The Acer IPIMB-AR (also known as the Rev 1.02a) is a specialized Micro-ATX motherboard frequently found in Acer Aspire and Gateway desktop systems, such as the Acer Aspire AM3985 or AT3985 series. Because this is an Original Equipment Manufacturer (OEM) board produced by Pegatron, a standalone retail manual can be difficult to find.
This is where most DIY builders get stuck. Acer, unlike standard motherboards that use a standard 2-row header block, often utilizes a specific layout. On the IPIMB-AR Rev 1.02A, the Front Panel Header is usually located on the bottom right edge. Acer Ipimb-ar Rev 1.02a Manual
I could not locate an official or user-facing manual specifically titled “Acer Ipimb-ar Rev 1.02a Manual” in Acer’s public support databases or general documentation archives. The Acer IPIMB-AR (also known as the Rev 1
Comprehensive Guide to the Acer IPIMB-AR Rev 1.02a Motherboard Acer IPIMB-AR Rev 1.02a No standalone user manual – Acer only provides
The motherboard features several internal headers essential for setup: Power: 24-pin ATX main power and 4-pin ATX 12V CPU power.
Storage: 2x SATA III (6Gb/s) and 4x SATA II (3Gb/s) connectors. Internal Headers & Connectors Power: 24-pin ATX Main Power and 4-pin ATX 12V CPU Power. Cooling: 1x 4-pin CPU Fan and 1x 3-pin System Rear Fan. I/O Headers: Front Panel header. Front Audio header. 2x USB internal headers. Clear CMOS jumper. Rear Panel Ports Video: 1x VGA, 1x HDMI. USB: 2x USB 3.0 (blue), 4x USB 2.0. Networking: 1x RJ45 LAN (Gigabit 10/100/1000 Mb/s). Legacy: 2x PS/2 ports (Keyboard purple, Mouse green). Audio: Audio I/O (Headphone/Microphone jacks). Maintenance Links
The IPIMB-AR is an Intel-based motherboard utilizing the LGA 1156 socket. This places it squarely in the era of the first-generation Core i3, i5, and i7 processors (Lynnfield and Clarkdale architectures).