Reset Switch button connection. Orientation does not matter. Pin 10: No Connection (NC). Pin 12: Key pin (missing pin for orientation). Memory Installation Guidelines
System Power LED. Pin 2 is Positive (+), Pin 4 is Negative (-).
Six SATA ports. The two SATA III ports are color-coded (usually yellow or black) to distinguish them from the four SATA II ports.
Acer no longer provides official Windows 10 drivers, but the manual lists compatibility up to Windows 7. Here is the modern driver sourcing guide: Acer Ipimb-ar Rev 1.02a Manual
While the exact contents may vary, a typical manual for a motherboard like the Acer Ipimb-ar Rev 1.02a includes:
Terminal for the power indicator status light. Pin 2 is Positive (+), Pin 4 is Negative (-).
Since obtaining the original PDF can be a challenge, below is a comprehensive substitute covering every section of the missing manual. Reset Switch button connection
I could not locate an official or user-facing manual specifically titled in Acer’s public support databases or general documentation archives.
9-pin standard configuration groupings supporting up to 4 auxiliary ports across expansion panels.
Use this guide as your living manual. Bookmark it. And if you eventually find the original PDF from an old hard drive or a backup CD, consider uploading it to the Internet Archive for the next person searching in vain. Pin 12: Key pin (missing pin for orientation)
: LGA 1155 (Supports Intel Core i7/i5/i3 Sandy Bridge and Ivy Bridge processors up to 95W). : 4 x 240-pin DDR3 DIMM slots; supports up to of DDR3 1333 MHz non-ECC, unbuffered memory. Expansion Slots
The 4 DIMM slots require standard sticks.
Connect the positive wire to Pin 1 and the negative wire to Pin 3 .
While a dedicated manual for the IPIMB-AR is difficult to find, you can locate manuals for other similar Acer motherboards that may share many of the same features. The general process for the following models is identical to what you would perform for the IPIMB-AR:
2 4 6 8 10 [•] [•] [•] [•] [ ] (Top Row) [•] [•] [•] [•] [•] (Bottom Row) 1 3 5 7 9