports Ivy Bridge and Sandy Bridge Core i3/i5/i7 (up to 95W).